A draft vehicle for moving a plurality of freight cars on rails and trailers on highways includes a mobile vehicle and a frame therefor and front traction wheels and rear traction wheels mounted on the frame and operative to drive and steer the draft vehicle and the wheels of the front traction wheels and the wheels of the rear traction wheels are laterally spaced apart a distance suitable for traction engagement with a top portion of respective laterally spaced rails on which the draft vehicle is to be operated. The front traction wheels and the rear traction wheels are longitudinally spaced apart and positioned such that the weight of the mobile draft vehicle is substantially equally supported on the front traction wheels and the rear traction wheels. Front and rear flanged metal guide wheels are positioned adjacent the front and rear traction wheels respectively and are selectively movable into engagement with the rails during travel of the draft vehicle thereon and out of engagement with the rails during highway travel of the draft vehicle.
