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| MIL-T-46765(AT)
the wheels having traction when the opposite wheel loses traction. Maximum traction
capabilities shall be maintained at all times under each drive wheel for the life of the vehicle.
* 3.4.10 Wheels, rims, tires, and tubes. Unless otherwise specified, the vehicle shall be
equipped with single front and dual rear wheels. Rims and tire ratings shall conform to Tire and
Rim Association or European Tyre and Rim Technical Organisation recommendations, for the
type and size of tires furnished. Tire, rim, and disc wheel sizes shall be the same for all wheels
on each vehicle. Multi-piece rims shall not be furnished. When specified (see 6.2), the vehicle
shall be equipped with wide base type tires and wheels for the front and rear axle in lieu of single
front and dual rears. Wide base wheels shall be interchangeable without the use of an adapter.
When specified (see 6.2), 10 stud disc type wheels shall be furnished.
* 3.4.10.1 Tires. Tires shall be steel belted radial or, when specified (see 6.2), bias ply. Unless
otherwise specified, low profile or standard profile tires may be furnished. When specified
(see 6.2), low profile tires shall be furnished. Tires shall have highway tread. Tires shall be of
the tubeless type. Tires shall be of a rated capacity at least equal to the load imposed on each
tire, measured at each wheel at the ground, with the vehicle loaded to specified GVW. Tires
shall ccnform to Tire and Rim Association or to the European Tyre and Rim Technical
Organisation recommendations.
* 3.4.10.2 Carrier for spare tire assembly. When specified (see 6.2), a carrier for a spare
wheel or rim and tire assembly shall be installed in a readily accessible location on the vehicle.
Threaded fasteners, when used to secure the spare tire in the carrier, shall be constructed of or
plated with corrosion-resistant material. The carrier design shall enable removal or mounting of
the spare wheel assembly using only tools specified in 3.4.16.1. The carrier shall enable the safe
removal and installation of the spare tire assembly from and to the vehicle and carrier without
personnel positioning themselves or any part of their body under the spare tire assembly.
* 3.4.11 Brakes. Brakes shall conform to Federal Motor Carrier Safety Regulations 393.40
through 393.42, and 393.45 through 393.52. Brake lining shall be of nonasbestos material.
* 3.4.11.1 Service brakes. The vehicle shall be equipped with full-air brakes on all wheels.
The braking system, complete with all necessary components, shall include:
(a) Air compressor, unloader-head-type, engine driven and engine lubricated, air or water
cooled, and having a capacity of not less than 205 L/m (7.25 cubic feet per minute
(cfm)) for size 1200 trucks and 340 L/m (12 cfm) for size 2000 trucks
(b) Air storage reservoir(s), each tank equipped with drain, and with safety and check
valves between compressor and last reservoir tank
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