Diesel Mechanic – Fleet Maintenance & Repairs

About the role

The Diesel Mechanic is responsible for maintaining, repairing and servicing a fleet of diesel‑powered trucks, bakkies, trailers and forklifts. The role combines workshop work with on‑road breakdown response to ensure safe and efficient vehicle operation.

Key responsibilities

• Conduct regular inspections, preventative maintenance and repairs on diesel engines, transmissions, brakes, steering and hydraulic systems.
• Diagnose and troubleshoot mechanical, electrical and hydraulic faults using diagnostic tools and software.
• Respond to vehicle breakdowns on the road, providing on‑site diagnostics and repairs or arranging towing when necessary.
• Perform complete engine overhauls, including disassembly, inspection, repair and re‑assembly to manufacturer specifications.
• Maintain and calibrate tools, diagnostic equipment and spare‑part inventory, ordering replacements as required.
• Supervise Assistant Mechanics and collaborate with the Fabricator/Welder on fabrication or welding tasks.
• Complete job cards, service sheets and other documentation, reporting safety concerns and recurring issues.
• Adhere to workshop safety protocols, use PPE and participate in safety meetings.

Required profile

• Extensive experience as a diesel mechanic in a workshop or similar environment.
• Formal training or certification in diesel mechanics is preferred.

Required skills

• Diesel engine maintenance and repair
• Transmission and hydraulic system troubleshooting
• Electrical diagnostics and ECU repair
• Use of diagnostic tools and software
• Engine overhaul procedures
• Reading technical manuals, schematics and diagrams