The Chelsea 272GMAJX-P3XD or 272GMAJXP3XD is a 6-bolt hot shift power take-off assembly from the Chelsea 272 Series, designed for medium-duty applications across towing and recovery, aerial, construction, and water truck equipment. This unit mounts with a 6-bolt pattern and carries a 1-1/4" round output shaft with a 5/16" key. Shift is pneumatic or PowerShift (pneumatic/hydraulic), with an integral air control valve included. The 272 Series supports continuous torque up to 300 lb-ft (407 Nm) and intermittent torque in the 201-300 lb-ft (401-500 Nm) range. Compatible transmissions span a wide field, including Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM applications. Call us to confirm proper fit for your specific transmission and application.
Features
6-bolt mounting pattern for broad transmission compatibility
1-1/4" round output shaft with 5/16" key
Pneumatic or PowerShift (pneumatic/hydraulic) shift with integral air control valve
Continuous torque rating up to 300 lb-ft (407 Nm); intermittent torque 201-300 lb-ft (401-500 Nm)
Output power 56+ HP (41-50 kW); shaft power rated at 57 HP at 1,000 RPM
Compatible with Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM transmissions
Tech Specs
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Continuous Torque: Up to 300 lb-ft (407 Nm) - Check Application Pages for Actual Torque Ratings
- Mounting Type: 6-Bolt
- Output Shaft Type: 1-1/4" Round with 5/16" Key
- Shift Type: Pneumatic or PowerShift (Pneumatic/Hydraulic)
- Output Power: 56+ HP (41-50 kW)
- Shaft Power: 29 HP (21 kW) at 500 RPM; 57 HP (43 kW) at 1,000 RPM
- Transmission Compatibility: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and other applications
Additional Information
Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
