AIR COOLEDDIESEL ENGINES

12.0 – 26.0 kW | 16.3 – 35.4 hp

AIR COOLEDDIESEL ENGINES

STANDARD EQUIPMENT

Electric starting with 12 V starter motor and alternator

Remote throttle

Oil pressure switch

Combined manifold and exhaust muffler

Engine feet

Fuel lift pump

Counter-clockwise rotation on power take-off side

Automatic extra fuel device

Use, maintenance and spare parts booklet

Oil bath air filter

Manual control accelerator

Power take-off on flywheel (KD-625/2; KD-626/3)

Power take-off on crankshaft (KD-330/2; KD-425/2; KD-477/2)

Fuel tank with filter

Guard for belt (KD-626/3)

ACCESSORIES ON DEMAND

Different guards according to use

24V alternators and starter motors

Automatic release decompression system

Flanges

Dry air filter

External fuel filter

Clutches

Range of fuel tanks of various sizes

Hydraulic pump adapters

Range of flywheels for various clutches

Mufflers and exhaust pipes

Controls

Pulleys

Oil cooler (KD-625/2; KD-330/2;KD-425/2; KD-626/3)

Crank starter (KD-625/2)

Keyswitch panel and wiring harness

Quick specifics

CYLINDERS 2

MAX POWER kW (hp)@rpm

12.0 (16.1) @ 3600

MAX TORQUE Nm@rpm

32.0 @ 2400

KD330/2

PERFORMANCE CURVES(IFN-ACCORDING TO ISO 3046 and ISO 14396)

Dimensions (mm)

DATA

1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200 3400 3600 3800

kW HP

24.0

26.0

28.0

30.0

32.0

4.0

5.0

6.0

7.0

8.0

9.0

10.0

11.0

12.0

13.0

5.0

6.0

7.0

8.0

9.0

10.0

11.0

12.0

13.0

14.0

15.0

16.0

17.0

2.4

2.6

2.8

3.0

3.2

kgm Nm

r.p.m.

MB

N

NA

NB

(Power & torque N curve - 80/1269/CE E-ISO 1585)

438 485

254

*33,5110

87,5 148231 225

275 optional209

*12160 132

15

229

307,

5

485

339

*57

137

122

N°4 HOLES Ø 11

* gravity center of the engine

438 485

254

*33,5110

87,5 148231 225

275 optional209

*12160 132

15

229

307,

5

485

339

*57

137

122

N°4 HOLES Ø 11

* gravity center of the engine

438 485

254

*33,5110

87,5 148231 225

275 optional209

*12160 132

15

229

307,

5

485

339

*57

137

122

N°4 HOLES Ø 11

* gravity center of the engine

438 485

254

*33,5110

87,5 148231 225

275 optional209

*12160 132

15

229

307,

5

485

339

*57

137

122

N°4 HOLES Ø 11

* gravity center of the engine

KD-330/2 ECE R 24

Power ratings refer to engines equipped with air filter, standard muffler, after running-in period at ambient conditions of +25°C, relative humidity 30% and 1 bar.Power levels drop by 1% every 100 m altitude and by 2% every 5°C above +25°C.

N - Power curve - 80/1269/CE E-ISO 1585

NB - Power curve - ISO 3046/1 - IFN

NA - Power curve - ISO 3046/1 - ICXN

MB - Torque curve - (NB curve)

Quick specifics KD-425/2 NE36 / KD-425/2 E536 KD-425/2 U436

CYLINDERS 2 2

MAX POWER kW (hp)@rpm

13 (17.4) @ 3600 12.2 (16.3) @ 3600

MAX TORQUE Nm@rpm

40 @ 2200 37.8 @ 2200

EMISSIONSCOMPLIANCE

ECE R 24 / EU STAGE V US TIER 4 FINAL

OPERATING SPEED Variable speed Single speed

KD425/2

PERFORMANCE CURVES(IFN-ACCORDING TO ISO 3046 and ISO 14396)

Dimensions (mm)

DATA

(Power & torque NB curve - ISO 3046/1 - IFN)

464

235 229

209

160 13215*12

503,

513

7

122

326

N° 4 HOLES Ø 11

485

110

*33,5

231 24314887.5

275 OPTIONAL 254

357,

5

*57

* gr

avity

cen

ter

of th

e en

gine

Power ratings refer to engines equipped with air filter, standard muffler, after running-in period at ambient conditions of +25°C, relative humidity 30% and 1 bar.Power levels drop by 1% every 100 m altitude and by 2% every 5°C above +25°C.

