MIL-T-2452 Trucks, Refuse Collection: Compaction Type, Rear Hopper Loading, With Tilt Cab, Diesel And Gasoline Engine Driven, 19,000 To 44,500 Pounds Gvw, 4X2 And 6X4, 10 To 25 Yard, CommercialThis specification covers diesel gasoline engine driven, 4-wheel, 2-rear wheel drive and 6-wheel, 4-rear wheel drive, commercial, compaction type, refuse collection trucks having a minimum gross vehicle weight GVW 19,000 to 44,500 pounds. The bodies shall be of 10- through 25-cubic yard minimum rated capacities with rear hopper loading. Vehicles procured under this specification are commercial items which shall be warranted by the manufacturer as specified in acquisition documents.

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MIL-T-2452J

not less than four forward gear ratios without movement of the selector. The transmission shall be provided with SAE J704 power takeoff opening(s). A hydraulic retarder shall not be used. If integral with the transmission, the hydraulic retarder shall be disconnected.

3.4.5.1 Power takeoff. The power takeoff shall be of a rated capacity to operate powered equipment. Controls to operate the power takeoff shall be located in the truck cab accessible to the seated driver. A caution plate or decal reading "DO NOT DRIVE VEHICLE WITH

POWER TAKEOFF ENGAGED" shall be provided and installed so as to be readily visible to the seated driver. An air actuated power takeoff shall be furnished for all vehicles except vehicles equipped with power hydraulic brakes.

3.4.6 Driveline components. Driveline components shall be adequate to transmit the maximum delivered torque on the engine as developed through the maximum gear train reduction.

3.4.7 Frame. The chassis frame shall be the manufacturer's standard reinforced frame, or a heavy duty frame, for the type and class vehicle furnished. The reinforced frame shall have frame reinforcement extended at least from the rear of the front suspension, rear hanger bracket

to the front of the rear spring for 4x2 vehicles and to the bogie trunnion mounting bracket for 6x4

vehicles. Reinforcement in the form of fishplating is not acceptable. Both the reinforced frame and the heavy duty frame shall have sufficient resisting bending moment to provide the structural strength required to at least equal the loads imposed with the vehicle loaded to provide specified GVW.

3.4.8 Suspension. The vehicle shall be equipped with a suspension system having a rated capacity at least equal to the load imposed on each member, measured at the ground, with the vehicle loaded to the specified GVW. When the suspension capacity is rated at the spring pads, unsprung weight shall be deducted. Vehicles with a front axle rating of 12,000 pounds or less shall be equipped with hydraulic double-acting shock absorbers at the front wheels.

* 3.4.9 Axles. Axle ratings shall be at least equal to the load imposed on each axle, measured at the ground, when the vehicle is loaded to its specified GVW. Axle gear ratios shall provide the performance specified in 3.3.1. When specified (see 6.2), the wheel bearings and axle spindles shall be oil lubricated. The hubcaps shall have a window for visual determination

of oil level. Provisions for venting or withstanding internal pressure buildup and for replenishing

the oil supply shall be provided.