The Chelsea 221 Series Power Take-Off Assembly, part number 221ZEAHX-V3XD or 221ZEAHXV3XD, is a 6-bolt mounted PTO built for low-speed, heavy-duty applications including dump trucks, tow and recovery, and aerial equipment. It uses a wire/cable mechanical shift and accepts a 1-1/4" round output shaft with keyway. Intermittent torque for the 221 Series is rated up to 250 lb-ft (339 Nm); verify actual ratings on the application pages for your specific installation. Compatible transmissions span Allison, Eaton/Fuller, Volvo/Mack, Hino, and other platforms. The cast iron housing is available in standard or low-profile configuration, and greaseable pump shafts help resist spline fretting and corrosion. Call us to confirm proper fit for your application.
Features
6-bolt mounting for Allison, Eaton/Fuller, Volvo/Mack, Hino, and other transmission platforms
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 (500 RPM) / 48 HP (1000 RPM)
Greaseable pump shafts to reduce spline fretting and corrosion; available in standard or low-profile housing
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, Other
- Mounting Type: 6-Bolt
- Shaft Power: 24 HP (500 RPM), 48 HP (1000 RPM) / 18 kW (500 RPM), 36 kW (1000 RPM)
- Continuous Operation: Yes, with 30% de-rating
Additional Information
