MIL-T-62735 Trucks And Truck Tractors: Modified Commercial, General Specification ForThis specification covers general requirements for the classes, models and types of modified commercial trucks indicated in the specification title above and in 1.2 below. This specification is intended only as a document to be referenced in detail specification sheets that must, as a minimum, cover detailed truck body requirements and specify the model and class required from table I.

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MIL-T-62735

ratios which will permit proper gear splitting. The gear ratios shall provide the performance specified in 3.2.1 through 3.2.4.

3.3.13.7 Traction control. Dump trucks shall have traction control on one rear axle. When specified (see 6.2), other vehicle types, except truck tractors, shall have traction control on one rear axle.

3.3.14 Wheels, rime and tires. Unless wide base tires are specified, the vehicle shall have single front and dual rear wheels and tires. Multi-piece rims shall not be furnished, except:

(a) When tube type tires are specified in acquisition documents

(b) On front axles rated at over 6350 kg (14,000 pounds)

(d) On tandem rear axles rated at over 23 600 kg (52,000 pounds) (e) On pusher rear axles rated at over 10 430 kg (23,000 pounds).

Rims and disc wheel size, tire size and tire load range (ply rating) shall be the same for all wheels, except:

(a) On 4x2 models, class 32 and larger (b) On 6x4 models, class 50 and larger (c) On 6x6 models, class 60 and larger (d) On 8x4 models, class 75 and larger (e) On 8x6 models, class 75 and larger

(f) On 4x4 models when a snowplow or snowplow provisions are required

(g) On 6x6 models when a snowplow or snowplow provisions are required.

When specified (see 6.2), front and rear axles shall have wide base tires and wheels in lieu of conventional front and dual rear wheels and tires. Wide base wheels shall be interchangeable without the use of an adapter, except:

(a) On 4x2 and 4x4 models, class 32 and larger

(b) On 6x4, 6x6, 8x4 and 8x6 models, class 50 and larger.

When specified (see 6.2), wheels shall be of the disc type

3.3.14.1 Tire ratings. Except as specified in 3.1.7.1 and 3.1.7.2, tires shall be of 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. In addition, on 8x4 and 8x6 models up to class 76, with the pusher axle up, the tire load rating for each tire on the vehicle, at 32 km/h (20 mph), shall be at least equal to the load imposed, measured at each wheel, at the ground, with the vehicle loaded to specified GVW.