For info:
20,000# capacity 63" arm length 70" from floor to top of arm (Can be reduced to 56"-was originally made to be embedded 14" into floor) 154" overall length 96" overall height 3HP AC motor for push-off, 230-460V./3/60, 1200RPM Chain drive push-off Chain and sprocket drive via hydraulic motor for rotation. FOB Rockford, IL