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<strong>Kohler</strong>® Diesel<br />
Model <strong>KD625</strong>-2<br />
2 Cylinders » 1248 cc » 18.8 kW/25.2 HP » 3000 RPM » 55.3 ft. lbs. @2000 RPM<br />
Certification<br />
EPA TIER 4<br />
97/68/CE<br />
ECE R 24<br />
Features<br />
4-Stroke Air-Cooled Diesel Engine<br />
Direct Injection<br />
Flywheel Fan Air Cooling<br />
Mechanical Fuel Pump<br />
Full-Pressure Lubrication with Gear Pump<br />
Full Flow Oil Filter<br />
Automatic Extra Fuel Starting Device<br />
Variable Speed Governor<br />
Aluminum Crankcase<br />
12 V Electric Starter<br />
Counter-Clockwise Rotation (From PTO Side)<br />
Aluminum Alloy Independent Heads<br />
Re-Borable Independent Cast-Iron Cylinders<br />
Power Take-Off on Crankcase<br />
Applications<br />
Power Buggy<br />
Vibrating Roller<br />
Generator<br />
Welder<br />
High-Pressure Cleaner<br />
Hydraulic Power Pack<br />
Agricultural Pump<br />
Two-Wheel Tractor<br />
Stump Grinder<br />
Chipper<br />
Relentless Power.<br />
Legendary Performance.<br />
PAGE: 1 OF 4<br />
© 2008 by <strong>Kohler</strong> Co.
<strong>Kohler</strong>® Diesel<br />
Model <strong>KD625</strong>-2<br />
Specifications<br />
Cylinders<br />
Displacement<br />
Bore<br />
Stroke<br />
Compression Ratio<br />
Rating kW/HP<br />
Max. Torque<br />
Max. Torque 3 P.T.O.<br />
Counterclockwise Rotation<br />
Engine Speed - 3 P.T.O. Ratio<br />
Minimum Idling Speed R.P.M.<br />
Fuel Tank Capacity<br />
Oil Consumption<br />
Oil Capacity<br />
Min. Allowable Oil Pressure<br />
Max. Allowable Incline for Short Periods of Operation (Peak Values)<br />
Volume of Air Required for Correct Combustion @ 3000 R.P.M.<br />
Volume of Air Required for Correct Cooling @ 3000 R.P.M.<br />
Dry Weight<br />
Recommended Battery<br />
Minimum Pulley Diameters for Belt Drive<br />
No. of Cylinders 2<br />
cc/cu. in. 1248/76.2<br />
mm/in. 95/3.7<br />
mm/in. 88/3.5<br />
17.5:1<br />
NB (80/1269/CEE) ISO 1585 18.8/25.2<br />
NA ISO 3046 IFN 17.4/23.3<br />
N·m/ft. lbs. @ 2000 RPM 75/55.3<br />
N·m/ft. lbs. 30.0/22.1<br />
1:1<br />
1000-1100<br />
liters/quarts 10/10.6<br />
kg/h/lb/h 0.013/0.029<br />
liters/quarts 2.8/2.6<br />
bar/psi 1.5-2/21.8-29<br />
25° (35°)<br />
liters/min/cfm 1870/66<br />
liters/min/cfm 26300/929<br />
kg/lbs 110/242.5<br />
V/Ah 12/66<br />
D1<br />
D1<br />
Sound Pressure Level dB (A)<br />
Sound Pressure Level Polar Diagram Open<br />
Field at 7 Meters - No Load Running Engine.<br />
dB (A)<br />
85<br />
80<br />
75<br />
70<br />
D 1 (mm) ≥ 136 [162+L1 (mm)] N (kW)<br />
n (RPM)<br />
D 2 (mm) ≥ 204 [260+L 2 (mm)] N (kW)<br />
n (RPM)<br />
Max. allowable axial load in both directions A-B = 600 kg/1323 lb f<br />
1500 RPM<br />
2000 RPM<br />
2500 RPM<br />
3000 RPM<br />
PAGE: 2 OF 4<br />
<strong>Kohler</strong><strong>Engines</strong>.com<br />
© 2008 by <strong>Kohler</strong> Co.
