How much does a diesel repair shop make?

The revenue of a diesel repair shop can vary widely based on factors such as location, size, services offered, and customer base. On average, a small to medium-sized diesel repair shop might generate between $200,000 to $1 million annually. Larger shops or those that service fleets can earn significantly more, sometimes exceeding $5 million per year. Profit margins typically range from 10% to 30%, depending on operational efficiency and market demand.