MIL-S-62294 Semitrailer, Stake: Two Level Decks, With Hydraulic Loading Ramp, 20 Ton, Modified CommercialThis specification covers a commercial, 20 ton stake semitrailer with upper gooseneck and lower main decks and a tandem axle. The semitrailer is fitted with a kickup gooseneck deck, lower main deck, hydraulic rear loading ramp, hydraulic winch, and an auxiliary engine. The semitrailer is intended for transporting cargo, fork lift trucks, and fork lift trucks with cargo. Each vehicle produced under this specification is a commercial item which is warranted by the manufacturer as specified in acquisition documents.

Pages 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 20 - 21 - 22 - 23 - 24 - 25

MIL-S-62294B(AT)

shall be held together with bolts or other through-type fasteners at least 0.250 inch in diameter. All wood parts shall be hardwood (not apitong) conforming to 3.7, treated in accordance

with 3.1.1.4.

3.10 Suspension system. The semitrailer shall be furnished with a tandem suspension system. Each component of the suspension system shall have a rated capacity at least equal to

the load imposed, measured at the wheels at the ground, when the semitrailer is loaded with rated payload. Clearances shall prevent interference between wheels, tires, or any other part of the

semitrailer, under the operating conditions specified herein.

3.10.1 Tandem axles. The semitrailer shall have tandem axles. Axle ratings shall be at least equal to the load imposed on each axle, measured at the ground, when the semitrailer is loaded with rated payload. The wheel bearings and axle spindles shall be oil lubricated. The oil viscosity shall be in accordance with the manufacturer's recommendations. The hubcaps shall have a window for visual determination of oil level. Provisions for venting, or other method of withstanding internal pressure buildup, and for replenishing the oil supply shall be incorporated. The hubs shall be fitted with seals.

* 3.11 Wheels, rims, tires and tubes. The semitrailer shall have dual wheels on each axle. Rim 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. Multi-piece rims shall

not be furnished. Rim sizes shall be the same for all wheels on the semitrailer. Tire size and

load range (ply rating) shall be the same for all tires on the semitrailer. When specified (see 6.2), disc type wheels shall be furnished.

* 3.11.1 Tires. Tires shall be tubeless type with highway tread. Tires shall be of the steel belted radial type. Tires shall have a rated capacity at least equal to the load imposed on each tire, measured at each wheel at the ground, with the semitrailer loaded with rated payload. Tires shall conform to Tire and Rim Association or to the European Tyre and Rim Technical Organisation recommendations.

3.11.2 Spare wheel or rim. When specified (see 6.2), a spare wheel or rim shall be mounted and secured on the carrier. When a spare tire assembly is specified, a spare wheel or rim shall be furnished.

3.11.3 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, load range (ply rating), and tread design as

the tires installed on the semitrailer.