TM-9-2320-283-20-1
TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, M915A1
TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE PART 1 OF 3
DECEMBER 1983
TM-9-2320-283-20-1 - Page 29 of 926
TM 9-2320-283-20-1
EQUIPMENT DESCRIPTION AND DATA.
1-10.
EQUIPMENT DATA (Continued).
DIMENSIONAL DATA (Continued)
Tread Width:
Front
......................................................................................................................................
78.40 in.
Rear
......................................................................................................................................
72.00 in.
Dual Tire Spacing 13.25 in.
Overall Length with M872 Trailer.
................................................................................................................................
55.00 ft
Angle of Approach
..............................................................................................................................................
38*
Minimum Turning Diameter (curb to curb) .
................................................................................................................ .
53.50 ft
Minimum Ground Clearance (under rear walking beam; empty) .
..............................................................................
10.40 in.
Fording Depth (maximum; hardbottom) .
.........................................................................................................................
20 in.
PERFORMANCE
Maximum Speed Forward (at 2,100 rpm-5th gear).
....................................................................................................
58 mph
Speed on 3.9% Grade
.......................................................................................................................................
25 mph
Maximum Grade
.............................................................................................................................................
19.9
Maximum Drawbar Pull (at 0.7 coefficient) .
............................................................................................................
20,541 lbs
Maximum Side Slope (with adequate tractive surface) .
...................................................................................................
10%
Make
....................................................................................................................................
Cummins
Model
..................................................................................................................
NTC-400 Big Cam III
Type
...............................................................................................................
4-Stroke, In-line Diesel
Displacement
......................................................................................................................................
855 CID
Compression Ratio
..........................................................................................................................................
14.0:1
Maximum Horsepower (at 2,100 rpm).
...............................................................................................................................
400
Maximum Torque (at 1,300 rpm).
............................................................................................................................
1,250 lb-ft
Lube Capacity
..........................................................................................................................................
44 qts
Governed Speed
...................................................................................................................................
2,100 rpm
Retarder (integral with engine):
Make
........................................................................................................................................
Jacobs
Model
..................................................................................................................................
30E Series
1-9
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