Get your semi Ready for the Road Ahead™ with enhanced power for auxiliary applications, with the Chelsea 524 Series ISO Mount 1:33 Power Take-Off. To generate power for a number of devices, this replacement PTO connects to the transmission, converting its rotational energy into usable power for auxiliary equipment. Manufactured with top-tier components to provide long-term dependability for semis, tractors, and hydraulic engagements. FleetPride is your First Click in Heavy Duty®.