The Chelsea 272 Series Power Take-Off Assembly, part number 272XSAJX-A3RK or 272XSAJXA3RK, is a hot-shift 6-bolt PTO built for medium-duty and demanding mobile equipment applications. It features a 1-1/4" round output shaft with a 5/16" key and ships with an integral air control valve. The 272 Series supports pneumatic or PowerShift (pneumatic/hydraulic) engagement and carries a continuous torque rating of 300 lb-ft (407 Nm), with intermittent torque in the 201-300 lb-ft (401-500 Nm) range. Compatible transmission manufacturers include Ford, Allison, Eaton/Fuller, Volvo/Mack, Aisin, and RAM. Common applications span towing and recovery, aerial equipment, construction, and water trucks. Call us to confirm proper fit for your specific transmission and application.
Features
6-bolt mounting configuration for broad transmission compatibility
1-1/4" round output shaft with 5/16" key
Pneumatic and PowerShift (pneumatic/hydraulic) shift options
Continuous torque rating: 300 lb-ft (407 Nm); intermittent: 201-300 lb-ft (401-500 Nm)
Integral air control valve included
Fits Ford, Allison, Eaton/Fuller, Volvo/Mack, Aisin, and RAM transmissions
Tech Specs
- Mounting Type: 6-Bolt
- Output Shaft Type: 1-1/4" Round with 5/16" Key
- Shift Type: Pneumatic, PowerShift (Pneumatic/Hydraulic)
- Continuous Torque: 300 lb-ft / 407 Nm (check application pages for actual torque ratings)
- Intermittent Torque: 201-300 lb-ft / 401-500 Nm
- Output Power: 56+ HP / 41-50 kW
- Shaft Power at 500 RPM: 29 HP / 21 kW; at 1000 RPM: 57 HP / 43 kW
- Compatible Transmission Manufacturers: Ford, Allison, Eaton/Fuller, Volvo/Mack, Aisin, RAM, Other
Additional Information
Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
