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ProService Generator Repairs

Updated

Pricing guide

Generator Repair Cost in Gauteng: How a Quote Is Built

In Gauteng, a basic generator service typically costs R900 to R1,800, a starting fault R600 to R3,500 and an AVR replacement R2,200 to R9,000. A callout is R400 to R700 in business hours and R700 to R1,400 after hours. The callout fee is only payable if you do not accept the quotation. If you accept the quotation, the callout fee is waived.Below are all our published ranges and an explanation of every part of a quote: callout, diagnosis, labour and parts.

The final repair price follows diagnosis. You receive a written quote before work starts, and the diagnosis is included at no extra charge when you go ahead with the repair.

Call 082 057 4605Request a quote

Pricing factors

What makes up a generator repair price

01

Callout charges

The callout fee is R400 – R700 in business hours and R700 – R1,400 after hours. The callout fee is only payable if the customer does not accept the quotation. If the quotation is accepted, the callout fee is waived. The written quote is free, and the diagnosis is included at no extra charge when you go ahead with the repair.

02

Diagnosis

Finding the fault takes testing. A flat battery can show up in minutes; an intermittent shutdown may need the set run, loaded and watched. The diagnosis decides what is repaired, so it comes before any quote for parts.

03

Labour

Labour follows the time the work takes on site. Access to the set, the canopy design and whether it has to be isolated from the building’s supply all change that time.

04

Parts

Parts are priced for the make and model on the data plate. Manufacturer and quality aftermarket parts can differ in price, so the quote names the part proposed before it is ordered.

05

Generator capacity

A larger set takes more oil and coolant, larger filters and heavier components, and usually more labour. A 500 kVA standby set and a 10 kVA home set are not comparable jobs.

06

Petrol versus diesel

Small petrol portables have fewer and cheaper parts. Diesel standby sets add fuel injection, cooling, controllers and changeover equipment. A petrol repair is not automatically cheap, though: when one part costs a large share of a new set, replacement may make more sense.

07

Parts availability

Parts for widely sold makes are easier to source. Imported or discontinued parts may need ordering, which affects cost and time. Lead times are explained before work starts.

08

Fault complexity

One failed part is quicker to repair than a fault that involves several systems, such as contaminated fuel that has also affected the injectors.

09

Extra work found during inspection

A visit can uncover a second problem. It is explained and quoted separately, and it is not done without your approval.

Illustrative examples

How a quotation is built up

These are illustrative examples of the steps and quote lines, not real customer jobs or prices.

Illustrative

A portable petrol generator that will not start

  1. You send the make, model and symptom on WhatsApp, with a photo of the data plate.
  2. We tell you the callout fee before the visit. It is waived if you accept the quote.
  3. Diagnosis finds stale fuel and a blocked carburettor jet; the spark is checked as well.
  4. The quote lists labour to clean the carburettor and fuel system, a fuel filter, a spark plug if the old one is worn, and fresh fuel.
  5. You accept the quote, the work is done and the set is test-run with a load connected.

Illustrative

A diesel standby set that does not start when the mains fails

  1. We tell you the callout fee when you book. It is only payable if you do not accept the quote.
  2. The battery fails a load test, and the mains battery charger’s output is low.
  3. The quote lists a replacement battery of the right type for the engine, a charger repair or replacement, labour, and a test of the automatic start and changeover.
  4. Work starts once you accept the quote.

Illustrative

Extra work found during a service

  1. A routine service is quoted and booked.
  2. During the service the technician finds a coolant hose that is weeping.
  3. The service is completed as quoted. The hose replacement is quoted separately with its parts and labour.
  4. It is done only if you approve it, on the same visit or a later one.

Price ranges

Typical price ranges

Ranges include parts and labour and were last reviewed on . They are estimates; the written quote for your job is the price that applies.

Minor repairs and routine maintenance

Oil and filter change
R600 – R1,400
Air filter replacement
R250 – R700
Spark plug replacement (petrol)
R200 – R500
Glow plug replacement (diesel)
R900 – R2,800
Battery replacement
R900 – R2,800
Belt replacement
R450 – R1,400
Basic service (inspection and fluids)
R900 – R1,800
Fuel filter replacement
R300 – R800

Moderate repairs

Starting fault diagnosis and repair
R600 – R3,500
Fuel pump repair or replacement
R1,800 – R4,500
Carburettor cleaning or rebuild
R900 – R2,200
Starter motor repair or replacement
R1,400 – R4,000
Cooling system repair
R1,800 – R5,000
Exhaust system repair
R1,200 – R3,500
Fuel system cleaning and polishing
R1,500 – R3,500
Voltage fluctuation diagnosis and repair
R1,500 – R5,000

