The Diesel Technology program at Grays Harbor College prepares students for a career working as a diesel-powered equipment mechanic on trucks, construction equipment, buses, farm equipment, and some marine engines. It includes training for students to obtain a Class A Commercial Driver's Licence (CDL). Students learn preventive maintenance as well as diesel overhaul and installation procedures. They receive practical work experience by working on vehicles and equipment. Training is geared to provide the basic skills, knowledge, and professional attitude required to eventually become a journey-level diesel mechanic.