Specifications
Cylinders
Displacement
Bore
Stroke
Compression Ratio
Rating kW/hp
Maximum Torque
Minimum Idling Speed rpm
Fuel Tank Capacity
Oil Consumption
Oil Sump Capacity
Minimum Allowable Oil Pressure
Maximum Allowable Angle of Operation (Peak Values)
Volume of Air Required for Correct Combustion @ 3600 rpm
Volume of Air Required for Correct Cooling @ 3600 rpm
Dry Weight
Recommended Minimum Battery Size
Minimum Pulley Diameters for Belt Drive
No. of Cylinders
1
cc/cu in
442/27
mm/in
86/3.4
mm/in
76/3.0
20.3:1
N (80/1269/CEE) ISO 1585
7.3/9.8
NB ISO 3046 IFN
7.0/9.3
NA ISO 3046 ICXN
6.4/8.6
Nm/ft lbs @ 2200 rpm
23/17
950-1000
liters/quarts
5/5.3
kg/h/lb/h
0.0044/0.0097
liters/quarts
1.5/1.6
bar/psi
1-1.5/14.5-21.8
25° (35°)
liters/min/cfm
580/20
liters/min/cfm
5500/194
kg/lb
45/99.1
V/CCA Standard, Heavy-Duty
12/420, 510
D
1
(mm)
≥
620 [66+L
2
(mm)]
N (kW)
n (rpm)
D
2
(mm)
≥
650 [53+L
1
(mm)]
N (kW)
n (rpm)
Maximum Allowable Axial Load in Both Directions
A-B = 200 kg/441 lb
f
Sound Pressure Level dBA
Sound Pressure Level Polar Diagram
Open Field at 7 Meters – No Load
Running Engine
KOHLER
®
Diesel
Model KD420
2 of 4
KohlerEngines.com
© 2010 by Kohler Co.
3600 rpm
3000 rpm
2000 rpm
1000 rpm
dBA
65
70
80
