Industrial Caster & Wheel Co. specializes in all types of heavy duty casters ranging in capacities from 350 lbs up to 25,000 lbs on special casters. Applications Perfect Steerable Transfer Cartlude aircraft dolly, heavy duty dumpsters, transport carts and heavy duty assembly line carts. Top plates range from ¼” cold formed steel up to 5/8” drop forged 1045 AISI steel.