SECTION II. EQUIPMENT DESCRIPTION AND DATA (Con't)
1-8. EQUIPMENT CHARACTERISTICS, CAPABILITIES, AND FEATURES (Con't).
d. TIRE TREAD TYPES HIGHWAY TIRES (CON'T).
(7) Trailer Tires. These tires are
designed to be used on trailers only and are
available in a variety of sizes and load carrying
capacities. Low platform trailer tires used by the
military and some commercial applications are
usually designed to carry a very heavy load. Most
trailer tires are designed for highway use and have
a regular rib tread to reduce rolling resistance
(8) Truck/Bus Front Steer Tires.
Truck/Bus front tires are usually medium size,
standard construction, and rib tread like those used
on medium and heavy commercial trucks. A rib
tread tire design is used on front axles of trucks for
ease of steering when traction is not important.
(9) Truck/Bus Drive Axle Tires.
Truck/Bus rear tires are usually standard
construction with more aggressive lug treads. The
lug tread design provide important driving traction
for drive axles.
e. TIRE TREAD TYPES OFF
ROAD/LOW SPEED TIRES.
(1) Earthmover Tires. Earthmover tires
are large tires of standard construction like those
used on commercial vehicles for off-road service.
This tread is considered non-directional, similar to
the tread on rock service tires. The earthmover
tread may also be directional, similar to grader
TRUCK/BUS DRIVE AXLE TIRE
TRAILER OR TRUCK STEER TIRE
NON-DIRECTIONAL TREAD TIRE