Trucks and heavy equipment Mercedes Truck Diesel mechanic for trailers and trucks (Al-Wajh / Dhuba / Sharma). Specialized in diagnosing faults. Equipped for roadside assistance with rapid response to breakdowns. Repairing gearbox engagement issues. Repairing all types of air valves. Repairing air charging problems, compressor renewal, and maintenance. Electrical work, inspection, and programming. Gearbox overhaul. Engine overhaul. Solving blower lifting problems.