Kohler KD625-3 User manual

Relentless Power.

Legendary Performance.

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

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)

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

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 KD625-3

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: 920-457-4441

800-544-2441 • Fax: 920-459-1570 • KohlerEngines.com

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

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