The Chelsea 3P748 is a 540 output shaft designed for Chelsea power takeoff units. The 540 designation identifies the output type, making this shaft a key drivetrain component when setting up or servicing a Chelsea PTO for 540-series applications. Pro Gear and Transmission carries genuine Chelsea PTO parts for fleet shops and independent mechanics working on heavy-duty truck and equipment installations. Not sure this is the right shaft for your setup? Give us a call to confirm proper fit before ordering.FeaturesGenuine Chelsea part number 3P748540 output shaft for Chelsea PTO unitsDesigned for Chelsea 540-series power takeoff applicationsDirect replacement for Chelsea PTO service and repairSold by Pro Gear and TransmissionUsed in this Chelsea PTO model540 Series