MIL-T-62320 Trucks, Van: Shop, Diesel And Gasoline Engine Driven, 19,000 Pounds Gvw, 4X2 And 4X4, CommercialThis specification covers diesel and gasoline engine driven, four-wheel, two-rear-wheel drive, and four-wheel, four-wheel drive, shop van trucks having a minimum gross vehicle weight GVW of 19,000 pounds for normal operating conditions. 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-62320C

3.1.1.6 Drive hubs. When specified for 4x4 model vehicles (see 6.2), manually operated drive hubs, for disengaging the front wheels from the power train, shall be provided, except for vehicles equipped with interaxle compensating devices between the front and rear axles

(see 3.4.5.1.2).

3.1.1.7 Trailer towing package. A trailer towing package consisting of a pintle, safety chain attachment devices, a lighting receptacle, a trailer brake control system and associated reinforcements and wiring shall be installed on the rear of the vehicle. The pintle shall be of the rotating type conforming to MS51335-1. The pintle shall be installed on the chassis frame with reinforcements to transfer a vertical tongue load of not less than 1,800 pounds and a horizontal drawbar load of not less than 18,000 pounds directly to the chassis rails. The rearmost portion of the pintle shall be forward, but not more than 4 inches forward, of the rearmost part of the vehicle. Two trailer safety chain attachment devices, one adjacent to each side of the pintle,

shall be provided. Each attachment device shall provide an ultimate strength at least equal to the GVW of the truck furnished. The attachment devices shall be capable of accommodating a standard grab hook (2-3/16 inches wide, 47/64 inch thick and 31/64-inch throat width) for a

3/8-inch chain. The lighting receptacle, conforming to SAE J560, with its conductors connected

and color-coded as specified therein, shall be mounted in a readily accessible location near the pintle. The trailer brake control system shall conform to 3.4.11.2.

* 3.1.1.8 Trailer lighting cable. When specified (see 6.2), a trailer lighting cable, conforming to SAE J1067, shall be furnished. The cable shall be coiled and shall be not less than 110 inches long when fully extended. Both ends of the cable shall be equipped with a round plug conforming to SAE J560. The plugs shall be equipped with a grip for withdrawing from the connector sockets. The cable shall be packaged and stowed in the vehicle tool compartment.

* 3.1.1.9 Electrical trailer brake controller. When specified (see 6.2), an electric trailer brake controller, shall be provided. The controller shall be installed in the truck cab and wired through the SAE J560 lighting receptacle. The controller shall operate on the 12-volt electrical system of the vehicle and shall include load control, hand lever, and accessories.

* 3.1.1.10 Wheel splash and stone throw protection. Rigid splash shields ahead of the rear wheels and rubber mud flaps to the rear of the rear wheels, shall be furnished. Tilt cabs shall have rubber mud flaps to the rear of the front wheels. A metal strip not less than 1/8 inch thick and not less than one inch wide, extending the entire width of the mud flap, shall be installed to prevent the bolt heads or bolt nuts from damaging the mud flap. As an alternate method of attaching the mud flaps, tabs or clips with minimum surface contact dimensions of 1 inch high by 1-1/4 inch wide by 3/32 inch thick shall be furnished at each bolt. All splash shield and mud flap installations, front and rear, shall conform to the rear wheel splash and stone throw protection provisions of SAE J682