The Chelsea 272NBHVP-B3SD or 272NBHVPB3SD is a 272 Series hot-shift power take-off built on a 6-bolt mount. It features a 1-1/4" round output shaft with a 5/16" key and supports both pneumatic and PowerShift (pneumatic/hydraulic) engagement, making it a practical fit across a wide range of transmissions including Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM applications. The 272 Series carries continuous torque ratings up to 300 lb-ft (407 Nm) and intermittent torque in the 201-300 lb-ft (401-500 Nm) range. Output power reaches 56+ HP (41-50 kW), with shaft power measured at 29 HP at 500 RPM and 57 HP at 1,000 RPM. The 272 Series consolidates and replaces the earlier 230, 231, 236, 238, 270, and 271 Series PTOs. Call us to confirm proper fit for your transmission and application.
Features
6-bolt mounting configuration
1-1/4" round output shaft with 5/16" key
Pneumatic and PowerShift (pneumatic/hydraulic) shift options
Continuous torque 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
Compatible transmissions include Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM
Tech Specs
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Continuous Torque: Up to 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)
- Shaft Power: 29 HP (21 kW) at 500 RPM; 57 HP (43 kW) at 1,000 RPM
- Transmission Compatibility: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and other applications
Additional Information
Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