<strong>Kohler</strong>® Diesel<br />
Model <strong>KD625</strong>-2<br />
Curves<br />
<strong>KD625</strong>-2 NR @ 3000 RPM<br />
HP kW Nm Kgm<br />
<strong>KD625</strong>-2 B2 NR @ 2800 RPM<br />
HP kW Nm Kgm<br />
g/kWh g/HPh<br />
g/kWh g/HPh<br />
RPM<br />
RPM<br />
<strong>KD625</strong>-2 @ 3000 RPM<br />
HP kW Nm Kgm<br />
N Power Curve - 80/1269/CEE - ISO 1585 -<br />
NB Power Curve - ISO 3046/1 - IFN -<br />
NA Power Curve - ISO 3046/1 - ICXN -<br />
MN Torque Curve - (N curve)<br />
MB (B Curve - MA (A curve)<br />
C Specific Fuel Consumption - (NB curve)<br />
Output Power for Fixed Speed<br />
Application (Including Generator Sets)<br />
g/kWh g/HPh<br />
Engine Power kW<br />
RPM Intermittent (NB) Continuous (NA)<br />
3000 18.8 17.4<br />
1800 13.5 12.0<br />
1500 10.7 9.7<br />
RPM<br />
© 2008 by <strong>Kohler</strong> Co. <strong>Kohler</strong><strong>Engines</strong>.com<br />
PAGE: 3 OF 4
<strong>Kohler</strong>® Diesel<br />
Model <strong>KD625</strong>-2<br />
Technical Drawings<br />
217.0/8.54<br />
188.0/7.40<br />
557.0/21.9<br />
144.0/5.66<br />
340.0/13.38<br />
285.0/11.22<br />
434.0/17.08<br />
367.0/14.44<br />
154.0/6.06 185.0/7.28<br />
Ø9.0/<br />
0.35<br />
Ø23.0/<br />
0.90<br />
161.0/<br />
6.33<br />
107.0/<br />
4.21<br />
75.0/<br />
2.95<br />
50.0/<br />
1.96<br />
421.0/16.51<br />
178.0/7.00<br />
599.0/23.58<br />
229.0/9.01<br />
178.0/7.00<br />
176.6/6.95 164.0/6.45<br />
47.0/1.85<br />
R115.0/<br />
4.52<br />
162.0/6.37 162.0/6.37<br />
Ø325.0/12.79<br />
397.0/15.62<br />
141.0/5.55<br />
135.0/5.31<br />
168.0/6.61<br />
198.0/7.79<br />
186.0/7.32<br />
216.0/8.50<br />
195.0/7.67<br />
230.0/9.05<br />
425.0/16.73<br />
R11.0/<br />
0.43<br />
Standard Features<br />
Electric Start with 12 V Starter Motor and Alternator<br />
Manual Throttle Control (Fixed)<br />
Oil Bath Air Filter with Cyclonic Prefilter<br />
External Oil Filter<br />
Oil Pressure Switch<br />
Combined Manifold and Exhaust Muffler<br />
Engine Feet<br />
Power Take-Off on Flywheel<br />
Keyswitch Panel<br />
Fuel Lift Pump<br />
Counter-Clockwise Rotation on Power Take-Off Side<br />
Automatic Extra Fuel Device<br />
Sound-Proofing<br />
Accessories<br />
Different Guards According to Use<br />
Range of Alternators<br />
Compression Release<br />
Remote Air Filter<br />
Cyclonic Air Prefilter<br />
Range of Flywheels for Various Clutches<br />
Hydraulic Pump Adapters<br />
Range of Fuel Tanks of Various Sizes<br />
Mufflers and Exhaust Pipes<br />
Controls<br />
Pulleys<br />
Ø179.742/7.076<br />
Ø291.0/11.45<br />
Ø190.0/7.48<br />
Ø160.0/6.29.<br />
Ø60.0/2.36<br />
Ø100.0/3.93<br />
14.0/0.55<br />
21.0/0.82<br />
160.0/6.29 130.0/5.11<br />
181.0/7.12<br />
633.0/24.92<br />
236.0/9.29 122.0/4.80 275.0/10.82<br />
182.0/7.16<br />
5.0/0.19<br />
38.0/<br />
1.49<br />
52.0/<br />
8.0/0.31 2.04<br />
94.0/3.70<br />
36.0/1.41<br />
207.0/8.14<br />
542.0/21.33<br />
152.0/5.98<br />
166.0/6.53 54.0/2.12<br />
31.0/<br />
1.22<br />
A<br />
A<br />
R320.0/12.59<br />
20.0/0.78<br />
10.0/0.39<br />
Ø48.0/1.88<br />
Ø60.0/2.36<br />
Ø120.0/4.72<br />
6.0/0.23 13.0/0.51<br />
Ø100.0/3.93<br />
PAGE: 4 OF 4<br />
KOHLER Co., <strong>Kohler</strong>, Wisconsin 53044 • Tel: 920-457-4441<br />
800-544-2441 • Fax: 920-459-1570 • <strong>Kohler</strong><strong>Engines</strong>.com<br />
Form TP-2615 5/08 © 2008 by <strong>Kohler</strong> Co. Printed in U.S.A.<br />
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