The Chelsea 272XDAJX-13XR is a 6-bolt hot shift power take-off assembly from the Chelsea 272 Series, also referenced as 272XDAJX13XR. This series consolidates several earlier medium-duty PTO lines into one platform rated for up to 300 lb-ft of intermittent torque. It supports both hydraulic and pneumatic shift options and includes an integral air control valve. The 272 Series offers nine speed ratios and eighteen shift configurations, making it a fit across aerial, construction, towing and recovery, and water truck applications. Call us to confirm proper fit for your transmission and application.
Features
6-bolt mounting configuration for medium-duty hot shift PTO applications
Supports hydraulic or pneumatic (air) shift, with integral air control valve included
Up to 300 lb-ft intermittent torque capability across the 272 Series
Nine available speed ratios and eighteen shift configurations within the series
Rotatable flanges for flexible installation orientation
Smart-Start option available within the series for high-torque start-up conditions
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Hydraulic or Pneumatic (Air)
- Intermittent Torque (Series): 201-300 lb-ft (401-500 Nm)
- Output Power (Series): 56+ HP (41-50 kW)
- Output Shaft Type (Series): Round Shaft with 1 in. - 1/4 in. Key, or Round Shaft with 1-1/4 in. - 5/16 in. Key
- Speed Ratios Available (Series): 9
- Shift Configurations Available (Series): 18
- Part Number: 272XDAJX-13XR or 272XDAJX13XR
Additional Information
The Chelsea 272 Series was designed to replace and consolidate the earlier 230, 231, 236, 238, 270, and 271 Series medium-duty hot shift PTOs. Applications include aerial equipment, construction equipment, towing and recovery vehicles, and water trucks. The series supports wet-spline output technology for extended PTO and pump shaft service life, and the Smart-Start option is available for high-torque engagement conditions. Parker Chelsea documents for this series include the 272 Series Parts List (HY25-2272-M1_US) and the 272/282/852/885 Series Owner's Manual, both available through Parker Chelsea.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
