R950-Tunnel-StageIV-GB-PI-2015-04_15990-0.pdf

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Tunneling Excavator

R 950

Motor:150 kW / 204 HP

190 kW / 258 HP (option)

Stage IV

Operating Weight:

43,200 – 45,300 kg

Tunnel Height:

5.00 – 8.00 m

Product Information



R 950 Litronic Tunnel2

R 950 Litronic

Motor:

150 kW / 204 HP

190 kW / 258 HP (option)

Stage IV

Operating Weight:

43,200 – 45,300 kg

Tunnel Height:

5.00 – 8.00 m

PerformanceSignificant productivity thanks

to special hydraulic system

and high forces attachment.



R 950 Litronic Tunnel 3

EfficiencyFast machine set-up with

economical usage thanks to

its reliability and controlled

consumption.

ReliabilityExtremely robust machine

owing to 100% Liebherr

design and manufacturing,

dedicated for the application.

ComfortTunnel cab is characterised by

its ergonomic and comfortable

design.

MaintainabilityEasy accesibility to different

control and servicing elements.



R 950 Litronic Tunnel4

The R 950 tunnel excavator

Tunneling specificities

• Special short tail uppercarriage

• Travel alarm

• Working headlights with protections

• Increased power and special hydraulic

system for optimal use of cutting heads

Undercarriage

• Dozer blade with cylinder protection

• 4 deflector blades

• Travel drive protection• 4 track guides at each track frame




Operator’s cab

• Comfortable and ergonomic cab

• Synthetic leather seat with headrest

for easy cleaning

• Integral protection of ROPS, FOPS

and FGPS

• Electronic components with protection

• Safety guaranteed with rear and lateral

surveillance cameras

Equipment

• Special tunnel boom with 2 x 45° tilting bear

• Sealed stick with high breakout force

• Optimal position and protection

of hoses and pipes

• Special position of cylinders to bebetter protected

• Liebherr quick coupler for a easy

tool changing



6 R 950 Litronic Tunnel

Technical Data

Hydraulic SystemHydraulic system Positive Control. Dual circuit hydraulic system for

independent and need-based quantity allotment via

the hydraulic pumps; sensor-guided. Features high

system dynamics and sensibility provided by inte-

grated system controlling

Hydraulic pump

for attachment

and travel drive

Liebherr, variable displacement, swashplate double

pump

Max. flow 2 x 238 l/min.

Cutting head application 2 x 238 l/min. + 1 x 60 l/min.

Max. pressure 350 bar

Pump management electronic pump management via the integrated

system controlling (CAN-BUS) synchronous to the

control block. Open circuit for the rotation

Hydraulic tank 290 l

Hydraulic system 520 l

Hydraulic oil filter full flow filter in return line (10 µm)

Cooling system compact cooler, consisting of a water cooler, sand-

wiched with hydraulic oil cooler, gearbox oil cooler,

fuel cooler and after-cooler cores and hydrostatically

driven fan

MODE selection adjustment of engine and hydraulic performance via

a mode pre-selector to match application

RPM adjustment stepless adjustment of engine output via RPM at each

selected mode

Tool Control 10 preadjustable pump flows and pressures for add-on

tools

EngineRating per ISO 9249 150 kW (204 HP) at 1,800 RPM

Cutting head application 190 kW (258 HP) at 1,800 RPM

Model Liebherr D944 A7

Type 4 cylinder in-line

Bore/Stroke 130/150 mm

Displacement 8 l

Engine operation 4-stroke diesel

Common-Rail system injection

Exhaust gas treatment SCR with urea injection

emission standard stage I V / Tier 4f

Option Liebherr particle filter

Cooling system water-cooled and integrated motor oil cooler, after-

cooled and fuel cooled

Air cleaner dry-type air cleaner with pre-cleaner, primary and

safety elements

Fuel tank 425 l

Electrical system

Voltage 24 V

Batteries 2 x 180 Ah/12V

Starter 24 V/7,8 kW

Alternator three phase current 28 V/140 A

Engine idling sensor controlled

Motor management connection to the integrated excavator system con-

trolling via CAN-BUS to the economical utilisation of

the service that is available

Hydraulic ControlsPower distribution via control valve with integrated safety valves

