The Chelsea 272 Series Power Take-Off Assembly, part number 272ADKUP-D5XD or 272ADKUPD5XD, is a 6-bolt hot shift PTO built for medium-duty vocational applications including aerial, towing and recovery, construction equipment, and water trucks. The 272 Series consolidates multiple legacy Chelsea PTO families into one platform, offering up to 300 lb-ft of intermittent torque and 56-plus horsepower output. Shift options include pneumatic and hydraulic, with an integral air control valve included. Direct mount outputs are available with Wet-Spline technology for extended pump and PTO shaft life. Driveshaft outputs can be equipped with Smart-Start for high-torque engagement conditions. Call us to confirm proper fit for your transmission and application.
Features
6-bolt mounting for medium-duty hot shift installations
Up to 300 lb-ft intermittent torque capacity
Pneumatic or hydraulic shift with integral air control valve
Wet-Spline option available for extended PTO and pump shaft life
Smart-Start option supports high-torque start-up conditions
Rotatable flanges for flexible installation orientation
Tech Specs
- Series: Chelsea 272 Series
- 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 Type: Round Shaft with 1-inch/1/4-inch key or 1-1/4-inch/5/16-inch key
- Continuous Torque: De-rate 30% from intermittent rating (see application pages for actual values)
- Lubricant Codes: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
Additional Information
The Chelsea 272 Series consolidates the legacy 230, 231, 236, 238, 270, and 271 PTO families into a single platform. The series offers nine speed ratios and eighteen shift configurations, making it one of the most application-flexible medium-duty hot shift PTOs available. Common markets include aerial equipment, construction, towing and recovery, water trucks, material handling, and defense. Part number 272ADKUP-D5XD or 272ADKUPD5XD is sold by Pro Gear and Transmission. Not sure this is the right PTO for your truck or transmission? Give us a call and we will help confirm the correct fit.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
