18.4-42, 20.8-38, 23.1-26, 23.1-30. Many sizes of gaint agricultural farm tires, competitive price ... excellent traction, rideability and self-cleaning property.SIZE: 9.5-20, 9.5-24, 10.0/75-15.3-10, 10 ... .2-38, 11.2-28,11.2-24,11.2-20, 11-38, 12-38, 12.4-24, 12.4-32 ... .4-34, 18.4-38, 18.4-42, 20.8-38, 23.1-26, 23.1-30CERTIFICATES: ISO, CCC, DOT ECEMOQ:20TEUMS Jennifer ...