The Chelsea 272 Series Power Take-Off Assembly, part number 272AAKUP-B5RK or 272AAKUPB5RK, is a 6-bolt hot-shift PTO with pneumatic or PowerShift (pneumatic/hydraulic) actuation. The output shaft is a 1-1/4" round shaft with a 5/16" key. The 272 Series carries continuous torque ratings up to 300 lb-ft (407 Nm) and intermittent torque of 201-300 lb-ft (401-500 Nm); consult Chelsea application pages for ratings specific to your transmission. Output power reaches 56+ HP (41-50 kW), with shaft power of 29 HP at 500 RPM and 57 HP at 1,000 RPM. This unit mounts to transmissions from Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and other manufacturers. 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 with integral air control valve
1-1/4" round output shaft with 5/16" key
Continuous torque up to 300 lb-ft (407 Nm); intermittent torque 201-300 lb-ft (401-500 Nm)
Output power 56+ HP (41-50 kW); 57 HP at 1,000 RPM shaft speed
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)
- Shaft Power: 29 HP (21 kW) at 500 RPM; 57 HP (43 kW) at 1,000 RPM
- Shift Type: Pneumatic or PowerShift (Pneumatic/Hydraulic)
- Transmission Compatibility: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and other manufacturers
Additional Information
Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
