The Chelsea 221ZEAHX-A3XX or 221ZEAHXA3XX is a 6-bolt mounted PTO assembly engineered for low-speed, heavy-duty applications. It shifts via wire/cable mechanical control and delivers 46-55 HP (31-40 kW) of output power. The 1-1/4" round output shaft is available with or without a keyway. Rated at 250 lb-ft (339 Nm) intermittent torque, verify actual torque against Chelsea application pages for your specific installation. Compatible transmissions include Allison, Eaton/Fuller, Volvo/Mack, and Hino units. Available in a standard housing or a special low-profile housing configuration. Greaseable pump shafts help reduce spline fretting and corrosion over time. A genuine Chelsea part, sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
6-bolt mounting for broad transmission compatibility including Allison, Eaton/Fuller, Volvo/Mack, and Hino
Wire/cable mechanical shift type
1-1/4" round output shaft, available with or without keyway
Intermittent torque rating of 250 lb-ft (339 Nm), confirm actual rating via Chelsea application pages
Output power: 48 HP at 1,000 RPM (36 kW)
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 Chelsea application pages for actual torque rating for your installation)
- Shift Type: Wire/Cable, Mechanical
- Output Power: 46-55 HP / 31-40 kW
- Shaft Power: 24 HP / 18 kW at 500 RPM; 48 HP / 36 kW at 1,000 RPM
- Output Shaft Type: 1-1/4" Round; 1-1/4" Round with key
- Mounting Type: 6-Bolt
- Compatible Transmission Manufacturers: Allison, Eaton/Fuller, Volvo/Mack, Hino, Other
Additional Information
