Diesel mechanics keep trucks, buses, heavy equipment, and generators running. As the backbone of freight and construction fleets, skilled diesel technicians are in steady, well-paid demand — and modern diesels are as much computer diagnostics as they are wrenches.
PM work, basic repairs, learning diagnostics under senior techs. ~$18–$22/hr.
After ASE certs. Independent engine and system repairs. $25–$32/hr.
Toughest diagnostics and rebuilds. $32–$42/hr.
Leading a shop or running a mobile repair business.
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