The Chelsea 272 Series Power Take-Off Assembly, part number 272GAHVP-D3XD or 272GAHVPD3XD, is a 6-bolt hot-shift PTO built for medium-duty work trucks. It uses a pneumatic PowerShift (pneumatic/hydraulic) shift mechanism with an integral air control valve, and mounts directly to transmissions from Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and other manufacturers. The 1-1/4" round output shaft accepts a 5/16" key. Continuous torque capability for the 272 Series reaches 300 lb-ft (407 Nm); intermittent torque is rated at 201-300 lb-ft (401-500 Nm). Output power exceeds 56 HP. The 272 Series consolidates multiple earlier Chelsea medium-duty PTO lines into one platform with nine speed ratios and 18 shift options. Call us to confirm proper fit for your transmission and application.
Features
6-bolt mounting for broad transmission compatibility including Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM
Pneumatic PowerShift (pneumatic/hydraulic) operation with integral air control valve
1-1/4" round output shaft with 5/16" key
Continuous torque rating up to 300 lb-ft (407 Nm); intermittent torque 201-300 lb-ft (401-500 Nm)
Output power 56+ HP; shaft power at 1,000 RPM: 57 HP (43 kW)
Designed for aerial, construction, towing and recovery, and water truck applications
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)
- Shaft Power at 500 RPM: 29 HP (21 kW); at 1,000 RPM: 57 HP (43 kW)
- Compatible Transmissions: 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.
