The Chelsea 221 Series Power Take-Off, part number 221XEAHX-W4XK or 221XEAHXW4XK, is a 6-bolt mounted PTO with wire/cable mechanical shift built for low-speed, heavy-duty vocational applications including dump trucks, tow and recovery, and aerial equipment. Output power reaches 46-55 HP (31-40 kW), with shaft power rated at 24 HP at 500 RPM and 48 HP at 1,000 RPM. Intermittent torque is rated up to 250 lb-ft (339 Nm) - confirm exact rating for your application. The 1-1/4" round output shaft with key accepts common pump configurations. Compatible transmissions include Allison, Eaton/Fuller, Volvo/Mack, Hino, and others. The cast iron housing is available in standard or low-profile form, and greaseable pump shafts help resist spline fretting and corrosion. Call us to confirm proper fit for your specific transmission and application.
Features
6-bolt mounting, compatible with Allison, Eaton/Fuller, Volvo/Mack, Hino, and other transmissions
Wire/cable mechanical shift type
1-1/4" round output shaft with key
Intermittent torque up to 250 lb-ft (339 Nm) - check application pages for confirmed rating
Shaft power: 24 HP at 500 RPM, 48 HP at 1,000 RPM (18 kW / 36 kW)
Available in standard or low-profile housing; greaseable pump shafts reduce spline fretting and corrosion
Tech Specs
- Intermittent Torque: 201-300 lb-ft, 301-400 Nm, 250 (Check Application Pages for Actual Torque Ratings) lb-ft, 339 (Check Application Pages for Actual Torque Ratings) Nm
- Shift Type: Wire/Cable, Mechanical
- Output Power: 46-55 HP, 31-40 kW
- Output Shaft Type: 1-1/4" Round, 1-1/4" Round w/key
- Transmission Manufacturer: Hino, Allison, Other, Volvo/Mack, Eaton/Fuller
- Mounting Type: 6-Bolt
- Shaft Power: 500 RPM: 24, 1000 RPM: 48 HP, 500 RPM: 18, 1000 RPM: 36 kW
- Weight: 30 lb, 13.6 kg
Additional Information
Parts Manual: Chelsea 221 Series PTO Parts Manual (PDF) - exploded views, item numbers and the full parts breakdown for this series.
