The best battery for diesel trucks is an AGM style battery, the highest rated of which are the Optima brand. Typical diesel applications and the common vibrations from a diesel engine make Optima a better choice for diesel trucks.Continue Reading
All battery brands manufacture batteries that are the appropriate group size and rating for diesel truck use, and national brands Interstate and AC Delco have their own AGM products. Optima brand batteries have strong reserve capacity and cranking amps, but are very expensive. The expected use of the battery should determine whether or not that cost is warranted.
Any brand of AGM provides greater reserve, which is the ability to provide power with the engine off. If that is not an anticipated need, the appropriate group size from AC Delco or Interstate in a traditional lead acid battery provides adequate functionality at a more reasonable cost.Learn more about Car Parts & Maintenance