The Chelsea 272GAHVP-B3RK or 272GAHVPB3RK is a 272 Series 6-bolt hot shift power take-off assembly with a 1-1/4" round output shaft and 5/16" key. It shifts via pneumatic or PowerShift (pneumatic/hydraulic) actuation and includes an integral air control valve. Intermittent torque rating runs 201-300 lb-ft (401-500 Nm); continuous torque is rated at 300 lb-ft (407 Nm) - verify actual torque for your specific application. Output power reaches 56+ HP (41-50 kW), with shaft power measured at 29 HP (21 kW) at 500 RPM and 57 HP (43 kW) at 1,000 RPM. The 272 Series consolidates several earlier Chelsea medium-duty hot shift PTO lines into one platform, covering transmission fits across Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM. Common applications include towing and recovery, aerial work, construction equipment, and water trucks. Call us to confirm proper fit for your transmission and application.
Features
6-bolt mounting pattern with pneumatic or PowerShift (pneumatic/hydraulic) shift actuation
Integral air control valve included
1-1/4" round output shaft with 5/16" key
Intermittent torque: 201-300 lb-ft (401-500 Nm); continuous torque: 300 lb-ft (407 Nm) - check application pages for actual ratings
Output power: 56+ HP (41-50 kW); shaft power 57 HP (43 kW) at 1,000 RPM
Compatible transmission manufacturers include Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic, PowerShift (Pneumatic/Hydraulic)
- Output Shaft Type: 1-1/4" Round with 5/16" Key
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Continuous Torque: 300 lb-ft (407 Nm) - Check Application Pages for Actual Torque Ratings
- Output Power: 56+ HP (41-50 kW)
- Shaft Power: 29 HP (21 kW) at 500 RPM; 57 HP (43 kW) at 1,000 RPM
- Compatible Transmission Manufacturers: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, Other
Additional Information
Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
