The Chelsea 272GSAJX-A3XD is a 272 Series hot shift power take-off assembly built on a 6-bolt mount. The 272 Series consolidates several earlier Chelsea medium-duty PTO lines into one platform, offering nine speed ratios and eighteen shift configurations. This series handles up to 300 lb-ft of intermittent torque and supports both pneumatic and hydraulic shift options, with an integral air control valve included. Output options in the 272 Series include round shaft configurations with keyway drives. The 272 Series is used across aerial, construction, towing and recovery, and water truck applications. Also referenced as 272GSAJXA3XD. Call us to confirm proper fit for your transmission and application.
Features
Chelsea 272 Series 6-bolt mounting configuration
Hot shift operation with integral air control valve
Pneumatic or hydraulic shift options
Up to 300 lb-ft intermittent torque capacity
Nine available speed ratios and eighteen shift configurations
Suited for aerial, construction, towing and recovery, and water truck markets
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic or Hydraulic
- Intermittent Torque (Series): 201 to 300 lb-ft (401 to 500 Nm)
- Output Power (Series): 56+ HP (41 to 50 kW)
- Output Shaft Type (Series): Round Shaft with 1" - 1/4" key or Round Shaft with 1-1/4" - 5/16" key
- Speed Ratios Available (Series): 9
- Shift Configurations Available (Series): 18
- Lubricant Codes: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
Additional Information
The Chelsea 272 Series was designed to replace the earlier 230, 231, 236, 238, 270, and 271 Series medium-duty hot shift PTOs, consolidating those lines into a single flexible platform. Series features include optional Wet-Spline technology for extended PTO and pump shaft life on direct-mount configurations, and a Smart Start option for high-torque start-up conditions on driveshaft output configurations. Rotatable flanges allow flexible installation. The 272 Series serves aerial, construction equipment, towing and recovery, water truck, defense, material handling, and water drilling markets. Part number 272GSAJX-A3XD is also referenced as 272GSAJXA3XD. Not sure this is your part? Give us a call.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
