The Chelsea 221REAJP-W3XD or 221REAJPW3XD 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 key accepts common hydraulic pump drives. Intermittent torque for the 221 Series runs up to 250 lb-ft (339 Nm); check application pages for the torque rating specific to your installation. Output shaft power is rated at 24 HP (18 kW) at 500 RPM and 48 HP (36 kW) at 1000 RPM. Compatible transmission manufacturers include Allison, Eaton/Fuller, Volvo/Mack, Hino, and others. Greaseable pump shafts help control spline fretting and corrosion over the long haul. A genuine Chelsea part, available from Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
6-bolt mounting pattern for broad transmission compatibility including Allison, Eaton/Fuller, Volvo/Mack, Hino, and others
Wire/cable mechanical shift type
1-1/4" round output shaft with key
Intermittent torque up to 250 lb-ft (339 Nm) - verify actual rating on application pages
Shaft power: 24 HP (18 kW) at 500 RPM, 48 HP (36 kW) at 1000 RPM
Greaseable pump shafts to reduce spline fretting and corrosion in low-speed, heavy-duty use
Tech Specs
- Intermittent Torque: 250 lb-ft / 339 Nm (check application pages for actual rating for your installation)
- Shift Type: Wire/Cable, Mechanical
- Output Power: 46-55 HP / 31-40 kW
- Output Shaft Type: 1-1/4" Round with key
- Transmission Compatibility: Allison, Eaton/Fuller, Volvo/Mack, Hino, Other
- Mounting Type: 6-Bolt
- Shaft Power: 24 HP (18 kW) at 500 RPM; 48 HP (36 kW) at 1000 RPM
Additional Information
Parts Manual: Chelsea 221 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
