The Chelsea 272 Series Power Take-Off, part number 272RDKUP-B5RK or 272RDKUPB5RK, is a 6-bolt hot-shift PTO with a 1-1/4" round output shaft and 5/16" key. It operates with pneumatic or PowerShift (pneumatic/hydraulic) engagement, making it a capable option across a broad range of medium-duty applications including aerial work, construction equipment, towing and recovery, and water trucks. The 272 Series consolidates several earlier Chelsea PTO lines and delivers up to 300 lb-ft continuous torque capability, with an intermittent torque range of 201-300 lb-ft (401-500 Nm). Output power reaches 56+ HP, and shaft power at 1,000 RPM is rated at 57 HP. The series is compatible with transmissions from Ford, Allison, Eaton/Fuller, Aisin, Volvo/Mack, and RAM, among others. Call us to confirm proper fit for your specific transmission and application.
Features
6-bolt mounting for broad transmission compatibility, including Ford, Allison, Eaton/Fuller, Aisin, Volvo/Mack, and RAM
1-1/4" round output shaft with 5/16" key
Pneumatic or PowerShift (pneumatic/hydraulic) shift engagement with integral air control valve
Intermittent torque rating: 201-300 lb-ft (401-500 Nm); continuous torque capability up to 300 lb-ft (407 Nm)
Shaft power output: 29 HP at 500 RPM, 57 HP at 1,000 RPM
Suited for aerial, construction, towing and recovery, and water truck applications
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)
- Shift Type: Pneumatic / PowerShift (Pneumatic or Hydraulic)
- Shaft Power: 29 HP (21 kW) at 500 RPM; 57 HP (43 kW) at 1,000 RPM
- Compatible Transmissions: Ford, Allison, Eaton/Fuller, Aisin, Volvo/Mack, RAM, and others
