TM-9-2320-429-10

TRUCK, TANK, 8X8, M978

TECHNICAL MANUAL; OPERATOR'S MANUAL

JUNE 2009
TM-9-2320-429-10

  TM-9-2320-429-10 - Page 99 of 1096

OPERATOR MAINTENANCE
EQUIPMENT CHARACTERISTICS, CAPABILITIES, AND FEATURES
EQUIPMENT CHARACTERISTICS
The M978 tanker is used in refueling missions.
EQUIPMENT CAPABILITIES
NOTE
Trailer/semitrailer may affect maximum fording depth. Refer to applicable
trailer/semitrailer operator manual for further information on fording depth
restrictions.
1. All models are capable of operating in temperatures from -25 to 120°F (-32 to 49°C)
and to -50 to 120°F (-46 to 49°C) with arctic kit installed.
2. All models can ford water up to 48 in. (1 219 mm) deep for 5 minutes without
damage or without requiring maintenance before operation can continue.
3. Normal operating range of all models is 300 miles (483 km), based upon 154 gallons
(583 L) of fuel and 100,000 lbs (45 400 kg) GCWR, traveling over mixed terrain.
Varying loads, prolonged idle, use of power takeoff (PTO), off-road driving, and
climatic conditions affect operating range.
4. All models are provided with sufficient tie down points located so vehicles can be
restrained in all directions during air transport in C-130, C-5A, and C-17 type
aircraft.
5. All models are also capable of being transported by highway, rail, and sea.
EQUIPMENT FEATURES
1. Detroit Diesel eight-cylinder, V-Type, 2-cycle, fuel injected, turbocharged diesel
engine.
2. Automatic transmission with one reverse speed and four forward speeds.
3. Operator controlled 4-wheel/8-wheel drive and high and low range transfer case
for positive traction in areas of unimproved road surfaces.
4. Power steering system consists of basic manual steering system with hydraulic
boost. Mechanical linkage also provides operator control in event of hydraulic oil
pressure loss.
5. Fuel system includes one fuel tank, fuel lines, fuel/water separator, fuel pump,
secondary filter, fuel pipes, and fuel injectors.
6. Two front and two rear towing eyes.
7. Manual-release-type rear pintle hook which will allow towing of a trailer.
8. Radio frequency interference suppression to permit voice radio communications
during all phases of operation.
TM 9-2320-429-10
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