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2007

SHIP POWER SYSTEMS

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Wrtsil offers the most effective solutions to all marine

power and propulsion needs, supported by being the

most responsive and efficient partner from first concepts

throughout the lifetime of the vessel.

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TABLE OF CONTENTS

THE SHIP POWER SUPPLIER ....................................... 4

AUTOMATION ................................................................ 6

LOW-SPEED ENGINES................................................ 18

MEDIUM-SPEED ENGINES......................................... 42

DUAL-FUEL ENGINES................................................. 51

PROPULSION PACKAGES........................................... 54

GENERATINGSETS..................................................... 58

ENGINE AUXILIARY SYSTEMS .................................... 68

PROPULSORS............................................................. 70

SEALS& BEARINGS.................................................... 97

ENVIRONMENTAL TECHNOLOGIES......................... 107

SERVICES.................................................................. 110

WRTSIL SHIP POWER WORLDWIDE.................... 112

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4

THE SHIP POWER SUPPLIER

Automation

Low-speed engines

Medium-speed engines

Generating sets

Auxiliary systems

Controllable pitch propellers

Fixed pitch propellers

Steerable thrusters

Transverse thrusters

Nozzles

Jets

Gears

Rudders

Seals

Bearings

Wrtsil is the leading supplier of ship machinery, propulsion and manoeuvring

solutions for all types of marine vessels and offshore applications. Our service

network takes complete care of customers ship machinery at every lifecycle

stage.

Our ship power solutions are based on technological expertise, close

customer co-operation and industry-leading innovations spanning the

complete range of marine power and propulsion needs. These solutions arecustomized to the specific ship design and operational requirements, ensuring

maximum efficiency, reliability and environmental performance over the entire

lifecycle of the installation.

SHIP POWER SYSTEMS OVERVIEW

Wrtsil offers a wide range of innovative and industry-leading products fromengines through the gearbox to the ships propeller and control systems.

With our comprehensive product portfolio and close customer support,

we offer unparalleled freedom to tailor a complete ship power solution or

more limited solutions from a single source supplier for any marine vessel or

offshore application.

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EAS/LOPExtended Alarm System/Local Operator Panels

Process Interfaceand Controllers

AUTOMATION

Power generationPropulsion

HVAC

Utilities

BallastPower distribution

Thrusters

Engines

CargoPower management

The complexity of the IAS reflects the type of vessel and the functionality

onboard. We offer a wide range of configurations for various needs.The IAS has an easy and standardized interface with other systems onboard.

Both shipowners and shipyards are ensured full lifecycle support from design,

installation and commissioning to operation throughout the lifespan of the vessel.

6

The Wrtsil Integrated Automation System (IAS) is a new-generation vessel

automation system based on distributed architecture and transparent

integration with the Wrtsil engine control and propulsion system. It alsocovers all third-party systems onboard.

Wrtsil offers scaleable systems from small Alarm and Monitoring System

(AMS) to advanced Integrated Automation System (IAS).

The IAS is easy to install and has a number of enhanced applications:

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Operatorworkstations

The Wrtsil Power Management System provides efficient control and

monitoring of the power plant and power consumption. Power management

covers the entire chain from the power generating units, switchgear, powerdistribution network and variable speed units to the power users.

The complexity of the power distribution control is built into the system in

such a way that the maximum efficiency performance will be achieved. Each

installation will therefore be configured individually.

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The Wrtsil Electric Propulsion System combines state-of-the-art technology

in every integrated component and has a unique system configuration to

maximize safety and efficiency.Wrtsil low loss concept is a patent pending solution developed to

enhance redundancy and to reduce number of components in the system.

The concept is flexible and can be designed to fit any configuration of

power generation units and propulsion units as well as other electric power

consumers onboard.

In addition to tailor made solutions the low loss concept is available in fivestandardized systems: Wrtsil low loss concept 1500, 2700, 3800, 5000 and

10,000 indicating the maximum power of each of the two main propellers.

For vessels with large power generation and power consumption a high

voltage system is available. The system can be combined with Wrtsils Variable

Speed Drives powering up to 10 MW propulsion units.

The system can be combined with any configuration of power generationunits and can be tailor made to meet specific requirements for a flexible power

distribution in a variety of different applications.

A combination of a high voltage system for power generation and a low

voltage system for power distribution to the ship consumers and to special

purposes will enhance the flexibility and increase the operability of the vessel.

Wrtsil 8L32

Generator

Switchboard

LLC-unitVSDVSD = VariableSpeed Drive

Transversethruster

Tunnelthruster

Main propulsion thruster Forwardazimuththruster

Steerablethruster

VSDV

SD

VSD

LLC-unit

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WRTSIL UNIFIED CONTROLSUnique in many aspects, the Wrtsil Unified Controls, UNIC introduces the

flexible and fully scalable control system for large reciprocating diesel and gas

engines.

HIGH RELIABILITY AND EFFICIENT DESIGNThe UNIC system is designed to fulfil the long lifetime expectations for large

marine diesel and gas engines operating in the toughest of conditions. The

system is based on a high degree of commonalities and standard interfaces,covering different engine sizes and fuel systems in a modular way. Modular

and standardized interface provides the designer of the off-engine automation

systems with easily reusable design. It allows conversion of e.g. diesel engines

to dual fuel or common rail with a minimum of modifications. Due to the

pre-tested configuration, the engine or generating set is operational with a

minimum of commissioning and installation work.The critical parts of the UNIC system are either redundant or very fault-

tolerant to guarantee high safety and availability in all circumstances. In

particular, parts like the communication and power supply are fully redundant

to allow single failures without interruptions in engine operation.

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COST-EFFICIENT AND FLEXIBLEWith a flexible and scalable design, the number of components needed is

minimized, allowing low-cost logistics and less spare-part inventory even

for different types and sizes of engines. Thanks to the electronic control, the

engine can be adapted to different operating conditions.The UNIC C2 and C3 designs follow common industry standards for

fieldbus communication. Through the fieldbus interface, the UNIC system

can be accessed from off-engine automation and HMI systems as well as

from remote service centres. The UNIC system is optimized for the Wrtsil

Condition Based Maintenance system (CBM).

UNBEATEN PERFORMANCEWith unmatched power, the UNIC system provides an unbeaten performance

for engine control. Modern control gives high engine output, low emissions,

high efficiency as well as steady and fast load acceptance.

The electronic fuel injection on UNIC C3 systems allows pre-post and split

injection. Together with the possibility to use multiple maps, the advanced

system drives clean and efficient engines with electronic fuel injectionsystems. A key feature in the UNIC system is a common advanced speed/load

control with digital load-sharing and embedded diagnostics. The speed/

load control incorporates timing control where supported by fuel injection

equipment, and advanced diagnostics to track the control performance and to

detect possible problems. Accurate digital load sharing is used for isochronous

applications. Advanced signal processing allows e.g. knock detection, cylinder

pressure measurements and other diagnostic functions to be carried out in

real time.

UNIC SYSTEM COMPONENTS

ESM Engine Safety Module

MCM Main Control Module

IOM Input Output Module

CCM Cylinder Control Module

PDM Power Distribution Module

LCP Local Control Panel

LDU Local Display Unit

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1 Electronic speed control by MCM if engine equipped with actuator, otherwise by mechanical governor

2 Optional, will use MCM asstart/stop controller

UNIC C1In the UNIC C1 engine automation, the fundamental parts of the engine

control and safety are handled by the embedded control and management

system. This includes e.g. engine speed and load control as well as overspeed

protection, lube oil pressure and cooling water temperature protection. To

other parts, the design expects the majority of the sensors to be hardwired to

an external alarm and monitoring system.

The functionality provided by the UNIC C1 system is:

Fundamental safety (overspeed, LO pressure, cooling water temp)

Basic local monitoringHardwired interface to external alarm and monitoring systems

Speed and load control1

Start/stop management2

UNIC C2

The UNIC C2 engine automation system provides a complete embedded enginecontrol and monitoring system. The UNIC C2 system is a distributed and bus

based system where the monitoring and control function is placed close to the

point of measurement and control.

