The Chelsea 221 Series Power Take-Off, part number 221ZCAHX-W3XD or 221ZCAHXW3XD, is a 6-bolt mounted PTO assembly built for low-speed, heavy-duty applications including dump trucks, tow and recovery, and aerial equipment. It ships with a wire/cable mechanical shift and a 1-1/4" round output shaft with key. The 221 Series carries an intermittent torque rating of 250 lb-ft (339 Nm) - check application pages for actual torque ratings for your specific installation. Shaft power output runs 24 HP at 500 RPM and 48 HP at 1,000 RPM. Compatible transmissions include Allison, Eaton/Fuller, Volvo/Mack, Hino, and others. The cast iron housing uses tapered cone output bearings rather than needle bearings for greater load capacity. Call us to confirm proper fit for your 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 rating: 250 lb-ft (339 Nm) - verify against application pages for your configuration
Shaft power: 24 HP at 500 RPM, 48 HP at 1,000 RPM
Greaseable pump shafts to reduce spline fretting and corrosion
Available with 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 (1,000 RPM), 18 kW (500 RPM), 36 kW (1,000 RPM)
Additional Information
Parts Manual: Chelsea 221 Series PTO Parts Manual (PDF) - exploded views, item numbers and the full parts breakdown for this series.
