KKK-T-631F, FEDERAL SPECIFICATION, TRACTOR, FULL-TRACKED, LOW SPEED (DIESEL-ENGINE-DRIVEN) (14 FEB 1994) [NO S/S DOCUMENT]

KKK-T-631F, FEDERAL SPECIFICATION, TRACTOR, FULL-TRACKED, LOW SPEED (DIESEL-ENGINE-DRIVEN) (14 FEB 1994) [NO S/S DOCUMENT]., This specification covers diesel-engine-driven, crawler type tractors, as defined in SAE J727. These tractors require one or more optional functions when specified herein such as: drawbar, blade, winch, backhoe and ripper operations.