· 12,000 pound lifting capacity · Three different ramp lengths to choose · Heavy-duty turn plates included · Multi-position turn plate · Integrated rear slip-plates · Automatic leveling system · Runways include rail-kit for optional accessories · Electric/hydraulic power system · Single hydraulic cylinder mounted underneath runway · Internal "Anti-Sway' slider blocks in each column · Features heavy-duty ½" aircraft cable · Oversized self-lubricating cable rollers · Rugged 1-3/8" roller axles · Multi-position safety locks in each column · Ramps feature non-skid surface· Push-button safety release · Runways adjust for different tread widths · Optional drive-thru ramps available · Optional 6000 pound capacity rolling jacks available (Model RB-60's)