Get your semi Ready for the Road Ahead with enhanced power for auxiliary applications, with the Chelsea 280 Series 10-Bolt 35/37 Standard Mount Power Take-Off. Due to its advanced design, this replacement PTO is able generate power for auxiliary equipment by connecting to the transmission, and converting the rotational energy into power for various devices. Manufactured with top-tier components to provide long-term dependability for semis, tractors, and hydraulic engagements. FleetPride is your First Click in Heavy Duty .