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Describe the job once and we'll match it with up to 3 diesel mechanics in South Toowoomba.

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Diesel Mechanics in South Toowoomba QLD

27 diesel mechanics1 based here · 26 serve the area★ 4.6 average from 60 reviews

About these results

Based here first, then diesel mechanics by rating, then related trades.

A business is Featured only when it holds our Featured plan; Featured is a listing plan, not a rating.

27 diesel mechanics based in or serving South Toowoomba; listings updated 7 Oct 2026.

  1. Toowoomba Auto Fix

    Mechanics, 4x4, Tyres, Diesel Mechanics

    4 Robertson St, South Toowoomba QLD 4350

    3.7 (3 reviews) Directions View profile Credentials listed Est. 2016

    Mechanic in South Toowoomba, QLD for logbook servicing, brake and clutch repairs, diagnostics and safety certificates.

    • Brake Replacements
    • Logbook Servicing
    • Vehicle Engine Diagnostic

    4 Robertson StSouth Toowoomba QLD 4350

    Closed · opens 8:00 am

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  2. Based nearby, serving South Toowoomba

    These businesses aren't based in South Toowoomba but list it as a service area.

  3. Trucks On The Run Pty Ltd

    Diesel Mechanics, Mechanics

    Based in Wilsonton QLD · serves South Toowoomba

    Directions View profile Credentials listed Serves this area Est. 2008

    Mobile diesel mechanic in Wilsonton, QLD, servicing and repairing trucks and trailers across Toowoomba and surrounds.

    • Diesel Truck Mechanics
    • Truck & Trailer Repairs
    • Field Service Repairs

    Based in Wilsonton QLDServes South Toowoomba

    Open now · 24 hours

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  4. Motovated Turbo & Mechanical

    Diesel Mechanics, Mechanics, 4x4

    Based in Glenvale QLD · serves South Toowoomba

    Directions View profile Serves this area Est. 2017

    Turbo and mechanical workshop in Glenvale, QLD for turbocharger repairs, diesel tuning and performance exhausts.

    • Service & repairs to all types & brands…
    • Specialising in performance modification…
    • Performance exhaust systems

    Based in Glenvale QLDServes South Toowoomba

    Closed · opens 8:00 am

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  5. MS Mechanical

    Diesel Mechanics, Mechanics, 4x4

    Based in Harristown QLD · serves South Toowoomba

    Directions View profile Credentials listed Serves this area Est. 2010

    Mechanic in Harristown, QLD for logbook servicing, diesel diagnostics and diesel engine repairs, with a focus on American pickups and trucks.

    • Log Book Servicing
    • Diagnostics - Diesel Specialists
    • Diesel Engine Repairs

    Based in Harristown QLDServes South Toowoomba

    Closed · opens 8:00 am

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  6. Toowoomba Heavy Diesel

    Diesel Mechanics

    Based in Harristown QLD · serves South Toowoomba

    Directions View profile Credentials listed Serves this area Est. 2023

    Heavy diesel mechanic in Harristown, QLD for truck and trailer repairs, engine rebuilds and earthmoving plant servicing.

    • Cummins Engines, tune ups, repairs, rebu…
    • Over pit workshop servicing, B doubles,…
    • Earthmoving plant repair, servicing, mai…

    Based in Harristown QLDServes South Toowoomba

    Closed · opens 7:00 am

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  8. Steerite Mechanical & Exhaust Centre

    Mechanics, Tyres, Diesel Mechanics

    Based in Toowoomba QLD · serves South Toowoomba

    5.0 (8 reviews) Directions View profile Credentials listed Serves this area Est. 1973

    Mechanical and exhaust workshop in Toowoomba, QLD for logbook and fleet servicing, exhaust work, brake repairs and wheel alignments.

