The Chelsea 272 Series PTO Assembly, part number 272XDAJX-J3RK or 272XDAJXJ3RK, is a 6-bolt hot shift power take-off built on Parker Chelsea's medium-duty 272 platform. The 272 Series supports intermittent torque ratings from 201 to 300 lb-ft and is available with either pneumatic or hydraulic shift. It ships with an integral air control valve and features rotatable flanges for flexible installation. The series consolidates earlier Chelsea 230, 231, 236, 238, 270, and 271 PTOs into a single, more capable design. Common applications include aerial, construction equipment, water trucks, towing and recovery, and material handling. Call us to confirm proper fit for your transmission and application.
Features
Chelsea 272 Series 6-bolt hot shift power take-off
Intermittent torque rating: 201 to 300 lb-ft (401 to 500 Nm)
Pneumatic or hydraulic shift with integral air control valve
Rotatable flanges for flexible mounting orientation
Smart-Start option available for high-torque start-up conditions
Wet-Spline output option for extended PTO and pump shaft 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+ HP (41 to 50 kW)
- Output Shaft Options: Round Shaft 1 in. with 1/4 in. key; Round Shaft 1-1/4 in. with 5/16 in. key
- Available Lubricant Configurations: No Pressure Lube (X), Pressure Lube (P), Wet Spline (W)
Additional Information
The Chelsea 272 Series consolidates six previous Chelsea medium-duty hot shift PTO families - the 230, 231, 236, 238, 270, and 271 Series - into a single platform. The 272 Series offers nine speed ratios and eighteen shift options, making it one of the most configurable 6-bolt hot shift PTOs in the medium-duty segment. The Wet-Spline option reduces wear at the output spline interface, and the Smart-Start feature manages engagement under high-torque start-up loads. Typical market applications include aerial equipment, construction, water trucks, towing and recovery, and material handling.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
