Great info Mike thanks. The rubber on the 55 is beyond bad but the 57’s have descent to great rubber although 6 lug axles. I’d like to swap axles and use not only descent rubber but 2 of the tubeless 22.5 up front. Hopefully they would clear the fenders
58 1 ton Napco 59 1/2 ton Napco 58 1/2 ton Napco 55 1 ton 9’ bed 58 3/4 ton stepside 55 LCF boom truck (3) 57 2 tons