TM-9-2320-279-10-1
M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)
OPERATOR’S MANUAL VOLUME 1 OF 2
DECEMBER 1998
CHANGE 5
TM-9-2320-279-10-1 - Page 44 of 773
TM 9-2320-279-10-1
Equipment Differences and Technical Data (Cont)
1-12. EQUIPMENT DATA (CONT).
Table 1-2. Equipment Data (Cont)
Model
CAPACITIES (CONT)
Item
M977, M978, and
M985
M983
M984E1
Rear Tandem - Front Axle (No. 3):
21 qt (19.9 L)
24 qt (22.7 L)
22 qt (20.8 L)
Rear Tandem - Rear Axle (No.
4):
M977, M978, and
M985
M983
M984E1
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
16.5 qt (15.6 L)
15.5 qt (14.6 L)
17.5 qt (16.6 L)
Hydraulic Reservoir w/Filters: 120
qt (114 L)
Fuel Tank:
154 qt (583 L)
Transfer Case:
6.5 qt (6.15 L)
Windshield Washer Fluid:
2 qt (1.9 L)
Operating Mode:
On & off road
Operatlng Temperature w/o Arctic Kit:
-25° to 120°F
(-32° to 49°C)
Operating Temperature w/Arctic Kit:
-50° to 120°F
(-46° to 49°C)
ENGINE
Make:
Detroit Diesel Corporation
Model:
8V92TA
Type:
2-Stroke, V-type Diesel
Cylinders:
8
Bore:
4.84 in. (123 mm)
Stroke:
5 in. (127 mm)
Displacement:
736 cid (12 L)
Torque (at 2100 rpm):
l Model No. 8087-7899: 1250 lb-ft (1695 N•m) at 1300 rpm
l Model No. 8083-7493: 1330 lb-ft (1803 N•m) at 1200 rpm
Maximum Brake Horsepower (at 2100 rpm):
l Model No. 8087-7899: 445 BHP (332
kw)
l Model No. 8083-7493: 450 BHP (336 kw)
Maximum Governed Englne Speed - Loaded:
2050 - 2150 rpm
Maximum Governed Engine Speed - No Load:
2225 - 2275 rpm
Oil Filter Type:
Full flow, replaceable element
Oil Filter Quantity:
1
1-26
Change 5
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