The Chelsea 272 Series power take-off assembly, part number 272XDAJX-P3RY or 272XDAJXP3RY, is a 6-bolt hot shift PTO built for medium-duty truck and equipment applications. The 272 Series supports intermittent torque up to 300 lb-ft and is available with pneumatic or hydraulic shift. This series consolidates earlier Chelsea designs into one platform offering nine speed ratios and 18 shift configurations. Output shaft options include round shaft with 1-inch or 1-1/4-inch configurations. The pressure lube designation in this part number indicates lubrication method. Common applications include aerial equipment, construction, towing and recovery, and water trucks. Call us to confirm proper fit for your specific transmission and application.
Features
Chelsea 272 Series 6-bolt mounting configuration
Hot shift operation with pneumatic or hydraulic shift options
Intermittent torque rating up to 300 lb-ft (401-500 Nm)
Integral air control valve included
Pressure lube output designation per part number
Suited for aerial, construction, towing and recovery, and water truck applications
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic or Hydraulic (Hot Shift)
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Output Power: 56+ HP (41-50 kW)
- Output Shaft Type: Round Shaft (1" with 1/4" key) or Round Shaft (1-1/4" with 5/16" key)
- Lubrication: Pressure Lube (per part number designation)
- Series: Chelsea 272
Additional Information
The Chelsea 272 Series was designed to replace and consolidate several earlier Chelsea PTO families, including the 230, 231, 236, 238, 270, and 271 series, into a single flexible platform. The series features optional Wet-Spline technology on direct-mount outputs for extended PTO and pump shaft service life, and a Smart Start option for high-torque start-up conditions on driveshaft outputs. Rotatable flanges allow flexible installation orientation. This part is also referenced as SP272XDAJX-P3RY 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.
