... 420.72120single-side operation Note:1, Gear box inside and outside with JOST,FUWA , Holland type for semi ... ,11ton,25ton,28ton,30ton,35ton. Also 3tons and 6 tons landing gear are available. 3, Competitive ... semi-trailer. It is adopted to lift and load semi-trailer after leaving and to use as lifter while vehicle ... maintenance.2, Landing Gear has slow and fast two speed. Please use slow speed when ...