The Chelsea 272KKJKX-15XD or 272KKJKX15XD is a 272 Series 6-bolt hot shift power take-off assembly. The 272 Series supports intermittent torque ratings from 201 to 300 lb-ft (401-500 Nm) and delivers 56 or more horsepower output. It is available with pneumatic or hydraulic shift and includes an integral air control valve. Rotatable flanges and a wet-spline output option extend service life on direct-mount applications, while the Smart Start feature handles high-torque start-up conditions. The 272 Series is designed for aerial, construction, towing and recovery, and water truck applications. Call us to confirm proper fit for your specific transmission and application.
Features
Chelsea 272 Series 6-bolt mounting configuration
Hot shift operation with pneumatic or hydraulic shift
Intermittent torque rating: 201-300 lb-ft (401-500 Nm)
Output power: 56+ HP (41-50 kW)
Integral air control valve included
Wet-spline output option and Smart Start capability for high-torque start-up
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 Options: 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, updated platform. The series offers nine speed ratios and eighteen shift options, giving specifiers broad flexibility across truck configurations. Direct-mount outputs are available with the optional wet-spline feature for extended PTO and pump shaft life. Driveshaft output configurations include the Smart Start option for demanding high-torque engagement situations. Common applications include aerial work platforms, construction equipment, towing and recovery vehicles, and water trucks.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
