AFF has the only super heavy-duty transmission jack with a 4,400 lb. capacity. Built "forge-tough" to handle removal, transport and installation of transmissions, transfer cases or differentials on heavy-duty trucks, buses, agricultural and construction equipment. ?Fully adjustable saddle with maximum tilt for easier alignment.?Adjustable corner brackets.?Convenient side trays for small tools and parts.?Safety overload bypass system to prevent hydraulic damage.