Vanguard® 400 EFI/ETC
This 408cc engine is unlike any other single-cylinder on the market, loaded with innovations and features to dominate any job.
- Features Electronic Fuel Injection (EFI) & Electronic Throttle Control (ETC) technologies.
- Standard Integrated Cyclonic Air Filtration that doubles your equipment’s air filter replacement intervals to 600 hours.
- Backed by Vanguard's 3+1 Year Commercial Warranty.
- Designed to deliver a lower total cost of ownership. See how much you could save here.
See even more reasons why the Vanguard 400 EFI/ETC is Your Single Advantage.
Horsepower (HP)
14.0
Displacement (cc)
408
No. of Cylinders
1
Fuel Type
Gas
Features
Vanguard EFI/ETC
Achieve consistent power, optimize fuel efficiency, and improve starting performance with electronic fuel injection (EFI). With electronic throttle control (ETC), the engine instantly adjusts power to match any load, ensuring peak performance at all times. Learn more >>>
Automotive Style Starting
Chokeless starting makes for a simplified user experience and ECM controlled starting for easier diagnostics and alerts.
Cyclonic Air Filtration
The cyclonic air chamber actively manages the air flow and features our Advanced Nano Filter Media with Autoshed technology. This all combined extends the air filter replacement interval to 600 hours.
Engine Warranty**
Three year limited commercial engine warranty for all applications. REGISTER YOUR VANGUARD 400 EFI/ETC ENGINE and receive an additional year of warranty.
Specifications
| Vanguard® 400 EFI/ETC | |
| Model Number | 25E3 |
| HP (Gross)* | 14.0 |
| Engine Displacement (cc) | 408.0 |
| Engine Configuration | Horizontal |
| Bore (in) | 3.46 |
| Stroke (in) | 2.64 |
| Oil Capacity (oz) | 32.0 |
| Fuel Tank Capacity (gal) | 5.99 |
| Compression Ratio | 8.3:1 |
| Air Cleaner | Integrated Cyclonic Air Cleaner |
| Ignition System | Computer Controlled Ignition |
| Lubrication System | Splash Lubrication |
| Length (in) | 21.3 |
| Width (in) | 14.3 |
| Height (in) | 18.6 |
| Weight (lbs) | 87.0 |
| Commercial Engine Warranty** | 3-Year Limited; +1-Year Bonus Warranty With Registration |
| Operator's Manuals |
**See operator's manual or dealer for complete warranty details.
Support

Manuals
Download the operator's manual or illustrated parts list for your Vanguard™ engine by searching your engine model number.

Tips & Troubleshooting
Have a question? Search our Frequently Asked Questions to find answers related to model specifications, routine maintenance, repair or troubleshooting.

Dealer Locator
World class parts delivery, industry-leading global warranties and unparalleled service & training keeps your equipment out of the shop and on the jobsite.

Commercial Limited Warranty
Three-year commercial engine warranty for all applications. See operator's manual or dealer for complete warranty details.

