High strength steel construction.
Adjustable height for leveling of trailers parked on uneven ground.
Broad base prevents trailer dollies from sinking into soft surfaces.
Prevents up-ending of semi-trailers when not connected to a truck during loading/unloading..
TSJS Standard, ratchet with ACME threaded screw raises and lowers jack. 14" diameter x 1/2" thick base plate, 8" semi-pneumatic wheels. 8" diameter top plate.
Lifting Capacity 40000 lbs