    • Exhaust System Replacements
    • Logbook Servicing
    • Front End & Brake Repairs

    Based in Toowoomba QLDServes South Toowoomba

    Closed · opens 8:00 am

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  9. Coughrans Auto Centre

    Mechanics, 4x4, Diesel Mechanics, Caravan Repairs

    Based in Toowoomba City QLD · serves South Toowoomba

    5.0 (6 reviews) Directions View profile Credentials listed Serves this area Est. 1971

    Auto centre in Toowoomba City, QLD for logbook servicing, brake and clutch repairs, exhausts and safety certificates.

    • Log Book Servicing
    • Brake Repairs
    • Vehicle Safety Certificates

    Based in Toowoomba City QLDServes South Toowoomba

    Closed · opens 7:30 am

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  10. Bob Best Mechanical

    Mechanics, Auto Electricians, Tyres, Diesel Mechanics

    Based in Drayton QLD · serves South Toowoomba

    5.0 (5 reviews) Directions View profile Credentials listed Serves this area Est. 2011

    Mechanic in Drayton, QLD for logbook servicing, brakes and clutch repairs, safety certificates and wheel alignments.

    • Safety Certificates
    • New Car Logbook Servicing
    • Brake Machining & Clutch Repairs

    Based in Drayton QLDServes South Toowoomba

    Closed · opens 8:00 am

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  11. Kirk’s Auto

    Auto Electricians, Mechanics, 4x4, Diesel Mechanics

    Based in North Toowoomba QLD · serves South Toowoomba

    5.0 (4 reviews) View profile Serves this area Est. 2002

    Auto electrician and mechanic in North Toowoomba, QLD for auto electrical work, car air conditioning repairs and truck repairs.

    • General Auto Electrical Services
    • Car Air Conditioning Repairs
    • Central Locking System Installations

    Based in North Toowoomba QLDServes South Toowoomba

    Closed · opens 8:00 am

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  12. Blatch's Mechanical Repairs

    Mechanics, 4x4, Diesel Mechanics

    Based in Toowoomba City QLD · serves South Toowoomba

    5.0 (4 reviews) Directions View profile Serves this area Est. 2000

    Mechanic in Toowoomba City, QLD for logbook servicing, brake and clutch repairs, suspension and steering work and safety certificates.

    • Brake Repairs
    • Logbook Servicing
    • Safety Certificates

    Based in Toowoomba City QLDServes South Toowoomba

    Closed · opens 7:00 am

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  13. Downs Radiator Service

    Tyres, Mechanics, Auto Electricians, Diesel Mechanics

    Based in Harristown QLD · serves South Toowoomba

    5.0 (3 reviews) Directions View profile Serves this area Est. 2000

    Radiator and tyre workshop in Harristown, Toowoomba, for radiator repairs and recores, puncture repairs, car batteries and LPG conversions.

    • Radiators
    • Car Battery Replacements
    • Puncture Repair Service

    Based in Harristown QLDServes South Toowoomba

    Closed · opens 8:00 am

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  14. Paramount Automotive & Performance

    Mechanics, 4x4, Diesel Mechanics

    Based in Toowoomba QLD · serves South Toowoomba

    4.6 (5 reviews) Directions View profile Serves this area Est. 2001

    Performance and mechanical workshop in Toowoomba, QLD for dyno tuning, engine building, logbook servicing and safety inspections.

    • Dyno Tuning
    • Engine Building
    • Log Book Servicing

    Based in Toowoomba QLDServes South Toowoomba

    Closed · opens 8:00 am

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  15. Toowoomba Steering & Suspension

    4x4, Mechanics, Auto Electricians, Tyres, Diesel Mechanics

    Based in Toowoomba City QLD · serves South Toowoomba

    4.3 (9 reviews) Directions View profile Serves this area Est. 1975

    Steering and suspension specialist in Toowoomba City, QLD, for lift kits, suspension upgrades, wheel alignments and servicing.

    • Steering & Suspension Repairs
    • Wheel Alignment
    • Suspension Upgrades

    Based in Toowoomba City QLDServes South Toowoomba

    Closed · opens 8:00 am

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  16. Hi Mech Auto Solutions

    Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics

    Based in Toowoomba City QLD · serves South Toowoomba

    5.0 (2 reviews) Directions View profile Serves this area Est. 2006

    Mechanic in Toowoomba City, QLD for logbook servicing, brake repairs, wheel alignments and 4x4 work.

