Section II. EQUIPMENT DESCRIPTION DATA
Purpose, Capabilities and Features
Location and Description of Major
Differences Between Models
a. Purpose. The Semitrailer is a Supply and general cargo hauling trailer in various models.
.M127 Series - stake semitrailer (hauls breakbulk cargo)
. M128 Series - cargo van
. M129 Series - supply van
(1) Each semitrailer or chassis is to be towed by a 5-ton, 6X6 truck tractor M52 or similar vehicle
equipped with fifth wheel, air supply, and a 24-volt electrical system.
(2) If a 24-volt electrical system is not available, an alternate towing vehicle with a 12-volt electrical
system may be used.
c. Features (All Models).
(1) General Features of AlI Models.
Cross-country payload 24,000 Ibs at 20 mph.
Highway payload 24,000 Ibs at 50 mph.
Fifth wheel plate and king pin coupling.
Two rear axles on leaf-spring suspension.
Foot-type retractable landing legs, for front end support.
Spare tire on winch-type spare tire carrier.
Chock blocks for parking, chained to chassis.
Two float pads, for landing leg on soft ground.
Towing vehicle supplies brake air pressure and control of brakes.
Chassis frame welded into single integral unit.
(2) Semitrailer M127, M127A1, M17A1C and M127A2C Special Features.
12-ton, 4-wheel, stake semitrailer.
Stake pockets located on the outside of the side rails and on the front and rear crossmembers.
Thirteen sections of removable body panels; one on front, two on rear, and five on each side.
Clearance lights located on the front and back portion of each side of the semitrailer are
supplied with current and operated from the towing vehicle.
(e) Hardwood floor fastened directly to body frame.
(f) Tool box beneath body frame; left side of semitrailer.
(g) Equipped with rectangular paulin designed to cover areas enclosed by panels.
(3) Semitrailer M128A1, M128A1C and M128A2C Special Features.
(a) 12-ton 4-wheel, cargo van semitrailer.
(b) Used as a cargo carrier.
(c) Body does not have windows or ventilation openings other than ventilation fan.
(d) 12-volt and 24-volt electrical system.