Generator Repairs and Overhauls

Mobile generator repairs: starter motors, alternators, injectors, water pumps and control panels. On-site across Gauteng.

Repairs and Overhauls

Mobile Generator Repairs and Overhauls in Gauteng

Gentec Co repairs and overhauls generators on site, including starter motors, alternators, fuel injectors, water pumps, seals, control panels and engine components. We serve Pretoria, Johannesburg, Midrand, the East Rand and the Westrand.
  • Starter motor servicing and replacement
  • Alternator repair
  • Fuel injector servicing
  • Water pump replacement
  • Seal and gasket replacement
  • Control panel repairs
  • General engine component work
  •  
  1. Diagnose: We confirm the real fault first.
  2. Quote: We explain the repair and cost before starting.
  3. Repair: We carry out the work on site where possible.
  4. Test: We run the generator to confirm it's working properly.
  • Hard starting or slow cranking
  • Smoke, leaks or unusual noises
  • Overheating
  • Power surges or drops
  • Repeated shutdowns
Why Choose Us

Why Gauteng Businesses and Homeowners Choose Gentec Co

We come to you.

No transport, no downtime.

Full-service coverage.

One company for maintenance, diagnostics, repairs, testing and fuel care.

Test-based work

We use load bank and megger testing to prove a generator is healthy, not guess.

Wide service area

Pretoria, Johannesburg, Midrand, East Rand and Westrand.

Generator Brands We Service

From home backup units to industrial standby sets, our technicians repair and maintain the brands South Africans rely on.

Get a Generator Service Quote!
Tell us your generator make, size and the problem. We'll reply on WhatsApp with next steps.