Lesson 2
FIGURE 27. M911 TRACTOR TRUCK.
COMMERCIAL HEAVY EQUIPMENT TRANSPORTER
The M911, 8x6, tractor truck, commercial, heavy equipment transporter (C-HET) is the prime
mover for use with the M747 semitrailer. It is designed for primary and limited secondary road
use. It is powered by a V-8, turbocharged, diesel engine with a five-speed automatic transmission
and two-speed auxiliary transmission. It has hydraulic-assist power steering and an air-operated
brake system. It is equipped with two winches for loading and off-loading equipment. With the
M747, it is capable of hauling up to 60 tons.
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