MIL-T-62145 Trucks: Elevating Body, Diesel And Gasoline Engine Driven, 21,000 To 39,500 Pounds Gvw, 4X2 And 6X4, CommercialThis specification covers diesel and gasoline engine driven four-wheel, two-rear-wheel drive, and six-wheel, four-rear-wheel drive vehicles having minimum gross vehicle weights GVW of 21,000 to 39,500 pounds, for normal operating conditions. The vehicles are commercial trucks equipped with stake and platform or van bodies, capable of elevating the body and cargo to a specified height for loading and unloading the cargo into and out of aircraft. The vehicles procured under this specification are commercial items which shall be warranted by the manufacturer as specified in acquisition documents.

Pages 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 20 - 21 - 22 - 23 - 24 - 25 - 26 - 27 - 28 - 29 - 30 - 31 - 32 - 33 - 34 - 35 - 36 - 37 - 38 - 39 - 40 - 41 - 42 - 43 - 44 - 45 - 46 - 47 - 48 - 49

MIL-T-62145E

(see detail "A", figure 1). The plate shall be capable of withstanding on imposed load of not less than 4,000 pounds. The transition plate shall be manufactured in sections with locking edges to prevent spreading during loading, or otherwise manufactured to facilitate the handling of the plate.

3.7 Type II, van body. Type II van body shall have the minimum dimensions specified in table X. In addition to the requirements of 3.5 through 3.5.11, the body shall consist of an overhead cab platform with a roll-up front door to a van body interior and a roll-up rear door.

TABLE X. Type II dimensions (inches).

Designation

Vehicle class

Cab-to-trunnion

Length (inside)

Height (inside) (with roll-up doors)

Width (inside)

100

168

120

192

3.7.1 Body subframing. Body subframing shall be of all-steel welded construction, braced at all points of stress. There shall be not less than 12 full width crossmembers, including ends, of full channel or equivalent section, pressed steel construction, attached to longitudinal sills by welds, and at front, rear, and every second intervening crossmember by gussets. When subframing is by welded assembly, angle gussets, crossmembers, longitudinal sills, and welded reinforcement (when used) shall be joined by weld for not less than 50 percent of the length of

the contact edge(s). Spacing of crossmember shall be equal, ahead of, and to the rear of the wheels. Longitudinal sills shall be constructed of structural steel channel or structural I-beam or reinforced formed channels. Formed channel sills shall be reinforced within the sill, at each crossmember or body mounting point with formed channel reinforcements. Crossmembers, gussets, formed longitudinal sills, and reinforcements shall be not less than 10 gage

(0.1345 inch) steel. Side and front rails (out-rails) shall be not less than 12 gage (0.1046 inch)

steel. The design of the body subframe shall provide tire chain clearance and shall permit vehicle operation at speeds up to 58 mph over improved roads, when loaded to the required GVW, without evidence of permanent deformation.

3.7.2 Body framing. Side and front post construction shall be extruded aluminum and shall be not less than 1.26 inches in depth and 0. 430 pound per foot. Side and front wall posts shall be spaced on not more than 12-inch maximum centers. Front corner post construction shall be extruded aluminum and shall be not less than 1.0 inch in depth and 0.482 pound per foot. Rear corner posts shall be not less than 12 gage (0.1046 inch) steel.