13x5-6 Tractor Wheel - 3/4" Axle - Craftsman & Troy-Bilt Tiller Replacement 25 out of 5 Stars. 2 reviews CUB CADET 634-05664A Black Caster Wheel Ultima ZT1 ZT3 42" 60" 50" 54" 60" Mower Add $85.94current price $85.94CUB CADET 634-05664A Black Caster Wheel Ultima ZT1 ZT3 ...