The Chelsea 272 Series Power Take-Off Assembly, part number 272NCHVP-B3RE or 272NCHVPB3RE, is a 6-bolt hot-shift PTO built for medium-duty applications including towing and recovery, aerial equipment, construction equipment, and water trucks. It uses a 1-1/4" round output shaft with a 5/16" key and supports both pneumatic and hydraulic (PowerShift) shift options with an integral air control valve. Continuous torque capability reaches 300 lb-ft (407 Nm); intermittent torque is rated at 201-300 lb-ft (401-500 Nm). Output power exceeds 56 HP (41-50 kW). Compatible transmission manufacturers include Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM. Call us to confirm proper fit for your application.
Features
6-bolt hot-shift mounting configuration
1-1/4" round output shaft with 5/16" key
Pneumatic or hydraulic (PowerShift) shift with integral air control valve
Continuous torque rating up to 300 lb-ft (407 Nm); intermittent torque 201-300 lb-ft (401-500 Nm)
Output power 56+ HP (41-50 kW); shaft power 57 HP at 1,000 RPM
Compatible with Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM transmissions
Tech Specs
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Continuous Torque: 300 lb-ft (407 Nm) - Check Application Pages for Actual Torque Ratings
- Mounting Type: 6-Bolt
- Output Shaft Type: 1-1/4" Round with 5/16" Key
- Output Power: 56+ HP (41-50 kW)
- Shaft Power: 29 HP (21 kW) at 500 RPM; 57 HP (43 kW) at 1,000 RPM
- Shift Type: Pneumatic or Hydraulic (PowerShift)
- Compatible Transmissions: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM
Additional Information
The Chelsea 272 Series consolidates several earlier medium-duty PTO series - including the 230, 231, 236, 238, 270, and 271 - into a single versatile platform. The 272 series offers nine speed ratios and eighteen shift options. Rotatable flanges allow flexible installation orientation. The Wet-Spline option (where specified) extends PTO and pump shaft service life, and the Smart-Start feature is available for high-torque start-up conditions. Common market applications include aerial lifts, towing and recovery, construction equipment, and water trucks.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
