The Chelsea 221XCABX-H4XK or 221XCABXH4XK is a 221 Series power takeoff assembly engineered for low-speed, heavy-duty applications. It mounts via a 6-bolt pattern and uses a wire/cable mechanical shift. Output shaft is a 1-1/4" round with keyway, delivering up to 46-55 HP (31-40 kW) output power. Shaft power is rated at 24 HP at 500 RPM and 48 HP at 1,000 RPM. Intermittent torque is rated in the 250 lb-ft / 339 Nm range (verify actual rating on Chelsea application pages). Compatible transmission manufacturers include Allison, Eaton/Fuller, Hino, Volvo/Mack, and others. Greaseable pump shafts help resist spline fretting and corrosion. Available in standard or low-profile housing configurations. Call us to confirm proper fit for your application.
Features
6-bolt mounting pattern compatible with Allison, Eaton/Fuller, Hino, Volvo/Mack, and other transmissions
Wire/cable mechanical shift for low-speed, heavy-duty operation
1-1/4" round output shaft with keyway
Output power range: 46-55 HP (31-40 kW); 48 HP at 1,000 RPM shaft power
Intermittent torque: approximately 250 lb-ft / 339 Nm (check Chelsea application pages for confirmed rating)
Available in standard or low-profile housing; greaseable pump shafts reduce spline fretting and corrosion
Tech Specs
- Intermittent Torque: 250 lb-ft / 339 Nm (verify actual rating on Chelsea application pages)
- Shift Type: Wire/Cable, Mechanical
- Output Power: 46-55 HP (31-40 kW)
- Output Shaft Type: 1-1/4" Round with keyway
- Transmission Compatibility: Allison, Eaton/Fuller, Hino, Volvo/Mack, and others
- Mounting Type: 6-Bolt
- Shaft Power: 24 HP (18 kW) at 500 RPM; 48 HP (36 kW) at 1,000 RPM
Additional Information
Parts Manual: Chelsea 221 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
