The Muncie 21T36171 is the drag brake rotor for Muncie CS10 and CS11 Series power take-off units. Identified in Muncie’s own service parts document SP95-03_CS10-11_Service_Parts.pdf as item 12, this rotor is the core component of Muncie’s patented drag brake system, which prevents output shaft rotation when the PTO is in the OFF position. The CS10 and CS11 Series cover both standard and compact clutch-shift PTO configurations used in heavy-duty applications. Call us to confirm this rotor is the correct service part for your specific CS10 or CS11 unit.FeaturesGenuine Muncie Power Products service part number 21T36171Identified as the Drag Brake Rotor in Muncie service parts document SP95-03_CS10-11_Service_Parts.pdfFits Muncie CS10 and CS11 Series clutch-shift PTOsWorks within Muncie’s patented drag brake system to prevent output shaft rotation when PTO is in the OFF positionSold by Pro Gear and TransmissionUsed in these Muncie PTO modelsCS10 SeriesCS11 Series