Kohler KD 625/2 User manual
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®Diesel
Model KD625-2
Certication
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
© 2008 by Kohler Co.
KohlerEngines.com
Specications
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)
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 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
© 2008 by Kohler Co. KohlerEngines.com
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
Form TP-2615 5/08 © 2008 by Kohler Co. Printed in U.S.A.
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
A
A
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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