Kohler® DieselNB Power Curve - ISO 3046/1 - IFN - NA Power Curve - ISO 3046/1 - ICXN - MN Torque Curve - (N curve) MB (B Curve - MA (A curve) C Specific Fuel Consumption - (NB curve)

Relentless Power.Legendary Performance. © 2008 by Kohler Co.

2 Cylinders » 1248 cc » 18.8 kW/25.2 HP » 3000 RPM » 55.3 ft. lbs. @2000 RPM

Kohler® DieselModel KD625-2

Certification EPA TIER 4 97/68/CE ECE R 24

Features4-Stroke Air-Cooled Diesel EngineDirect InjectionFlywheel Fan Air CoolingMechanical Fuel PumpFull-Pressure Lubrication with Gear PumpFull Flow Oil FilterAutomatic Extra Fuel Starting DeviceVariable Speed GovernorAluminum Crankcase12 V Electric StarterCounter-Clockwise Rotation (From PTO Side)Aluminum Alloy Independent HeadsRe-Borable Independent Cast-Iron CylindersPower Take-Off on Crankcase

ApplicationsPower Buggy

Vibrating RollerGenerator

WelderHigh-Pressure CleanerHydraulic Power Pack

Agricultural PumpTwo-Wheel Tractor

Stump GrinderChipper

PAGE: 1 OF 4


© 2008 by Kohler Co.KohlerEngines.com

SpecificationsCylindersDisplacementBoreStrokeCompression RatioRating kW/HP

Max. TorqueMax. Torque 3 P.T.O.Counterclockwise RotationEngine Speed - 3 P.T.O. RatioMinimum Idling Speed R.P.M.Fuel Tank CapacityOil ConsumptionOil CapacityMin. Allowable Oil PressureMax. Allowable Incline for Short Periods of Operation (Peak Values)Volume of Air Required for Correct Combustion @ 3000 R.P.M.Volume of Air Required for Correct Cooling @ 3000 R.P.M.Dry WeightRecommended BatteryMinimum Pulley Diameters for Belt Drive

No. of Cylinders 2cc/cu. in. 1248/76.2mm/in. 95/3.7mm/in. 88/3.5 17.5:1NB (80/1269/CEE) ISO 1585 18.8/25.2NA ISO 3046 IFN 17.4/23.3N·m/ft. lbs. @ 2000 RPM 75/55.3N·m/ft. lbs. 30.0/22.1

1:1 1000-1100liters/quarts 10/10.6kg/h/lb/h 0.013/0.029liters/quarts 2.8/2.6bar/psi 1.5-2/21.8-29 25° (35°)liters/min/cfm 1870/66liters/min/cfm 26300/929kg/lbs 110/242.5V/Ah 12/66

Sound Pressure Level dB (A)Sound Pressure Level Polar Diagram Open Field at 7 Meters - No Load Running Engine.

3000 RPM2500 RPM2000 RPM1500 RPM

dB (A)

70

75

80

85

D1

D1

PAGE: 2 OF 4

D1 (mm) ≥ 136 [162+L1 (mm)] N (kW) n (RPM)D2 (mm) ≥ 204 [260+L2 (mm)] N (kW) n (RPM)Max. allowable axial load in both directions A-B = 600 kg/1323 lb

f

HP kW Nm Kgm

g/kWh g/HPh

RPM

HP kW Nm Kgm

g/kWh g/HPh

RPM

HP kW Nm Kgm

g/kWh g/HPh

RPM

PAGE: 3 OF 4© 2008 by Kohler Co. KohlerEngines.com


N Power Curve - 80/1269/CEE - ISO 1585 -NB Power Curve - ISO 3046/1 - IFN -NA Power Curve - ISO 3046/1 - ICXN -MN Torque Curve - (N curve)MB (B Curve - MA (A curve)C Specific Fuel Consumption - (NB curve)

Curves

Engine Power kW

RPM Intermittent (NB) Continuous (NA)3000 18.8 17.41800 13.5 12.01500 10.7 9.7

Output Power for Fixed Speed Application (Including Generator Sets)

KD625-2 NR @ 3000 RPM KD625-2 B2 NR @ 2800 RPM

KD625-2 @ 3000 RPM

Relentless Power.Legendary Performance.

PAGE: 4 OF 4 KOHLER Co., Kohler, Wisconsin 53044 • Tel: 920-457-4441 800-544-2441 • Fax: 920-459-1570 • KohlerEngines.com

Form TP-2615 5/08 © 2008 by Kohler Co. Printed in U.S.A.


Technical Drawings

141.0/5.55 135.0/5.31168.0/6.61

186.0/7.32198.0/7.79

230.0/9.05216.0/8.50

195.0/7.67425.0/16.73

154.

0/6.

0618

5.0/

7.28

50.0

/1.

9675

.0/

2.95

R11.0/0.43

107.

0/4.

21

Ø23.0/0.90

Ø9.0/0.35

367.

0/14

.44

161.0/6.33

557.0/21.9

141.0/5.55

340.0/13.38

144.0/5.66

217.0/8.54

188.0/7.40

178.

0/7.

00

599.

0/23

.58

421.

0/16

.51

229.

0/9.

0117

8.0/

7.00

176.

6/6.

9516

4.0/

6.45

434.0/17.08

285.0/11.22

162.

0/6.

3716

2.0/

6.37

397.

0/15

.62

47.0/1.85

R115.0/

4.52

160.0/6.29 130.0/5.11

181.0/7.12Ø100.0/3.93

Ø325.0/12.79

633.0/24.92236.0/9.29 122.0/4.80 275.0/10.82

182.0/7.16

38.0/1.49

36.0/1.41

5.0/0.1914.0/0.55

94.0/3.7021.0/0.82

8.0/0.3152.0/2.04

207.0/8.14542.0/21.33

152.0/5.98166.0/6.53 54.0/2.12

31.0

/1.

22

R320.0/12.59

6.0/0.23 13.0/0.51

Ø12

0.0/

4.72

Ø48

.0/1

.88

Ø60

.0/2

.36

10.0/0.3920.0/0.78

Ø100.0/3.93

A

A

Ø17

9.74

2/7.

076

Ø29

1.0/

11.4

5Ø

190.

0/7.

48Ø

160.

0/6.

29.

Ø60

.0/2

.36

Standard FeaturesElectric Start with 12 V Starter Motor and AlternatorManual Throttle Control (Fixed)Oil Bath Air Filter with Cyclonic PrefilterExternal Oil FilterOil Pressure SwitchCombined Manifold and Exhaust MufflerEngine FeetPower Take-Off on FlywheelKeyswitch PanelFuel Lift PumpCounter-Clockwise Rotation on Power Take-Off SideAutomatic Extra Fuel DeviceSound-Proofing

AccessoriesDifferent Guards According to UseRange of AlternatorsCompression ReleaseRemote Air FilterCyclonic Air PrefilterRange of Flywheels for Various ClutchesHydraulic Pump AdaptersRange of Fuel Tanks of Various SizesMufflers and Exhaust PipesControlsPulleys

Documents

Kohler® DieselNB Power Curve - ISO 3046/1 - IFN - NA Power Curve - ISO 3046/1 - ICXN - MN Torque Curve - (N curve) MB (B Curve - MA (A curve) C Specific Fuel Consumption - (NB curve)