Features: Chain-driven lifting system Heavy duty sliding turnplate Maintenance free load bearing Four points automatic safety locks Adjustable self-lock system pledge the vehicle safe and balanced in different height Multiple safety locks pledge absolute safety in any height Slideway for other equipment inside of the runway Integrative hydraulic system make the working environment quiet Compact column design,short drive-up ramp,save space Adjustable runway Air lock release Automatic safety locks Specifications: Working noise : 75dB ( A ) Rise time : 60s Drop time : 90s Working temperature : -5 ~ 40 Motor power : 2.2Kw/220 ~ 380V Working pressure : 14Mpa relative humidity : 80% Using altitude : 1000m lifting capacity : 7000lbs/3200kgs Lifting height : 1750mm Width between posts : 2877mm Width between runways : 0--1179mm Outer dimensions/L*W*H : 5496 3072 2279mm 20 container : 8sets 40 container : 16 sets