SERIAL..........................: 4-9018MODEL...........................: #4TONNAGE.........................: 32STROKE..........................: 4"ADJUSTMENT......................: 2-1/4"SHUT-HEIGHT.....................: 9"SPM.............................: 90 BOLSTER SIZE....................: 22" L-R X 14" F-BRAM SIZE........................: 12" L-R X 10" F-BAIR CLUTCH......................: YESAIR BRAKE.......................: YESFOOT PEDAL OPERATION............: YESTOLEDO INTEGRATED SYSTEMS BRAKE MONITORTRIAD TECHNOLOGIES LIGHT CURTAINS