Pacific Automation vertical roof truss stacker, stacks up to (40) trusses or 60″ in depth of stack, from 14′ minimum span to 80′ maximum span. Includes (23) rollers with a 1 HP chain drive, electrical control panel, (6) stacking arms at 12′-0″ o/c spacing, powered by one 4,600 PSI heated pump, driving two hydraulic cylinders. 220 volt, 3 phase, 12 Amp electrical required.