The oil change interval for semi trucks can vary depending on the specific make and model of the truck, as well as the specific operating conditions. Generally, the oil change interval for semi trucks ranges from 15,000 to 25,000 miles or every 6 to 12 months, whichever comes first.
However, some heavy-duty vehicles may require oil changes even more frequently, such as every 8,000 or 10,000 miles, under severe operating conditions. Severe operating conditions may include frequent stop-and-go traffic, extreme temperatures, dusty environments, or heavy hauling
