Atlas Platinum ALI, PVL 14 and RJ7's Commercial Grade 4 Post Auto Lift, Combo Air Ratchets chain link and perforated steel Fluid Service chain link and perforated steel without restarting the torch car weight: 6 Two Safety Lock Positions Lifting Height 76 1 2" (6' 4 1 2") Overall Width Of Columns (Without Motor) 131 3 4" (10' 11 3 4") Overall Width Of Columns (With Motor) 140 1 2" (11' 8 1 2") Overall Length With Approach Ramp 251 1 2" (20' 11 1 2") Length Between Columns 196" (16' 4") Runway Length 205 1 2" (17' 1 1 2") Runway Width 20" Thickness Of Runway 7" Width Between Runways 42 3 4" (w Rail 39 1 4") Outside Runway To Outside Runway 83 1 8" (6' 11 1 8") Clearance Under Runways 69 1 2" (5' 9 1 2") Clearance Between Columns 116 3 8" (9' 8 3 8") Height Of Columns 92 1 2" (7' 8 1 2") Maximum Wheel Base 195" (16' 3") Drive Thru 94 1 2" (7' 10 1 2") Air Requirement 85 115 PSI (EXTERNAL AIR SUPPLY REQUIRED) Motor Electrical Requirement 220 volt single (1) phase