The functionality provided by the UNIC C2 system is:

Complete engine safety system

Complete local monitoring, including all readings, events and diagnostics

LCP

ESM

MCM

PDM

Hardwired

connections

Hardwired

connections

Loadsh.

CAN

UNICC

1

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LDU

LCP

ESM

MCM

CCM CCM

IOM

PDM

Ethernet

Hardwired

connections

Loadsh.

CAN

3 Electronic speed control by MCM if engine equipped with actuator, otherwise by mechanical governor

Speed and load control3

Alarm signal provision

Complete engine control, including

start/stop, load reduction request etc

Full system diagnostics

Fieldbus interface

UNIC C3The UNIC C3 engine automation system provides a complete embedded

management system, integrated with an engine control system for

electronically controlled fuel injection.

The system meets even the highest requirements on reliability, with

selective redundancy and fault tolerant designs, and can be applied for single

main engine operation.

LDU

LCP

ESM

MCM

IOM

IOM

PDM

Ethernet

Hardwired

connections

Loadsh.

CAN

UNICC

2

UNIC

C3

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LIPSTRONIC 7000OPTIMISED CONTROL OF THE PROPULSION MACHINERYThe Lipstronic 7000 propulsion control system is computer based, designed to

monitor and control all components in a modern propulsion system with highaccuracy, tailored to the individual applications.

REMOTE CONTROL FOR CONTROLLABLE PITCH PROPELLERSLipstronic 7000 propulsion control system is designed to optimise the control

of any propulsion machinery. The system exists in two versions, the basic and

the advanced.

The Lipstronic 7000 basic is a cost effective standardised system to meetmost of the demands in the market for propulsion control. This system is

applicable for single engine configurations (including twin screw).

The Lipstronic 7000 advanced introduces a modular designed system with

communication on a two-wire field bus. This gives high flexibility and multi

functionality. This system is applicable to as well for single as for twin engines

configurations.Both systems are based on Programmable Logic Control (PLC) technology

with high accuracy and tailored to the individual applications. The system

controls the propeller pitch position and engine speed either combined or in

split modes. Included is a propeller- and engine load control system developed

on the basis of research and experience over many years. A large amount of

special functions to optimise ship operations are available.

A user-friendly operator panel is delivered. This gives information of the

propulsion plant and is used for calibration of the system. Up to 31 extra

panels can be supplied as options.

Main bridge panel for Lipstronic 7000 CPP control.

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SPECIAL FUNCTIONS AS:Pitch reduction zone reduces propeller wear

Fuel measurement program

Windmilling prevention

PTI/PTO functionsMultiple combinator modes

Frequency variation mode

Cruise control

Fine tuning pitch

Electric shaft levers

Engine start/stop and safety system

(Some functions not available in the Basic)

REMOTE CONTROL FOR JETS:These systems are similar to the one used for controllable pitch propellers,

except an integrated joystick system which is an option for catamarans and

monohulls. For monohulls, in case of joystick control, also a bow thruster is

required.The joystick is a single lever manoeuvring enhancing system.

REMOTE CONTROL FOR AZIMUTHING THRUSTERS:For vessels such as harbour tugs an integrated control concept similar as for

jets is available.

For large off-shore platforms, individual controls for propulsion and

steering are available. This includes standardised interfaces with third party

DP-systems.

Main bridge panel

for the Lipstronic 7000waterjet control system.

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LIPS-STICKCO-ORDINATING CONTROL SYSTEM:The Lips-stick concept is a co-ordinating control system for offshore supply

vessels, cable-layers and other ships which require manoeuvring enhancing

systems.

For vessels equipped with podded propulsors a dedicated Lips-stick isavailable, including features such as a simplex DP-mode and anchoring mode.

CONTROLSCost effective universal controls for any

propulsion system

Robust design with type approvalJoystick available for small and large

vessels

Field bus application available

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VARIABLE SPEED DRIVE

The Variable Speed Drive is specially designed for lifetime operation in

maritime environment. It is the worlds most compact low voltage (690 volt)

water cooled variable speed drive with excellent performance in control ofpropulsion motors, pump applications and drilling operations.

VARIABLE SPEED DRIVE

Power (kW) Length (mm) Depth (mm) Height (mm) Weight (kg)

880 900 1000 2051 650

1500 900 1000 2051 800

2700 1500 1000 2051 1300

3800 2100 1000 2051 2100

5000 2700 1000 2051 2400

1717

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LOW-SPEED ENGINES

WRTSIL RTA-SERIES ENGINESWrtsil RTA-series engines are traditional low-speed diesel engines with

mechanically-driven camshaft, double-valve controlled fuel injection pumps,exhaust valve actuator pumps and reversing servomotors.

WRTSIL RT-FLEX ENGINESWrtsil RT-flex engines are based on the RTA-series but have electronically-

controlled common-rail systems for fuel injection and valve actuation.

RTA48T-B

RTA52U

RT-flex58T-B, RTA58T-B

RTA62U-B

RT-flex68-D, RTA68-D

RTA72U-B

RT-flex84T-D, RTA84T-D

RT-flex82T, RTA82T

RT-flex82C, RTA82C

RT-flex96C, RTA96C

MW

UEC37LSII

UEC43LSII

UEC45LSE

2

UEC50LSE

RT-flex50-B, RTA50-B

UEC60LSE

RT-flex60C-B

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As well as the proven benefits of the RTA engines, the RT-flex engines have

the additional benefits of:

Smokeless operation at all running speedsBetter fuel economy in the part-load range

Reduced maintenance requirements, with simpler engine setting and

extendable times between overhauls

Lower steady running speeds.

MITSUBISHI UEC ENGINESMitsubishi UEC engines are traditional low-speed two-stroke diesel engineswith mechanically-driven camshaft, jerk type fuel injection pumps, exhaust

valve actuator pumps and reversing.

6 15 20 30 40 60 8010

Speed rpmPOWER RANGE FOR LOW-SPEED ENGINES

102127

99124

108135

84105

91114

92115

7695

7999

6176

6880

87102

92102

Wrtsil RT-flex

3 4

140186

120 160

111 130

99 124

90 105

8

Wrtsil RTA

Mitsubishi UE

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Rated power: Propulsion engines

Cyl.

Output in kW/bhp at

186 rpm 140 rpm

P1 P2 P3 P4

kW bhp

kW bhp

kW bhp

kW bhp

5

6

7

8

3 860

4 635

5 405

6 180

5 250

6 300

7 350

8 400

2 795

3 355

3 910

4 470

3 800

4 560

5 320

6 080

2 905

3 485

4 065

4 650

3 950

4 740

5 530

6 320

2 095

2 515

2 935

3 355

2 850

3 420

3 990

4 560

Brake specific fuel consumption (BSFC)

g/kWh g/bhph g/ kWh g/bhph g/ kWh g/bhph g/ kWh g/bhph

Load 100% 175 129 169 123 175 129 169 124

BMEP, bar 18.0 13.0 18.0 12.9

Principal engine dimensions (mm) and weights (tonnes)

Cyl. A B C D E F G I K Weight

5

6

7

8

3 888

4 538

5 188

5 838

2 255

2 255

2 255

2 255

650

650

650

650

5 062

5 062

5 062

5 062

1 950

1 950

1 950

1 950

6 170

6 170

6 170

6 170

1 120

1 120

1 120

1 120

355

355

355

355

83

96

110

124

For definitions, including the basisfor fuel consumption of UE engines, see page 39.

Main data:

Cylinder bore .................................. 370 mmPiston stroke.................................1290 mmS

peed ...................................140 186 rpmMean effective pressure at P1 ........18.0 barPiston speed....................................8.0 m/s

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Cyl.

