TURBOCHARGER RECONDITIONING · GAUTENG
Turbocharger reconditioning Gauteng is a specialist service that demands deep diesel engine knowledge, precision machining capability, and hands-on experience with the kind of heavy equipment that powers construction sites, mining operations, and civil infrastructure projects across the province. At CMKT Engineering and Projects, we combine the technical authority of qualified Automotive Engine Fitter Clement Tapera and Diesel Plant Fitter Farai Zhou with a genuine commitment to keeping your machinery running at full capacity without breaking your budget.

UNDERSTANDING THE SERVICE
A turbocharger is a precision rotating assembly that forces compressed air into a diesel engine’s combustion chambers, allowing it to burn more fuel and produce significantly more power than a naturally aspirated engine of the same displacement. In heavy plant machinery — think Caterpillar excavators, JCB TLBs, Cummins-powered dozers, or Weichai-engined rollers — the turbocharger is working under extreme thermal and mechanical stress every single day.
Turbocharger reconditioning is the process of completely stripping, inspecting, cleaning, measuring, repairing, and reassembling a turbocharger unit to restore it to manufacturer-specified performance tolerances. A properly reconditioned turbocharger performs like a new unit at a fraction of the replacement cost.
For fleet owners and plant operators across Gauteng, the economics are straightforward. A quality turbo rebuild on heavy equipment diesel engines can save tens of thousands of rands compared to sourcing an OEM replacement unit, particularly when you factor in the rand’s current exchange rate against major currencies and the lead times involved in importing specialised components.

WARNING SIGNS
Heavy equipment turbos do not usually fail without warning. Knowing what to look for means you can schedule a recondition before a small problem becomes a full mechanical failure.
Indicates the turbocharger is not delivering sufficient boost pressure, causing incomplete combustion. One of the clearest early signs of a failing turbo.
Points to oil entering the turbine or compressor housing — shaft seals are worn and oil is being burned in the combustion process.
A distinct high-pitched whine or grinding from the turbocharger area suggests worn bearings or a damaged impeller. Left unattended, this leads to catastrophic failure — often sending debris directly into the engine intake.
If your excavator or front loader is struggling to produce the torque and response it once delivered, reduced turbo boost is a likely contributor. Increased fuel consumption without corresponding output is a closely related sign.
Inconsistent power delivery, surging, or the engine cutting under load can indicate turbocharger performance issues — particularly on Mitsubishi, ISUZU, Doosan, Deutz, or Tata-powered equipment.
If you are observing any of these symptoms, contact CMKT Engineering immediately on +27 74 578 3032.
HOW WE WORK
A disciplined, systematic process. We do not cut corners and we do not rush an assessment in order to sell you a quick fix.
Full strip-down of the turbocharger unit. Every component catalogued and inspected visually. Failure mode assessment — oil contamination patterns, erosion on turbine blades, scoring on shaft journal, and housing cracks all tell us what went wrong and why. Understanding the root cause is critical.
All components cleaned to remove carbon deposits, sludge, oil varnish, and debris. Shaft diameter, bearing clearance, impeller tip clearance, and housing internal dimensions measured against manufacturer tolerances using precision instruments.
Shafts with minor scoring reground to specification. Worn bearings replaced with quality equivalents. Seals and thrust washers replaced as a matter of course. Impeller and turbine wheels inspected for cracking, erosion, and tip damage — any wheel not meeting specification is replaced. Precision machining completed in-house.
Rotating assemblies balanced to manufacturer-specified tolerances. Turbocharger rotating assemblies spin at speeds exceeding 100 000 RPM — even a very small imbalance generates destructive vibration. Reassembly to correct torque specifications with new fasteners and gaskets throughout.
Engine oil supply to the turbocharger feed line confirmed clean and at correct pressure. Drain line confirmed clear and unrestricted. Turbocharger pre-lubricated before engine start — one of the most commonly missed steps in field replacements and a leading cause of premature bearing failure after reconditioning.
ENGINES WE WORK ON
CMKT Engineering works confidently across the full spectrum of diesel engines found on construction, mining, civil, and transport equipment throughout Gauteng.
Our technicians understand the specific characteristics of each engine and the turbocharger configurations typically fitted to them — no trial-and-error approach.
TRANSPARENT PRICING
The cost of a diesel turbocharger overhaul Gauteng varies depending on the size and complexity of the turbocharger unit, the engine platform it serves, the specific condition of components found during disassembly, and whether precision machining work is required.
As a general reference, reconditioning a turbocharger for a medium-duty construction machine typically represents a saving of 40% to 60% when compared to sourcing a direct OEM replacement — and the performance outcome of a properly completed recondition is comparable to new.
CMKT Engineering provides a clear assessment and cost indication after the initial disassembly and inspection, so you are never faced with unexpected costs mid-job. We believe that quality workmanship and affordability belong together — and that principle informs every quotation we provide.
Honest assessment is part of what makes CMKT Engineering a trusted partner. Not every turbocharger can or should be reconditioned. Where a turbine wheel has suffered a foreign object ingestion event, where the housing has cracked through, or where a unit has already been poorly reconditioned and the base material is no longer sound — the correct advice is replacement. CMKT assists in sourcing appropriate replacement units and advises on quality aftermarket options where OEM parts carry prohibitive lead times or cost.

