Kohler KD625-3 User manual

Relentless Power.
Legendary Performance.
© 2008 by Kohler Co.
3 Cylinders »1870 cc » 27.5 kW/36.9 HP »3000 RPM »55.3 ft. lbs. @2000 RPM
Kohler®Diesel
Model KD625-3
Certication
EPA Interim TIER 4
97/68/CE
ECE R 24-03
Features
4-Stroke Air-Cooled Diesel Engine
Direct Injection
Belt-Driven Blower
Mechanical Fuel Pump
Full-Pressure Lubrication with Gear Pump
Full Flow Oil Filter
Automatic Extra Fuel Starting Device
Variable Speed Governor
Aluminium 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 Flywheel
Oil Cooler
Applications
Power Buggy
Vibrating Roller
Generator
Welder
High-Pressure Cleaner
Hydraulic Power Pack
Agricultural Pump
Two-Wheel Tractor
PAGE: 1 OF 4

Kohler®Diesel
Model KD625-3
© 2008 by Kohler Co.
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 Angle 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
Axial Load (continuous)
(intermittent)
Minimum Pulley Diameters for Belt Drive
No. of Cylinders 3
cc/cu. in. 1870/114.1
mm/in. 95/3.7
mm/in. 88/3.5
17:1
N (80/1269/CEE) ISO 1585 27.5/36.9
NB ISO 3046 IFN 25.4/34.1
NA ISO 3046 ICXN 24/32.2
N·m/ft. lbs. @ 2000 RPM 115/84.8
N·m/ft. lbs. 39/28.8
1:1.06
800-900
liters/quarts 15/15.9
kg/h/lb/h 0.017/0.037
liters/quarts 5/5.3
bar/psi 1.5/21.8
25° (35°)
liters/min/cfm 2400/85
liters/min/cfm 38000/1342
kg 170/374.8
V/Ah 12/66
kg/lbf 300/661
kg/lbf 600/1323
Sound Pressure Level dB (A)
Sound Pressure Level Polar Diagram
Open Field at 7 Meters - No Load
Running Engine.
PAGE: 2 OF 4
3000 RPM2500 RPM2000 RPM1500 RPM
dB (A)
90
80
70
D1(mm) ≥ 100 [185+L1 (mm)] N (kW)
n (RPM)
D2(mm) ≥ 110 [169+L2(mm)] N (kW)
n (RPM)
Max. allowable axial load in both directions A-B = 600 kg/1323 lbf
A
D1
L1
D
2
L2
B

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 KD625-3
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 26.3 24.0
1800 20.0 18.0
1500 16.7 14.7
Output Power for Fixed Speed
Application (Including Generator Sets)
KD625-3 NR @ 3000 RPM KD625-3 B2 NR @ 2800 RPM
KD625-3 @ 3000 RPM

Relentless Power.
Legendary Performance.
PAGE: 4 OF 4 KOHLER Co., Kohler, Wisconsin 53044 • Tel: [phone]
800-544-2441 • Fax: [phone] • KohlerEngines.com
Form TP-2616 5/08 © 2008 by Kohler Co. Printed in U.S.A.
Kohler®Diesel
Model KD625-3
Technical Drawings
Standard Equipment
12 V Electric Start and Alternator
Manual Throttle Control (Fixed)
Oil Bath Air Filter w/Precleaner
External Fuel Filter
External Oil Filter
Oil Pressure Switch
Exhaust Manifold and 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
Oil Cooler
Sound-Proofing
Guard for Belt
Group 5 Interchange Housing
Flat Face Flywheel
Accessories
Different Guards According to Use
Flanges
Remote Air Filter
Range of Flywheels for Various Clutches
Hydraulic Pump Adapters
15 L Fuel Tank
Cable-Operated Throttle and Stop
Controls (Cable Not Supplied)
Extended Wiring Harness
Glow Plug in Intake Manifold
Cylinder Head Temperature Sensor
Various Shaft Extensions
Various SAE Housings and Flywheels
Outboard Bearing Support