The Chelsea 221 Series Power Take-Off Assembly, part number 221XCAJP-A3XR or 221XCAJPA3XR, is a 6-bolt, wire/cable mechanical-shift PTO built for low-speed, heavy-duty service. Output is rated at 46-55 HP (31-40 kW), with shaft power of 24 HP at 500 RPM and 48 HP at 1,000 RPM. Intermittent torque is rated up to 250 lb-ft (339 Nm) - verify actual rating on the Chelsea application pages for your specific configuration. The 1-1/4" round output shaft with keyway suits a wide range of hydraulic pump drives. Compatible transmissions include Allison, Eaton/Fuller, Volvo/Mack, Hino, and other manufacturers. The cast iron housing is available in standard or low-profile configurations, and greaseable pump shafts help reduce spline fretting and corrosion. Call us to confirm proper fit for your truck and transmission.
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) - confirm actual rating via Chelsea application pages
Shaft power: 24 HP at 500 RPM, 48 HP at 1,000 RPM
Compatible with Allison, Eaton/Fuller, Volvo/Mack, Hino, and other transmission manufacturers
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 configuration)
- 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 Options: Standard or Low-Profile
Additional Information
