MIL-T-46765 Trucks, Tank: Sewage And Waste, Dump Type, 4550 And 7570 Liter 1200 And 2000 Gallon, Modified CommercialThis specification covers diesel and gasoline engine driven trucks equipped with a hydraulic lift dump tank, an auxiliary engine driven centrifugal pump, and associated hoses and equipment for loading and unloading the dump tank with sewage and waste materials. The vehicle is capable of cleaning sewers, septic tanks, catch basins, manholes, and sludge pits. The trucks have minimum gross vehicle weights GVW of 11 350 kilograms kg 25,000 pounds in a four wheel, two wheel drive 4x2, 4550 liter L 1200 gallon size; and 15 650 kg 34,500 pounds in a six wheel, four wheel drive 6x4, 7570 L 2000 gallon size; for normal rating 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-46765(AT)

* 3.1.1.4 Towing devices. Towing devices consisting of two hooks, loops, eyes or pins or the chassis manufacturer's standard single center mounted eye or pin shall be mounted on the front of the vehicle. When specified (see 6.2), in addition, not less than two hooks, loops or pins for towing the vehicle shall be furnished on the rear of the vehicle. All towing devices shall be frame rail mounted or reinforced back to each frame rail.

* 3.1.1.5 Wheel splash and stone throw protection. The truck shall have rigid splash shields ahead of the rear wheels and rubber mud flaps to the rear of the rear wheels. All tilt cabs shall have rubber mud flaps to the rear of the front wheels. A metal strip not less than 3.2 millimeters (mm) (0.125 inch) thick and not less than 25 mm (1 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 25 mm (1 inch) high by 32 mm (1.250 inch) wide by 2.4 mm (0.094 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.

3.1.1.6 Trailer towing package. When specified (see 6.2), a trailer towing package shall be furnished. The trailer towing package shall consist of a pintle, safety chain attachment devices, a lighting receptacle, a trailer brake control system, and associated reinforcement and wiring, and shall be installed on the rear of the vehicle. The pintle shall be of the rotating type conforming to MS 51118. The pintle shall be installed on the chassis frame with reinforcements to transfer a vertical tongue load of not less than 1815 kg (4,000 pounds) and a horizontal drawbar load of

not less than 178 kilonewtons (kN) (40,000 pounds) directly to the chassis rails. The rearmost portion of the pintle shall be forward, but not more than 100 mm (four 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 [116 mm (4-9/16 inches) wide, 30 mm (1-3/16 inches) thick, 19.8 mm (23/32-inch) throat width)] for a 16 mm (5/8-inch) chain. The lighting

receptacle, conforming to SAE J560 with its conductors connected and color-coded as specified

herein, or number codes, shall be mounted in a readily accessible location near the pintle. The trailer brake control system shall conform to 3.4.11.2.

3.2 General design.

3.2.1 Federal Motor Vehicle Safety Standards. The vehicle and furnished accessories shall comply with all Federal Motor Vehicle Safety Standards in effect on the date of manufacture.