Louis Marx & Co (MAR) toy tractor in tin litho. It has American Tractor on the front. It windes up and wheels go around - although it doesn't travel well. Driver is no metal, but a painted composit (maybe wood). It appeart to fit into seat, but may not be original with tractor.
Size is about 9" x 5" x 4.5 high. It is worn with spots of rust and scratches. Pint on tractor driver is very worn.
Still a hard to find piece that is still working!