MIL-T-740 Trucks; 5 Ton, 6X6, Military Design, M39, M39A1, M39A2 And M809 SeriesThis specification covers general and special purpose 5 ton, gasoline, multi-fuel, and diesel engine powered, six-wheel, six-wheel drive, military design truck chassis, trucks, and truck tractors having single front and dual rear wheels.

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MIL-T-740G

attachments and load binders shall be provided to secure the trailer on the truck in the carrying position. The trailer load binders shall be positioned diagonally to prevent shifting of the trailer when subjected to travel over cross-country terrain. Provision shall be made for storing the ramps and the trailer tie-down accessories while in transit, both with and without trailer. No part of the ramps or the accessories shall exceed the width of the truck in their stored position.

3.4.14 Truck stake, bridge transporting, M328A1, w/winch. M328A2 w/winch and

M821 w/winch. The truck, stake, bridge transporting M328A1 w/w M328A2 w/w and M821 w/w consisting of a body, stake, bridge transporting, mounted on an M139A1 w/w M139A2 w/w and M812 w/w truck chassis shall meet all requirements of this specification.

3.4.14.1 Body, stake, bridge transporting. The body stake bridge transporting, shall be constructed as shown on drawings (see 6.6).

3.4.14.1.1 Front bulkhead opening grill. The opening in the front bulkhead shall be guarded by a removeable, expanded-metal grill. The grill shall be installed on the rear of the bulkhead and the dimensions and location shall be as shown in Figure 1. The grill shall be fabricated of unflattened, carbon steel expanded metal of commercial style designation 3/4 inches, number 9. Framing of the grill shall be fabricated of flat steel, 1/4 by 3 inches, to provide a bearing surface for the fasteners. The expanded metal shall be welded to the frame. The grill shall be fastened

to the bulkhead by use of six 1/2-inch UNC bolts with lock washers. The nuts shall be secured

by welding or similar means to the front side of the headsheet.

3.4.14.1.2 Floodlights. Floodlight shall be mounted as shown on the drawings. The light shall be of the two-wire type (live and ground wires). When the body is mounted, the grounding wire terminal shall be attached to the truck chassis by means of bolt, star washer, and nut. Each light shall operate satisfactorily without the wire leads becoming taut when either or both lights are in the fully extended position.

3.4.14.1.3 Controls. The body controls shall control and operate the various systems without malfunction throughout the ranges of operation for the M328A1, M328A2, and M821 w/w truck.