The Chelsea 272 Series Power Take-Off Assembly, part number 272XBAJP-A5RS or 272XBAJPA5RS, is a 6-bolt medium-duty hot shift PTO designed for demanding hydraulic and pneumatic-shift applications. It delivers up to 300 lb-ft of continuous torque (401-500 Nm intermittent range) and 56+ HP output, making it a capable choice for aerial, construction, towing and recovery, and water truck service. The 1-1/4" round output shaft accepts a 5/16" key for direct pump mounting. Shift is pneumatic or PowerShift (pneumatic/hydraulic), with an integral air control valve included. Compatible transmission families include Allison, Eaton/Fuller, Volvo/Mack, Ford, Aisin, and RAM. Call us to confirm proper fit for your specific transmission and application.
Features
6-bolt mounting for broad transmission compatibility across Allison, Eaton/Fuller, Volvo/Mack, Ford, Aisin, and RAM applications
1-1/4" round output shaft with 5/16" key for direct pump mounting
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 rated at 56+ HP (41-50 kW); shaft power: 29 HP at 500 RPM, 57 HP at 1,000 RPM
Suitable for aerial, construction equipment, towing and recovery, and water truck service
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
- Output Power: 56+ HP (41-50 kW)
- Shaft Power: 29 HP (21 kW) at 500 RPM; 57 HP (43 kW) at 1,000 RPM
- Shift Type: Pneumatic or PowerShift (Pneumatic/Hydraulic)
- Compatible Transmission Manufacturers: Allison, Eaton/Fuller, Volvo/Mack, Ford, Aisin, RAM, and other select applications
Additional Information
Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
