The Chelsea 272 Series power take-off assembly, part number 272XSAJX-A3BD or 272XSAJXA3BD, is a 6-bolt hot shift PTO rated for up to 300 lb-ft of intermittent torque. It belongs to Chelsea's 272 Series, which consolidates multiple legacy PTO lines into one medium-duty platform offering nine speed ratios and 18 shift configurations. The 272 Series supports both pneumatic and hydraulic shift options and includes an integral air control valve. Output shaft options within the series cover round shaft configurations with key drives. Common applications include aerial equipment, towing and recovery, construction equipment, and water trucks. Call us to confirm the exact configuration and fitment for your transmission and application.
Features
Chelsea 272 Series 6-bolt mounting configuration
Hot shift design supports pneumatic or hydraulic shift
Intermittent torque rating up to 300 lb-ft (201-300 lb-ft range)
Integral air control valve included
Nine speed ratios available across the 272 Series platform
Wet-Spline option available for extended PTO and pump shaft service life
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic or Hydraulic (Hot Shift)
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Output Power: 56+ HP (41-50 kW)
- Output Shaft Type: Round shaft with key drive
- Series Speed Ratios: 9 available
- Shift Configurations: 18 available
Additional Information
The Chelsea 272 Series was developed to replace and consolidate the 230, 231, 236, 238, 270, and 271 PTO series into a single medium-duty hot shift platform. Direct mount outputs are available with optional Wet-Spline technology for longer service intervals, while driveshaft output configurations include the Smart-Start option for high-torque engagement conditions. The 272 Series is used across aerial, construction, towing and recovery, water truck, material handling, and defense applications. Part number 272XSAJX-A3BD is sold by Pro Gear and Transmission. Call us to confirm proper fit for your transmission and equipment.Parts manual and diagrams: Chelsea 272 Series PTO parts list with prices
