Chelsea 899 Series PTO Units

Chelsea 899 Series was designed to fit the Allison 4700 Series transmissions. This design moves the PTO/Pump mounting flange to the rear of the transmission for better pump clearance. All 899s have Wet Spline outputs for longer pump spline life.

At PGT Trucks, we have decades of experience finding and replacing parts for transmissions, differentials, PTOs and more. We offer sales service and repair for your Parker Chelsea power take off, and will export and ship across the globe quickly and affordably.

If you do not see a specific Chelsea semi-truck PTO replacement for sale, or you're not sure what you need, do not hesitate to call us toll free at (877) 776-4600. We are be glad to guide you in finding the PTO that's right for you.