MIL-T-62110 Trucks, Maintenance: With Rotating Hydraulic Derrick, 32,000 To 44,500 Gvw, 4X2, 4X4, 6X4, And 6X6, CommercialThis specification covers maintenance trucks with a rotating and telescoping hydraulic derrick. Vehicles procured under this specification are commercial items which are warranted by the manufacturer as specified in acquisition documents.

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MIL-T-62110G

* 3.2.8 Overall width. The overall width of the vehicle, exclusive of tires and safety related items such as mirrors, lights and reflectors shall be not more than 96 inches. The width over the tires shall be not more than 100 inches.

3.2.9 Accessibility. The design of the vehicle and optional equipment shall permit access for routine servicing and shall permit access for replacement and adjustment of component parts and accessories with minimal disturbance of other components and systems.

* 3.2.10 Asbestos. Except as permitted in 3.4.11, asbestos materials shall not be used in any form in any part of the vehicle.

3.3 Performance.

3.3.1 Speeds. High and low speed requirements shall be met with the vehicle loaded to required GVW. For model 4x4 and model 6x6 vehicles, performance requirements shall be met with the front wheel drive disengaged; except that when equipped with interaxle compensating devices, the vehicle shall meet the performance requirements with the front wheel drive engaged.

* 3.3.1.1 High speed gradeability. The vehicle shall ascend a 1.0 percent grade at 50 miles per hour (mph). Gradeability requirements shall be met with the main transmission in direct drive, and when a multispeed axle or auxiliary transmission is furnished, with the axle or auxiliary transmission in high speed range. Gradeability shall be verified with calculations in accordance with SAE J688 (see 6.3).

3.3.1.2 Low speed. Low speed for vehicles with a manual transmission shall be calculated with the engine operating at not less than 35 percent of the recommended governed speed, and shall provide a vehicle speed of not more than 3 mph.

* 3.3.1.3 Maximum geared speed. The maximum geared speed at engine governed speed shall be not less than 52 mph for model 4x4 and 6x6 vehicles and not less than 58 mph for model

4x2 and 6x4 vehicles. Conformance to geared speed specified shall be determined by calculating in accordance with the following formula:

Maximum geared speed (mph)= Governed speed (rpm) Total gear reduction x tire factor (see 6.3).

3.3.2 Service brakes. The service brakes shall control and hold the vehicle on a

30 percent grade when loaded to its specified GVW. The service brakes shall stop the vehicle,

loaded to specified GVW, within the stopping distance requirements of Federal Motor Carrier

Safety Regulation 393.52.