Carlisle Turf Master 16x7.50-8 for the rears and Carlisle Turf Master 13X6.50-6 for the front and 8" x 8" Douglas blue wheels (4 on 4) for rears and 6" x Offset: 6.5'' x 2.5' for front. Get 4 on 4 hub for the rear and get 5/8" cart hub for the the front. Get an 1 1/4" axle between 36-38 inches in length. Won't matter because in the end your wheel base will be 40 inches or smaller set with axle collars.