I’m looking for a 12 volt DC Motor with a step down gearbox ,For a Steer Drive System, top Speed is 5 MPH, Shaft for the wheel is 1/2 inch size, will move about 300 LB of weight, and well tow about 400 LB, I"m working on a project. I would need 4 motors, wheel size 10 inch. what would be the best motor would you have for me, Thank You Lee Larson [email protected]