The Chelsea 272KMJKX-P3RK or 272KMJKXP3RK is a 272 Series hot shift power take-off assembly with a 6-bolt mounting configuration. Part of Chelsea's medium-duty 272 Series, this PTO supports intermittent torque up to 300 lb-ft and is designed for air shift or hydraulic shift operation with an integral air control valve. The 272 Series consolidates multiple prior Chelsea PTO lines into a single, flexible platform used across aerial, construction, water truck, and towing and recovery applications. Rotatable flanges and pressure lube (P designation) are part of this assembly's design. Contact Pro Gear and Transmission to confirm this part number fits your transmission and application.
Features
Chelsea 272 Series 6-bolt hot shift PTO assembly
Intermittent torque rating up to 300 lb-ft (401-500 Nm)
Air shift or hydraulic shift with integral air control valve
Pressure lube configuration (P designation in part number)
Rotatable flanges for flexible installation
Suitable for aerial, construction, water truck, and towing and recovery applications
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic (Air) or Hydraulic
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Output Power: 56+ HP (41-50 kW)
- Lubrication: Pressure Lube (P)
- Series: Chelsea 272
Additional Information
The Chelsea 272 Series was developed to replace and consolidate several earlier Chelsea medium-duty PTO lines, including the 230, 231, 236, 238, 270, and 271 Series. The 272 Series offers nine speed ratios and eighteen shift options, making it one of the more adaptable mid-duty PTOs in the Chelsea lineup. Direct-mount configurations within the series are available with optional Wet-Spline technology for extended PTO and pump shaft service life. Driveshaft output configurations include the Smart-Start feature for high-torque start-up conditions. Part number 272KMJKX-P3RK is also referenced as SP272KMJKX-P3RK. Call Pro Gear and Transmission to verify the correct fit for your specific transmission and vehicle.Parts manual and diagrams: Chelsea 272 Series PTO parts list with prices
