The Muncie 49T37920 is the Clutch Hub (item 17a) for the CS10 and CS11 series Power Take-Off, identified directly in Muncie’s factory service parts documentation. The CS10 is a clutch-shift, heavy-duty PTO designed for remote pump drives, with direct-mount flange options in SAE B, BB, and C as well as DIN 5462 configurations. The clutch hub is a critical rotating component in the engagement assembly of this series. Pro Gear and Transmission supplies genuine Muncie service parts. Call us to confirm this is the correct hub for your CS10 or CS11 PTO build or repair.FeaturesGenuine Muncie service part, item 17a in the CS10-CS11 factory service parts listFits the CS10 and CS11 series clutch-shift PTOCritical engagement component in the CS10-CS11 clutch assemblyCS10 series supports SAE B, BB, and C and DIN 5462 direct-mount pump configurationsMuncie document references: SP95-03_CS10-11_Service_Parts.pdf and SP01-01.pdfUsed in these Muncie PTO modelsCS10 SeriesCS11 SeriesCS12 Series