Portable Yard Ramp, Load Capacity 20,000 lb, Overall Length 30 ft, Overall Width 84 in, Usable Width 78 in, Raised Height 72 in, Lowered Height 40 in, 8 in Side Rail Height, Material Steel, Steel Grating Deck, Includes 16 in Lip on Carrier End Treadplate, Full Undercarriage with Solid 18 in Rubber Tires, Safety Chains to Secure Yard Ramp & Double-Acting Hydraulic Pump to Adjust the Portable Units