The Chelsea 272NAHVP-B3RS or 272NAHVPB3RS is a 272 Series hot shift power take-off assembly built on a 6-bolt mounting pattern. Part of Chelsea's redesigned medium-duty PTO line, the 272 Series consolidates several earlier PTO models into a single platform capable of up to 300 lb-ft of intermittent torque. The series offers nine speed ratios and eighteen shift configurations, with both hydraulic and pneumatic shift options available. This unit includes an integral air control valve and features rotatable flanges for flexible installation. Output shaft options across the 272 Series include round shaft configurations with keyed outputs. The 272 Series is used across aerial, construction, towing and recovery, and water truck applications. Call us to confirm proper fit for your specific transmission and application.
Features
Chelsea 272 Series hot shift power take-off assembly
6-bolt mounting configuration
Up to 300 lb-ft intermittent torque capacity
Hydraulic or pneumatic shift with integral air control valve
Rotatable flanges for flexible installation
Compatible with aerial, construction, towing and recovery, and water truck applications
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic or Hydraulic
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Output Power: 56+ HP (41-50 kW)
- Output Shaft Type: Round shaft with key (available in 1" 1/4" key or 1-1/4" 5/16" key configurations, series-level)
- Part Number: 272NAHVP-B3RS or 272NAHVPB3RS
Additional Information
The Chelsea 272 Series consolidates the earlier 230, 231, 236, 238, 270, and 271 PTO series into a single medium-duty platform. It offers nine speed ratios and eighteen shift options. The Wet-Spline option on direct-mount configurations extends PTO and pump shaft service life. Driveshaft output models can be equipped with Chelsea's Smart-Start feature for high-torque start-up conditions. Applicable markets include aerial, construction equipment, towing and recovery, water trucks, defense, and material handling. Reference documents include the 272 Series Parts List (HY25-2272-M1_US) and the 272/282/852/885 Series Owner's Manual, available from Parker Chelsea.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
