The Chelsea 221XCAJP-A3AZ or 221XCAJPA3AZ is a 6-bolt power take-off assembly from the Chelsea 221 Series, suited for low-speed, heavy-duty applications including dump trucks, tow and recovery, and aerial equipment. Shift type is wire/cable mechanical. The 1-1/4" round output shaft accepts a key, and intermittent torque is rated up to 250 lb-ft (339 Nm) - verify your specific application in the Chelsea application guide. Shaft power output reaches 48 HP (36 kW) at 1,000 RPM. 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 pump shafts are greaseable to reduce spline fretting and corrosion. Call us to confirm proper fit for your transmission and application.
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 rating in Chelsea application guide
Shaft power: 24 HP (18 kW) at 500 RPM, 48 HP (36 kW) at 1,000 RPM
Compatible with Allison, Eaton/Fuller, Volvo/Mack, Hino, and other transmission manufacturers
Greaseable pump shafts to reduce spline fretting and corrosion; standard or low-profile housing available
Tech Specs
- Intermittent Torque: 250 lb-ft / 339 Nm (check Chelsea application guide for your specific application)
- Shift Type: Wire/Cable, Mechanical
- Mounting Type: 6-Bolt
- Output Shaft Type: 1-1/4" Round with Key
- 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
- Compatible Transmissions: Allison, Eaton/Fuller, Volvo/Mack, Hino, Other
- Housing Options: Standard or Low-Profile
Additional Information
Parts Manual: Chelsea 221 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
