High grade steel wheel for truck and bus. Strengthened disc. Size available: 17.5 family, 19. ... .5 family, 24.5 fam High grade steel wheel for truck and bus. Strengthened disc. Size available: 17.5 family, 19 ... steel wheel for agricultural, construction and machinery vehicles, like dump truck, loader, dozer, earthmover, crane, grader, ADT, scraper, straddle-carrier, backhoe excavator ...