The Chelsea 272 Series power take-off assembly, part number 272XBAJP-N5RK or 272XBAJPN5RK, is a 6-bolt hot shift PTO built for medium-duty applications. The 272 Series supports intermittent torque ratings from 201 to 300 lb-ft (401-500 Nm) and delivers 56+ HP output. Shift options include pneumatic (air) or hydraulic, and the series features an integral air control valve. Rotatable flanges and a pressure-lube or wet-spline configuration are available within the 272 family. Typical applications for this series include aerial work, towing and recovery, construction equipment, and water trucks. Call us to confirm proper fit for your specific transmission and chassis.
Features
Chelsea 272 Series 6-bolt hot shift PTO assembly
Intermittent torque rating: 201 to 300 lb-ft (401 to 500 Nm)
Output power: 56+ HP (41 to 50 kW)
Pneumatic (air) or hydraulic shift with integral air control valve
Rotatable flanges for flexible installation
Smart-Start option available for high-torque start-up conditions
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic (Air) or Hydraulic
- Intermittent Torque: 201 to 300 lb-ft (401 to 500 Nm)
- Output Power: 56+ HP (41 to 50 kW)
- Output Shaft Type: Round Shaft (1 in. with 1/4 in. key) or Round Shaft (1-1/4 in. with 5/16 in. key)
- Lubricant Options: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
Additional Information
The Chelsea 272 Series consolidates the earlier 230, 231, 236, 238, 270, and 271 Series PTOs into a single versatile platform. It offers nine speed ratios and eighteen shift options, making it adaptable across a wide range of medium-duty vehicle configurations. The 272 Series is used in aerial, construction, towing and recovery, and water truck applications, as well as defense and material handling. Wet-Spline technology is optionally available on direct-mount outputs for extended PTO and pump shaft service life.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
