The Chelsea 272 Series Power Take-Off Assembly, part number 272NCHVP-A5RK or 272NCHVPA5RK, is a 6-bolt hot shift PTO built for medium-duty truck applications including aerial, towing and recovery, construction equipment, and water trucks. The 272 Series consolidates multiple earlier Chelsea PTO series into a single, more flexible platform, offering nine speed ratios and eighteen shift options. This unit features an integral air control valve and is available in pneumatic or hydraulic shift configurations. The series supports intermittent torque of 201 to 300 lb-ft (401 to 500 Nm), with continuous-duty torque capability subject to a 30% de-rate. Output shaft options within the series include round shaft configurations. Call us to confirm proper fit for your 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 configurations available within the series
Rotatable flanges for flexible installation
Suited for aerial, towing and recovery, construction, and water truck applications
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)
- Continuous Torque: De-rate 30% from intermittent rating (see application data)
- Lubricant Options: No Pressure Lube (X), Pressure Lube (P), or Wet Spline (W)
- Dimensions (H x W x L): 15 in. x 12 in. x 14 in.
Additional Information
The Chelsea 272 Series consolidates the earlier 230, 231, 236, 238, 270, and 271 Series into one medium-duty hot shift platform. Wet-Spline technology is available on direct-mount configurations to extend PTO and pump shaft service life. Driveshaft output configurations within the series include the Smart Start option, designed for high-torque start-up conditions. Rotatable flanges allow flexible positioning during installation. The 272 Series is referenced under Parker Chelsea documentation including the 272 Series Parts List (HY25-2272-M1_US) and the 272/282/852/885 Series Owner's Manual.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
