The median annual wage for diesel service technicians and mechanics was $46,360 in May 2017. The median wage is the wage at which half the workers in an occupation earned more than that amount and half earned less. The lowest 10 percent earned less than $30,400, and the highest 10 percent earned more than $69,870.In May 2017, the median annual wages for diesel service technicians and mechanics in the top industries in which they worked were as follows:
| Local government, excluding education and hospitals | $54,490 |
| Wholesale trade | 47,650 |
| Automotive repair and maintenance | 45,010 |
| Truck transportation | 42,630 |
Many diesel technicians, especially those employed by truck fleet dealers and repair shops, receive a commission in addition to their base salary.
Most diesel technicians work full time. Overtime is common, as many repair shops extend their service hours during evenings and weekends. In addition, some truck and bus repair shops provide 24-hour maintenance and repair services.
Employment of diesel service technicians and mechanics is projected to grow 9 percent from 2016 to 2026, about as fast as the average for all occupations.






