USED

Caterpillar 7155 Automatic Transmission

$600.00
Stock Number cat7155-trans
Design It is a 16-speed unit specifically built to handle heavy equipment and light-to-heavy transport duties in 400 HP Cummins-powered trucks.
Air Shift Mechanism Unlike traditional automatics, the Cat 7155 operates using an air-shifted control valve pack mounted on top of the transmission. It requires a clean, dry air supply to shift properly.
Clutch Design The transmission utilizes two clutch packs (one front, one rear) that disengage, shift gears using the air valve, and lock back up almost instantly.
Military Classification It is often identified under Military Part Number MA317-21020 and National Stock Number (NSN) 2520-01-082-8143.

The Caterpillar 7155 is a 16-speed hydraulic automatic (or power-shift) transmission. It is most notable for being the standard heavy-duty transmission used in the U.S. military’s M-915 through M-920 series of tactical tractor trucks (including the M-916 and M-920).

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