The Chelsea 221XEAKX-M4XK or 221XEAKXM4XK is a 221 Series Power Take-Off assembly built for low-speed, heavy-duty applications. It mounts via a 6-bolt pattern and uses wire/cable mechanical shift actuation. The 1-1/4" round output shaft includes a keyway, and the unit delivers up to 250 lb-ft (339 Nm) intermittent torque - check application pages for your specific rating. Output power reaches 48 HP at 1,000 RPM or 24 HP at 500 RPM. Compatible transmissions include Allison, Eaton/Fuller, Volvo/Mack, Hino, and others. The cast iron housing is available in standard or low-profile configurations. Greaseable pump shafts help reduce spline fretting and corrosion over time. Call us to confirm proper fit for your application.
Features
6-bolt mounting pattern compatible with Allison, Eaton/Fuller, Volvo/Mack, Hino, and other transmissions
Wire/cable mechanical shift actuation
1-1/4" round output shaft with keyway
Intermittent torque up to 250 lb-ft (339 Nm) - verify rating on application pages
Output power: 24 HP at 500 RPM, 48 HP at 1,000 RPM
Available in standard or low-profile housing; greaseable pump shafts 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
- Mounting Type: 6-Bolt
- Output Shaft Type: 1-1/4" Round with Key
- Output Power: 46-55 HP / 31-40 kW
- Shaft Power: 24 HP (500 RPM), 48 HP (1,000 RPM) / 18 kW (500 RPM), 36 kW (1,000 RPM)
- Transmission Compatibility: Allison, Eaton/Fuller, Volvo/Mack, Hino, and other select manufacturers
Additional Information
