The Chelsea 272 Series PTO assembly, part number 272XBAJP-P5RK or 272XBAJPP5RK, is a 6-bolt hot shift power take-off designed for medium-duty mobile equipment applications. The 272 Series consolidates several earlier Chelsea PTO lines into one versatile platform, offering up to 300 lb-ft of intermittent torque and continuous-duty capability. This unit features pressure lube (indicated by the "P" in the part number suffix) and is available with either pneumatic or hydraulic shift. The 272 Series supports rotatable flanges and includes an integral air control valve. Common applications include aerial, towing and recovery, construction equipment, and water trucks. Call us to confirm proper fit for your specific transmission and application.
Features
Chelsea 272 Series 6-bolt hot shift PTO assembly
Pressure lube configuration ("P" suffix in part number)
Up to 300 lb-ft intermittent torque rating
Compatible with pneumatic or hydraulic shift
Integral air control valve included
Rotatable flanges for flexible installation
Tech Specs
- Series: Chelsea 272
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic or Hydraulic
- Intermittent Torque: 201 to 300 lb-ft (401 to 500 Nm)
- Output Power: 56+ HP (41 to 50 kW)
- Lubricant Configuration: Pressure Lube
- Output Shaft Options: Round Shaft (1 in. with 1/4 in. key) or Round Shaft (1-1/4 in. with 5/16 in. key)
Additional Information
The Chelsea 272 Series was developed to replace and consolidate the earlier 230, 231, 236, 238, 270, and 271 Series PTOs into a single, more capable platform. The series offers nine speed ratios and eighteen shift options, making it one of the most flexible medium-duty hot shift PTOs available. The optional Wet-Spline technology extends PTO and pump shaft service life on direct-mount configurations, while the Smart-Start option is available for high-torque start-up conditions on driveshaft output setups. Typical markets include aerial, construction equipment, towing and recovery, water trucks, and defense applications. Part number 272XBAJP-P5RK is also referenced as SP272XBAJP-P5RK in some catalog systems.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
