The Chelsea 272 Series power take-off assembly, part number 272AAKUP-B5RF or 272AAKUPB5RF, is a 6-bolt hot shift PTO designed for medium-duty truck applications. The 272 Series consolidates several earlier Chelsea PTO lines into one versatile platform, delivering up to 300 lb-ft of intermittent torque and supporting continuous-duty operation. It is available with hydraulic or pneumatic shift and features an integral air control valve. Output shaft options in the 272 Series include round shaft configurations with keyed outputs. Rotatable flanges allow flexible installation, and the Wet-Spline option is available for extended pump and PTO shaft life. Common applications include aerial, towing and recovery, construction equipment, and water truck service. Call us to confirm proper fit for your specific transmission and application.
Features
Chelsea 272 Series 6-bolt hot shift PTO assembly
Up to 300 lb-ft intermittent torque capability
Hydraulic or pneumatic shift with integral air control valve
Rotatable flanges for flexible mounting
Wet-Spline option available for extended component life
Suited for aerial, towing and recovery, construction, and water truck 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
- Integral Air Control Valve: Yes
- Wet-Spline Option: Available
- Smart-Start Option: Available
Additional Information
Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
