The Chelsea 272 Series Power Take-Off Assembly, part number 272XCDAX-P3XD or 272XCDAXP3XD, is a 6-bolt hot shift PTO designed for medium-duty applications across towing and recovery, aerial, construction, and water truck work. It ships with a 1-1/4" round output shaft with a 5/16" key and supports pneumatic or PowerShift (pneumatic/hydraulic) engagement. Continuous torque capability reaches 300 lb-ft (407 Nm); intermittent torque is rated 201-300 lb-ft (401-500 Nm). The 272 Series consolidates several earlier Chelsea medium-duty PTO lines into one platform, offering nine speed ratios, eighteen shift options, and an integral air control valve. Compatible transmission families include 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 for medium-duty hot shift applications
1-1/4" round output shaft with 5/16" key
Pneumatic or PowerShift (pneumatic/hydraulic) shift engagement
Continuous torque up to 300 lb-ft (407 Nm); intermittent torque 201-300 lb-ft (401-500 Nm)
Output power rated at 56+ HP (41-50 kW)
Compatible with Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM transmissions
Integral air control valve included; rotatable flanges for flexible installation
Tech Specs
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Continuous Torque: 300 lb-ft (407 Nm) - see application pages for actual torque ratings
- Mounting Type: 6-Bolt
- Output Shaft Type: 1-1/4" Round with 5/16" Key
- Output Power: 56+ HP (41-50 kW)
- Shift Type: Pneumatic or PowerShift (Pneumatic/Hydraulic)
- Shaft Power at 500 RPM: 29 HP (21 kW); at 1000 RPM: 57 HP (43 kW)
- Compatible Transmissions: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM
Additional Information
Parts manual and diagrams: Chelsea 272 Series PTO parts list with prices