Output in kW/bhp at

160 rpm 120 rpm

P1 P2 P3 P4

kW bhp

kW bhp

kW bhp

kW bhp

4

5

6

7

8

4 200

5 250

6 300

7 350

8 400

5 720

7 150

8 580

10 010

11 440

3 040

3 800

4 560

5 320

6 080

4 130

5 170

6 200

7 230

8 270

3 160

3 950

4 740

5 530

6 320

4 290

5 360

6 440

7 510

8 580

2 280

2 850

3 420

3 990

4 560

3 100

3 870

4 650

5 420

6 200



Load 100% 173 127 166 122 173 127 166 122

BMEP, bar 18.1 13.1 18.1 13.1



4

56

7

8

3 738

4 4945 250

6 006

6 762

2 520

2 5202 520

2 520

2 520

690

690690

690

690

5 827

5 8275 827

5 827

5 827

2 135

2 1352 135

2 135

2 135

7 100

7 1007 100

7 100

7 100

1 287

1 2871 287

1 287

1 287

352

352352

352

352

104

124144

164

187


Main data:



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Cyl.

Output in kW/bhp at

130 rpm 111 rpm

P1 P2 P3 P4

kW bhp

kW bhp

kW bhp

kW bhp

5

6

7

8

6 225

7 470

8 715

9 960

8 450

10 140

11 830

13 520

4 975

5 970

6 965

7 960

6 750

8 100

9 450

10 800

5 300

6 360

7 420

8 480

7 200

8 640

10 080

11 520

4 250

5 100

5 950

6 800

5 750

6 900

8 050

9 200



Load 100% 169 124 164 121 169 124 164 121

BMEP, bar 19.6 15.7 19.6 15.7



5

6

7

8

4 747

5 539

6 331

7 123

3 000

3 000

3 000

3 000

1 000

1 000

1 000

1 000

6 900

6 900

6 900

6 900

3 070

3 070

3 280

3 280

8 600

8 600

8 600

8 600

1 560

1 560

1 560

1 560

428

428

428

428

355

355

355

355

168

195

222

252


Main data:



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Main data: Version B

Cylinder bore .................................. 480 mmPiston stroke.................................2000 mmSpeed ................................... 102 - 127 rpmMean effective pressure at R1 ........19.0 barPiston speed....................................8.5 m/s

Fuels

pecification:Fuel oil ....................................730 cSt/50C7200 sR1/100F

ISO 8217, category ISO-F-RMK 55


Cyl.

Output in kW/bhp at

127 rpm 102 rpm

R1 R2 R3 R4kW bhp kW bhp kW bhp kW bhp

5

6

7

8

7 275

8 730

10 185

11 640

9 900

11 880

13 860

15 840

5 100

6 120

7 140

8 160

6 925

8 310

9 695

11 080

5 825

6 990

8 155

9 320

7 925

9 510

11 095

12 680

5 100

6 120

7 140

8 160

6 925

8 310

9 695

11 080

Brake specific fuel consumption (BSFC)g/kWh g/bhph g/ kWh g/bhph g/ kWh g/bhph g/ kWh g/bhph

Load 100% 171 126 163 120 171 126 167 123

BMEP, bar 19.0 13.3 18.9 16.6


Cyl. A B C D E F* G I K Weight

5

6

7

8

4 966

5 800

6 634

7 468

3 170

3 170

3 170

3 170

1 085

1 085

1 085

1 085

7 334

7 334

7 334

7 334

3 253

3 253

3 253

3 253

9 030

9 030

9 030

9 030

1 700

1 700

1 700

1 700

603

603

603

603

348

348

348

348

171

205

225

250

* Standard piston dismantling height, can be reduced with tilted piston withdrawal.

For definitionssee page 39.

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Cylinder bore .................................. 500 mmPiston stroke.................................2050 mmSpeed ..................................... 99 - 124 rpmMean effective pressure at R1 ........20.0 barPiston speed....................................8.5 m/s

Fuels




Cyl.

Output in kW/bhp at

124 rpm 99 rpm


5

6

7

8

8 300

9 960

11 620

13 280

11 300

13 560

15 820

18 080

5 800

6 960

8 120

9 280

7 900

9 480

11 060

12 640

6 650

7 980

9 310

10 640

9 050

10 860

12 670

14 480

5 800

6 960

8 120

9 280

7 900

9 480

11 060

12 640



Load 100% 171 126 165 121 171 126 167 123

BMEP, bar 20.0 13.9 20.0 17.5



5

6

7

8

5227

6107

6987

7867

3 150

3 150

3 150

3 150

1 088

1 088

1 088

1 088

7 646

7 646

7 646

7 646

3 300

3 300

3 300

3 300

9 270

9 270

9 270

9 270

1636

1636

1636

1636

631

631

631

631

355

355

355

355

200

225

255

280


All the above data apply to both RTA50 and RT-flex50 versions. However, there may be differencesin weightsfor the RT-flex50.

Wrtsil RT-flex enginesare also available with part-load optimisation for lower fuel consumptions.


CG

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Cyl.

Output in kW/bhp at

124 rpm 99 rpm

P1 P2 P3 P4

kW bhp

kW bhp

kW bhp

kW bhp

5

6

7

8

8 300

9 960

11 620

13 280

11 275

13 530

15 785

18 040

6 650

7 980

9 310

10 640

9 050

10 860

12 670

14 480

6 650

7 980

9 310

10 640

9 050

10 860

12 670

14 480

5 300

6 360

7 420

8 480

7 200

8 640

10 080

11 520



Load 100% 171 126 166 122 171 126 166 122

BMEP, bar 20.0 16.0 20.0 16.0



5

6

7

8

5 185

6 065

6 945

7 825

3 150

3 150

3 150

3 150

1 088

1 088

1 088

1 088

7 750

7 750

7 750

7 750

3 395

3 455

3 490

3 490

9 250

9 250

9 250

9 250

1 636

1 636

1 636

1 636

739

739

739

739

365

365

365

365

186

217

248

279


Main data:


peed .....................................99 124 rpmMean effective pressure at P1 ........20.0 barPiston speed....................................8.5 m/s

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Main data

Cylinder bore .................................. 520 mmPiston stroke.................................1800 mmSpeed ................................... 108 - 135 rpmMean effective pressure at R1 ........18.1 barPiston speed....................................8.1 m/s

Fuels




Cyl.

Output in kW/bhp at

135 rpm 108 rpm


5

6

7

8

7 800

9 360

10 920

12 480

10 600

12 720

14 840

16 960

5 450

6 540

7 630

8 720

7 400

8 880

10 360

11 840

6 250

7 500

8 750

10 000

8 500

10 200

11 900

13 600

5 450

6 540

7 630

8 720

7 400

8 880

10 360

11 840



Load 100% 174 128 166 122 173 128 169 124

BMEP, bar 18.1 12.7 18.1 15.8



5

6

7

8

5 605

6 525

7 445

8 365

3 030

3 030

3 030

3 030

1 150

1 150

1 150

1 150

7 480

7 480

7 480

7 480

3 540

3 540

3 540

3 540

8 745

8 745

8 745

8 745

1 595

1 595

1 595

1 595

570

570

570

570

480

480

480

480

210

240

270

300



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Fuels




Cyl.

Output in kW/bhp at

105 rpm 84 rpm


5

6

7

8

10 900

13 080

15 260

17 440

14 825

17 790

20 755

23 720

7 650

9 180

10 710

12 240

10 400

12 480

14 560

16 640

8 700

10 440

12 180

13 920

11 850

14 220

16 590

18 960

7 650

9 180

10 710

12 240

10 400

12 480

14 560

16 640



Load 100% 170 125 162 119 170 125 166 122

BMEP, bar 19.5 13.7 19.5 17.1



5

6

7

8

5 981

6 987

7 993

8 999

3 820

3 820

3 820

3 820

1 300

1 300

1 300

1 300

8 810

8 810

8 810

8 810

3 475

3 475

3 475

3 475

10 880

10 880

10 880

10 880

2 000

2 000

2 000

2 000

604

604

604

604

400

400

400

400

281

322

377

418


All the above data apply to both RTA58T-B and RT-flex58T-B versions. However, there may be differencesinweightsfor the RT-flex58T-B engines.



Wrtsil RT-flex58T Wrtsil RTA58T

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Fuels




Cyl.

