material transfer cart with steel rail wheels 10 ton. Track Wheels: Capacity Range: 380 – 16,000 lbs. Hamilton Caster U-Grooved Wheels. Capacity up to 16,000 lbs. Wheel Diameters: 4″ – 10″. Runs on round tubing or pipe. Nylon, polyurethane, UHMW, aluminum, steel or stainless steel.