    • Wheel Alignments
    • Logbook Servicing
    • Brake Repairs

    Based in Toowoomba City QLDServes South Toowoomba

    Closed · opens 8:00 am

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  17. KC Mechanical

    Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics

    Based in Toowoomba City QLD · serves South Toowoomba

    5.0 (1 reviews) Directions View profile Credentials listed Serves this area Est. 2013

    Auto repair shop in Toowoomba City, QLD for logbook servicing, roadworthy certificates, engine rebuilds and diagnostics.

    • Logbook Servicing
    • Roadworthy Certificates
    • Nissan Patrol (ZD30 & TD42) Engine Rebui…

    Based in Toowoomba City QLDServes South Toowoomba

    Closed · opens 7:30 am

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  18. GRT–Transmission Specialists

    Mechanics, Diesel Mechanics

    Based in North Toowoomba QLD · serves South Toowoomba

    4.2 (5 reviews) Directions View profile Serves this area Est. 2021

    Transmission specialist in North Toowoomba, QLD for automatic transmission rebuilds, repairs and fault diagnosis.

    • Transmission Rebuilds
    • Transmission Repairs
    • High Performance Transmission Builds

    Based in North Toowoomba QLDServes South Toowoomba

    By appointment

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  19. Hansen's Automotives & Gas

    Mechanics, Auto Electricians, 4x4, Diesel Mechanics

    Based in Wilsonton QLD · serves South Toowoomba

    3.7 (3 reviews) Directions View profile Credentials listed Serves this area Est. 2005

    Automotive workshop in Wilsonton, QLD for logbook servicing, roadworthy certificates, car air conditioning and LPG work.

    • Log Book Servicing
    • Car Air Conditioning
    • Road Worthy Certificates

    Based in Wilsonton QLDServes South Toowoomba

    Closed · opens 7:00 am

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  20. Bartons Auto Electrical

    Auto Electricians, Mechanics, 4x4, Diesel Mechanics

    Based in Toowoomba City QLD · serves South Toowoomba

    3.0 (2 reviews) View profile Serves this area Est. 2000

    Auto electrician in Toowoomba City, QLD for scan tool diagnostics, starter and alternator servicing, rewiring and dual battery setups.

    • Scan Tool Diagnostics
    • Dual Battery Setups
    • Auto Rewiring

    Based in Toowoomba City QLDServes South Toowoomba

    Closed · opens 8:00 am

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  21. H.M. Mechanical

    Mechanics, Auto Electricians, 4x4, Diesel Mechanics

    Based in Drayton QLD · serves South Toowoomba

    Directions View profile Credentials listed Serves this area Est. 1964

    Mechanical workshop in Drayton, QLD handling logbook servicing, safety certificates, brake and suspension jobs and general repairs.

    • Logbook Servicing
    • Roadworthy Certificates
    • Brake Services

    Based in Drayton QLDServes South Toowoomba

    Closed · opens 9:00 am

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  22. Aussie Tyres & Mechanical

    Tyres, Mechanics, Auto Electricians, 4x4, Diesel Mechanics

    Based in North Toowoomba QLD · serves South Toowoomba

    Directions View profile Serves this area Est. 2022

    Tyre and mechanical shop in North Toowoomba, QLD for tyres, wheel alignments, logbook servicing and brake and clutch repairs.

    • Log book servicing
    • Wheel alignments
    • Brake & clutch repairs

    Based in North Toowoomba QLDServes South Toowoomba

    Closed · opens 8:30 am

    Get a quote

  23. Downs Automotive Service

    Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics

    Based in Toowoomba QLD · serves South Toowoomba

    Directions View profile Serves this area Est. 2015

    Automotive repair and service workshop in Toowoomba, QLD for logbook servicing, brake and clutch repairs, wheel alignments and diagnostics.