Major repairs and overhauls

AVR replacement
R2,200 – R9,000
Control panel repair or reprogramming
R3,500 – R14,000
Injector replacement (diesel)
R3,000 – R9,000
Alternator rewinding
R6,000 – R18,000+
Engine overhaul
R9,000 – R28,000+
Complete rebuild
R18,000 – R55,000+

Callout and testing

Standard callout (business hours)
R400 – R700
Emergency callout (after hours)
R700 – R1,400
Load bank testing
R2,800 – R5,500

The callout fee is only payable if the customer does not accept the quotation. If the quotation is accepted, the callout fee is waived.

Free written quote

Get a quote for your generator

Send your details and what the generator is doing, and we will come back to you with a written quote. For a breakdown, call or WhatsApp: we are open 24/7 and arrive within 1 hour.

Photos of the generator and the data plate can be sent on WhatsApp.

Add your email (optional)
  • Free written quote before any work starts
  • Callout fee waived when you accept the quote
  • 1-year workmanship guarantee

We use your details only to reply to this enquiry and never sell or share them for marketing. Privacy policy

What happens next

  1. We reply with questions about the generator, or to book a visit.
  2. A technician comes to you. For a breakdown we arrive within 1 hour.
  3. The fault is diagnosed on site and you get a written quote. No work starts until you accept it.

Charlie, lead technician: Degree in Mechanical Engineering, Degree in Electrical Engineering, Diesel Plant Fitter. Generator specialists since 2000.

Charges, quotes and payment

Callout charges
The callout fee is R400 – R700 in business hours and R700 – R1,400 after hours. The callout fee is only payable if the customer does not accept the quotation. If the quotation is accepted, the callout fee is waived. The written quote is free, and the diagnosis is included at no extra charge when you go ahead with the repair. Details about callout charges
Diagnosis first
The final repair price follows diagnosis. The fault is tested on site before parts are recommended, and the findings are explained before the quote. Details about diagnosis first
Quotes
A written quote is given before work starts and is valid for 14 days. If more work is found once the job is under way, it is explained and not done without your approval. Details about quotes
Deposits
Large jobs or parts orders may need a deposit of up to 50% before work starts. If a deposit applies, it is stated in the quote. Details about deposits
Payment
Payment is due on completion unless a credit account or another arrangement is agreed in writing. EFT bank transfer and cash are accepted. Details about payment
Cancellations
Bookings can be moved or cancelled with at least 4 hours' notice. Later cancellations may incur a callout fee. Details about cancellations

Pricing FAQ

Common cost questions

Straight answers on pricing, quotes and what happens after you call.

How much does a generator repair cost in Gauteng?

Most generator repairs in Gauteng cost between R600 and R9,000. A starting fault is typically R600 to R3,500, a fuel pump R1,800 to R4,500 and an AVR replacement R2,200 to R9,000. Major work such as alternator rewinding (from R6,000) or an engine overhaul (from R9,000) costs more. The final price follows diagnosis and a written quote.

How much does a generator service cost?

A basic generator service, with oil, filters and an inspection, typically costs R900 to R1,800, depending on the size of the generator and the oil and filters it takes. An oil and filter change on its own is typically R600 to R1,400.

Is there a callout fee?

The callout fee is R400 – R700 in business hours and R700 – R1,400 after hours. The callout fee is only payable if the customer does not accept the quotation. If the quotation is accepted, the callout fee is waived. The written quote is free, and the diagnosis is included at no extra charge when you go ahead with the repair.

Why is there no fixed price over the phone?

The same symptom can have several causes. A set that will not start might need a battery, a starter, a fuel repair or a controller fix. The make, model, kVA and photos you send help prepare the visit, but the quote follows testing.

What if more work is found during the repair?

A written quote is given before work starts and is valid for 14 days. If more work is found once the job is under way, it is explained and not done without your approval.

Is a petrol generator cheaper to repair than a diesel generator?

Often, because small petrol sets have fewer and cheaper parts. But a petrol repair can still cost a large share of a new set, and a diesel standby set may justify a larger repair because of what it protects. The quote and the repair-or-replace comparison decide.

Is it worth repairing an old generator or should I replace it?

Compare the written repair quote with the condition of the engine, alternator and controller, whether parts can still be sourced, and whether the set still matches your load. Our repair-or-replace guide walks through that comparison.

Get a quote for your generator repair

Send the make, model, kVA and what the generator is doing. After diagnosis you receive a written quote before any work begins.

Call 082 057 4605Request a quote