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 42 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
M977
M978
M983 w/ crane
M983 w/o crane
M984E1
M985
ALL except M984E1
M984E1
M983 W/ crane
M983 w/o crane
M977 w/ winch
M977 w/o winch
M978 W/ winch
M978 w/o winch
M983 W/ crane
M983 w/o crane
M984E1
M985 W/ winch
M985 w/o winch
ALL
M977 W/ winch
M977 w/o winch
M978 W/ winch
M978 w/o winch
M983 W/ crane
M983 w/o crane
M984E1
M985 W/ winch
M985 w/o winch
M977 through M983
M984E1
M985
1-24
Change 5
Item
WEIGHT (CONT)
Gross Vehicle Weight Rating:
59,500 lb (27 000 kg)
54,000 lb (24 500 kg)
54,400 lb (24 600 kg)
46,500 lb (21 000 kg)
72,300 lb (32 800 kg)
60,800 lb (27 500 kg)
Gross Combination Welght Rating:
100,000 lb (45 400 kg)
114,000 lb (51 700 kg) (Off-road, LO range, 30% maximum
grade)
114,000 lb (51 700 kg) (Primary or Secondary road, LO or HI
range, 7% maximum grade)
155,000 lb (70 370 kg) (Primary road, LO range)
WEIGHT DISTRIBUTION
Fifth Wheel Maximum Capacity:
15,000 lb (6 800 kg)
20,000 lb (9 100 kg)
Front Tandem Axles - Curb:
21,300 lb (9 650 kg)
20,900 lb (9 490 kg)
22,100 lb (10 010 kg)
21,800 lb (9 860 kg)
24,600 lb (11 170 kg)
21,800 lb (9 900 kg)
23,900 lb (10 800 kg)
20,900 lb (9 530 kg)
20,600 lb (9 370 kg)
Front Tandem Axles - Loaded:
30,000 lb (13 600 kg)
Rear Tandem Axles - Curb:
17,500 lb (7 950 kg)
17,000 lb (7 710 kg)
16,100 lb (7 290 kg)
15,500 lb (7 040 kg)
14,600 lb (6 630 kg)
10,400 lb (4 700 kg)
27,000 lb (12 300 kg)
18,700 lb (8 470 kg)
18,100 lb (8 230 kg)
Rear Tandem Axles - Loaded:
32,000 lb (14 500 kg)
65,000 lb (29 500 kg)
38,000 lb (17 200 kg)
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