Heavy Duty Surface mounted runway type drive on lift with 24" wide runways that can be set for variable tread width setting. Runways and ramps have an oil resistant, non-skid coating. Includes Air operated single point release locking latches. Internal air line with quick disconnects, electric-hydraulic operation. Cylinder located under the runway Dual function Sentinel Lock™ System Internal airline Adjustable latch bars ALI Gold Certified (SM30N0-X) Specs MODEL: SM30-EL (4-Post, Closed Front) MAXIMUM WHEELBASE: 307” RISE/FLOOR TO TOP OF RUNWAY: 68” LENGTH OVERALL: 31’ 8 1/8” WIDTH OVERALL: 12’ 4 13/16” INSIDE OF COLUMNS: 132” BETWEEN FRONT AND REAR COLUMNS: 321” HEIGHT OF COLUMNS: 7’ ¾” WIDTH OF RUNWAYS: 24” HEIGHT OF RUNWAYS: 8 3/8” WIDTH BETWEEN RUNWAYS (Min/Max): 41” – 48” LIFTING CAPACITY: 30,000 lbs. MOTOR: 4HP VOLTAGE: 3-PHASE TIME OF FULL RISE: 105 seconds MINIMUM BAY SIZE: 16’ X 36’ //