The Chelsea 272 Series Power Take-Off Assembly, part number 272NBHVP-B5XR or 272NBHVPB5XR, is a 6-bolt hot shift PTO built for medium-duty work. It features a 1-1/4" round output shaft with a 5/16" key and supports pneumatic (air) or PowerShift (pneumatic/hydraulic) engagement. Continuous torque capability reaches 300 lb-ft, with intermittent torque rated at 201-300 lb-ft. Output power starts at 56 HP and beyond, with shaft power measured at 57 HP at 1,000 RPM. The 272 Series covers a broad range of transmission fits, including Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM applications. Call us to confirm proper fit for your transmission and pump configuration.
Features
6-bolt hot shift mounting for broad transmission compatibility
Pneumatic (air shift) and PowerShift (pneumatic/hydraulic) shift options
1-1/4" round output shaft with 5/16" key
Continuous torque rating up to 300 lb-ft; intermittent torque 201-300 lb-ft
Shaft power: 57 HP at 1,000 RPM
Compatible with Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM transmissions
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic (Air Shift) / PowerShift (Pneumatic-Hydraulic)
- Output Shaft Type: 1-1/4" Round with 5/16" Key
- Continuous Torque: 300 lb-ft / 407 Nm (verify actual rating on application pages)
- Intermittent Torque: 201-300 lb-ft / 401-500 Nm
- Output Power: 56+ HP / 41-50 kW
- Shaft Power at 500 RPM: 29 HP / 21 kW
- Shaft Power at 1,000 RPM: 57 HP / 43 kW
- Transmission Compatibility: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and others
Additional Information
Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
