The Chelsea 21P445 is a flange-mount pump drive unit in Chelsea’s XU series, designed for hydraulic system integration at the power takeoff interface. The flange mount design allows direct attachment to compatible hydraulic pump configurations, keeping the installation compact. Pro Gear and Transmission carries genuine Chelsea parts, including this XU series unit. Call us to confirm the 21P445 fits your specific PTO and pump pairing before ordering.FeaturesChelsea XU series flange pump drivePart number 21P445Flange-mount design for direct hydraulic pump attachmentGenuine Chelsea componentCall us to confirm compatibility with your PTO and pump setupUsed in these Chelsea PTO models230 Series231 Series236 Series238D Series270 Series271 Series