The Chelsea 221 Series Power Take-Off Assembly, part number 221XEAJP-A3XK or 221XEAJPA3XK, is a 6-bolt mounted PTO engineered for low-speed, heavy-duty applications including dump trucks, tow and recovery, and aerial equipment. It features wire/cable mechanical shift and a 1-1/4" round output shaft with keyway. Intermittent torque is rated up to 250 lb-ft (339 Nm); verify your application against Chelsea's application pages for exact torque values. Output power reaches 46-55 HP (31-40 kW), with shaft power of 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 for greater load-bearing capability compared to needle-bearing designs. Call us to confirm proper fit for your specific transmission and application.
Features
6-bolt mounting, compatible with Allison, Eaton/Fuller, Volvo/Mack, Hino, and other transmissions
Wire/cable mechanical shift; also available with additional shift options within the 221 Series
1-1/4" round output shaft with keyway
Intermittent torque up to 250 lb-ft (339 Nm); check application pages for your specific configuration
Shaft power: 24 HP (500 RPM) / 48 HP (1,000 RPM)
Cast iron housing with tapered cone output bearings and greaseable pump shafts to reduce spline fretting and corrosion
Tech Specs
- Intermittent Torque: 250 lb-ft / 339 Nm (check application pages for actual torque ratings by configuration)
- 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 Compatibility: Allison, Eaton/Fuller, Volvo/Mack, Hino, Other
- Shaft Power: 24 HP (500 RPM), 48 HP (1,000 RPM) / 18 kW (500 RPM), 36 kW (1,000 RPM)
- Dimensions (H x W x L): 8.38" x 10.38" x 14.25"
Additional Information
