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.

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MIL-S-62294B(AT)

* 3.8 Hydraulic winch. When specified (see 6.2), a hydraulically operated winch shall be installed on or under the gooseneck. The winch shall conform to SAE J706. The winch shall provide not less than 9,000 pounds line pull on the bare drum. Winch line speed shall be not less than 14 feet per minute at full load. The winch shall be equipped with a drum drag brake and

also with an automatic safety brake. The winch shall be wound with not less than 50 feet of

1/2 inch diameter, preformed, 6x37, improved plow steel, independent wire rope core (IWRC)

rope. The rope shall be furnished with thimble and recommended crosby clips properly attached and shall have not less than four feet of chain with a 1-1/2 inch open throat hook attached.

3.8.1 Winch drum guard. A winch drum guard shall be furnished guard shall confine the cable to the area between the drum flanges.

3.8.2 Winch controls. Controls for operating the winch shall be located on the left side (streetside) of the gooseneck. The controls shall be within easy reach of an operator standing on the ground. All controls shall be clearly identified as to their intended function with permanently affixed photoetched or stamped identification plate(s), made of corrosion resistant material.

3.8.3 Remote control unit. When specified (see 6.2), in addition to the mounted winch and ramp controls specified, a two-function remote control unit with not less than 60 feet of heavy duty control cable shall be provided. The control unit shall provide independent control of the hydraulic winch and the hydraulic rear ramp. The control cable shall be wound on a reel which automatically retracts the extended cable. A reel latching mechanism shall be provided to release and restore cable tension. After latching has occurred, the cable shall remain in an extended position. Further extension of the cable shall cause the latching mechanism to release and permit the cable to retract completely when the cable is released. The remote controls shall be clearly identified for their intended function, with permanently affixed photoetched or stamped identification plate(s), made of corrosion resistant material.

3.8.4 Remote control functions. The remote control unit shall be capable of being held and operated by one hand. The activating mechanism for all controls shall be such that the controls must be held depressed for operation, with automatic return to the "off" position when the controls are released. Winch and ramp controls shall be independent of each other. The winch control unit shall provide, as a minimum, forward, reverse, and off control. The ramp control shall provide, as a minimum, up, down, and off control.

3.8.5 Hydraulic system. A self contained hydraulic pumping system shall be furnished and installed on the semitrailer gooseneck. The hydraulic system shall consist of an air-cooled diesel engine, hydraulic pump, hydraulic cylinders, hydraulic fluid reservoir, control and relief valves,