SERIAL........................: 16671MODEL.........................: S4-250-108-54TONNAGE.......................: 250STROKE........................: 8"SHUT HEIGHT...................: 30"ADJUSTMENT....................: 8"STROKES PER MINUTE............: 20-60 VARIABLEBED SIZE......................: 108" L-R X 54" F-BRAM SIZE......................: 108" L-R X 54" F-B