The Chelsea 272 Series power take-off assembly, part number 272XSESX-Q5BD or 272XSESXQ5BD, is a 6-bolt hot shift PTO built for medium-duty commercial truck applications. The 272 Series consolidates several prior Chelsea PTO lines into a single platform, offering intermittent torque ratings of 201 to 300 lb-ft (401 to 500 Nm) and output power of 56 HP or more. It is available with hydraulic or pneumatic (air) shift and includes an integral air control valve. The series supports multiple output shaft types, including round shafts with key-drive configurations, and features rotatable flanges for flexible installation. Common applications include aerial equipment, construction, water trucks, and towing and recovery operations. Contact Pro Gear and Transmission to confirm this configuration fits your transmission and equipment.
Features
Chelsea 272 Series 6-bolt hot shift PTO
Intermittent torque rating: 201 to 300 lb-ft (401 to 500 Nm)
Output power: 56+ HP (41 to 50 kW)
Hydraulic or pneumatic (air) shift with integral air control valve
Rotatable flanges for flexible mounting orientation
Compatible with aerial, construction, water truck, and towing and recovery applications
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Hydraulic or Pneumatic (Air)
- Intermittent Torque: 201 to 300 lb-ft (401 to 500 Nm)
- Output Power: 56+ HP (41 to 50 kW)
- Output Shaft Type: Round Shaft with Key Drive (multiple configurations available)
- Integral Air Control Valve: Included
Additional Information
Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
