The Chelsea 221 Series Power Take-Off Assembly, part number 221ZCAHX-A6XD or 221ZCAHXA6XD, is a 6-bolt mounted PTO designed for low-speed, heavy-duty applications including dump trucks, tow and recovery, and aerial equipment. It uses a wire/cable mechanical shift and delivers an intermittent torque rating of 250 lb-ft (339 Nm) - check application pages for actual torque ratings specific to your installation. Output is rated at 46-55 HP (31-40 kW), with shaft power of 24 HP at 500 RPM and 48 HP at 1000 RPM. The 1-1/4" round output shaft with keyway suits a wide range of pump connections. Compatible transmission manufacturers include Allison, Eaton/Fuller, Volvo/Mack, Hino, and others. Greaseable pump shafts help reduce spline fretting and corrosion over time. Call us to confirm proper fit for your application.
Features
6-bolt mounting configuration for broad transmission compatibility including Allison, Eaton/Fuller, Volvo/Mack, and Hino
Wire/cable mechanical shift type
1-1/4" round output shaft with keyway
Intermittent torque rating of 250 lb-ft (339 Nm) - verify against application pages for your specific setup
Output power range of 46-55 HP (31-40 kW); 24 HP at 500 RPM and 48 HP at 1,000 RPM
Greaseable pump shafts to reduce spline fretting and corrosion in low-speed, heavy-duty service
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 Transmission Manufacturers: Allison, Eaton/Fuller, Volvo/Mack, Hino, Other
Additional Information