What We Do
We cover the full range of heavy mechanical and engineering work. Whether you need a single component repaired or a complete engine rebuild, our team handles it with the same level of care every time.

We strip, inspect, machine, and reassemble diesel engines to manufacturer specifications.
Learn More →
Our technicians repair and recondition hydraulic pumps, motors, cylinders, and valves.
Learn More →
We recondition turbochargers and injector pumps to OEM standards.
Learn More →
When your equipment goes down on site, our field response team mobilises fast.
Learn More →
Scheduled servicing for fleets and heavy plant keeps your equipment in top condition.
Learn More →
After every engine rebuild or overhaul, we run dynamometer testing to verify performance.
Learn More →
We repair and rebuild transmissions for heavy plant, trucks, and commercial vehicles.
Learn More →
Our machining capabilities allow us to produce precision components and resurface worn parts.
Learn More →
We offer plant hire and machinery rental for projects that need additional equipment.
Learn More →
Not sure what equipment to buy? Our team gives honest, practical advice.
Learn More →WHY CHOOSE US
Led by Clement Tapera, qualified Automotive Engine Fitter, and Farai Zhou, qualified Diesel Plant Fitter. Specialists in heavy plant and diesel machinery — not generalist mechanics occasionally working on plant.
Where components require precision machining — shaft regrinding, journal re-facing — CMKT Engineering handles this in-house. No delays waiting for external machining shops. Faster turnaround, better quality control.
Our turbocharger reconditioning is backed by complete workshop capability including engine rebuilds, hydraulic component repairs, injector pump reconditioning, transmission repairs, and engine dynamometer testing. One team, one point of contact.
We provide a clear assessment after disassembly. We tell you when reconditioning is not the right answer. We do not perform unnecessary work, and our invoices match our quotations. Quality workmanship and affordability belong together.

What Clients Say
We do not believe in empty promises. Here is what clients across South Africa say about working with us.
CMKT Engineering and Projects overhauled two of our mine spec diesel engines. The turnaround was fast and both units are running stronger than expected. That kind of workmanship is hard to find.
Our excavator hydraulic system failed on site and caused a serious delay. The CMKT field team was on location within hours and had us back up and running the same day.
We have been using CMKT for fleet servicing across our transport operation for over two years. Their workmanship is consistent, their communication is clear, and our vehicle downtime has dropped significantly.
The dynamometer testing after our engine rebuild gave us full confidence before we put the truck back into service. That level of accountability is exactly what we needed.
We are based in Gauteng and we travel to client sites and field breakdowns across South Africa and into neighbouring countries. If your equipment is down, we will get to you.
Based outside these areas? WhatsApp us on +27 74 578 3032 and we will work with you to find a plan.
COMMON QUESTIONS
Most turbocharger reconditioning jobs are completed within one to three working days, depending on the unit size, the condition of components found during disassembly, and whether any precision machining work is required. We provide a realistic timeline in our assessment before work proceeds. Where parts need to be sourced, we communicate this upfront.
In most cases, reconditioning is the better option — it delivers comparable performance to a new unit at 40% to 60% of the OEM replacement cost. However, there are situations where replacement is the correct call, such as when a turbine wheel has suffered severe damage, when the housing is cracked, or when a unit has been poorly reconditioned previously. CMKT Engineering gives you an honest assessment after disassembly so you can make an informed decision.
The most common causes are oil starvation — often from extended service intervals or a blocked oil feed line — contaminated oil carrying abrasive particles, foreign object ingestion through a compromised air filter, overspeeding caused by a fuel system fault, and heat soak when an engine is shut down abruptly without a cooldown period. CMKT Engineering identifies the root cause during reconditioning so the same failure does not recur.
Yes. CMKT Engineering reconditions turbochargers across all the engine platforms we work on — John Deere, Cummins, Caterpillar, Mitsubishi, ISUZU, JCB, Deutz, Weichai, Doosan, and Tata. Our technicians understand the specific turbocharger configurations used on each platform and work accordingly.
Yes. Our field breakdown response team can mobilise to your Gauteng site to carry out initial diagnosis, contain the failure, and advise on the best path to getting your machine back to work. Where a full recondition is required, we coordinate the component or machine recovery and fast-track workshop scheduling. WhatsApp us on +27 74 578 3032 for the fastest response.
CMKT Engineering and Projects delivers expert turbocharger reconditioning Gauteng across the full range of heavy diesel plant engines. Qualified team. In-house machining. Full workshop backup. Honest pricing. Call or WhatsApp us now to get your machine assessed and back to work.
Contact Us
You can use the form below to get a free quote, or for a faster response please WhatsApp us or call us.
CMKT Engineering and Projects is a South African heavy duty engineering business based in Gauteng. Diesel engine overhauls, hydraulic repairs, turbocharger reconditioning, field breakdown response, and plant hire across all nine provinces.