The Chelsea 272 Series Power Take-Off Assembly, part number 272XBAJP-G5XR or 272XBAJPG5XR, 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 output power of 56+ HP. Shift options include pneumatic (air) and hydraulic, with an integral air control valve. The series offers nine speed ratios and eighteen shift configurations. Direct-mount outputs are available with optional Wet-Spline technology for extended service life; driveshaft outputs include the Smart-Start option for high-torque start-up conditions. Common applications include aerial, construction equipment, water trucks, and towing and recovery. Call us to confirm proper fit for your specific transmission and application.
Features
6-bolt mounting configuration for medium-duty hot shift installations
Intermittent torque rating: 201-300 lb-ft (401-500 Nm)
Output power: 56+ HP (41-50 kW)
Pneumatic (air) or hydraulic shift with integral air control valve
Nine available speed ratios across eighteen shift configurations
Optional Wet-Spline technology and Smart-Start for high-torque start-up conditions
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic (Air) or Hydraulic
- Integral Air Control Valve: Yes
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Output Power: 56+ HP (41-50 kW)
- Speed Ratios: 9 available
- Shift Configurations: 18 available
- Output Shaft Options: Round Shaft 1 in. with 1/4 in. key; Round Shaft 1-1/4 in. with 5/16 in. key
- Lubricant Options: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
- Series: Chelsea 272
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. Markets served include aerial, construction equipment, water trucks, towing and recovery, material handling, defense, water drilling, and other mobile applications. Parker Chelsea documents available for this series include the 272 Series Parts List (HY25-2272-M1_US), the 272/282/852/885 Series Owner's Manual, and the Chelsea PTO Smart Start Option guide. Not sure this is your part? Give us a call and we can help confirm the right PTO for your transmission.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