Output in kW/bhp at

114 rpm 91 rpm


5

6

7

8

9

12 100

14 520

16 940

19 360

21 780

16 450

19 740

23 030

26 320

29 610

8 450

10 140

11 830

13 520

15 210

11 500

13 800

16 100

18 400

20 700

9 650

11 580

13 510

15 440

17 370

13 125

15 750

18 375

21 000

23 625

8 450

10 140

11 830

13 520

15 210

11 500

13 800

16 100

18 400

20 700



Load 100% 170 125 164 120 170 125 166 122

BMEP, bar 20.0 14.0 20.0 17.5



5

67

8

9

6 213

7 253 8 293

9 333

10 373

3 700

3 7003 700

3 700

3 700

1 300

1 3001 300

1 300

1 300

8 570

8 5708 570

8 570

8 570

3 660

3 6603 660

3 660

3 660

10 350

10 35010 350

10 350

10 350

1 955

1 9551 955

1 955

1 955

573

573573

573

573

425

425425

425

425

268

322377

428

480




Wrtsil RT-flex60C

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Cyl.

Output in kW/bhp at

105 rpm 90 rpm

P1 P2 P3 P4kW bhp kW bhp kW bhp kW bhp

5

6

7

8

11 275

13 530

15 785

18 040

15 325

18 390

21 455

24 520

9 025

10 830

12 635

14 440

12 250

14 700

17 150

19 600

9 575

11 490

13 405

15 320

13 025

15 630

18 235

20 840

7 650

9 180

10 710

12 240

10 425

12 510

14 595

16 680


Load 100% 166 122 160 118 166 122 160 118

BMEP, bar 19.0 15.2 18.8 15.0



5

6

7

8

6 334

7 420

8 506

9 592

3 770

3 770

3 770

3 770

1 300

1 300

1 300

1 300

8 673

8 673

8 673

8 673

3 583

3 583

3 650

3 650

10 700

10 700

10 700

10 700

1 964

1 964

1 964

1 964

800

800

800

800

446

446

446

446

305

355

405

454


Main data:

Cylinder bore .................................. 600 mm

Piston stroke.................................2400 mmSpeed ......................................90 105rpmMean effective pressure at P1 ........19.0 barPiston speed....................................8.4 m/s

AK BI

F

E

C G

D

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Fuels




Cyl.

Output in kW/bhp at

115 rpm 92 rpm


5

6

7

8

11 425

13 710

15 995

18 280

15 550

18 660

21 770

24 880

8 000

9 600

11 200

12 800

10 875

13 050

15 225

17 400

9 150

10 980

12 810

14 640

12 450

14 940

17 430

19 920

8 000

9 600

11 200

12 800

10 875

13 050

15 225

17 400



Load 100% 173 127 167 123 173 127 169 124

BMEP, bar 18.4 12.9 18.4 16.1



5

6

7

8

6 457

7 557

8 657

9 757

3 560

3 560

3 560

3 560

1 350

1 350

1 350

1 350

8 750

8 750

8 750

8 750

3 520

3 520

3 520

3 520

10 300

10 300

10 300

10 300

1 880

1 880

1 880

1 880

615

615

615

615

383

383

383

383

320

370

420

470



Wrtsil RTA62U

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Main data: Version D

Cylinder bore .................................. 680 mmPiston stroke.................................2720 mmSpeed ....................................... 76 - 95 rpmMean effective pressure at R1 ........20.0 barPiston speed....................................8.6 m/s

Fuels




Cyl.

Output in kW/bhp at

95 rpm 76 rpm


5

6

7

8

15 650

18 780

21 910

25 040

21 275

25 530

29 785

34 040

10 950

13 140

15 330

17 520

14 900

17 880

20 860

23 840

12 500

15 000

17 500

20 000

17 000

20 400

23 800

27 200

10 950

13 140

15 330

17 520

14 900

17 880

20 860

23 840



Load 100% 169 124 161 118 169 124 165 121

BMEP, bar 20.0 14.0 20.0 17.5



5

6

7

8

6 985

8 165

9 345

10 525

4 300

4 300

4 300

4 300

1 520

1 520

1 520

1 520

10 400

10 400

10 400

10 400

3 698

3 698

3 698

3 698

12 545

12 545

12 545

12 545

2 340

2 340

2 340

2 340

715

715

715

715

525

525

525

525

412

472

533

593


All the above data apply to both RTA68-D and RT-flex68-D versions. However, there may be differencesinweightsfor the RT-flex68-D.



Wrtsil RT-flex68 Wrtsil RTA68

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32



Fuels

pecification:Fuel oil ..................................... 730 cSt/50C7200 sR1/100F



Cyl.

Output in kW/bhp at

99 rpm 79 rpm

R1 R2 R3 R4

kW bhp kW bhp kW bhp kW bhp

5

6

7

8

15 400

18 480

21 560

24 640

20 950

25 140

29 330

33 520

10 775

12 930

15 085

17 240

14 650

17 580

20 510

23 440

12 300

14 760

17 220

19 680

16 725

20 070

23 415

26 760

10 775

12 930

15 085

17 240

14 650

17 580

20 510

23 440


Load 100% 171 126 165 121 171 126 167 123

BMEP, bar 18.3 12.8 18.4 16.1



56

7

8

7 505 8 795

10 085

11 375

4 0704 070

4 070

4 070

1 5701 570

1 570

1 570

10 19510 195

10 195

10 195

3 8433 843

3 843

3 843

11 87511 875

11 875

11 875

2 1552 155

2 155

2 155

715715

715

715

475475

475

475

485565

640

715



Wrtsil RTA72U

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CG

D

E

F

AK BI

Main data

Cylinder bore .................................. 820 mmPiston stroke.................................2646 mmSpeed .......................................87102 rpmMean effective pressureat R1/R1+ ...............................20.0/19.0 barPiston speed at R1/R1+ ............8.6/9.0 m/s

Fuels

pecification:Fuel oil ....................................730 cSt/50C 7200 sR1/100F

ISO 8217, category ISO-F RMK 55


Cyl.

Output in kW/bhp at

102 rpm 87 rpm

R1+ R2+ R3 R4


6789101112

27 12031 64036 16040 68045 20049 72054 240

36 90043 05049 20055 35061 50067 65073 800

21 72025 34028 96032 58036 20039 82043 440

29 52034 44039 36044 28049 20054 12059 040

24 30028 35032 40036 45040 50044 55048 600

33 06038 57044 08049 59055 10060 61066 120

21 72025 34028 96032 58036 20039 82043 440

29 52034 44039 36044 28049 20054 12059 040



Load 100% 169 124 165 121 171 126 167 123

BMEP, bar 19.0 15.2 20.0 17.9


Cyl. A B C D F* G I K Weight

6

789101112

10 415

11 92014 42515 93017 43518 94020 445

4 550

4 5504 5504 5504 5504 5504 550

1 640

1 6401 6401 6401 6401 6401 640

11 170

11 17011 17011 17011 17011 17011 170

13 100

13 10013 10013 10013 10013 10013 100

2 260

2 2602 2602 2602 2602 2602 260

850

850850850850850850

765

765765765765765765

800

9101 0301 1301 2301 3401 440


All the above data apply to both RT-flex-82C and RTA82C versions. However, there may be differencesinweightsfor the two versions.



Wrtsil RT-flex82C Wrtsil RTA82C

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Main data

Cylinder bore .................................. 820 mmPiston stroke.................................3375 mmSpeed .........................................6880 rpmMean effective pressureat R1/R1+ ...............................20.0/19.0 barPiston speed at R1/R1+ ............8.6/9.0 m/s

Fuels

pecification:Fuel oil ....................................730 cSt/50C 7200 sR1/100F



Cyl.

Output in kW/bhp at

80 rpm 68 rpm

R1+ R2+ R3 R4


6

7

8

9

27 120

31 640

36 160

40 680

36 900

43 050

49 200

55 350

21 720

25 340

28 960

32 580

29 520

34 440

39 360

44 280

24 300

28 350

32 400

36 450

33 060

38 570

44 080

49 590

21 720

25 340

28 960

32 580

29 520

34 440

39 360

44 280



Load 100% 165 121 162 119 167 123 164 120

BMEP, bar 19.0 15.2 20.0 17.9


Cyl. A B C D F* G I K Weight

67

8

9

10 41511 920

14 425

15 930

5 2005 200

5 200

5 200

1 8901 890

1 890

1 890

12 65012 650

12 650

12 650

15 43015 430

15 430

15 430

2 6452 645

2 645

2 645

850850

850

850

765765

765

765

840 950

1 070

1 180


All the above data apply to both RT-flex-82T and RTA82T versions. However, there may be differencesinweightsfor the two versions.