NB - Power curve - ISO 3046/1 - IFN

NA - Power curve - ISO 3046/1 - ICXN

MB - Torque curve - (NB curve)

1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200 3400 3600 3800

kW HP

32.0

34.0

36.0

38.0

40.0

30.03.1

3.3

3.5

3.7

3.9

4.1

5.0

6.0

7.0

8.0

9.0

10.0

11.0

12.0

13.0

14.0

7.0

8.0

9.0

10.0

11.0

12.0

13.0

14.0

15.0

16.0

17.0

18.0

19.0

kgm Nm

MB

MA

NA

NB

r.p.m.

KD-425/2 NE36 - KD-425/2 E536

Setting @ 3000 rpm - Stage V

Power NB (kW) Torque NB (Nm)

11.5 @ 3000 rpm 40 @ 2200 rpm

Quick specifics

CYLINDERS 2

MAX POWER kW (hp)@rpm

16.8 (22.5) @ 3600

MAX TORQUE Nm@rpm

55.0 @ 2100

KD477/2

PERFORMANCE CURVES(IFN-ACCORDING TO ISO 3046 and ISO 14396)

Dimensions (mm)

DATA

1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200

kW HP

r.p.m.

40.0

45.0

50.0

55.0

60.0

6.0

7.0

8.0

9.0

10.0

11.0

12.0

13.0

14.0

15.0

16.0

17.0

8.0

9.4

10.7

12.1

13.4

14.7

16.1

17.4

18.8

20.1

21.4

22.8

4.1

4.6

5.1

5.6

6.1

kgm Nm

MB

N

NB

NA

(Power & torque N curve - 80/1269/CE E-ISO 1585)

274 303122

51

66194399

577483

192 188

144 161202

565

185

175 *2

50

329

305,

538

0

N° 4 HOLES Ø13

* gravity center of the engine

274 303122

51

66194399

577483

192 188

144 161202

565

185

175 *2

50

329

305,

538

0

N° 4 HOLES Ø13

* gravity center of the engine

438 485

254

*33,5110

87,5 148231 225

275 optional209

*12160 132

15

229

307,

5

485

339

*57

137

122

N°4 HOLES Ø 11

* gravity center of the engine

438 485

254

*33,5110

87,5 148231 225

275 optional209

*12160 132

15

229

307,

5

485

339

*57

137

122

N°4 HOLES Ø 11

* gravity center of the engine

KD-477/2 ECE R 24

Power ratings refer to engines equipped with air filter, standard muffler, after running-in period at ambient conditions of +25°C, relative humidity 30% and 1 bar.Power levels drop by 1% every 100 m altitude and by 2% every 5°C above +25°C.

N - Power curve - 80/1269/CE E-ISO 1585

NB - Power curve - ISO 3046/1 - IFN

NA - Power curve - ISO 3046/1 - ICXN

MB - Torque curve - (NB curve)

Quick specifics

CYLINDERS 2

MAX POWER kW (hp)@rpm

18.8 (25.2) @ 3000

MAX TORQUE Nm@rpm

67.0 @ 2200

KD625/2

Dimensions (mm)

DATA PERFORMANCE CURVES(IFN-ACCORDING TO ISO 3046 and ISO 14396)

1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200

kW HP

r.p.m.

