The Chelsea 221 Series Power Take-Off, part number 221XLDAX-W3RB or 221XLDAXW3RB, is a 6-bolt mounted PTO with wire/cable mechanical shift designed for low-speed, heavy-duty applications including dump trucks, tow and recovery, and aerial equipment. The 1-1/4" round output shaft with keyway delivers up to 250 lb-ft intermittent torque (verify actual rating on the application pages). Shaft power output is 24 HP at 500 RPM and 48 HP at 1,000 RPM. Compatible transmissions include Allison, Eaton/Fuller, Volvo/Mack, and Hino platforms. The cast iron housing accepts either a standard or low-profile configuration, and greaseable pump shafts help reduce spline fretting and corrosion over the service life. Call us to confirm proper fit for your transmission and application.

Features
6-bolt mounting, compatible with Allison, Eaton/Fuller, Volvo/Mack, and Hino transmissions
Wire/cable mechanical shift type
1-1/4" round output shaft with keyway
Intermittent torque up to 250 lb-ft (339 Nm) - verify actual rating on application pages
Shaft power: 24 HP at 500 RPM, 48 HP at 1,000 RPM
Greaseable pump shafts to reduce spline fretting and corrosion
Available in standard or low-profile housing configuration
Tech Specs
- Intermittent Torque: 250 lb-ft / 339 Nm (Check Application Pages for Actual Torque Ratings)
- Shift Type: Wire/Cable, Mechanical
- Output Power: 46-55 HP, 31-40 kW
- Output Shaft Type: 1-1/4" Round with Key
- Transmission Manufacturer: Allison, Eaton/Fuller, Volvo/Mack, Hino
- Mounting Type: 6-Bolt
- Shaft Power: 24 HP at 500 RPM, 48 HP at 1,000 RPM (18 kW at 500 RPM, 36 kW at 1,000 RPM)
- 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.