The Chelsea 221 Series Power Take-Off Assembly, part number 221XCAHX-A3XD or 221XCAHXA3XD, is a 6-bolt mounted PTO built for low-speed, heavy-duty work on dump trucks, tow and recovery units, aerial equipment, and vocational trucks. It uses a wire/cable mechanical shift and features a cast iron housing with tapered cone output bearings for strong load-bearing capability. The 1-1/4" round output shaft with key is suited for direct pump drive. Shaft power is rated at 24 HP at 500 RPM and 48 HP at 1000 RPM, with intermittent torque up to 250 lb-ft. Compatible transmissions include Allison, Eaton/Fuller, Volvo/Mack, and Hino. The 221 Series is listed as obsolete by Parker Chelsea. Call us to confirm proper fit and current availability for your application.
Features
6-bolt mounting type compatible with Allison, Eaton/Fuller, Volvo/Mack, and Hino transmissions
Wire/cable mechanical shift with space-saving low-profile housing option
1-1/4" round output shaft with 5/16" key
Intermittent torque rating up to 250 lb-ft (339 Nm); check application pages for actual ratings
Shaft power: 24 HP at 500 RPM, 48 HP at 1000 RPM
Greaseable pump shafts to reduce spline fretting and corrosion
Tech Specs
- Intermittent Torque: 250 lb-ft / 339 Nm (check application pages for actual torque ratings)
- Shift Type: Wire/Cable, Mechanical
- Output Power: 46-55 HP / 31-40 kW
- Shaft Power: 24 HP at 500 RPM, 48 HP at 1000 RPM / 18 kW at 500 RPM, 36 kW at 1000 RPM
- Output Shaft Type: 1-1/4" Round with 5/16" Key
- Mounting Type: 6-Bolt
- Compatible Transmission Manufacturers: Hino, Allison, Volvo/Mack, Eaton/Fuller
- Continuous Operation: Yes, with 30% de-rating
Additional Information
