The Chelsea 272 Series PTO assembly, part number 272XCAKP-G5RK or 272XCAKPG5RK, is a 6-bolt hot shift power take-off designed for medium-duty truck applications. The 272 Series supports up to 300 lb-ft of intermittent torque and delivers 56 or more horsepower of output power. It is available with pneumatic or hydraulic shift and includes an integral air control valve. Rotatable flanges allow flexible installation, and the wet-spline option helps extend PTO and pump shaft life. Smart-Start capability handles high-torque start-up conditions. Common applications include aerial, construction equipment, towing and recovery, and water trucks. Call us to confirm proper fit for your application.
Features
Chelsea 272 Series, 6-bolt mounting configuration
Hot shift operation with pneumatic or hydraulic shift options
Integral air control valve included
Up to 300 lb-ft intermittent torque; 56+ HP output power
Rotatable flanges for flexible installation
Smart-Start option for high-torque start-up conditions; wet-spline option available
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic or Hydraulic
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Output Power: 56+ HP (41-50 kW)
- Output Shaft Type: Round shaft (1 in. with 1/4 in. key) or 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 and replaces the earlier 230, 231, 236, 238, 270, and 271 Series medium-duty hot shift PTOs into a single versatile platform. The series offers nine speed ratios and 18 shift options, covering both direct-mount and driveshaft output configurations. Direct-mount variants support the optional wet-spline technology for extended component life. Markets served include aerial, construction equipment, towing and recovery, water trucks, defense, material handling, and water drilling.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
