Rubber Rear 18.4-42 Radial Tire, 1 3/16" x 4 7/16"
This tire has numbers 18.4-42 and Firestone name and logo on side,  Will fit the following rims. 07-033, 07-034, 07-036, 07-013, 07-014, 07-015, 07-024, 07-025, 07-026, 07-027, 07-028, 07-032