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 25 of 819
TM 9-2320-279-10-2
Equipment Differences and Technical Data (Cont)
Table 1-4. M984E1 Equipment Data (Cont)
Model
M984E1
M984E1
Item
CAPACITIES (CONT)
Operating 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:
P-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):
Model NO. 8087-7899: 1250 lb-ft (1 695 N•m) at 1300 rpm
Model No. 8083-7493: 1330 lb-ft (1803 N•m) at 1200 rpm
Maximum Brake Horsepower (at 2100 rpm):
Model No. 8087-7899: 445 BHP (332 kw)
Model No. 8083-7493: 450 BHP (336 kw)
Maximum Governed Engine 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
M984E1
FUEL SYSTEM
Type:
Diesel Injection
Tank Quantity:
1
M984E1
M984E1
Air Cleaner Type:
Dry element
Element Quantity:
(1 primary, 1 secondary)
COOLING SYSTEM
Radiator Working Pressure:
7 psi (48 kPa)
ELECTRICAL SYSTEM
Voltage:
24
Alternator (amps):
65
RFI Suppression Ability:
Yes
Number of Batteries:
4
Battery Voltage (each):
12 volts
Battery Connection:
Series - parallel
Battery Capacity (at 20 hour rate):
900 amp
Change 3
1-11
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