The Chelsea 221ZEAHX-A3XK or 221ZEAHXA3XK is a 221 Series Power Take-Off assembly built for low-speed, heavy-duty applications including dump trucks, tow and recovery, 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 keyway delivers up to 250 lb-ft intermittent torque (339 Nm), with shaft power rated at 24 HP at 500 RPM and 48 HP at 1,000 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 transmission and application.
Features
6-bolt mounting, wire/cable mechanical shift
1-1/4" round output shaft with keyway
Intermittent torque up to 250 lb-ft (339 Nm) - verify rating on application pages
Shaft power: 24 HP at 500 RPM, 48 HP at 1,000 RPM
Cast iron housing; standard or low-profile housing available
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
- 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 (1,000 RPM) / 18 kW (500 RPM), 36 kW (1,000 RPM)
- Compatible Transmissions: Allison, Eaton/Fuller, Volvo/Mack, Hino, Other
- Housing: Standard or low-profile
- Dimensions (H x W x L): 8.38" x 10.38" x 14.25"
- Series: Chelsea 221
Additional Information
