The Chelsea 272GMAJX-13XD is a 272 Series 6-bolt hot shift Power Take-Off assembly. Part of Chelsea's medium-duty hot shift family, the 272 Series consolidates the 230, 231, 236, 238, 270, and 271 into a single, versatile platform. The series supports intermittent torque ratings from 201 to 300 lb-ft (401-500 Nm), shift options in both pneumatic and hydraulic configurations, and an integral air control valve. Output shaft choices include a 1-inch round shaft with 1/4-inch key and a 1-1/4-inch round shaft with 5/16-inch key. The 272 Series suits aerial, towing and recovery, construction, and water truck applications. Call us to confirm proper fit for your specific transmission and application.
Features
272 Series 6-bolt mounting pattern, hot shift design
Intermittent torque: 201 to 300 lb-ft (401 to 500 Nm)
Available with pneumatic (air) shift or hydraulic shift
Integral air control valve included
Output shaft options: 1-inch round with 1/4-inch key or 1-1/4-inch round with 5/16-inch key
Suited for aerial, towing and recovery, construction, and water truck applications
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic (Air) or Hydraulic
- Intermittent Torque: 201 to 300 lb-ft (401 to 500 Nm)
- Output Shaft Type: Round Shaft 1-inch with 1/4-inch key; Round Shaft 1-1/4-inch with 5/16-inch key
- Output Power: 56+ HP (41 to 50 kW)
- Integral Air Control Valve: Yes
Additional Information
The Chelsea 272 Series consolidates six previous PTO series (230, 231, 236, 238, 270, and 271) into one platform. It offers nine speed ratios and eighteen shift options, making it one of the most configurable medium-duty hot shift PTOs available. Direct-mount outputs can be ordered with optional Wet-Spline technology for extended PTO and pump shaft service life. Driveshaft outputs are compatible with the Smart-Start option, designed for high-torque start-up conditions where shock loading is a concern. Common markets include aerial work platforms, construction equipment, towing and recovery, and water trucks. Also referenced as 272GMAJX13XD (no hyphen). Sold by Pro Gear and Transmission.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
