7220PXi Series™
Power and performance.
PXi Series V-Twin engines deliver premium power for the toughest jobs. Built with heavy-duty components and advanced filtration to extend engine life, they now feature a standard 3-year limited warranty for both commercial and residential use. Reliability, redefined.
Gross Torque (Nm)
39,57
Displacement (cc)
656
Engine Type
OHV
No. of Cylinders
V-Twin
Features
Optional: Automotive-Style Starting
The starting system ensures electric start at any temperature. Starts as consistently as your car. Electronic Fuel Management (EFM) ensures starting at any temperature from -28 to 50°C. ReadyStart® ensures an automotive-style starting at temperatures from 0 to 49°C
Advanced Air Filtration
The high capacity air cleaner protects the engine from dirt and debris for longer engine life.
Durable Cast Iron Sleeve
Withstands wear and abuse for extended durability. Improved oil control ensures less waste.
For More Information
Visit our Glossary of Engine TermsSpecifications
| 40U8 | |
| Engine Technology | V-Twin, 4-stroke, air-cooled, OHV (Overhead Valve) |
| Engine Fuel | Petrol |
| Engine Configuration | Vertical Shaft |
| Displacement (cc) | 656 |
| Gross Torque* (Nm) @ 3'600 rpm | 39,57 |
| Cylinder | Cost iron sleeve |
| Number of Cylinders | V-Twin |
| Bore (mm) | 75 |
| Stroke (mm) | 73 |
| Start Type | Electric Start |
| Fuel Tank Capacity (l) | N/A |
| Oil Capacity (l) | 1,9 |
| Length (mm) | 485 |
| Width (mm) | 462 |
| Height (mm) | 363 |
| Weight (kg) | 38.1 |
| Lubrication System | Full Pressure Lubrication |
| Oil Filter | Premium |
| Air Filter | Dual Element Cartridge with Advanced Debris Management |
| Muffler | N/A |
| Certified Power Rating | Download Power Curve |
* Power levels are stated gross torque per SAE J1940 as rated by Briggs & Stratton.
* The 3-Year Limited Warranty applies to large vertical PXi Series engine models 40U8, 44U6, and 44U8 produced on or after January 1, 2025. This warranty provides coverage for both commercial and residential applications. You can find the complete warranty details by visiting.
Support
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