CG

D

E

F

AK BI


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Main data: Version D


Fuels

pecification:Fuel oil ..................................... 730 cSt/50C7200 sR1/100F



Cyl.

Output in kW/bhp at

76 rpm 61 rpm


5

6

7

8

9

21 000

25 200

29 400

33 600

37 800

28 575

34 290

40 005

45 720

51 435

14 700

17 640

20 580

23 520

26 460

20 000

24 000

28 000

32 000

36 000

16 850

20 220

23 590

26 960

30 330

22 900

27 480

32 060

36 640

41 220

14 700

17 640

20 580

23 520

26 460

20 000

24 000

28 000

32 000

36 000



Load 100% 167 123 160 118 167 123 164 121

BMEP, bar 19.0 13.3 19.0 16.6



5

67

8

9

8 890

10 39011 890

14 390

15 890

5 000

5 0005 000

5 000

5 000

1 800

1 8001 800

1 800

1 800

11 933

11 93311 933

11 933

11 933

5 216

5 1005 100

5 216

5 216

14 500

14 50014 500

14 500

14 500

2 700

2 7002 700

2 700

2 700

760

760760

760

760

805

805805

805

805

740

870 990

1 140

1 260

* Standard piston dismantling height, can be reduced with tilted piston withdrawal. The RTA84T-B isavailableat lower power outputsthan the version D above, and complieswith the IMO NOXregulation.All the above data apply to both RTA84T-D and RT-flex84T-D versions. However, there may be differencesinweightsfor the RT-flex84T-D.Wrtsil RT-flex enginesare also available with part-load optimisation for lower fuel consumptions.



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Main data


Fuels




Cyl.

Output in kW/bhp at

102 rpm 92 rpm

R1 R2 R3 R4


67891011121314

34 32040 04045 76051 48057 20062 92068 64074 36080 080

46 680 54 460 62 240 70 020 77 800 85 580 93 360101 140108 920

24 00028 00032 00036 00040 00044 00048 00052 00056 000

32 64038 08043 52048 96054 40059 84065 28070 72076 160

30 96036 12041 28046 44051 60056 76061 92067 08072 240

42 12049 14056 16063 18070 20077 22084 24091 26098 280

24 00028 00032 00036 00040 00044 00048 00052 00056 000

32 64038 08043 52048 96054 40059 84065 28070 72076 160



Load 100% 171 126 163 120 171 126 164 121

BMEP, bar 18.6 13.0 18.6 14.4



67891011121314

11 56413 24415 83417 51419 19420 87422 55424 23425 914

4 4804 4804 4804 4804 4804 4804 4804 4804 480

1 8001 8001 8001 8001 8001 8001 8001 8001 800

10 92510 92510 92510 92510 92510 92510 92510 92510 925

5 3805 3805 3805 3805 3805 3805 3805 3805 380

12 95012 95012 95012 95012 95012 95012 95012 95012 950

2 5942 5942 5942 5942 5942 5942 5942 5942 594

723723723723723723723723723

676676676676676676676676676

1 1601 2901 4701 6201 7601 9102 0502 1602 300

* Standard piston dismantling height, can be reduced with tilted piston withdrawal.13- and 14-cylinder enginesare only available in RT-flex versions, and not RTA versions.All the above data apply to both RTA96C and RT-flex96C versions. However, there may be differencesinweightsfor the RT-flex96C.Wrtsil RT-flex enginesare also available with part-load optimisation for lower fuel consumptions.


36

Wrtsil RT-flex96C Wrtsil RTA96C

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Main data RTA84C

Cylinder bore 840 mm

Piston stroke 2 400 mm

Mean effective pressure, R1 17.9 bar

Piston speed 8.2 m/ s

Speed at R1 102 rpm

Power at R1

Cylinders kW bhp

6 24 300 33 060

7 28 350 38 570

8 32 400 44 080

9 36 450 49 590

10 40 500 55 100

11 44 550 60 160

12 48 600 66 120

BSFC at R1 g/ kWh g/bhp

Load 100% 171 126

Main data RT-flex68-B / RTA68-B





Speed at R1 95 rpm

Power at R1

Cylinders kW bhp

5 15 350 20 875

6 18 420 25 050

7 21 490 29 225

8 24 560 33 400


Load 100% 169 124

Main data RTA84T-B





Speed at R1 74 rpm

Power at R1

Cylinders kW bhp

5 19 400 26 400

6 23 280 31 680

7 27 160 36 960

8 31 040 42 240

9 34 920 47 520

BSFC at R1 g/ kWh g/bhph

Load 100% 168 123

Main data RTA72U





Speed at R1 97 rpm

Power at R1

Cylinders kW bhp

5 14 950 20 350

6 17 940 24 420

7 20 930 28 490

8 23 920 32 560


Load 100% 171 126

WRTSIL RTA AND RT-FLEX SERIES

Other Wrtsil RTA and RT-flex engines remain in production at licensees with

continuing support from Wrtsil. Data below are for the R1 ratings on the

usual layout fields.

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Main data RT-flex60C



Mean effective pressure, R1 19.5 barPiston speed 8.6 m/ s

Speed at R1 114 rpm

Power at R1

Cylinders kW bhp

5 11 800 16 050

6 14 160 19 260

7 16 520 22 470

8 18 880 25 680

9 21 240 28 890


Load 100% 170 125

Main data RT-flex50


Piston stroke 2 050 mmMean effective pressure, R1 19.5 bar


Speed at R1 124 rpm

Power at R1

Cylinders kW bhp

5 8 100 11 000

6 9 720 13 200

7 11 340 15 400

8 12 960 17 600


Load 100% 171 126

Main data RTA48T


Piston stroke 2 000 mmMean effective pressure, R1 18.2 bar


Speed at R1 124 rpm

Power at R1

Cylinders kW bhp

5 6 800 9 250

6 8 160 11 100

7 9 520 12 950

8 10 880 14 800


Load 100% 171 126

Main data RTA62U





Speed at R1 113 rpm

Power at R1

Cylinders kW bhp

5 11 100 15 100

6 13 320 18 120

7 15 540 21 140

8 17 760 24 160


Load 100% 173 127

WRTSIL RTA AND RT-FLEX SERIES

Main data RTA58T



Mean effective pressure, R1 18.3 barPiston speed 8.3 m/ s

Speed at R1 103 rpm

Power at R1

Cylinders kW bhp

5 10 000 13 600

6 12 000 16 320

7 14 000 19 040

8 16 000 21 760


Load 100% 170 125

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DEFINITIONS AND NOTES FOR LOW-SPEED ENGINES

DIMENSIONS AND WEIGHTSAll dimensions are in millimetres and are not binding.

The engine weight is net in metric tonnes (t), without oil and water, and is

not binding.

FUEL CONSUMPTIONAll brake specific fuel consumptions (BSFC) are quoted for fuel of lower

calorific value 42.7 MJ/kg (10 200 kcal/kg), and for ISO standard reference

conditions (ISO 15550 and 3046).The BSFC figures for Wrtsil engines are given with a tolerance of +5%.

Wrtsil RT-flex engines have a lower part-load fuel consumption than the

corresponding Wrtsil RTA engines.

The brake specific fuel consumptions (BSFC) for Mitsubishi UEC engines

(except the UEC50LSE) are based on ISO standard reference conditions with

a tolerance of 3%. BSFC figures under compliance with IMO-NOx (2000)regulation are different from the figures stated in this catalogue depending on

engine type, rating point, etc. For definite values, please contact the engine

manufacturer.

The values of power in kilowatts and fuel consumption in g/kWh are

the standard figures, and discrepancies occur between these and the

corresponding brake horsepower (bhp) values owing to the rounding of

numbers. For definitive values, please contact our local offices.

