The Chelsea 221 Series Power Take-Off Assembly, part number 221XCAHX-A5XD or 221XCAHXA5XD, is a 6-bolt mounted PTO built for low-speed, heavy-duty work. It uses a wire/cable mechanical shift and delivers an intermittent torque rating up to 250 lb-ft (339 Nm) - check application pages for actual torque ratings on your specific installation. Output is a 1-1/4" round shaft with keyway. Compatible transmission manufacturers include Allison, Eaton/Fuller, Volvo/Mack, Hino, and others. The 221 Series features a cast iron housing with tapered cone output bearings for strong load-bearing capability, and greaseable pump shafts to fight spline fretting and corrosion. Available in standard or low-profile housing configurations. Call Pro Gear and Transmission to confirm proper fit for your truck and transmission.
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 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 1000 RPM
Greaseable pump shafts 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
- Mounting Type: 6-Bolt
- Transmission Manufacturer Compatibility: Hino, Allison, Volvo/Mack, Eaton/Fuller, Other
- Shaft Power: 24 HP (500 RPM), 48 HP (1000 RPM) / 18 kW (500 RPM), 36 kW (1000 RPM)
Additional Information
