Kohler KD 625/2 User manual

Relentless Power.

Legendary Performance.

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

Kohler®Diesel

Model KD625-2

Certication

EPA TIER 4

97/68/CE

ECE R 24

Features

4-Stroke Air-Cooled Diesel Engine

Direct Injection

Flywheel Fan Air Cooling

Mechanical Fuel Pump

Full-Pressure Lubrication with Gear Pump

Full Flow Oil Filter

Automatic Extra Fuel Starting Device

Variable Speed Governor

Aluminum Crankcase

12 V Electric Starter

Counter-Clockwise Rotation (From PTO Side)

Aluminum Alloy Independent Heads

Re-Borable Independent Cast-Iron Cylinders

Power Take-Oﬀ on Crankcase

Applications

Power Buggy

Vibrating Roller

Generator

Welder

High-Pressure Cleaner

Hydraulic Power Pack

Agricultural Pump

Two-Wheel Tractor

Stump Grinder

Chipper

PAGE: 1 OF 4

Kohler®Diesel

Model KD625-2

KohlerEngines.com

Specications

Cylinders

Displacement

Bore

Stroke

Compression Ratio

Rating kW/HP

Max. Torque

Max. Torque 3 P.T.O.

Counterclockwise Rotation

Engine Speed - 3 P.T.O. Ratio

Minimum Idling Speed R.P.M.

Fuel Tank Capacity

Oil Consumption

Oil Capacity

Min. Allowable Oil Pressure

Max. 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 Weight

Recommended Battery

Minimum Pulley Diameters for Belt Drive

No. of Cylinders 2

cc/cu. in. 1248/76.2

mm/in. 95/3.7

mm/in. 88/3.5

17.5:1

NB (80/1269/CEE) ISO 1585 18.8/25.2

NA ISO 3046 IFN 17.4/23.3

N·m/ft. lbs. @ 2000 RPM 75/55.3

N·m/ft. lbs. 30.0/22.1

1:1

1000-1100

liters/quarts 10/10.6

kg/h/lb/h 0.013/0.029

liters/quarts 2.8/2.6

bar/psi 1.5-2/21.8-29

25° (35°)

liters/min/cfm 1870/66

liters/min/cfm 26300/929

kg/lbs 110/242.5

V/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)

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 lbf

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

Kohler®Diesel

Model KD625-2

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 17.4

1800 13.5 12.0

1500 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

Kohler®Diesel

Model KD625-2

Technical Drawings

141.0/5.55 135.0/5.31

168.0/6.61

186.0/7.32 198.0/7.79

230.0/9.05

216.0/8.50

195.0/7.67 425.0/16.73

154.0/6.06 185.0/7.28

50.0/

1.96

75.0/

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

229.0/9.01

178.0/7.00

176.6/6.95 164.0/6.45

434.0/17.08

285.0/11.22

162.0/6.37 162.0/6.37

397.0/15.62

47.0/1.85

R115.0/

4.52

160.0/6.29 130.0/5.11

181.0/7.12

Ø100.0/3.93

Ø325.0/12.79

633.0/24.92

236.0/9.29 122.0/4.80 275.0/10.82

182.0/7.16

38.0/

1.49

36.0/1.41

5.0/0.19

14.0/0.55

94.0/3.70

21.0/0.82

8.0/0.31

52.0/

2.04

207.0/8.14

542.0/21.33

152.0/5.98

166.0/6.53 54.0/2.12

31.0/

1.22

R320.0/12.59

6.0/0.23 13.0/0.51

Ø120.0/4.72

Ø48.0/1.88

Ø60.0/2.36

10.0/0.39

20.0/0.78

Ø100.0/3.93

Ø179.742/7.076

Ø291.0/11.45

Ø190.0/7.48

Ø160.0/6.29.

Ø60.0/2.36

Standard Features

Electric Start with 12 V Starter Motor and Alternator

Manual Throttle Control (Fixed)

Oil Bath Air Filter with Cyclonic Preﬁlter

External Oil Filter

Oil Pressure Switch

Combined Manifold and Exhaust Muﬄer

Engine Feet

Power Take-Oﬀ on Flywheel

Keyswitch Panel

Fuel Lift Pump

Counter-Clockwise Rotation on Power Take-Oﬀ Side

Automatic Extra Fuel Device

Sound-Prooﬁng

Accessories

Diﬀerent Guards According to Use

Range of Alternators

Compression Release

Remote Air Filter

Cyclonic Air Preﬁlter

Range of Flywheels for Various Clutches

Hydraulic Pump Adapters

Range of Fuel Tanks of Various Sizes

Muﬄers and Exhaust Pipes

Controls

Pulleys

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