The Chelsea 221XEAHP-A3XQ or 221XEAHPA3XQ is a 221 Series Power Take-Off assembly built for low-speed, heavy-duty service on dump trucks, tow and recovery units, and aerial equipment. It mounts via a 6-bolt pattern and uses a wire/cable mechanical shift. The 1-1/4" round output shaft with key accepts a range of pump configurations. Rated at an intermittent torque of up to 250 lb-ft (339 Nm), with shaft power of 24 HP at 500 RPM and 48 HP at 1000 RPM. Compatible transmissions include Allison, Eaton/Fuller, Volvo/Mack, and Hino, among others. The cast iron housing is available in standard or low-profile form, and pump shafts are greaseable to limit spline fretting and corrosion. Call us to confirm proper fit for your application.
Features
6-bolt mounting pattern for Allison, Eaton/Fuller, Volvo/Mack, and Hino transmissions
Wire/cable mechanical shift operation
1-1/4" round output shaft with key
Intermittent torque rating up to 250 lb-ft (339 Nm); check application pages for actual torque rating
Shaft power: 24 HP at 500 RPM, 48 HP at 1000 RPM
Greaseable pump shafts to reduce spline fretting and corrosion
Available in standard or low-profile housing
Tech Specs
- Intermittent Torque: 250 lb-ft / 339 Nm (check application pages for actual torque rating)
- 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 key
- Mounting Type: 6-Bolt
- Compatible Transmission Manufacturers: Hino, Allison, Volvo/Mack, Eaton/Fuller, Other
Additional Information