ISO STANDARD REFERENCE CONDITIONSTotal barometric pressure at R1 ............................................ 1.0 bar

Suction air temperature ............................................ 25 C

Relative humidity ............................................ 30%

Scavenge air cooling water temperature: - with sea water .................... 25 C

- with fresh water .................. 29 C

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RATING POINTS FOR WRTSILLOW-SPEED ENGINESThe engine layout fields for Wrtsil

low-speed engines are defined by the

power/speed rating points R1, R2, R3

and R4 (see diagram left). In certain

engines, the layout field is extended to

the points R1+ and R2+. R1, or R1+

instead if applicable, is the nominal

maximum continuous rating (MCR).Any power and speed within the

respective engine layout field may be

selected as the Contract-MCR (CMCR)

point for an engine.

RATING POINTS FOR MITSUBISHIUEC LOW-SPEED ENGINESThe engine layout fields for Mitsubishi

UEC engines are defined by the power

/ speed rating points P1, P2, P3, and

P4 (see diagram left). Any power and

speed within the respective engine

layout field may be selected as theContract-MCR (CMCR) point for an

engine.

P1

P2

P3

P4

40

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CYLINDER LUBRICATIONThe guide feed rate for cylinder lubricating oil is 1.1 g/kWh for Wrtsil RTA

and RT-flex engines built to the current design standard. This applies for

engine loads in the range of 50 to 100% and for all fuel sulphur contents from

1.5% upwards.

A still lower guide rate of 0.9 g/kWh or less can be used after analysis of

engine performance by a Wrtsil service engineer. For further information

please consult your nearest Wrtsil company.

The low cylinder oil feed rates are made possible by the excellent and

very stable piston-running behaviour routinely obtained by Wrtsil low-speedengines built to todays standard designs. Not only are cylinder wear rates

low (typically less than 0.04 mm/1000 hours) but also the TBO (time between

overhauls) is meeting todays requirement.

These good results are being achieved by the well-established Wrtsil

load-dependent accumulator cylinder lubricating system. It has been standard

in Wrtsil low-speed engines since the late 1970s, and has been furtherdeveloped over the years with the application of electronic control.

Load-dependent control ensures that the specific feed rate (g/kWh)

remains virtually constant with reference to the actual operating load.

Wrtsil is introducing the new Pulse Lubricating System to allow the

standard guide feed rate to be reduced to 0.7 g/kWh. It is an electronically-

controlled lubricating system which improves the distribution of oil on the

cylinder liner. Availability upon request.

For further information on this subject, please contact the local Wrtsil

companies.

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42

MEDIUM-SPEED ENGINES

DIESEL ENGINESThe design of the Wrtsil medium-speed engine range is based on the vast

amount of knowledge accumulated over years of successful operation.

Robust engines derived from pioneering heavy fuel technology have

been engineered to provide the unquestionable benefits for the owners and

operators of Wrtsil engines and generating sets:

Proven reliability

Low emissions

Low operating costs

Multi-fuel capabilityBenefits for the shipyard include installation friendliness, integrated monitoring

and control system, and built-on modularized auxiliary systems.

DUAL-FUEL ENGINESWrtsil is continuously developing its portfolio of gas and multi-fuel engines

to suit different marine applications, be they offshore oil and gas installationwhere gaseous fuel is available from the process, or a merchant vessel

operating in environmentally sensitive areas. The Wrtsil engines offer high

efficiency, low exhaust gas emissions and safe operation. The innovative multi-

Wrtsil 32DF

Wrtsil 50DF

Wrtsil 20

Wrtsil 26

Wrtsil 32

Wrtsil 38

Wrtsil 46

Wrtsil 46F

Wrtsil 64

PROPAC

DIESEL ENGINES

DUAL-FUEL ENGINES

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fuel technology allows flexibility to choose between gas or liquid fuel. When

necessary, the engines are capable of switching from one fuel to the other

without interruption on the power generation.

PROPACThe comprehensive product portfolio places Wrtsil in a unique position to

offer a tailored and complete propulsion solution named Propac for practically

any mechanical propulsion application. In-house design, manufacturing and

project management ensure matching components and total responsibility,

without forgetting lifetime support for the complete system from a singlecontact.

In order to reduce implementation time and costs Wrtsil has developed a

range of pre-engineered propulsion packages for two selected application types.

Propac CP: medium-speed engine, controllable pitch propeller, reduction

gear with built-in clutch, shaft, seals, bearings and an integrated control system.

Propac ST: medium-speed engine, steerable thruster with either fixed pitchor controllable pitch propeller, clutch, shafting, bearings and an integrated

control system.

POWER RANGE FOR MEDIUM-SPEED ENGINES

kW 5000 10,000 15,000 20,000 25,000

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Main data

Cylinder bore .................................. 200 mmPiston stroke...................................280 mm

Cylinder output .................. 180, 200kW/cylSpeed ...........................................1000 rpm

Mean effective pressure ........24.6, 28.0 barPiston speed....................................9.3 m/s

Fuel specification:Fuel oil .................................... 730 cSt/50 C

7200sR1/100 FISO 8217, category ISO-F-RMK 700

SFOC 184-193 g/kWhat ISO condition

Options:Common rail fuel injection, humidification of combustion air for NOXreduction.

Rated power

Engine type180 kW/cyl 200 kW/cyl

kW bhp kW bhp

4L20

6L20

8L20

9L20

720

1 080

1 440

1 620

980

1 470

1 960

2 200

800

1 200

1 600

1 800

1 085

1 630

2 175

2 450

Dimensions (mm) and weights (tonnes)

Engine type A* A B* B C* C D F Weight

4L20

6L20

8L20

9L20

3 254

3 973

4 261

2 510

3 108

3 783

4 076

1 528

1 614

1 614

1 348

1 348

1 465

1 449

1 580

1 756

1 756

1 483

1 579

1 713

1 713

1 800

1 800

1 800

1 800

725

624

624

624

7.2

9.3

11.0

11.6

*Turbocharger at flywheel end.For definitionssee page 53.

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Main data


Cylinder output .................. 325, 340kW/cylSpeed ...................................900, 1000 rpm

Mean effective pressure ........24.0, 25.5 barPiston speed........................... 9.6, 10.7 m/s




Options:Humidification of combustion air for NOXreduction.

Rated power

Engine type900 rpm 1000 rpm

325 kW/cyl 340 kW/cyl

kW bhp kW bhp

6L26

8L26

9L26

12V26

16V26

1 950

2 600

2 925

3 900

5 200

2 650

3 535

3 975

5 300

7 070

2 040

2 720

3 060

4 080

5 440

2 775

3 700

4 160

5 545

7 395


Enginetype A* A B* B C* C D

Fdry sump

Fwet sump

Weightdry sump

Weightwet sump

W6L26W8L26W9L26

W12V26W16V26

4 2515 1565 5465 2186 223

4 1114 9395 3294 9685 973

1 8822 0202 0202 0742 151

1 8011 8251 8252 0742 151

1 9121 9121 9122 4532 489

1 8831 9791 9792 4532 489

2 4302 4302 4302 0602 060

N.y.aN.y.aN.y.a800800

950 950 9501 1101 110

17.021.623.328.736.1

17.221.923.629.037.9

*Turbocharger at flywheel end.For definitionssee page 53.

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Main data


Cylinder output .......................... 500kW/cylSpeed .............................................750 rpm

Mean effective pressure .................24.9 barPiston speed.................................. 10.0 m/s





Rated power

Engine type500 kW/cyl

kW bhp

6L327L328L329L3212V3216V3218V32

3 0003 5004 0004 5006 0008 0009 000

4 080 4 760 5 440 6 120 8 16010 87012 240


Engine type A* A B* B C D F Weight

6L327L328L329L3212V3216V3218V32

5 1085 5986 4786 9686 795

5 2675 7586 4807 0866 4357 8908 450

2 2682 2682 4382 4382 350

2 2682 4902 4182 4182 3902 5232 523

2 2072 2972 2072 2072 8703 2933 293

2 3452 3452 3452 3452 1202 1202 120

1 1531 1531 1531 1531 4751 4751 475

35.541.045.048.560.576.082.5

*Turbocharger at flywheel end.


