The Chelsea 272 Series Power Take-Off Assembly, part number 272GAAJX-A3XD or 272GAAJXA3XD, is a 6-bolt hot shift PTO rated for up to 300 lb-ft of continuous torque and 201-300 lb-ft intermittently. It mounts with a 6-bolt pattern and delivers power through a 1-1/4" round output shaft with a 5/16" key. Shift actuation is pneumatic (PowerShift pneumatic/hydraulic), and the unit supports 56+ HP of output power. Compatible transmission manufacturers include Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and others. The 272 Series consolidates several earlier Chelsea medium-duty PTO lines into a single, more versatile platform suited for towing and recovery, aerial, construction, and water truck applications. Call us to confirm proper fit for your application.
Features
6-bolt mounting pattern for broad transmission compatibility
Pneumatic and PowerShift (pneumatic/hydraulic) shift options
1-1/4" round output shaft with 5/16" key
Continuous torque rating up to 300 lb-ft (407 Nm); verify actual rating on application pages
Intermittent torque range: 201-300 lb-ft (401-500 Nm)
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 (verify actual rating on application pages)
- Mounting Type: 6-Bolt
- Output Shaft Type: 1-1/4" round with 5/16" key
- Output Power: 56+ HP (41-50 kW)
- Shaft Power at 500 RPM: 29 HP (21 kW); at 1000 RPM: 57 HP (43 kW)
- Shift Type: Pneumatic / PowerShift (Pneumatic-Hydraulic)
- Transmission Compatibility: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and other manufacturers
Additional Information
Parts manual and diagrams: Chelsea 272 Series PTO parts list with prices
