The Chelsea 272KMJKX-A5RK is a 272 Series 6-bolt hot shift power take-off assembly, available with pneumatic or hydraulic shift and featuring an integral air control valve. The 272 Series supports up to 300 lb-ft of intermittent torque and is rated for continuous-duty operation. It mounts via a 6-bolt pattern and is used across aerial, construction, towing and recovery, and water truck applications. The series offers rotatable flanges for flexible installation, and output shaft options include round shaft configurations with key drives. Part number 272KMJKX-A5RK or 272KMJKXA5RK. Call us to confirm proper fit for your specific transmission and application.
Features
Chelsea 272 Series 6-bolt hot shift PTO Assembly
Up to 300 lb-ft intermittent torque capability
Pneumatic or hydraulic shift with integral air control valve
Rotatable flanges for flexible mounting orientation
Continuous-duty torque rated design
Suited for aerial, construction, towing and recovery, and water truck applications
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic or Hydraulic
- Intermittent Torque: 201 to 300 lb-ft (401 to 500 Nm)
- Output Shaft Type: Round Shaft (1 in. with 1/4 in. key) or Round Shaft (1-1/4 in. with 5/16 in. key)
- Output Power: 56+ HP (41 to 50 kW)
- Lubricant Options: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
- Part Number: 272KMJKX-A5RK or 272KMJKXA5RK
Additional Information
The Chelsea 272 Series consolidates 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 eighteen shift options, covering the most common direct mount and driveshaft output configurations. Direct mount outputs include an optional Wet-Spline feature for extended PTO and pump shaft service life. Driveshaft outputs include the Smart-Start option, designed for high-torque start-up conditions. The 272 Series is a common choice in aerial lift, construction equipment, towing and recovery, and water truck markets.Parts manual and diagrams: Chelsea 272 Series PTO parts list with prices
