The Chelsea 221 Series Power Take-Off Assembly, part number 221ZEAKP-M6RA or 221ZEAKPM6RA, is a 6-bolt mounted PTO designed for low-speed, heavy-duty vocational applications including dump trucks, tow and recovery, and aerial equipment. It uses a wire/cable mechanical shift and accepts a 1-1/4" round output shaft with keyway. Intermittent torque is rated up to 250 lb-ft (339 Nm) - verify actual ratings on the application pages for your specific setup. Shaft power output is 24 HP at 500 RPM and 48 HP at 1000 RPM. Compatible transmissions include Allison, Eaton/Fuller, Volvo/Mack, and Hino. The cast iron housing is available in standard or low-profile configurations, and greaseable pump shafts help reduce spline fretting and corrosion. Call us to confirm proper fit for your application.
Features
6-bolt mounting for Allison, Eaton/Fuller, Volvo/Mack, and Hino transmissions
Wire/cable mechanical shift
1-1/4" round output shaft with keyway
Intermittent torque up to 250 lb-ft (339 Nm) - check application pages for verified ratings
Shaft power: 24 HP at 500 RPM, 48 HP at 1000 RPM
Available in standard or low-profile housing; greaseable pump shafts resist 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
- Mounting Type: 6-Bolt
- Output Shaft Type: 1-1/4" Round with keyway
- Output Power: 46-55 HP / 31-40 kW
- Shaft Power: 24 HP (500 RPM), 48 HP (1000 RPM) / 18 kW (500 RPM), 36 kW (1000 RPM)
- Transmission Compatibility: Allison, Eaton/Fuller, Volvo/Mack, Hino
Additional Information
