The Chelsea 272XDAJX-13XD is a 272 Series 6-bolt hot shift power take-off assembly designed for medium-duty truck applications including aerial, construction equipment, water trucks, and towing and recovery. The 272 Series supports up to 300 lb-ft of intermittent torque and is available with hydraulic or pneumatic shift. It consolidates earlier Chelsea PTO families, including the 230, 231, 236, 238, 270, and 271, into one versatile platform with nine speed ratios and eighteen shift options. The series features an integral air control valve, rotatable flanges, and an optional wet-spline output for extended PTO and pump shaft service life. Also referenced as 272XDAJX13XD. Call us to confirm proper fit for your transmission and application.
Features
272 Series 6-bolt mounting configuration
Hot shift operation with hydraulic or pneumatic shift options
Intermittent torque capability up to 300 lb-ft (401-500 Nm)
Integral air control valve included
Rotatable flanges for flexible installation
Wet-spline output option for extended PTO and pump shaft life
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Hydraulic or Pneumatic (Air)
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Output Power: 56+ HP (41-50 kW)
- Output Shaft Type: Round Shaft (1 in. with 1/4 in. key) or Round Shaft (1-1/4 in. with 5/16 in. key)
- Lubricant Options: No Pressure Lube, Pressure Lube, or Wet Spline
- NMFC Code: 128520 (Hydraulic PTOs, Pumps, Motors)
Additional Information
The Chelsea 272 Series consolidates six earlier Chelsea PTO families, the 230, 231, 236, 238, 270, and 271, into a single medium-duty hot shift platform. With nine available speed ratios and eighteen shift configurations, it covers a wide range of direct-mount and driveshaft output arrangements. The Smart Start option is available for high-torque start-up conditions. Markets served include aerial work platforms, construction equipment, water trucks, towing and recovery, defense, and material handling. Part number 272XDAJX-13XD is also referenced as SP272XDAJX-13XD in some catalog listings.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
