The Chelsea 272NDHVR-B3RK is a 6-bolt hot shift power take-off from the Chelsea 272 Series. The 272 Series consolidates multiple earlier medium-duty PTO lines into a single platform, supporting intermittent torque ratings from 201 to 300 lb-ft (401-500 Nm) and output power of 56+ HP. Shift type is pneumatic or hydraulic, with an integral air control valve included. The series offers nine speed ratios, eighteen shift options, rotatable flanges, and a Wet-Spline option for extended PTO and pump shaft life. Direct-mount and driveshaft output configurations are available, with Smart-Start capability for high-torque start-up conditions. Common applications for the 272 Series include aerial, construction equipment, water trucks, and towing and recovery.
Features
6-bolt mounting configuration
Pneumatic or hydraulic shift with integral air control valve
Intermittent torque: 201 to 300 lb-ft (401-500 Nm)
Output power: 56+ HP (41-50 kW)
Nine available speed ratios across eighteen shift options
Wet-Spline option for extended PTO and pump shaft service life
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. - 1/4 in. Key) or Round Shaft (1-1/4 in. - 5/16 in. Key)
- Speed Ratios: 9 available
- Shift Options: 18 available
Additional Information
The Chelsea 272 Series consolidates the earlier 230, 231, 236, 238, 270, and 271 PTO series into a single medium-duty platform. Series markets include aerial, construction equipment, water trucks, towing and recovery, material handling, defense, and water drilling. The Wet-Spline option (where specified) extends service life of the PTO and connected pump shaft. The Smart-Start option supports high-torque engagement conditions. Rotatable flanges allow flexible installation orientation. A genuine Chelsea part, available from Pro Gear and Transmission.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