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Main data


Cylinder output .......................... 725kW/cylSpeed ............................................600 rpm

Mean effective pressure .................26.9 barPiston speed....................................9.5 m/s





Rated power


kW bhp

6L38

8L38

9L38

12V38

16V38

4 350

5 800

6 525

8 700

11 600

5 915

7 885

8 870

11 830

15 770


Engine type A* A B* B C D F Weight

6L38

8L38

9L38

12V38

16V38

6 345

7 925

8 525

7 580

9 130

6 220

7 545

8 145

7 385

8 945

2 835

2 820

2 820

2 930

3 105

2 835

2 770

2 770

2 930

3 105

2 210

2 445

2 445

3 030

3 030

3 135

3 135

3 135

2 855

2 855

1 115

1 115

1 115

1 435

1 435

51

62

72

88

110

* Turbocharger at flywheel end.For definitionssee page 53.

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Main data


Cylinder output ...... 975, 1050, 1155kW/cylSpeed .....................................500, 514 rpm

Mean effective pressure .......23.6 - 28.8 barPiston speed............................. 9.7, 9.9 m/s

Fuel specification:Fuel oil ................................... 730 cSt/50 C



Options:Common rail fuel injection, humidification of combustion air for NOXreduction, crude oil.

Rated power

Engine type500, 514 rpm 500, 514 rpm 500, 514 rpm975 kW/cyl 1050 kW/cyl 1155 kW/cyl

kW bhp kW bhp kW bhp

6L46

8L46

9L46

12V46

16V46

5 850

7 800

8 775

11 700

15 600

7 950

10 600

11 930

15 900

21 210

6 300

8 400

9 450

12 600

16 800

8 565

11 420

12 850

17 130

22 840

6 930

9 240

10 395

13 860

18 480

9 420

12 560

14 135

18 845

25 125


Engine type A* A B C D F Weight

6L46

8L46

9L46

12V46

16V46

7 580

9 490

10 310

10 260

12 345/12 4601)

8 290

10 005

10 830

10 210

12 480/12 5901)

3 340

3 260/3 6001)

3 600

3 660

3 660/3 9901)

2 880

3 180

3 270

3 810/4 5302)

4 530/5 3501)

3820

3820

3820

3600

3600

1 460

1 460

1 460

1 500

1 500

95

120

137

169

214

* Turbocharger at flywheel end.1) Depending on output.2) Depending on turbocharger and output.For definitionssee page 53.

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Main data


Cylinder output ........................ 1250kW/cylSpeed .............................................600 rpm

Mean effective pressure .................25.9 barPiston speed.................................. 11.6 m/s

Fuel specification:Fuel oil ................................... 730 cSt/50 C



Options: Twin plunger injection pumpsinstead of common rail fuel injection, humidificationof combustion air for NOXreduction, variable inlet valve closure.

Rated power


kW bhp

6L46F

7L46F

8L46F

9L46F

12V46F

16V46F

7 500

8 750

10 000

11 250

15 000

20 000

10 200

11 900

13 600

15 300

20 400

27 200



6L46F

7L46F

8L46F

9L46F

8 330

9 150

9 970

10 820

8 500

9 350

10 200

11 000

3 500

3 500

3 800

3 800

2 835

2 835

2 950

2 950

3 750

3 750

3 750

3 750

1 430

1 430

1 430

1 430

97

113

124

140


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Main data


Cylinder output ....................... 2150kW/cylSpeed ...............................327.3, 333.3 rpm

Mean effective pressure ........ 25.0, 27.2 barPiston speed.......................... 9.8, 10 m/s

Fuel oil specification:Fuel oil .................................... 730 cSt/50 C


SFOC 164 g/kWh at ISO condition

Options:Humidification of combustion air for NOXreduction.

Rated power

Engine type327.3, 333.3 rpm

2 150 kW/cyl

kW bhp

6L64

7L64

8L64

12 900

15 050

17 200

17 540

20 460

23 390



6L64

7L64

8L64

10 250

11 300

12 350

10 470

11 620

12 740

4 355

4 465

4 465

4 170

4 165

4 165

5 345

5 345

5 345

1 905

1 905

1 905

237

269

297


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DUAL-FUEL ENGINESMain data


Cylinder output .................. 335, 350kW/cylSpeed ....................................720, 750 rpm

Mean effective pressure ........19.8, 19.9 barPiston speed........................... 8.4, 8.75 m/s

Fuel specification:Fuel oil .................................Marine diesel oil

IS

O 8217, category IS

O-F-DMX,DMA and DMBNatural gasMethaneNumber: 80LHV: min. 24 MJ/nm, 4.5 barBSEC 7700 kJ/kWh

Rated power

Engine type60 Hz 50 Hz

335 kW/cyl, 720 rpm 350 kW/cyl, 750 rpm

Engine kW Gen. kW Engine kW Gen. kW

6R32DF

12V32DF

18V32DF

2 010

4 020

6 030

1 930

3 860

5 790

2 100

4 200

6 300

2 020

4 030

6 050

G

enerator output bas

ed on a generator efficiency of 96%.

Engine dimensions (mm) and weights (tonnes)

Engine type A B C D F Weight

6R32DF

12V32DF

18V32DF

5 085

5 685

7 420

2 345

2 570

2 880

1 995

2 310

2 585

2 550

2 330

2 330

1 135

1 150

1 150

30

43

62


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Main data


Cylinder output .......................... 950kW/cylSpeed ....................................500, 514 rpm

Mean effective pressure ........20.0, 19.5 barPiston speed............................. 9.7, 9.9 m/s


7200sR1/100 FISO 8217, category ISO-F-DMX,

DMA and DMBNatural gasMethaneNumber: 80LHV: min. 28 MJ/nm, 5.5 barBSEC 7410 kJ/kWh

Rated power

Engine type50 Hz, 60 Hz

Engine kW Gen. kW

6L50DF

8L50DF

9L50DF

12V50DF

16V50DF

18V50DF

5 700

7 600

8 550

11 400

15 200

17 100

5 500

7 330

8 250

11 000

14 670

16 500

G

enerator output bas

ed on a generator efficiency of 96.5%.

Engine dimensions (mm) and weights (tonnes)

Engine type A B C D F Weight

6L50DF

8L50DF

9L50DF

12V50DF

16V50DF

18V50DF

8 115

9 950

10 800

10 465

12 665

13 725

3 580

3 600

3 600

4 055

4 055

4 280

2 850

3 100

3 100

3 810

4 530

4 530

3 820

3 820

3 820

3 600

3 600

3 600

1 455

1 455

1 455

1 500

1 500

1 500

96

128

148

175

220

240


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DEFINITIONS AND NOTES FOR MEDIUM-SPEED ENGINES

ENGINE DIMENSIONS

A* Total length of the engine when the turbocharger is located

at the flywheel end.

A Total length of the engine when the turbocharger is located

at the free end.

B Height from the crankshaft centreline to the highest point.

B* Height from the crankshaft centreline to the highest point when

the turbocharger is located at the flywheel end.

C Total width of the engine.

C* Total width of the engine when the turbocharger is located at the

flywheel end.

D Minimum height from the crankshaft centerline when removing

a piston.

F Distance from the crankshaft centreline to the bottomof the oil sump.

DIMENSIONS AND WEIGHTSDimensions are in millimetres and weights are in metric tonnes. Indicated

values are for guidance only and are not binding.

Cylinder configurations: L = in-line and V = v-form.

SPECIFIC FUEL OIL CONSUMPTIONAt ISO standard reference conditions

Lower calorific value of fuel 42 700 kJ/kg

Tolerance 5%

Without engine driven pumps

At 85% load.

