The Chelsea 272 Series power take-off assembly, part number 272NBAJP-G3XD or 272NBAJPG3XD, is a 6-bolt hot shift PTO built for medium-duty vocational work. The 272 Series supports up to 300 lb-ft of intermittent torque and consolidates the earlier 230, 231, 236, 238, 270, and 271 series into a single, more versatile platform. Shift options include pneumatic (air) or hydraulic, with an integral air control valve included. The series offers nine speed ratios, eighteen shift configurations, and direct-mount or driveshaft output styles. Wet-Spline technology is available for extended PTO and pump shaft service life. Common applications include aerial, towing and recovery, construction equipment, and water trucks. Call us to confirm proper fit for your specific transmission and installation.
Features
6-bolt mounting configuration for medium-duty hot shift applications
Supports up to 300 lb-ft intermittent torque (201-300 lb-ft range)
Pneumatic (air) or hydraulic shift with integral air control valve included
Nine available speed ratios across eighteen shift configurations
Direct-mount and driveshaft output options; Wet-Spline technology available
Suited for aerial, towing and recovery, construction, and water truck applications
Tech Specs
- 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)
- Speed Ratios: 9 available
- Shift Configurations: 18 available
- Output Shaft Options: Round shaft with 1 in. 1/4 in. key, or round shaft with 1-1/4 in. 5/16 in. key
- Lubricant Options: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
- Part Number: 272NBAJP-G3XD or 272NBAJPG3XD
Additional Information
Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
