The Chelsea 272NAHVP-B3RB or 272NAHVPB3RB is a 6-bolt hot shift power take-off assembly from the Chelsea 272 Series, a medium-duty PTO platform that consolidates several earlier series into a single design. The 1-1/4" round output shaft with a 5/16" key handles intermittent torque in the 201-300 lb-ft (401-500 Nm) range and continuous torque up to 300 lb-ft (407 Nm, with actual ratings dependent on specific application). Shift is pneumatic or PowerShift (pneumatic/hydraulic). The 272 Series supports output shaft power of 56+ HP and is engineered for use with transmissions from Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM, along with other select manufacturers. Typical applications include aerial, construction, water truck, and towing and recovery equipment. Call us to confirm proper fit for your transmission and application.
Features
6-bolt mounting configuration for broad transmission compatibility
1-1/4" round output shaft with 5/16" keyway
Intermittent torque rating: 201-300 lb-ft (401-500 Nm)
Continuous torque rating: up to 300 lb-ft (407 Nm) -- see application pages for verified ratings
Pneumatic and PowerShift (pneumatic/hydraulic) shift options
Compatible transmission manufacturers 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) -- verify on application pages for actual rating
- 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 at 500 RPM: 29 HP (21 kW); at 1000 RPM: 57 HP (43 kW)
- Compatible Transmission Manufacturers: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and other select manufacturers
Additional Information
Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