Servo circuit

Attachment and swing proportional via joystick levers

Travel – proportional via foot pedals or removable hand levers

– speed pre-selection

Additional functions proportional regulation via foot pedals or rocker




Operator’s CabCab according to guidelines for tunnel application FOPS,

ROPS, FGPS plus Polycarbonate windows on attach-

ment side and rear

Operator’s seat seat with synthetic leather seat cover, airsprung with

automatic weight adjustment, vertical and horizontal

seat damping including consoles and joysticks. Seat

and armrests adjustable separately and in combination

Control system arm consoles, swinging with the seat

Operation and displays large high resolution colour display with selfexplana-

tory operation via touchscreen, video, versatile adjust-

ing, control and monitoring facilities, e.g. implement

and tool parameters

Niveau sonore

2000/14/EC LWA (surround noise) = 105 dB(A)

UndercarriageNLC gauge 2,390 mm

Drive Liebherr swashplate motor

Transmission Liebherr planetary reduction gears

Travel speed low range – 2.7 km/h

high range – 4.5 km/h

Net drawbar pull on crawler 280 kN

Track components D 7 G, maintenance-free

Track rollers/Carrier rollers 9/2

Tracks sealed and greased

Track pads double or triple grouser

Holding brake wet multi-discs (spring applied, pressure released)

Brake valves integrated into travel motor

Lashing eyes integrated

AttachmentType combination of resistant steel plates and cast steels

components

Hydraulic cylinders Liebherr cylinders with special seal-system, shock

absorbed

Bearings sealed, low maintenance

Lubrication fully automatic Liebherr central lubrication system

(except bucket tilt linkage)

Hydraulic connections pipes and hoses equipped with SAE splitflange

connections

Basic boom 3.50 m with 2 x 45° tilting bear

Stick 4.50 m with integrated bucket tilt cylinder

Bucket HD ripper bucket with cutting width 900 mm

Swing DriveDrive Liebherr swash plate motor, shockless and antireaction

Transmission Liebherr compact planetary reduction gear

Swing ring Liebherr, sealed single race ball bearing swing ring,

internal teeth

Swing speed 0 – 12.5 RPM stepless

Swing torque 85 kNm

Holding brake wet multi-disc (spring applied, pressure released)




Dimensions

950

950

W

L

U

V

X G

B

S

N

Q

P

C

A

K

H

D

EF

R0275

950

950

L

U

U1

F1

J I

B2

G

BR0276

mm

A 3,050

C 3,390

D 1,975

E 1,975

F 1,810

F1 1,160

H 2,785

I 725

J 930

K 1,235

L 4,108

P 1,125

Q 565S 2,390

U 5,100

U1 5,750

N 500 600

B 3,000 3,000

B2 3,000 3,000

G 2,975 2,975

Boom 3.50 m with 2 x 45° tilting bear and stick 4.50 m mm

V 9,900

W 3,900

X 10,300




Tunneling Excavatorwith Boom 3.50 m, 2 x 45° Tilting Bear and Stick 4.50 m

950

12

0

5

10

15

20

25

30

35

0

1

2

3

4

5

6

7

8

9

10

11

mft

012345 m

051015 ft

950

R0274

4 2 06810

3035 2025 1015

m

05 ft

2

4

-2

-4

6

8

10

12

00

10

15

-10

-15

-5

5

20

25

30

35

mft

4550

V

5950

6100

10430

3730

H

Digging Envelope

Basic boom bolted in position II of upper carriage

Tunnel height

H

m

Advance

V

m

5.00 1.40

5.50 1.90

6.10 2.85

6.50 2.80

7.00 2.60

7.50 2.45

8.00 2.30

Digging Forceswithout quick coupler

Digging force ISO kN 207

t 21,1

Breakout force ISO kN 322

t 32,8

Operating Weight and Ground Pressure

The operating weight includes the basic machine with boom 3.50 m, 2 x 45° tilting bear,

stick 4.50 m, quick coupler SW66 and bucket 0.18 m3 (750 kg).

