Vanguard Tips & Troubleshooting

If your engine's spark plug does not seem to be running at 100 percent, learn what you can do to service and maintain it. Read More

There’s a lot to consider when spec’ing an engine on construction equipment. What features matter? What is the end-user looking for? Do noise levels make a difference? The right engine can significantly impact the performance of OEM construction equipment. This FAQ answers common questions for ensuring the right engine powers your equipment. Read More

Fuel tanks are designed to keep your engine's fuel clean, vented and secure. Learn how to properly service and maintain them. Read More

When looking for a direct replacement for your commercial engine, consider all of these variables before making a decision. Read More

If your commercial engine starts up but shortly shuts down again, use these steps to diagnose and potentially fix this issue. Read More

The Model, Type and Trim numbers, stamped directly into the engine, are used to identify our engines. Learn where to find them! Read More

If basic adjustments don’t fix your engine problems or improve performance, learn more about how rebuilding the carburetor may help. Read More

Look no further to find the electrical schematics or wiring diagram for your Vanguard commercial engine as well as alternator guides and resources. Read More

Use your engine's Identified Parts List (IPL) to find all the correct parts for your Vanguard commercial engine. Read More

Having engine problems? Use this comprehensive guide when troubleshooting issues such as an engine not starting, is stalling, surging or running rough. Read More