The Chelsea 272XDDAX-A3RK is a 6-Bolt Hot Shift Power Take-Off from the Chelsea 272 Series, a medium-duty PTO platform that consolidates the 230, 231, 236, 238, 270, and 271 Series into a single versatile unit. The 272 Series supports up to 300 lb-ft of intermittent torque and is available with either pneumatic or hydraulic shift. It features an integral air control valve, rotatable flanges, and an optional Wet-Spline output for extended PTO and pump shaft life. The Smart-Start option addresses high-torque start-up conditions. Common applications include aerial equipment, construction equipment, water trucks, and towing and recovery. The 272XDDAX-A3RK is a genuine Chelsea part sold by Pro Gear and Transmission.
Features
6-Bolt mounting configuration for medium-duty hot shift applications
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 installation
Wet-Spline output option for extended PTO and pump shaft service life
Smart-Start option available for high-torque start-up conditions
Tech Specs
- Series: Chelsea 272
- 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
- Lubricant Codes: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
Additional Information
The Chelsea 272 Series consolidates six earlier PTO series (230, 231, 236, 238, 270, and 271) into one platform. The series offers nine speed ratios and eighteen shift options. Direct-mount outputs are available with optional Wet-Spline technology, while driveshaft outputs support the Smart-Start feature for demanding start-up torque conditions. Typical markets include aerial, construction equipment, water trucks, towing and recovery, defense, and material handling.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