Undercarriage without blade with blade

Pad width mm 500 600 500 600

Weight kg 43,200 43,800 44,700 45,300

Ground pressure kg/cm2 0.97 0.82 1.00 0.85




Undercarriage4 deflectors

4 track guide at each track frame

Accessory for emergency towing

Chain kit, reinforced (D 7 G)

Idler protection

Lashing eyelets

Lifetime-lubricated track rollers

Sprocket with dirt ejector

Tracks sealed and greased

Travel gear protection

Two-stage travel motors

Operator’s CabCab for tunneling application

Emergency exit rear window

Fire extinguisher

Headlights (front, rear)

Polycarbonate window at attachment side and rear window

Safety cab structure according to guidelines FOPS, ROPS, FGPS

Seat with synthetic leather seat cover with adjustable head restraints

AttachmentHigh pressure circuit for additional tools

Hoist cylinder control stop

Lifting hook on boom to lift the complete excavator

Protection for hoist cylinder

ReGeneration plus

Stick, sealed version

Working lights on boom and stick

Uppercarriage Alternator 140 A

Automatic swing brake

Back-up alarm

Camera for side area monitoring

Electrical device shut off

Engine hood with lift help and mechanical locking

Fire extinguisher

Handrails, non slip surfaces

Headlights on uppercarriage and counterweight (halogene) with protection

Liebherr full-automatic central lubrication system

(except connecting link for bucket kinematics)

Maintenance-free HD-batteries

Rear view monitoring camera

Sound insulation

Tool kit

Hydraulic SystemHydraulic tank shut-off valve and pumps

Stepless work mode selector

Engine After-cooled

Air pre-filter with dust trap

Common-Rail system injection

Conform with stage IV / Tier 4f emission standard

Fuel filter and water separator

SCR exhaust gas after-treatment system

Sensor controlled automatic engine idling

Turbo charger

Standard Equipment




UndercarriageDozer blade 3,000 mm with cylinder protection

Operator’s Cab Additional headlights (front, rear) LED

Closed cab (additional door and window) with windshield wiper and air conditionning

AttachmentHeadlights on boom and stick LED

Hydraulic or mechanical quick coupler

Liebherr buckets

Middle pressure circuit for tool rotation

Quick couplers for tools

UppercarriageCustomized colors

Cutting head application with additional pump and increased power (190 kW)

Diesel refuelling pump (electrical)

Headlights on uppercarriage and counterweight (LED) with protection

Reversible fan

Hydraulic SystemBiodegradable hydraulic oil

Bypass filter for continuous hydraulic filtration

Filter for high pressure circuit

Engine Automatic engine shut-down on idle (adjus table)

Liebherr particle filter

Options

Options and/or special attachments, supplied by vendors other than Liebherr, are only to be installed with the knowledge and approval of Liebherr in order to

retain warranty.



Wide Product Range

The Liebherr Group is one of the largest construction equipment

manufacturers in the world. Liebherr’s high-value products and

services enjoy a high reputation in many other fields. The wide

range includes domestic appliances, aerospace and trans-

portation systems, machine tools and maritime cranes.

Exceptional Customer Benefit

Every product line provides a complete range of models in many

different versions. With both their technical excellence and

acknowledged quality, Liebherr products offer a maximum of

customer benefits in practical application.

State-of-the-art Technology

To provide consistent, top quality products, Liebherr attaches

great importance to each product area, its components and

core technologies. Important modules and components are

developed and manufactured in-house, for instance the entire

drive and control technology for construction equipment.

Worldwide and Independent

Hans Liebherr founded the Liebherr family company in 1949.

Since that time, the enterprise has steadily grown to a group of

more than 130 companies with over 41,000 employees located

on all continents. The corporate headquarters of the Group isLiebherr-International AG in Bulle, Switzerland. The Liebherr

family is the sole owner of the company.

www.liebherr.com

The Liebherr Group of Companies

Liebherr-France SAS 2 avenue Joseph Rey, B.P. 90287, FR-68005 Colmar CedexS +33 389 21 30 30, Fax +33 389 21 37 93

R950-Tunnel-StageIV-GB-PI-2015-04_15990-0.pdf

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