ARMY TM 9-2815-257-24
AIR FORCE TO 38G1-128-2
MARINE CORPS TM 10155A/2815-24/3
1-7
d. Engine cooling is provided by a flywheel fan (12) connected to the crankshaft (10). The fan forces air
over the cylinder fins and engine components. The fan is completely guarded by a cover to prevent inadvertent
contact during operation.
1-13. EQUIPMENT DATA.
Refer to Table 1-2, Equipment Data, for a summary of specific capabilities, limitations, and critical data
for maintenance of the engine assembly.
Table 1-2. Equipment Data
WEIGHTS AND DIMENSIONS
Weight
86.0 pounds (39.0 kilograms)
Length
15.08 inches (38.3 centimeters)
Width
16.58 inches (42.1 centimeters)
Height
17.72 inches (45.0 centimeters)
GENERAL SPECIFICATIONS
Horsepower
6.7 horsepower (at 3600 rpm)
Operating RPM
3000 to 3600 RPM
Engine cooling system
Forced air cooling
Oil requirements:
MIL-L-46167, OEA
-25
F to +40
F (-31
C to +5
C)
MIL-L-2104, OE/HDO-15/40
+5
F to +120
F (-15
C to +49
C)
MIL-L-2104, OE/HDO-10
-15
F to +40
F (-26
C to +5
C)
MIL-L-2104, OE/HDO-30
+15
F to +90
F (-9
C to +32
C)
MIL-L-2104, OE/HDO-40
+30
F to +120
F (-1
C to +49
C)
Oil capacity:
Engine
1.2 quarts (1.1 liters)
Oil consumption rate (at rated load)
0.04 ounces (1.18 milliliters) per hour
Compression ratio
19.5
Bore x stroke
3.07 x 2.44 inches (78 x 62 millimeters)
Cylinder
One
Displacement
18.1 in3 (296 cm3)
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