The Chelsea 221ZCAHX-A3XK or 221ZCAHXA3XK is a 6-bolt Power Take-Off assembly from Chelsea's 221 Series, engineered for low-speed, heavy-duty vocational applications including dump trucks, tow and recovery, and aerial equipment. It uses a wire/cable mechanical shift and mounts to Allison, Eaton/Fuller, Volvo/Mack, Hino, and other compatible transmissions. The 1-1/4" round output shaft with key delivers 46-55 HP (31-40 kW) of output power, with shaft power rated at 24 HP (500 RPM) and 48 HP (1,000 RPM). Intermittent torque rating is 250 lb-ft (339 Nm) - check application pages to confirm actual torque for your setup. Available in standard or low-profile housing configurations. Call us to confirm proper fit for your application.
Features
6-bolt mounting type, compatible with Allison, Eaton/Fuller, Volvo/Mack, Hino, and other transmissions
Wire/cable mechanical shift operation
1-1/4" round output shaft with key
Output power: 46-55 HP (31-40 kW); shaft power 24 HP at 500 RPM, 48 HP at 1,000 RPM
Intermittent torque: 250 lb-ft / 339 Nm (verify actual rating on application pages)
Available in standard or special low-profile housing; 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 (500 RPM), 48 HP (1,000 RPM), 18 kW (500 RPM), 36 kW (1,000 RPM)
- Output Shaft Type: 1-1/4" Round with Key
- Mounting Type: 6-Bolt
- Transmission Compatibility: Allison, Eaton/Fuller, Volvo/Mack, Hino, Other
- Housing Options: Standard or Low-Profile
Additional Information
