The Chelsea 272XDAJP-B3RK or 272XDAJPB3RK is a 6-bolt hot shift power take-off from Chelsea's 272 Series, engineered to consolidate and replace earlier medium-duty PTO lines including the 230, 231, 236, 238, 270, and 271 series. It ships with an integral air control valve and supports both pneumatic and PowerShift (pneumatic/hydraulic) engagement. The output shaft is a 1-1/4" round with a 5/16" key, and the unit delivers continuous torque up to 300 lb-ft (407 Nm), with intermittent ratings in the 201-300 lb-ft (401-500 Nm) range. Compatible transmission makes include Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM. Applications span aerial work, towing and recovery, construction equipment, and water trucks. Call us to confirm proper fit for your transmission and application.
Features
6-bolt mounting for broad transmission compatibility across Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM
Pneumatic and PowerShift (pneumatic/hydraulic) shift options with integral air control valve
1-1/4" round output shaft with 5/16" key
Continuous torque rating up to 300 lb-ft (407 Nm); intermittent torque 201-300 lb-ft (401-500 Nm)
Shaft power output: 29 HP (21 kW) at 500 RPM, 57 HP (43 kW) at 1,000 RPM
Smart-Start option available for high-torque start-up conditions; rotatable flanges for flexible installation
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
- Output Power: 56+ HP (41-50 kW)
- Shift Type: Pneumatic / PowerShift (Pneumatic/Hydraulic)
- Shaft Power at 500 RPM: 29 HP (21 kW)
- Shaft Power at 1,000 RPM: 57 HP (43 kW)
- Compatible Transmission Manufacturers: 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.
