The Chelsea 272XAAJX-13XD is a 6-bolt hot shift Power Take-Off (PTO) from the Chelsea 272 Series. This medium-duty unit handles intermittent torque from 201 to 300 lb-ft (401 to 500 Nm) and delivers 56+ HP output. The 272 Series consolidates several earlier Chelsea PTO lines into one platform, offering nine speed ratios and eighteen shift options. Shift actuation is available in pneumatic or hydraulic configurations, and the series includes an integral air control valve. Common applications include aerial, construction equipment, water trucks, and towing and recovery. A genuine Chelsea part, available from Pro Gear and Transmission.
Features
6-bolt hot shift mounting configuration
Intermittent torque rating: 201 to 300 lb-ft (401 to 500 Nm)
Output power: 56+ HP (41 to 50 kW)
Pneumatic or hydraulic shift with integral air control valve
Compatible with round shaft outputs including 1" with 1/4" key and 1-1/4" with 5/16" key
Suited for aerial, construction, water truck, and towing and recovery 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)
- Output Shaft Type: Round Shaft 1" with 1/4" Key; Round Shaft 1-1/4" with 5/16" Key
- Speed Ratios Available (Series): 9
- Shift Options Available (Series): 18
- Lubricant Options: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
Additional Information
The Chelsea 272 Series consolidates the earlier 230, 231, 236, 238, 270, and 271 PTO lines into a single medium-duty platform. Direct mount configurations offer an optional Wet-Spline feature for extended PTO and pump shaft service life. Driveshaft output versions include the Smart-Start option, designed for high-torque start-up conditions with rotatable flanges for flexible installation.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
