Pics can do most of the talking. A set of custom aluminum wheels for the bigger beef rigs. The rear tires are from Chucky's and they measure 4.450 {just under 4-1/2"} Diameter by 1.720 {just under 1-3/4"} The fronts are firestone 18.5-16.1 Turf tires from Dakotah toys and they measure around 2-1/4" diameter by just under 1". The rears were glass beaded. The tractors are not going anywhere. free shipping