The Chelsea 221 Series Power Take-Off, part number 221XCAJP-W5XD or 221XCAJPW5XD, 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 a 1-1/4" round output shaft with keyway. Intermittent torque rating for the 221 Series reaches 250 lb-ft (339 Nm); check application pages for actual torque ratings specific to your installation. Shaft power output is 24 HP at 500 RPM and 48 HP at 1,000 RPM. Compatible transmission manufacturers include Allison, Eaton/Fuller, Volvo/Mack, Hino, and others. A cast iron housing and tapered cone output shaft bearings deliver long service life. Call us to confirm proper fit for your application.
The Chelsea 221 Series PTO is suited to vocational, municipal, aerial, and tow/recovery truck applications. The series features a cast iron housing and tapered cone bearings on the output shaft for greater load-bearing capability compared to needle-bearing designs. Three internal speed ratios and multiple shift options are available across the 221 Series lineup. The 221XCAJP-W5XD is available in a standard housing or a special low-profile housing for installations with tight clearance under the cab or frame. Continuous operation is supported with a 30% torque de-rating. Contact Pro Gear and Transmission to verify the correct configuration for your transmission and application.
Features
6-bolt mounting configuration fits Allison, Eaton/Fuller, Volvo/Mack, Hino, and other transmission families
1-1/4" round output shaft with keyway for direct pump or driveline connection
Wire/cable mechanical shift engagement
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 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 for your installation)
- Shift Type: Wire/Cable, Mechanical
- Output Power: 46-55 HP / 31-40 kW
- Output Shaft Type: 1-1/4" Round with key
- Transmission Compatibility: 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
The Chelsea 221 Series PTO is suited to vocational, municipal, aerial, and tow/recovery truck applications. The series features a cast iron housing and tapered cone bearings on the output shaft for greater load-bearing capability compared to needle-bearing designs. Three internal speed ratios and multiple shift options are available across the 221 Series lineup. The 221XCAJP-W5XD is available in a standard housing or a special low-profile housing for installations with tight clearance under the cab or frame. Continuous operation is supported with a 30% torque de-rating. Contact Pro Gear and Transmission to verify the correct configuration for your transmission and application.
