TM-9-2320-260-10
TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)
TECHNICAL MANUAL; OPERATOR'S MANUAL
JUNE 1985
TM-9-2320-260-10 - Page 32 of 411
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TM 9-2320-260-10
a. Purpose of the Vehicle.
The M819 tractor wrecker truck has a hydraulically-powered, engine-
driven crane, a front winch equipped with a level winding device, and a fifth wheel for pulling a trailer.
The crane, which can be extended from 11-1/2 to 26 feet (3.51 to 9.93 meters), is used for lifting loads
up to 20,000 pounds (9,080 kilograms). the vehicle is used for freeing mired vehicles, lifting materials
for loading and unloading operations, and for towing trailers.
b. Performance.
The M819 tractor wrecker truck has a hydraulically-operated crane with three
position booms, capable of 270 degrees rotation and approximately 45 degree elevation. Afifth wheel,
or semitrailer coupler, is mounted on rear of M819 tractor wrecker truck. The base of the fifth wheel
pivots on a walking beam which pivots on the subbase. This constructions permits the fifth wheel to
move in all planes. The front winch is used to free vehicle should it become mired.
c.
Deleted
1-15. TRACTOR WRECKER TRUCK W/W: M819
TRACTOR WRECKER TRUCK (M819)
(LEFT FRONT VIEW)
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