50.0

55.0

60.0

65.0

70.0

9

10

11

12

13

14

15

16

17

18

19

20

21

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

5.0

5.5

6.0

6.5

7.0

kgm Nm

MB

NB

NA

Setting @ 2800 RPM

Power NB (kW) Torque NB (Nm)

18.2 @ 2800 rpm 67.0 @ 2000 rpm

(Power & torque NB curve - ISO 3046/1 - IFN)

367

107

421

178

599

557217 340 434

285

397

178

176,

616

4

229

162

162

47

47

425

161

195 230198 160 130

181

633236 122 275

182

5429421 54207 166

15252

367

107

421

178

599

557217 340 434

285

397

178

176,

616

4

229

162

162

47

47

425

161

195 230198 160 130

181

633236 122 275

182

5429421 54207 166

15252

367

107

421

178

599

557217 340 434

285

397

178

176,

616

4

229

162

162

47

47425

161

195 230198 160 130

181

633236 122 275

182

5429421 54207 166

15252

KD-625/2 ECE R 24

Power ratings refer to engines equipped with air filter, standard muffler, after running-in period at ambient conditions of +25°C, relative humidity 30% and 1 bar.Power levels drop by 1% every 100 m altitude and by 2% every 5°C above +25°C.

N - Power curve - 80/1269/CE E-ISO 1585

NB - Power curve - ISO 3046/1 - IFN

NA - Power curve - ISO 3046/1 - ICXN

MB - Torque curve - (NB curve)

Quick specifics

CYLINDERS 3

MAX POWER kW (hp)@rpm

26.0 (34.8) @ 3000

MAX TORQUE Nm@rpm

102.0 @ 2000

KD626/3

Dimensions (mm)

DATA PERFORMANCE CURVES(IFN-ACCORDING TO ISO 3046 and ISO 14396)

1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200

kW HP

70

80

90

100

110

8

10

12

14

16

18

20

22

24

26

28

10.7

13.4

16.1

18.8

21.4

24.1

26.8

29.5

32.2

34.8

37.57.0

8.0

9.0

10.0

11.0

kgm Nm

r.p.m.

MB

NB

NA

484233

113237 770

108 150 122 122 203 65

592

129,526 295 78,5 89

292

180

435

495

400

275

30°30°30°

30°

30°30° 30° 30° 30

°30

°

20°40°

177

180

686

18

214

14

38130510

25

14

R120

201,

5

N.6

M10

X1,5

N.4M10X1,5

N.2

Ø10

484233

113237 770

108 150 122 122 203 65

592

129,526 295 78,5 89

292

180

435

495

400

275

30°30°30°

30°

30°

30° 30° 30° 30°

30°

20°40°

177

180

686

18

214

14

38130510

25

14

R120

201,

5

N.6

M10

X1,5

N.4M10X1,5

N.2

Ø10

484233

113237 770

108 150 122 122 203 65

592

129,526 295 78,5 89

292

180

435

495

400

275

30°30°30°

30°

30°

30° 30° 30° 30°

30°

20°40°

177

180

686

18

214

14

38130510

25

14

R120

201,

5

N.6

M10

X1,5

N.4M10X1,5

N.2

Ø10

(Power & torque NB curve - ISO 3046/1 - IFN)

KD-626/3 ECE R 24

Power ratings refer to engines equipped with air filter, standard muffler, after running-in period at ambient conditions of +25°C, relative humidity 30% and 1 bar.Power levels drop by 1% every 100 m altitude and by 2% every 5°C above +25°C.

NB - Power curve - ISO 3046/1 - IFN

NA - Power curve - ISO 3046/1 - ICXN

MB - Torque curve - (NB curve)

APPLICATION SPECS NOTE

A

L 1

D1D

2

L 2

B

KD-477/2

D1 (mm ) ≥ 220 [78 + L1(mm ) ]N (kW)

n ( rpm)D2 (mm) ≥ 196 [150 + L2 (mm)]

N (kW)

n ( rpm)

Max intermittent axial load in both directions A - B = 350 kg

Minimum pulley diameters for belt drive

D1

D2

L 2L 1

A B

KD-625/2

D1 (mm) ≥ 136 [162 + L1(mm ) ]N (kW)

n ( rpm)D2 (mm) ≥ 204 [260 + L2(mm)]

N (kW)

n ( rpm)

