Manuals Brands Harbor Freight Tools Trailer Jacks Harbor Freight Tools Trailer Jacks Manuals ProdManuals has more than 8 Harbor Freight Tools Trailer Jacks manual(s) covering 8 model(s). 1 2 3 S Models Document Type 1 1000 lb. Capacity Swing_Back Trailer Jack 1500 lb. Capacity Dual Wheel Swing_Back Boat Trailer Jack 2 2000 lb. Capacity Drop Leg A_Frame Trailer Jack 2000 lb. Capacity Drop Leg Trailer Jack 2000 lb. Capacity Swing_Back Trailer Jack 3 3500 lb. Capacity Drop Leg Heavy Duty Electric Trailer Jack 3500 lb. Capacity Drop Leg Heavy Duty Trailer Jack S Steel Floor Jack Cross Beam