The Chelsea 272XAAJP-D3XD or 272XAAJPD3XD is a 272 Series hot-shift power take-off built on a 6-bolt mounting pattern. It delivers a 1-1/4" round output shaft with a 5/16" key and supports both pneumatic and hydraulic (PowerShift) engagement. The 272 Series carries a continuous torque rating up to 300 lb-ft (407 Nm) and an intermittent torque range of 201-300 lb-ft (401-500 Nm), with shaft power of 29 HP at 500 RPM and 57 HP at 1,000 RPM. Compatible with transmissions from Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM. The 272 Series consolidates the older 230, 231, 236, 238, 270, and 271 Chelsea PTO lines into one platform. Call us to confirm proper fit for your application.
Features
6-bolt mounting pattern for direct transmission installation
Pneumatic and hydraulic (PowerShift) 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: 29 HP at 500 RPM, 57 HP at 1,000 RPM
Compatible transmissions include Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM
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
Additional Information
The Chelsea 272 Series consolidates several legacy Chelsea PTO lines - the 230, 231, 236, 238, 270, and 271 - into a single medium-duty hot-shift platform. The series offers nine speed ratios and eighteen shift options. Wet-Spline technology is available on direct-mount configurations for extended PTO and pump shaft service life. Driveshaft output configurations include the Smart-Start option for high-torque start-up conditions. Rotatable flanges support flexible installation in tight spaces. Common application markets include towing and recovery, aerial work, construction equipment, and water trucks.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
