The tires are plastic and marked XR-101.
Vintage TONKA Press Steel Lowboy Flatbed Gooseneck Trailer for Truck
Vintage Tonka Green And Black Bulldozer, Tootsie Toy Bull Dozer, 07 quarry king
Vintage Tonka Yellow Black Pressed Steel Dozer Construction Vehicle Toy
Tonka Vintage Yellow Black metal Dozer Construction Toy Diecast Model USA
Vintage Tonka MR-970 Toy Truck Replacement Wheels Lot of 6 Black Plastic Tires
Tonka Black Widow Monster Truck Vintage 1993 Purple Pink Toy Truck
