The Chelsea 272GAHVP-B5SD is a 272 Series 6-bolt hot shift power take-off assembly designed for medium-duty truck applications. The 272 Series consolidates multiple earlier PTO models into one versatile platform, offering up to 300 lb-ft of intermittent torque and continuous-duty capability. This series supports both hydraulic and pneumatic shift options and includes an integral air control valve. Rotatable flanges allow flexible installation, and the wet-spline option helps extend PTO and pump shaft service life. Typical applications include aerial, towing and recovery, construction equipment, and water trucks. Call us to confirm proper fit for your application.
Features
272 Series 6-bolt hot shift PTO assembly
Up to 300 lb-ft intermittent torque (401-500 Nm)
Hydraulic or pneumatic air shift with integral air control valve
Rotatable flanges for flexible mounting orientation
Wet-spline option available for extended PTO and pump shaft life
Smart-Start option supports high-torque start-up conditions
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Hydraulic or Pneumatic (Air)
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Output Power: 56+ HP (41-50 kW)
- Output Shaft Type: Round shaft - 1 in. with 1/4 in. key, or 1-1/4 in. with 5/16 in. key
- Lubricant Options: No Pressure Lube (X), Pressure Lube (P), or Wet Spline (W)
- Part Number: 272GAHVP-B5SD or 272GAHVPB5SD
Additional Information
The Chelsea 272 Series consolidates the earlier 230, 231, 236, 238, 270, and 271 PTO series into a single medium-duty hot shift platform. The 272 Series offers nine speed ratios and eighteen shift options, making it one of the most configurable 6-bolt PTOs in its class. Direct mount outputs are available with the wet-spline option for longer service life, while driveshaft outputs are available with the Smart-Start feature for demanding high-torque engagement conditions. Common markets include aerial, construction equipment, towing and recovery, water trucks, defense, and material handling.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
