Power Mechanics provides generator repairs, servicing, maintenance and fault finding for homes, businesses and industrial sites across Gauteng. We work across the electrical, control, fuel and mechanical systems that keep backup power running.
Generator problems can involve the engine, fuel system, alternator, AVR, controls or supporting electrical systems. Power Mechanics approaches the fault as a complete system, with diagnosis, repair and testing forming part of the job.
Same-day onsite repairs available
Petrol and diesel generators
Residential, commercial & industrial
Generator fault finding & diagnostics
Experienced technicians
Fast response across Gauteng
Quality workmanship
Preventative maintenance available
6-month workmanship guarantee
From small domestic units to large commercial and industrial machines, we cover the full range of generator repair and servicing work.
Full diagnostic and repair service for petrol and diesel units.
Accurate electrical and mechanical diagnosis before any work begins.
Routine checks that keep your generator reliable between breakdowns.
Scheduled inspections that catch faults before they become costly.
Fast response when backup power can't wait.
Diagnosis and repair of alternator faults affecting output.
Automatic voltage regulator testing and replacement.
Fixing hard-starting and no-start issues at the source.
Testing and replacing batteries that won't hold charge.
Clearing blockages, leaks and delivery faults.
Resolving panel errors and automatic start faults.
Restoring generators that run but don't produce usable power.
Breakdowns can be electrical, mechanical, or simply the result of wear and missed maintenance. If you're seeing any of these, it's best to act before it leaves you without power.
Ideal for home backup, small businesses, portable units and site generators. We inspect ignition, fuel delivery, air intake, charging and output systems to restore reliable running.
Often critical to business continuity, so fast, professional diagnosis matters. We handle starting failure, smoke, power loss, shutdown faults, charging issues and control errors.
Most repairs happen right where your generator sits — saving you the time and cost of transporting it. Routine servicing then keeps small issues from becoming expensive breakdowns.
We assess the unit in place, without transport delays.
Power is restored on location, as quickly as possible.
If workshop attention is needed, we'll tell you before proceeding.
Routine inspection of consumables and wear items.
Confirming charging systems and fuel delivery are sound.
Verifying voltage, control panel and safety systems.
Tell us the problem and your location.
We assess electrical and mechanical systems.
We explain the fault and what's required.
Approved repairs carried out professionally.
We confirm correct operation before we go.
Power Mechanics repairs and services petrol and diesel generators across Gauteng. Pick your area below for local coverage details, or call us directly — we serve the whole region.
Ferndale, Northcliff, Blairgowrie, Cresta, Fontainebleau and surrounding suburbs.
View full Randburg page →Bryanston, Fourways, Rivonia, Lonehill, Sunninghill, Morningside and nearby areas.
View full Sandton page →Halfway House, Noordwyk, Carlswald, Kyalami, Waterfall and nearby business parks.
View full Midrand page →Highveld, Eldoraigne, Wierdapark, The Reeds, Lyttelton, Irene and surrounding suburbs.
View full Centurion page →Menlyn, Moreleta Park, Faerie Glen, Garsfontein, Waterkloof and surrounding suburbs.
View full Pretoria East page →Don't see your area listed — we likely still cover it. Contact us to check.
Contact us →See examples of generator faults Power Mechanics has diagnosed and repaired in Gauteng.
Alternator winding and AVR replacement restored generator output.
Fuel stopper, filters, oil and coolant service followed by load testing.
Speed controller and regulator replacement with fuel injector pump calibration.
Call, WhatsApp or send your details below and we'll get back to you to arrange a same-day onsite visit anywhere in Gauteng.
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From fault finding and emergency breakdowns to servicing and preventative maintenance — professional support for petrol and diesel generators across residential, commercial and industrial environments.