MIL-T-62032 Trucks, Tank: Fuel Servicing And Aircraft Fuel Servicing, 1,000 To 4,000 Gallon, Diesel And Gasoline Engine Driven, 16,000 To 50,000 Pounds Gvw, 4X2, 4X4, 6X4, And 6X6, Modified CommercialThis specification covers diesel and gasoline engine driven, four-wheel, two- or four-wheel drive, and six-wheel, four- or six-wheel drive, single or dual delivery fuel servicing and aircraft fuel servicing tank trucks, with product capacities from 1,000 to 4,000 gallons, having minimum gross vehicle weights GVW of 16,000 to 50,000 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-62032H

specified herein. Reinforcements shall extend at least from the rear of the front suspension, rear hanger bracket to the front of the rear spring, front hanger bracket. The chassis frame rails shall not project beyond the rear end of the tank body or the rear bumper.

3.4.8 Suspension. The vehicle shall be equipped with a suspension system with components having a rated capacity at least equal to the load imposed on each member, measured at the ground, with the vehicle loaded to specified GVW. When the suspension capacity is rated at the spring pads, unsprung weight shall be deducted. The vehicle 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, with the vehicle loaded to specified GVW. On classes 16 and 19, unless a two-speed axle is furnished, a single reduction rear axle shall be provided. When specified

(see 6.2), the wheel bearings and axle spindles shall be oil lubricated. The hubcaps on non-drive

axles 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.

3.4.9.1 Two-speed axle. When specified for model 4x2 or 6x4 vehicles (see 6.2), a

two-speed axle shall be furnished, equipped with electric vacuum or air shift and provided with ratios which will permit proper gear splitting. Gear ratios shall provide the performance specified in 3.3.1 through 3.3.1.3.

3.4.9.2 Traction control. When specified (see 6.2), a traction control shall be furnished on the rear axle of model 4x2 and 4x4 vehicles, and on either rear axle of the rear bogie on model 6x4 and 6x6 vehicles. The traction control shall actuate automatically to ensure that power is transmitted to the wheel having traction when the opposite wheel loses traction.

Maximum traction capabilities shall be maintained at all times under each drive wheel for the life of the vehicle.

3.4.9.3 Rear bogie. Model 6x4 and 6x6 vehicles shall be equipped with a rear bogie. The rear bogie shall be of the four-wheel type, complete with axles, springs, torque rods, and all other necessary parts. The bogie shall be provided with means permitting differential action between the two axles, and a manually or automatically controlled lockout assuring equal power to each rear axle. The manual lockout control shall be located in the truck cab. Axle gear ratios shall provide the performance specified in 3.3.1 through 3.3.1.3.

* 3.4.10 Wheels, rims, tires and tubes. Unless wide base tires are specified, the vehicle shall be equipped with single front and dual rear wheels. Except as specified herein, rims and tire ratings shall conform to The Tire and Rim Association or European Tyre and Rim Technical