CHASSIS FRAME AND BODY FRAME.
Constructed of steel. It includes the
welded upper fifth wheel plate and king-
pin. The M128 and M129 van body
mounts on it, or it accepts stake and
panels on the M127 series semitrailer,
Eight tie-down eyes are welded to frame
to secure semitrailer during shipment.
A hardwood floor fastens directly to
the body frame.
STAKE AND PANELS (M127 SERIES).
Forms a solid wall 48 inches high to
retain cargo. The panels are made up of
thirteen removable sections; one on front,
two on the rear and five on each side.
REAR AXLE. The semitrailers have two
tubular axles. Consists of the suspension
system, brake system, axles and tires.
Figure 1-13. Semitrailer, stake, M127,
right rear view
VAN BODY (M128 AND M129 SERIES).
Has two doors in rear. Stepladder hangs
on left door. M129 series has windows.
LANDING LEG. Manually extended
when semitrailer is unhooked from
towing vehicle and manually retracted
when the truck tractor is hooked up.
KINGPIN. Connects the semitrailer
to the fifth wheel of the truck tractor.
SPARE WHEEL AND TIRE. Can be
lowered or raised by using the spare
tire carrier operating shaft.
SERVICE LIGHTS. Contain running,
back-up, stop, blackout, turn signals
and clearance lights on M128 and M129
series. The M127 series contain service,
tail and stop, blackout taillights and
MUD FLAPS. Keeps mud, water,
rocks from being splashed off the
rear tires during rainy weather or when
traveling unimproved roads.