The Chelsea 272XGAJX-A3RB is a 6-bolt hot shift power take-off assembly from the Chelsea 272 Series, also referenced as 272XGAJXA3RB. The 272 Series consolidates multiple legacy Chelsea PTO lines into one medium-duty platform capable of up to 300 lb-ft of intermittent torque. It mounts via a 6-bolt pattern and is available with pneumatic or hydraulic shift, including an integral air control valve. The series offers nine speed ratios and eighteen shift options, with direct-mount and driveshaft output configurations. Applications span towing and recovery, aerial work, construction equipment, and water trucks. Call us to confirm proper fit for your specific transmission and application.
Features
6-bolt mounting pattern for medium-duty hot shift applications
Up to 300 lb-ft intermittent torque (272 Series rating)
Pneumatic or hydraulic shift with integral air control valve
Nine available speed ratios and eighteen shift configurations
Direct-mount and driveshaft output options within the series
Smart-Start option available for high-torque start-up conditions
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic or Hydraulic
- Intermittent Torque (Series): 201-300 lb-ft (401-500 Nm)
- Output Power (Series): 56+ HP (41-50 kW)
- Output Shaft Type: Round Shaft with 1" 1/4" key, or Round Shaft with 1-1/4" 5/16" key
- Lubricant Options: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
Additional Information
The Chelsea 272 Series was designed to replace and consolidate the earlier 230, 231, 236, 238, 270, and 271 Series PTOs into a single updated platform. The series supports Wet-Spline technology on direct-mount configurations for extended PTO and pump shaft service life. The Smart-Start feature addresses high-torque start-up demands common in aerial and recovery applications. Typical markets include aerial work, construction equipment, towing and recovery, water trucks, material handling, and defense. Part number 272XGAJX-A3RB or 272XGAJXA3RB is sold individually (each). Contact Pro Gear and Transmission to verify compatibility with your transmission model before ordering.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
