The Chelsea 272KKJKX-Q5RK or 272KKJKXQ5RK is a 272 Series hot-shift power take-off assembly with a 6-bolt mounting configuration and a 1-1/4" round output shaft with a 5/16" key. Shift options for this series include pneumatic (air) and PowerShift (pneumatic/hydraulic), with an integral air control valve included. Continuous torque capacity reaches 300 lb-ft (407 Nm); intermittent torque is rated 201-300 lb-ft (401-500 Nm). Shaft power output at 1,000 RPM is 57 HP (43 kW). The 272 Series is compatible with transmissions from Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM, among others. Call us to confirm proper fit for your specific transmission and application.
Features
6-bolt mounting configuration for broad transmission compatibility
1-1/4" round output shaft with 5/16" key
Pneumatic (air) shift and PowerShift (pneumatic/hydraulic) options
Integral air control valve included
Continuous torque rating: 300 lb-ft (407 Nm); intermittent: 201-300 lb-ft (401-500 Nm)
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: 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
- Shift Type: Pneumatic (Air Shift); PowerShift (Pneumatic/Hydraulic)
- 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)
- Transmission Compatibility: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and others
Additional Information
Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