Max intermittent axial load in both directions A - B = 300 kg

Minimum pulley diameters for belt drive

D1

D2

L 2L 1

A B

KD-626/3

D1 (mm ) ≥ 100 [185 + L1(mm ) ]N (kW)

n ( rpm)D2 (mm) ≥ 113 [169 + L2(mm)]

N (kW)

n ( rpm)

Max intermittent axial load in both directions A - B = 300 kg

Minimum pulley diameters for belt drive

A

L 1

D1

D2

F 1

L 2

F 2

B

KD-330/2 ; KD-425/2

Minimum pulley diameters for belt drive

Max intermittent axial load in both directions A - B = 300 kg

330/2:

D1 (mm ) ≥ 700 [45 + L1(mm ) ]N (kW)

n ( rpm)D2 (mm) ≥ 1540 [17 + L2(mm)]

N (kW)

n ( rpm)

N (kW)

n ( rpm)

N (kW)

n ( rpm)

425/2:

D2 (mm) ≥ 1030 [31 + L2(mm)]D1 (mm ) ≥ 585 [49 + L1(mm ) ]

AVAILABLE FLANGES*

324

47

45°47

324

R.115

Ø325

Ø100

R403

R381

R105

407

222,25

30°

45°

S/16"-18 UNC-2B

M10 x 1,5 - 6H

50,842,8

1666

,7

R.12

M12X1,75-6H24

A

12

5

22

18 0,16

0,12

211

0,12

0,20

87±1

0,12 30,2±1 Ø14

0+0

,040

0 Ø

241,

3+0

,046

0

0,32

Ø36

1,95

KD

-625

/2K

D-6

25/2

KD

-626

/3K

D-6

26/3

Flange standard type Standard version

Flange standard type Standard version

Flange type B SAE 4, 7"1/2

n.8 holes M10x1.5

N.8 HOLES M10X1.5

7

195

8,516

Ø30

5Ø

300

Ø29

1Ø

190

Ø16

0Ø42

Ø32

Ø60

2

2018.5128

-0 0.0

30

+0 0.1

27

1ST C

YLIN

DER

AXI

S

71.4

114.830.2

1217.5

Ø40

3.3

Ø20

6

Ø36

1.95

+0,1

27 0

Ø24

1.3

+0,1

27 0

Ø52

-0 0.0

3

A

A

45° 45°

15°30°

30°30°

Ø381

Ø222.25

N.8 HOLES 5/16" 18 UNC 2B

N.12 HOLES3/8" 16 UNC 2B

Flange type B SAE 4, 7"1/2

N12 HOLES3/8-16 UNC - 2B

1ST C

YLIN

DER

AXI

S

ENGINE AXIS

N8 HOLES

N8 HOLES

400± 0,20

20°

40°

30°30°

177

180A

N.10 M.10x1,5Ø 365

N.8 M.10x1,545° Ø 105

180

Ø28

8

Ø15

0Ø30

Ø34

0

Ø14

0+0

,040

0

75

12

1666

,7

24

34

M10 X 1,5

0 +0,0

57ENGINE AXISENGINE AXIS

SEEN FROM "A" SIDE

N8 HOLES22 DEEP

SEEN FROM "A" SIDE

*Other flanges available on request *Other flanges available on request

AVAILABLE FLANGES*

60°

60°

44

44

16

16

15

15

8

8

37

37

13

13

8

8

136

136

4

4

15

15

18

18

Ø 4

4,5

Ø 4

4,5

Ø 1

05Ø

105

Ø 3

0Ø

30

Ø 1

4,5

Ø 1

4,5

M. 1

4 X

1,5

M. 1

4 X

1,5

4

4

136

136

Ø 135

Ø 135

Ø 1

05Ø

105

Ø44

,5Ø

44,5

I=33

I=33

55

5353 50

110

M 1

8X1,

5

95.2

6

R 90

55

53

90.5 90.5

53

A25

40 76.5

7.5

Ø24

4

Ø20

0Ø

184

116.5

6

29

A60

°

4

45°

22.5°

5

3

40

20

139

30

10

Ø 2

0

Ø 1

25

Ø 3

8

+0,0

5+0

,1

Ø21

5.9

+0,0

5+0

,1

Ø31

4+0,3

76+0

,425

0

-0,0

5

Ø 3

33.3

7

KD

-330

/2KD-425/2

KD-477/2

KD-477/2

Flange standard type Standard version Flange type crankshaft version

Flange standard type Standard version Flange type crankshaft version

Flange standard type Standard version

Flange type B SAE 5, 6" 1/2

EN

