The Heavy-Duty Trailer Mover™ has a 36 volt DC, 1500 watt motor for 35,000 lb. push/pull capacity on tires or casters and 70,000 lb. push/pull on rails. This trailer mover is configurable with ball hitch, pintle hook, combo hitch and tongue and pin receiver. The electric motor is quiet with zero emissions making it great for indoor or outdoor