A truck mechanic, also known as a diesel technician or heavy-duty mechanic, is responsible for inspecting, diagnosing, repairing, and maintaining trucks, trailers, and other large vehicles. They specialize in the maintenance and repair of diesel engines, electrical systems, brakes, transmissions, and other mechanical components. Truck mechanics work in a variety of settings, including trucking companies, repair shops, fleet maintenance departments, and dealerships.

Responsibilities:

1. Vehicle Inspection: Perform thorough inspections of trucks and trailers to identify mechanical, electrical, and other issues. This includes checking engine components, brakes, suspension systems, steering mechanisms, and other vital parts.
2. Diagnostic Testing: Utilize diagnostic equipment and tools to identify problems accurately. Conduct tests on engines, transmission systems, and other vehicle components to determine the root cause of malfunctions.
3. Repair and Maintenance: Perform repairs and maintenance tasks on trucks and trailers. This involves disassembling, repairing, and replacing defective parts, such as engines, fuel systems, exhaust systems, and hydraulic systems. Conduct regular maintenance procedures, including oil changes, filter replacements, and lubrication.
4. Troubleshooting: Identify and troubleshoot issues with electrical systems, including wiring, circuits, and lighting. Diagnose problems with computer-controlled systems, such as engine management systems and onboard diagnostics.