GIN

E A

XIS

TAPER 1:5

EN

GIN

E A

XIS

M.8

N°

4 H

OLE

S

M .8 N° 6 HOLES

EN

GIN

E A

XIS

M.8

N°

4 H

OLE

S

M .8 N° 6 HOLES

TAPER 1:5

EN

GIN

E A

XIS

M 10 N° 9 HOLES

FLYWHEEL AXIS

N°6 HOLESM8XI .25

N°8 HOLES

M10 X 1.5

EN

GIN

E A

XIS

TAPER 1:5

TECHNICAL SPECIFICATIONS

* With restrictions ** According to operating conditions ***-32°C on demand

Model KD-477/2 KD-625/2 KD-626/3

Engine specs

4 stroke air cooled diesel engine • • •

Direct injection • • •

Mechanical fuel lift pump • • •

Forced lubrication with oil pump • • •

Full flow oil filtration • • •

Torque regulator • • •

Centrifugal speed governor • • •

Crankcase in die-cast aluminum • • •

Electric starting • • •

Counter-clockwise rotation (from power take-off side) • • •

Aluminum alloy independent heads • • •

Indipendent cast iron cylinders • • •

Automatic extra fuel starting device • • •

Air cooled by fan • • •

Power take-off on crankshaft • - -

Power take off on Flywheel - • •

Technical features

Cylinder 2 2 3

Bore (mm) 90 95 95

Stroke (mm) 75 88 88

Engine displ (cm3) 954 1248 1870

Injection system DI DI DI

Compression ratio 19:1 17.5:1 17:1

Performance

Emission compliance ECE R 24 ECE R 24 ECE R 24

Rating (kW/HP)N (80/1269/CEE)ISO 1585NB ISO 3046 IFNNA ISO 3046 ICXN

16.8 /22.515.7 /21.014.5 /19.4

-18.8/25.216.8/22.5

-26.0/34.823.5/31.5

Max torque (Nm@rpm) 55.0@2100 67.0@2000 52.5@3000 102.0@2000

Min idling speed (rpm) 1000 1000÷1100 800-900

Fuel compatibility

EN 590 • • •

No 1 Diesel (US) - ASTM D 975-09 B - Grade 1-D S 15 • • •

No 1 Diesel (US) - ASTM D 975-09 B - Grade 1-D S 500 • • •

No 2 Diesel (US) - ASTM D 975-09 B - Grade 2-D S 15 • • •

No 2 Diesel (US) - ASTM D 975-09 B - Grade 2-D S 500 • • •

ARCTIC EN 590/ASTM D 975-09 B • • •

High Sulfur Fuel < 5000 ppm (< 0.5%) • • •

High Sulfur Fuel > 5000 ppm ( > 0.5%) • • •

Military NATO Fuels F34 - F35 - F44 - F63 - F64 - F65 * • • •

Military US Fuels JP5 - JP8 (AVTUR) * • • •

Civil Jet Fuels Jet A/ A1* • • •

Service features

Fuel tank capacity (l) 7 10 15

Oil sump capacity (l) 2.5 2.8 5

Oil consumption (kg/h) 0.011 0.013 0.017

Oil change interval std/synthetic (hr) 200 ** 250 ** 250 **

Oil filter change interval std/synthetic (hr) 200 ** 250 ** 250 **

Valve adjustement 300 250 500

Physical characteristics

H × L × W (fan excluded) (mm) 565×577×483 599×633×557 686×770×495

Dry weight (kg) 78 115 170

Daily service points - positions 1 side service 1 side service 1 side service

Ambient operating temps (°C) -10° +45° *** -10° +45° *** -10° +45° ***

Gradeability-all round (intermittent-30 min) (deg) 25° 25° 25°

Gradeability-all round (peak value-1min) (deg) 35° 35° 35°

Cap. of air required for correct combustion @3600 (l/min) 1500/1220 1600 (@3000) 2400 (@3000)

