The Chelsea 272KKJKX-P3RB or 272KKJKXP3RB is a 272 Series hot shift power take-off assembly with 6-bolt mounting. This series supports intermittent torque ratings from 201 to 300 lb-ft (401-500 Nm) and delivers 56+ horsepower output. The "P" in the part number suffix designates pressure lubrication. Available with hydraulic or pneumatic shift, the 272 Series features an integral air control valve and rotatable flanges. Output shaft options in the 272 Series include round shaft configurations with keyed drives. This PTO is used across aerial, construction, towing and recovery, and water truck applications. Call us to confirm proper fit for your transmission and application.
Features
Chelsea 272 Series 6-bolt hot shift PTO assembly
Pressure lube configuration ("P" designation in part suffix)
Intermittent torque rating: 201-300 lb-ft (401-500 Nm)
Output power: 56+ HP (41-50 kW)
Hot shift design with integral air control valve
Rotatable flanges for flexible installation
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Hot Shift (Hydraulic or Pneumatic)
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Output Power: 56+ HP (41-50 kW)
- Lubrication: Pressure Lube (P designation)
- Output Shaft Type: Round Shaft with Key Drive
- Part Number: 272KKJKX-P3RB or 272KKJKXP3RB
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 unified platform. The 272 Series offers nine speed ratios and eighteen shift options, giving fleet and equipment specifiers broad flexibility when matching a PTO to transmission and application requirements. The Wet-Spline option (available within the series) extends PTO and pump shaft service life. The Smart Start feature addresses high-torque start-up conditions common in towing, recovery, and aerial lift work. Typical application markets include aerial equipment, construction, towing and recovery, water trucks, and material handling.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
