The Chelsea 272 Series Power Take-Off Assembly, part number 272NCHVP-B3XD or 272NCHVPB3XD, is a 6-bolt hot-shift PTO built around a 25/47 gear ratio. It features a 1-1/4" round output shaft with a 5/16" key and supports both pneumatic and PowerShift (pneumatic/hydraulic) engagement. Continuous torque capability reaches 300 lb-ft (407 Nm), with intermittent ratings in the 201-300 lb-ft (401-500 Nm) range. Shaft power output is rated at 29 HP at 500 RPM and 57 HP at 1,000 RPM. The 272 Series consolidates earlier Chelsea medium-duty hot-shift PTO lines into a single platform compatible with Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM transmissions. Call us to confirm proper fit for your application.
Features
6-bolt hot-shift mounting compatible with Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM transmissions
1-1/4" round output shaft with 5/16" key
25/47 gear ratio
Pneumatic or PowerShift (pneumatic/hydraulic) engagement with integral air control valve
Continuous torque rating up to 300 lb-ft (407 Nm); intermittent torque 201-300 lb-ft (401-500 Nm)
Shaft power: 29 HP at 500 RPM, 57 HP at 1,000 RPM
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
- Shift Type: Pneumatic, PowerShift (Pneumatic/Hydraulic)
- Gear Ratio: 25/47
- Shaft Power: 29 HP at 500 RPM; 57 HP at 1,000 RPM
- Transmission Compatibility: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and other manufacturers
Additional Information
Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
