The Chelsea 272XMAJX-A3RB or 272XMAJXA3RB is a 272 Series hot-shift power take-off assembly with a 6-bolt mounting pattern. Output is through a 1-1/4" round shaft with a 5/16" key. Shift options include pneumatic (air) and PowerShift (pneumatic/hydraulic). The 272 Series carries a continuous torque rating up to 300 lb-ft (407 Nm) and intermittent torque of 201-300 lb-ft (401-500 Nm); check application pages for actual torque ratings for your specific installation. Shaft power output reaches 29 HP at 500 RPM and 57 HP at 1,000 RPM. Compatible with transmissions from Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and other manufacturers. Proven in aerial, construction, towing and recovery, and water truck applications. Call us to confirm proper fit for your application.
Features
6-bolt mounting pattern for broad transmission compatibility
1-1/4" round output shaft with 5/16" key
Pneumatic (air) shift and PowerShift (pneumatic/hydraulic) options
Continuous torque up to 300 lb-ft (407 Nm); intermittent torque 201-300 lb-ft (401-500 Nm)
Shaft power: 29 HP at 500 RPM, 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
- Output Power: 56+ HP (41-50 kW)
- Shift Type: Pneumatic (Air Shift), PowerShift (Pneumatic/Hydraulic)
- Shaft Power at 500 RPM: 29 HP (21 kW)
- Shaft Power at 1,000 RPM: 57 HP (43 kW)
- Transmission Compatibility: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, 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.
