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 660 of 773
TM 9-2320-279-10-1
Operators Maintenance (Cont)
M984E1 (when towing
another vehicle)
Standard Tire
Sand Tire
M985
Standard Tire
Sand Tire
Spare Tire
(all models)
Standard Tire
Sand Tire
Maximum Speed
(all models)
Standard Tire
Sand Tire
M984E1 (when towing
another vehicle)
Standard Tire
Sand Tire
Change 5
80 psi
(552 kPa)
80 psi
(552 kPa)
90 psi
(621 kPa)
100 psi
(690 kPa)
40 psi
(276 kPa)
NA
50 psi
(345 kPa)
NA
Cross
Cross
Highway
Sandy
Terrain
100 psi
100 psi
(690 kPa)
(690 kPa)
NA
NA
100 psi
(690 kPa)
100 psi
(690 kPa)
3-9.
SERVICE TIRES (CONT)
Table 3-3.
Tire Pressure
(Cont)
TIRE PRESSURES
Country-Dry
Country-Wet
40 psi
(276 kPa)
40 psi
(276 kPa)
100 psi
(690 kPa)
NA
100 psi
(690 kPa)
100 psi
(690 kPa)
Cross
Cross
Highway
Sandy
Countrv-Wet
Terrain
100 psi
100 psi
(690 kPa)
(690 kPa)
100psi
(690 kPa)
NA
OPERATING SPEEDS
Country-Dry
55mph
(88 kmh)
55mph
(88kmh)
40mph
(64 kmh)
NA
20mph
(32 kmh)
NA
20mph
(32 kmh)
20mph
(32kmh)
15mph
15mph
(24 kmh)*
(24kmh)
15mph
15mph
(24kmh)
(24kmh)
15 mph
(24 kmh)*
NA
15 mph
NA
(24 kmh)
Operation at speeds over 15 mph (24 kmh) on paved road
can be achieved when the operator determines that the ve-
hicle being towed and the terrain allow for safe operation.
Under no condition can speeds exceed 35 mph (55 kmh) on
paved roads and 15 mph (24 kmh) off paved roads.
3-62
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