The HW22D buldozers have reinforced chassis, arms, and blades, which can handle the most challenging large obstacles, such aslarge rocks and boulders, The blade is thicker, and the arm coating is improved to enhance strenath and durability. it is particularlysuitable for heavy mining applications. It is one of the best-seling products of Hengwang in Africa, where large-scale mining isprevalent.