The Chelsea 272 Series PTO assembly, part number 272XAAJX-P3RK or 272XAAJXP3RK, is a 6-bolt hot shift power take-off built for medium-duty truck applications. The 272 Series supports intermittent torque ratings from 201 to 300 lb-ft and delivers 56-plus HP output. The "P" designation in the part number indicates pressure lubrication. Available with pneumatic or hydraulic shift, the 272 Series features an integral air control valve, rotatable flanges, and wet-spline technology for extended PTO and pump shaft service life. Application markets include aerial, construction equipment, water trucks, and towing and recovery. Call us to confirm proper fit for your transmission and application.
Features
Chelsea 272 Series 6-bolt hot shift PTO assembly
Intermittent torque rating: 201 to 300 lb-ft (401 to 500 Nm)
Output power: 56-plus HP (41 to 50 kW)
Pressure lube ("P" designation in part number)
Pneumatic or hydraulic shift with integral air control valve
Rotatable flanges and wet-spline option for extended component life
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic or Hydraulic
- Intermittent Torque: 201 to 300 lb-ft (401 to 500 Nm)
- Output Power: 56-plus HP (41 to 50 kW)
- Lubrication: Pressure Lube (P)
- Series: Chelsea 272
Additional Information
The Chelsea 272 Series consolidates and replaces the earlier 230, 231, 236, 238, 270, and 271 Series medium-duty hot shift PTOs. The 272 Series offers nine speed ratios and eighteen shift options, making it one of the most configurable medium-duty PTOs available. Direct mount outputs include the optional wet-spline interface for reduced wear on the PTO and pump shaft. Driveshaft output configurations are available with the Smart Start feature, designed to manage high-torque start-up conditions. Common application markets include aerial equipment, construction equipment, water trucks, and towing and recovery operations.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
