The Chelsea 272 Series Power Take-Off Assembly, part number 272XKAJX-P5RK or 272XKAJXP5RK, is a 6-bolt hot shift PTO built for medium-duty truck applications. The 272 Series consolidates earlier Chelsea designs into a single, versatile platform rated for intermittent torque of 201 to 300 lb-ft (401-500 Nm) and output power of 56-plus HP. Shift options include pneumatic (air) or hydraulic, and the series features an integral air control valve. Output shaft options in the 272 Series include round shaft configurations. Common applications span aerial, construction equipment, water trucks, and towing and recovery work. Call us to confirm proper fit for your transmission and application.
Features
Chelsea 272 Series 6-bolt mounting configuration
Hot shift operation with integral air control valve
Pneumatic or hydraulic shift options available in the series
Intermittent torque rating: 201 to 300 lb-ft (401-500 Nm)
Output power: 56-plus HP in the 272 Series
Suited for aerial, construction, water truck, and towing and recovery applications
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic or Hydraulic
- Intermittent Torque (Series): 201 to 300 lb-ft (401 to 500 Nm)
- Output Power (Series): 56+ HP (41 to 50 kW)
- Lubricant Codes: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
- Part Number: 272XKAJX-P5RK or 272XKAJXP5RK
Additional Information
The Chelsea 272 Series was developed to consolidate the 230, 231, 236, 238, 270, and 271 Series into a single medium-duty platform. The series offers nine speed ratios and eighteen shift options. Direct mount outputs are available with optional Wet-Spline technology for extended PTO and pump shaft service life. Driveshaft outputs in the series include a Smart-Start option designed for high-torque start-up conditions. Rotatable flanges allow flexible installation positioning.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
