Specifications include, but are not limited to: 11R x 22.5 radial mud and snow Goodyear G-188 tread or equivalent 11R x 22.5 radial highway Goodyear G-186 tread or equivalent 13.00 x 24 x 12 off road Goodyear grader sure grip or equivalent 14.00 x 24 x 12 off road Goodyear grader sure grip or equivalent LT 235/75R-15 & LT 235/85R-16 Wrangler Aquatred or equivalent