TM-9-2320-279-10-2
M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)
OPERATOR’S MANUAL VOLUME 2 OF 2
DECEMBER 1998
CHANGE 3
TM-9-2320-279-10-2 - Page 24 of 819
1-30.
TM 9-2320-279-10- 2
Equipment Differences and Technical Data (Cont)
Table 1-4. M984E1 Equipment Data (Cont)
Model
M984E1
M984E1
Item
PERFORMANCE (CONT)
Maximum Sustained Forward Speed (at 2100 rpm) - 2nd
Gear:
28 mph (45 kmh)
Maximum Sustained Forward Speed (at 2100 rpm) - 1st
Gear:
15 mph (24 kmh)
Speed on 3% Grade at GCWR:
25 mph (40 kmh)
Speed on 3% Grade at GVWR:
40 mph (64 kmh)
Speed on 30% Grade at GCWR:
3 mph (5 kmh)
Speed on 30% Grade at GVWR:
5 mph (8 kmh)
Maximum Grade at GCWR:
30 percent
Maximum Grade at GVWR:
60 percent
Maximum Side Slope w/Adequate Traction Surface:
30
percent
Maximum Towed Speed (Reference FM 20-22):
15 mph
(24 kmh)
Maximum Ford Depth:
48 in. (1 219 mm)
Approach Angle:
41 degrees
Departure Angle:
45 degrees
Limp Home Speed:
10 mph (16 kmh) for up to 30 miles
(48 km)
CAPACITIES
Engine Oil w/o Filters:
28 qt (26.5 L)
Engine Oil w/Filters:
30 qt (28.4 L)
Cooling System:
80 qt (76 L)
Transmission w/o Filter:
37 qt (35 L)
Transmission w/Filter:
38 qt (36 L)
Front Tandem - Front Axle (No. 1):
17.5 qt (16.5 L)
Front Tandem - Rear Axle (No. 2):
21.5 qt (20.3 L)
Rear Tandem - Front Axle (No. 3):
22 qt (20.8 L)
Rear Tandem - Rear Axle (No. 4):
17.5 qt (16.6 L)
Hydraulic Reservoir w/Filters:
120 qt (114 L)
Fuel Tank:
154 gal (583 L)
Transfer Case:
6.5 qt (6.15 L)
Windshield Washer Fluid:
2 qt (1.9 L)
Operating Modes:
On & off road
1-10
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