Cap. of air required for correct cooling @3600 (l/min) 15800/13200 26300 (@3000) 38000 (@3000)

Lubrication Oil type SAE 15 W-40 API CF4/SG ACEA B2/E2

SAE 10 W-40 API CF4/SG ACEA B2/E2

SAE 15 W-40 API CF4/SG ACEA B2/E2

TECHNICAL SPECIFICATIONS

* With restrictions ** According to operating conditions *** -32°C on demand

Model KD-330/2 KD-425/2

Engine specs

4 stroke air cooled diesel engine • •

Direct injection • •

Mechanical fuel lift pump • •

Forced lubrication with oil pump • •

Full flow oil filtration • •

Torque adapter • •

Centrifugal speed governor • •

Crankcase in die-cast aluminum • •

Electric starting • •

Counter-clockwise rotation (from power take-off side) • •

Aluminum alloy independent heads • •

Independent and replaceable cast iron cylinders • •

Automatic extra fuel starting device • •

Air cooled by fan • •

Power take-off on crankshaft • •

Power take off on Flywheel - -

Technical features

Cylinder 2 2

Bore (mm) 80 85

Stroke (mm) 65 75

Engine displ (cm3) 654 851

Injection system DI DI

Compression ratio 19:1 19:1

Performance

Emission compliance ECE R 24 ECE R 24 / EU STAGE V

US TIER 4 FINAL

Rating (kW/HP)NB ISO 3046 IFNNA ISO 3046 ICXN

12.0/16.110.0/13.4

13/17.411.8/15.8

12.2/16.3-

Max torque (Nm@rpm) 32.0@2400 40.0@2200 37.8@2200

Min idling speed (rpm) 1000 1000

Fuel compatibility

EN 590 • •

No 1 Diesel (US) - ASTM D 975-09 B - Grade 1-D S 15 • •

No 1 Diesel (US) - ASTM D 975-09 B - Grade 1-D S 500 • •

No 2 Diesel (US) - ASTM D 975-09 B - Grade 2-D S 15 • •

No 2 Diesel (US) - ASTM D 975-09 B - Grade 2-D S 500 • •

ARCTIC EN 590/ASTM D 975-09 B • •

High Sulfur Fuel < 5000 ppm (< 0.5%) • •

High Sulfur Fuel > 5000 ppm ( > 0.5%) • •

Military NATO Fuels F34 - F35 - F44 - F63 - F64 - F65 * • •

Military US Fuels JP5 - JP8 (AVTUR) * • •

Civil Jet Fuels Jet A/ A1* • •

Service features

Fuel tank capacity (l) 4 4

Oil sump capacity (l) 1.5 1.7

Oil consumption (kg/h) 0.007 0.0085

Oil change interval std/synthetic (hr) 250 ** 250 **

Oil filter change interval std/synthetic (hr) 250 ** 250 **

Valve adjustement 500 500

Physical characteristics

H × L × W (fan excluded) (mm) 485×485×438 503.5×485×464

Dry weight (kg) 60 63

Daily service points - positions 1 side service 1 side service

Ambient operating temps (°C) -5° +45° *** -5° +45° ***

Gradeability-all round (intermittent-30 min) (deg) 25° 25°

Gradeability-all round (peak value-1min) (deg) 35° 35°

Cap. of air required for correct combustion @3600 (l/min) 1050/875 1330/1110

Cap. of air required for correct cooling @3600 (l/min) 11700/9750 14200/11835

Lubrication Oil type SAE 15 W-40 API CF4/SG ACEA B2/E2

SAE 15 W-40 API CF4/SG ACEA B2/E2

KOHLERPOWER.IT Printed in Italy ED0035584920 Rev.07 10/18 ENG KOHLER CO.

For more information, contact your KOHLER source of supply.Kohler Co. reserves the right to make modifications without prior notice.