    • Wheel Alignments
    • Log Book Services
    • Brake Repairs

    Based in Toowoomba QLDServes South Toowoomba

    Closed · opens 7:30 am

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  24. Liebke Tyres & Mechanical

    Mechanics, 4x4, Tyres, Diesel Mechanics

    Based in Toowoomba QLD · serves South Toowoomba

    Directions View profile Serves this area Est. 1991

    Tyre and mechanical shop in Toowoomba, QLD for new tyres, puncture repairs, wheel alignments, servicing and safety certificates.

    • New Tyre Sales & Fitting
    • Wheel Alignments
    • Safety Certificates

    Based in Toowoomba QLDServes South Toowoomba

    Closed · opens 8:00 am

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  25. Pedders Suspension & Brakes Toowoomba

    Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics

    Based in Toowoomba City QLD · serves South Toowoomba

    Directions View profile Serves this area Est. 1950

    Suspension and brake specialist in Toowoomba City, QLD for undercar repairs, brake repairs, wheel alignments and towbar fitting.

    • Brake Repairs
    • Suspension Repairs
    • Wheel Alignment

    Based in Toowoomba City QLDServes South Toowoomba

    Closed · opens 8:00 am

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No diesel mechanics on this page match all of these filters. Untick one, or clear the filters to see all 24 on this page.

Showing 1–24 of 27 diesel mechanics · filters apply to this page only

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Choosing diesel mechanics in South Toowoomba

Diesel mechanics for diesel servicing and repairs, injectors and fuel systems, DPF cleaning and truck repairs. Mechanics Directory lists 27 diesel mechanics in South Toowoomba QLD. Listings show the services each business offers, and a rating where there is one.

What to check before you book

Getting started

  1. Describe the job. Your vehicle's make, model and year, what's wrong or what it needs, and when you need it done.
  2. Shortlist two or three. Use the filters above to narrow this page by rating, listed credentials and website.
  3. Compare quotes. Or send one request and we'll match it with up to 3 diesel mechanics.
  4. Agree in writing. Confirm the price, what's included and when the vehicle will be ready before work begins.

Frequently asked questions

How do I choose between diesel mechanics in South Toowoomba?

Compare two or three. Ask whether they work on your make, and on light vehicles, trucks or machinery, whether they can come to you, and for a written quote for parts and labour. A business that is owner verified on Mechanics Directory has confirmed it runs the listing.

How much does a diesel service cost in South Toowoomba?

It depends on the vehicle or machine, the oil and filters it takes, and whether the injectors, turbo or DPF need work. Asking two or three local diesel mechanics for a written quote is the quickest way to see the going rate in South Toowoomba.

Do diesel mechanics need to be licensed?

Licensing depends on the work and the state. Modifications such as GVM upgrades need certifying under your state's rules, and outside Western Australia and the Northern Territory, modifications to heavy vehicles over 4.5 tonnes are regulated by the National Heavy Vehicle Regulator. In Queensland, ask the business which qualifications and licences apply to your job. Listings marked "Credentials listed" show a licence, accreditation or membership on the business's profile. We don't check it, so confirm it with whoever issued it.

What is DPF cleaning?

A diesel particulate filter (DPF) traps soot from the exhaust and burns it off on longer runs at highway speed. Lots of short trips can stop that happening, so the filter blocks and a warning light comes on. A diesel mechanic can check the filter and clean it or run a forced regeneration.

What does "serves this area" mean?

Some businesses are based in a nearby suburb but cover this area, including mobile mechanics and towing services that come to you. On suburb pages we list businesses based in the suburb first, then the ones that say they serve it.

How do free quotes work?

Tell us about the job once. We match your request with up to 3 diesel mechanics near you. A business on a paid plan here gets it with your name and contact details and can contact you directly. A business on the free plan sees the job and your suburb but not your details, so it can't contact you unless it upgrades. A business that hasn't claimed its listing sees your request only once it claims. After you send, we tell you which applies to each business. It's free and there's no obligation.