The Chelsea 272 Series power take-off assembly, part number 272XAAJP-B5RY or 272XAAJPB5RY, is a 6-bolt hot shift PTO designed for medium-duty truck applications. The 272 Series supports intermittent torque ratings of 201 to 300 lb-ft and is available with either pneumatic or hydraulic shift. Output options in this series include round shaft with 1-inch or 1-1/4-inch configurations, and the integral air control valve ships as part of the assembly. The 272 Series consolidates the older 230, 231, 236, 238, 270, and 271 series into a single platform, offering nine speed ratios and eighteen shift options. Typical applications include aerial, towing and recovery, water truck, and construction equipment. Call us to confirm proper fit for your transmission and application.
Features
Chelsea 272 Series 6-bolt hot shift PTO assembly
Intermittent torque rating: 201 to 300 lb-ft (401 to 500 Nm)
Pneumatic or hydraulic shift with integral air control valve
Nine speed ratios and eighteen shift options available in series
Rotatable flanges for flexible installation
Smart-Start option in series supports high-torque start-up conditions
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 in. with 1/4 in. key) or Round Shaft (1-1/4 in. with 5/16 in. key)
- Lubricant Options: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
Additional Information
The Chelsea 272 Series consolidates the older 230, 231, 236, 238, 270, and 271 series PTOs into one medium-duty platform. The series offers nine speed ratios and eighteen shift configurations, with direct mount and driveshaft output options. Direct mount configurations can include Wet-Spline technology for extended PTO and pump shaft life. Driveshaft output versions may include Smart-Start for high-torque start-up conditions. Common markets served include aerial, towing and recovery, construction equipment, water trucks, and material handling. Also referenced as SP272XAAJP-B5RY in some catalog references.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
