Yes, you'll need a DOT 406 or if used DOT 306 compliant [tank trailer](https://www.trailersoftexas.com/blog/dot-406-compliant-tank-trailers-buying-guide) to transport fuel from one site to another, as these trailers are designed and built mainly for hauling highly flammable liquids. These trailers have a strong and reliable build, equipped with safety elements to ensure the safe transportation of flammable products.