The Chelsea 272MBAJP-K5RK or 272MBAJPK5RK is a 6-bolt power take-off assembly with pneumatic and PowerShift (pneumatic/hydraulic) actuation. The output shaft is a 1-1/4" round shaft with a 5/16" key. Continuous torque rating is 300 lb-ft (407 Nm); intermittent torque capacity reaches 201-300 lb-ft (401-500 Nm). Output power runs 56+ HP (41-50 kW), with shaft power measured at 29 HP (21 kW) at 500 RPM and 57 HP (43 kW) at 1,000 RPM. Compatible transmission families include Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM. Call us to confirm proper fit for your specific transmission and application.
Features
6-bolt mounting configuration
Pneumatic and PowerShift (pneumatic/hydraulic) shift types
1-1/4" round output shaft with 5/16" key
Continuous torque: 300 lb-ft / 407 Nm (verify on application pages)
Intermittent torque: 201-300 lb-ft / 401-500 Nm
Compatible with Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM transmissions
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic, PowerShift (Pneumatic/Hydraulic)
- Output Shaft Type: 1-1/4" Round with 5/16" Key
- Continuous Torque: 300 lb-ft / 407 Nm (check application pages for actual torque ratings)
- Intermittent Torque: 201-300 lb-ft / 401-500 Nm
- Output Power: 56+ HP / 41-50 kW
- Shaft Power at 500 RPM: 29 HP / 21 kW
- Shaft Power at 1,000 RPM: 57 HP / 43 kW
- Compatible Transmissions: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM
Additional Information
Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
