4-post design is safest way to inspect underside of 27,000-lb. vehicles! Reversible top rail for either driver-side or passenger-side installation. Includes rail kit to accommodate rolling drain-pans or bridges/jacks. 18 in. Runways adjust to various tire widths. Multi-position pneumatic locks in all four columns. Integrated hydraulic back-up safety system. 30 in. ramp extentions can be added to each runway end. Drive-through ramp for quick loading, unloading, quick-lube services or fleet repair. 60 in. maximum lift height. 2 HP standard motor. Overall dimensions: 287 in.L (including ramps) x 144 in.W, 125 in.W between posts. 247 in. maximum wheelbase. Truck Ship. U.S.A.