The Chelsea 272KKJKX-13RK is a 272 Series hot shift power take-off assembly, mounting via a 6-bolt pattern and rated for up to 300 lb-ft of intermittent torque. The 272 Series consolidates earlier Chelsea medium-duty PTO lines into one platform, offering nine speed ratios and eighteen shift configurations. This series supports both hydraulic and pneumatic shift options and comes with an integral air control valve. Output choices include round shaft with 1" or 1-1/4" key configurations, covering direct-mount pump drives and driveshaft outputs. Common applications include aerial, construction, towing and recovery, and water truck equipment. Call us to confirm proper fit for your transmission and application.
Features
Chelsea 272 Series 6-bolt hot shift PTO assembly
Up to 300 lb-ft intermittent torque capability
Hydraulic or pneumatic (air) shift with integral air control valve
Nine speed ratios and eighteen shift configurations
Round shaft output: 1" (1/4" key) or 1-1/4" (5/16" key)
Suited for aerial, construction, towing and recovery, and water truck applications
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Hydraulic or Pneumatic (Air)
- Intermittent Torque (Series Rating): 201-300 lb-ft (401-500 Nm)
- Output Shaft Type: Round Shaft - 1" with 1/4" Key, or Round Shaft - 1-1/4" with 5/16" Key
- Output Power (Series): 56+ HP (41-50 kW)
- Speed Ratios Available: 9
- Shift Configurations Available: 18
- Lubricant Options: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
- Part Number: 272KKJKX-13RK or 272KKJKX13RK
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 platform. The series offers rotatable flanges, an optional Wet-Spline output for extended PTO and pump shaft service life, and a Smart-Start option designed for high-torque start-up conditions. Markets served include aerial lift, construction equipment, defense, material handling, water drilling, and towing and recovery. Part number 272KKJKX-13RK is also referenced as SP272KKJKX-13RK. Not sure this is your part? Give us a call.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