ISO STANDARD REFERENCE CONDITIONSTotal barometric pressure ............................................ 1.0 bar

Suction air temperature ............................................ 25 C

Charge air, or scavenge air,

cooling water temperature ............................................ 25 C

Relative humidity ............................................ 30%

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Propac CP Propac STCPP 4-bladed D-hub Built-in servo

Steerable thruster Fixed pitch Controllable pitch

Shafts, sealsand bearings High speed shafting

Reduction gearbox PTO Clutch

Nozzle 19A HR

Flexible coupling Slipping clutch and/or flexible coupling

Engine 4-stroke, medium-speed

Engine 4-stroke, medium-speed

Propulsion Control Propulsion Control

Monitoring Monitoring

PROPAC ST SELECTION TABLE

Enginetype

MCRenginepower[kW]

Thrustersize

Propellerdiameter

[mm]

Propellerspeed[rpm]

Bollard pull with twinthrusters [tonnes]

in 19Anozzle

in HRnozzle

6L20

1080 1751600

36132 34

1800 34 36

1200 2001900

27738 41

2100 41 43

8L20

1440 225 2100 274 46 492300 49 52

1600 2252100

27450 53

2300 53 55

9L20

1620 2252100

27450 53

2300 53 56

1800 2502400

25759 62

2600 61 64

6L26

1950 2502400

25762 66

2600 64 68

2040 2502400

25764 68

2600 67 70

8L26

2600 275 2600 245 80 84

2720 3002800

21886 91

3000 89 94

9L26

2925 3002800

21891 96

3000 94 99

3060 3002800

21894 99

3000 97 103

AVAILABLE OPTIONSPER THRUSTER TYPE:

Controllable pitch propeller (CS) or fixed pitch propeller (FS).

HR nozzle, 19A nozzle or open propeller.

Weld-in or can-mounted stem box.

Soft on/off clutch or a modulating clutch for FS thrusters.

REMARKS:

Bollard pull is based on twin installation, 100% MCR power and 2% thrust deduction with the propellersdesigned for best performance at 0 knots

Selections are for installations without ice class.

A modulating clutch improves the manouverability for fixed pitch (FS) thrusters at low speeds.

A floating shaft arrangement is applied for installations with the engine in-line with the thruster input shaft.

PROPULSION PACKAGES

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B[mm]

B*[mm]

C[mm]

D[mm]

F[mm]

K[mm]

K*[mm]

N[mm]

S[mm]

T[mm]

W[mm]

1348 1528 685

2100

824 2743 2665

985 1743 1200910

2200 1110 1843 1230

2500 1180 2048 13001210

2600 1305 2148 1350

1465 1614 685

2630

824 3418 3265

1305 2168 1400 12102830 1425 2368 1450

2630 1305 2168 14001210

2830 1425 2368 1450

1449 1614 725

2630

824 3711 3565

1305 2168 14001210

2830 1425 2368 1450

3100 1485 2512 15251435

3200 1615 2612 1575

1801 1882 700

3100

950 3751 3618

1485 2512 15251435

3200 1615 2612 1575

3100 1485 2512 15251435

3200 1615 2612 1575

1825 2020 750

3500

950 4579 4398

1615 2890 1665 1465

3700 1735 3090 17701465

3700 1860 3090 1870

1825 2020 750

3700

950 4969 4788

1735 3090 17701465

3700 1860 3090 1870

3700 1735 3090 17701465

3700 1860 3090 1870

Main data of engines Wrtsil 20 Wrtsil 26

Cylinder bore .........................200 mm 260 mmPiston stroke.......................... 280 mm 320 mm

Cylinder output ...................... 180, 200kW/cyl 325, 340

kW/cylEngine speed .........................1000 rpm 1000 rpm

Mean effective pressure ........ 24.6, 28.0 bar 23.0, 24.0 barPiston speed.......................... 9.3 m/s 10.7 m/s

Fuel oil specification: 730 cSt/50C 7200 sR1/100F ISO 8217, category ISO-F-RMK 55

S

W

T

K

K*

Prop

N

F

BB*

C

D

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PROPAC CP SELECTION TABLE

Engine

type

Propeller

[mm]

Gear sizeS

CV

Hub

size

Aft seal

size

A

[mm]

B

[mm]

B *)

[mm]

4L20

1900-2000 38 4D505 170 373 1348 N/A

2100-2300 38 4D550 190 402 1348 N/A

2400-2500 38 4D600 190 432 1348 N/A

6L20

2100-2400 42 4D600 200 432 1348 1528

2500 46 4D600 220 432 1348 1528

2600-2800 46 4D650 220 467 1348 1528

2900 50 4D650 220 467 1348 1528

3000 50 4D710 220 506 1348 1528

8L20

2200 46 4D600 220 432 1465 1614

2300-2400 46 4D650 220 467 1465 1614

2500-2600 50 4D650 240 467 1465 1614

2700 50 4D710 240 506 1465 1614

2800-3000 56 4D710 240 506 1465 1614

3100-3300 56 4D775 260 550 1465 1614

9L20

2300-2500 50 4D650 240 467 1449 1614

2600-2900 56 4D710 260 506 1449 1614

3000-3100 56 4D775 260 550 1449 1614

3200-3300 62 4D775 260 550 1449 1614

6L26

2600-2700 56 4D710 260 506 1801 1882

2800-2900 56 4D775 260 550 1801 1882

3000-3200 62 4D775 260 550 1801 1882

3300-3400 62 4D845 280 574 1801 18823500 68 4D845 280 574 1801 1882

8L26

2800-2900 62 4D775 280 550 1825 2020

3000-3400 68 4D845 300 574 1825 2020

3500-3900 75 4D920 330 631 1825 2020

4000 85 4D920 330 631 1825 2020

9L26

3000-3200 68 4D845 300 574 1825 2020

3300-3700 75 4D920 330 631 1825 2020

3800 85 4D920 330 631 1825 2020

3900-4000 85 4D1000 330 674 1825 2020

REMARKS:

*) Turbocharger at flywheel end.

**) 624 if dry sump.

Coupling and flywheel length C and sterntube length P are project specific dimensions.

Dimension M is project specific but a minimum service space Mmin must be respected.

Selections based on propeller tip speed 32.5 m/s.

Selections based on classification ABS, LRS or BV - no ice class. Note that DNV class (no ice) often allows forone size smaller reduction gear.

Wrtsil 20 - 200 kW/cylinder.

Wrtsil 26 - 340 kW/cylinder.

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C

[mm]

E

[mm]

F

[mm]

G

[mm]

H

[mm]

L

[mm]

N

[mm]

N *)

[mm]615 551 725 1480 380 990 665 N/A

615 574 725 1480 380 990 665 N/A

615 600 725 1480 380 990 665 N/A

685 600 824 **) 2080 420 1090 663 585

685 600 824 **) 2080 460 1195 663 585

685 627 824 **) 2080 460 1195 663 585

685 627 824 **) 2080 500 1505 663 585

685 655 824 **) 2080 500 1505 663 585

685 600 824 **) 2680 460 1195 738 585

685 627 824 **) 2680 460 1195 738 585

685 642 824 **) 2680 500 1505 738 585

685 670 824 **) 2680 500 1505 738 585

685 670 824 **) 2680 560 1630 738 585

685 714 824 **) 2680 560 1630 738 585

725 642 824 **) 2980 500 1505 731 585

725 675 824 **) 2980 560 1630 731 585

725 714 824 **) 2980 560 1630 731 585

725 714 824 **) 2980 620 1720 731 585

700 675 950 2866 560 1630 885 634

700 714 950 2866 560 1630 885 634

700 714 950 2866 620 1720 885 634

700 750 950 2866 620 1720 885 634700 750 950 2866 680 1875 885 634

750 714 950 3646 620 1720 933 758

750 750 950 3646 680 1875 933 758

750 790 950 3646 750 1960 933 758

750 790 950 3646 850 2200 933 758

750 750 950 4036 680 1875 933 758

750 790 950 4036 750 1960 933 758

750 790 950 4036 850 2200 933 758

750 829 950 4036 850 2200 933 758

Prop

A E P Mmin L C

H

G N

N*

F

BB*

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GENERATING SETS

0 2000 4000 6000 8000 10,000 12,000kW

Auxpac

Genset 20

Genset 26

Genset 32

Genset 32DF

POWER RANGE FOR GENERATING SETS

Genset 38

A wide range of generating sets, comprising generator and diesel engine

mounted on a common baseframe, are available for both service power

generation and for diesel-electric propulsion. All generating sets listed in this

section are based on medium-speed diesel engines designed for operating on

heavy fuel oil. The generating sets are res

Wartsila 2007

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