The Chelsea 272XSESX-A5XD is a 6-bolt, hot-shift Power Take-Off assembly from the Chelsea 272 Series, a medium-duty PTO platform that consolidates earlier 230, 231, 236, 238, 270, and 271 series units into one flexible design. Output is through a 1-1/4" round shaft with a 5/16" key. Shift is pneumatic or hydraulic (PowerShift), and the 272 Series carries a continuous torque rating of up to 300 lb-ft (407 Nm), with intermittent ratings in the 201-300 lb-ft range. The series includes an integral air control valve and is built for aerial, towing and recovery, construction equipment, and water truck applications across transmissions from Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM. Call us to confirm proper fit for your transmission and application.
Features
6-bolt mounting configuration for broad transmission compatibility
1-1/4" round output shaft with 5/16" key
Pneumatic or hydraulic (PowerShift) shift with integral air control valve
Continuous torque rating up to 300 lb-ft (407 Nm); intermittent range 201-300 lb-ft (401-500 Nm)
Output power: 56+ HP (41-50 kW); shaft power at 1,000 RPM: 57 HP (43 kW)
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 Hydraulic (PowerShift)
- Compatible Transmission Manufacturers: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and other manufacturers
Additional Information
The Chelsea 272 Series consolidates six earlier PTO series (230, 231, 236, 238, 270, and 271) into a single platform offering nine speed ratios and eighteen shift options. The series features rotatable flanges, an integral air control valve, and an optional Wet-Spline design for extended PTO and pump shaft life. A Smart Start option is available for high-torque start-up conditions. The 272 Series is used across aerial, construction equipment, towing and recovery, water truck, defense, and material handling applications. Also referenced as 272XSESXA5XD.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
