The Chelsea 221 Series Power Take-Off Assembly, part number 221XCAJX-A5XK or 221XCAJXA5XK, is a 6-bolt mounted PTO built for low-speed, heavy-duty vocational applications including dump trucks, tow and recovery, and aerial equipment. Shift type is wire/cable mechanical. The 1-1/4" round output shaft accommodates a keyway, and the unit delivers up to 48 HP at 1,000 RPM or 24 HP at 500 RPM. Intermittent torque rating for the 221 Series reaches 250 lb-ft (check application pages for your specific configuration). Compatible transmission manufacturers include Allison, Eaton/Fuller, Volvo/Mack, and Hino. The cast iron housing features tapered cone output bearings and greaseable pump shafts to limit spline fretting and corrosion. Standard and low-profile housing options are available. Call us to confirm proper fit for your application.
Features
6-bolt mounting type for broad transmission compatibility
Wire/cable mechanical shift operation
1-1/4" round output shaft with keyway
Intermittent torque up to 250 lb-ft (339 Nm), verify rating for your specific application
24 HP at 500 RPM / 48 HP at 1,000 RPM output
Greaseable pump shafts to reduce spline fretting and corrosion
Available in standard or low-profile housing configuration
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 Compatibility: Hino, Allison, Volvo/Mack, Eaton/Fuller
- Mounting Type: 6-Bolt
- Shaft Power: 24 HP at 500 RPM / 48 HP at 1,000 RPM (18 kW at 500 RPM / 36 kW at 1,000 RPM)
Additional Information
