MIL-T-62357 Trailers, Tank: Potable Water And General Purpose, 500 Gallon, Two And Four-Wheel, Modified CommercialThis specification covers 500 gallon capacity, two-wheel and four-wheel wagon type tank trailers for hauling and dispensing liquids see 6.1 and 6.3. Vehicles procured under this specification are commercial items which are warranted by the manufacturer as specified in procurement documents.

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MIL-T-62357A

3.5.1.5 Safety chains. The trailer shall be equipped with safety chains. Two chains with eyes shall be provided. The chains shall conform to Federal Motor Carrier Safety Regulation

393.70(d).

3.5.2 Suspension. The trailer shall be equipped with springs of the semi-elliptical type. The suspension system shall have a rated capacity at least equal to the load imposed on each member, measured at the ground, with the trailer loaded as specified in 3.4.1.

3.5.3 Axles. Model 2W trailers shall have a single axle. Model 4W trailers shall have two axles. Axles shall have a rated capacity at least equal to the load imposed on each axle, measured at the ground, with the trailer loaded as specified in 3.4.1 and 3.4.2.

* 3.5.4 Wheels, rims, tires and tubes. Model 2W trailer shall be equipped with single rear wheels and tires. Model 4W trailer shall be equipped with single front and single rear wheels and tires. The rim size and tire ratings shall conform to Tire and Rim Association or European Tyre and Rim Technical Organisation recommendations for the type and size of tires furnished. Tire size, tire load range (ply rating), and rim sizes shall be the same for all wheels on the vehicle. Multi-piece rims shall not be furnished.

* 3.5.4.1 Tires. Tires shall be of the tubeless type with highway tread. Unless otherwise specified, low profile or standard profile tires may be furnished. When specified (see 6.2), low profile tires shall be furnished. Tires shall be of the steel belted radial type. Tires shall be of rated capacity at least equal to the load imposed on each tire, measured at each wheel, at the ground, with the trailer loaded as specified in 3.4.1 and 3.4.2. Tires shall conform to Tire and Rim Association or to European Tyre and Rim Technical Organisation recommendations.

3.5.4.2 Inner tubes. When tube-type tires are furnished, inner tubes shall be of heavy duty type, and of the proper size for the tires furnished. Tubes for radial tires shall be of the radial tire tube type. Tire flaps shall be provided for tube-type tires in accordance with Tire and Rim Association recommendations.

* 3.5.4.3 Spare wheel or rim. When specified (see 6.2), a spare wheel or rim shall be mounted on a carrier and installed in a readily accessible location.

3.5.4.4 Spare tire assembly. When specified (see 6.2), a spare tire assembly shall be furnished. The spare tire assembly shall include an inflated spare tire mounted on the spare wheel or rim. The spare tire shall be of the same size, tread design and load range as the tires in use on the vehicle.