Get free quotes

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

Diesel Mechanics in Harristo QLD

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.

36 diesel mechanics based in or serving Harristo; listings updated 7 Oct 2026.

Based nearby, serving Harristo

These businesses aren't based in Harristo but list it as a service area.
Trucks On The Run Pty Ltd

Diesel Mechanics, Mechanics

Based in Wilsonton QLD · serves Harristo
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 Harristo

Open now · 24 hours

Get a quote
Motovated Turbo & Mechanical

Diesel Mechanics, Mechanics, 4x4

Based in Glenvale QLD · serves Harristo
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 Harristo

Closed · opens 8:00 am

Get a quote
MS Mechanical

Diesel Mechanics, Mechanics, 4x4

Based in Harristown QLD · serves Harristo
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 Harristo

Closed · opens 8:00 am

Get a quote
Toowoomba Heavy Diesel

Diesel Mechanics

Based in Harristown QLD · serves Harristo
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 Harristo

Closed · opens 7:00 am

Get a quote
Downs Diesel Repairs

Diesel Mechanics, Mechanics, 4x4

Based in Torrington QLD · serves Harristo
Directions View profile Serves this area Est. 2010

Diesel repair workshop in Torrington, QLD for truck repairs, earthmoving equipment servicing, welding and clutch repairs.
- Truck repairs
- Earthmoving equipment servicing
- Clutch repair
Based in Torrington QLDServes Harristo

Closed · opens 7:30 am

Get a quote
Excavation Empire/ EYERS LOGISTICS

Diesel Mechanics

Based in Drayton QLD · serves Harristo
Directions View profile Serves this area
- Delivery
Based in Drayton QLDServes Harristo

Closed · opens 7:30 am

Get a quote
Power Diesel Services

Diesel Mechanics

Based in Toowoomba City QLD · serves Harristo

Directions View profile Serves this area

Based in Toowoomba City QLDServes Harristo

Get a quote
RRR Trucks

Mechanics, Diesel Mechanics

Based in Charlton QLD · serves Harristo
Directions View profile Serves this area Est. 2022

Truck body and panel shop in Charlton, QLD for body work, panel repair and painting, chassis straightening and fabrication.
- Panel repair & painting
- Chassis straightening
- Fabrication
Based in Charlton QLDServes Harristo

Get a quote
Wideland Hino - Toowoomba

Mechanics, Diesel Mechanics

Based in Torrington QLD · serves Harristo
Directions View profile Serves this area

Hino truck dealership in Torrington, Toowoomba, QLD, with truck servicing and repairs and Hino parts and accessories.
- Truck servicing
- Truck and bus repairs
Based in Torrington QLDServes Harristo

Closed · opens 8:00 am

Get a quote
Steerite Mechanical & Exhaust Centre

Mechanics, Tyres, Diesel Mechanics

Based in Toowoomba QLD · serves Harristo
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 Harristo

Closed · opens 8:00 am

Get a quote
Coughrans Auto Centre

Mechanics, 4x4, Diesel Mechanics, Caravan Repairs

Based in Toowoomba City QLD · serves Harristo
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 Harristo

Closed · opens 7:30 am

Get a quote
Bob Best Mechanical

Mechanics, Auto Electricians, Tyres, Diesel Mechanics

Based in Drayton QLD · serves Harristo
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 Harristo

Closed · opens 8:00 am

Get a quote
Kirk’s Auto

Auto Electricians, Mechanics, 4x4, Diesel Mechanics

Based in North Toowoomba QLD · serves Harristo
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 Harristo

Closed · opens 8:00 am

Get a quote
Blatch's Mechanical Repairs

Mechanics, 4x4, Diesel Mechanics

Based in Toowoomba City QLD · serves Harristo
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 Harristo

Closed · opens 7:00 am

Get a quote
Downs Radiator Service

Tyres, Mechanics, Auto Electricians, Diesel Mechanics

Based in Harristown QLD · serves Harristo
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 Harristo

Closed · opens 8:00 am

Get a quote
Paramount Automotive & Performance

Mechanics, 4x4, Diesel Mechanics

Based in Toowoomba QLD · serves Harristo
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 Harristo

Closed · opens 8:00 am

Get a quote
Toowoomba Steering & Suspension

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

Based in Toowoomba City QLD · serves Harristo
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 Harristo

Closed · opens 8:00 am

Get a quote
Hi Mech Auto Solutions

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

Based in Toowoomba City QLD · serves Harristo
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 Harristo

Closed · opens 8:00 am

Get a quote
KC Mechanical

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

Based in Toowoomba City QLD · serves Harristo
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 Harristo

Closed · opens 7:30 am

Get a quote
Hansen's Automotives & Gas

Mechanics, Auto Electricians, 4x4, Diesel Mechanics

Based in Wilsonton QLD · serves Harristo
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 Harristo

Closed · opens 7:00 am

Get a quote
Toowoomba Auto Fix

Mechanics, 4x4, Tyres, Diesel Mechanics

Based in South Toowoomba QLD · serves Harristo
3.7 (3 reviews) Directions View profile Credentials listed Serves this area 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
Based in South Toowoomba QLDServes Harristo

Closed · opens 8:00 am

Get a quote
Bartons Auto Electrical

Auto Electricians, Mechanics, 4x4, Diesel Mechanics

Based in Toowoomba City QLD · serves Harristo
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 Harristo

Closed · opens 8:00 am

Get a quote
H.M. Mechanical

Mechanics, Auto Electricians, 4x4, Diesel Mechanics

Based in Drayton QLD · serves Harristo
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 Harristo

Closed · opens 9:00 am

Get a quote
Aussie Tyres & Mechanical

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

Based in North Toowoomba QLD · serves Harristo
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 Harristo

Closed · opens 8:30 am

Get a quote

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

Choosing diesel mechanics in Harristo

Diesel mechanics for diesel servicing and repairs, injectors and fuel systems, DPF cleaning and truck repairs. Mechanics Directory lists 36 diesel mechanics in Harristo QLD. Listings show the services each business offers, and a rating where there is one.

What to check before you book

Licences and accreditationsAsk which licence your job needs (it depends on the job and your state) and check the number with the body that issued it. Ask how your vehicle is insured while it's in their care.

Reviews and past workRead recent reviews and ask whether they often do jobs like yours, such as diesel servicing or injector repairs.

A written quoteGet an itemised quote for parts and labour, and ask to be called before any extra work is done.

Local and availableA business based in or serving Harristo is easier to get to, and easier to go back to if something needs another look.

Getting started

Describe the job. Your vehicle's make, model and year, what's wrong or what it needs, and when you need it done.

Shortlist two or three. Use the filters above to narrow this page by rating, listed credentials and website.

Compare quotes. Or send one request and we'll match it with up to 3 diesel mechanics.

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 Harristo?

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 Harristo?

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 Harristo.

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.

Get free quotes

Diesel Mechanics in Harristo QLD

About these results

Based nearby, serving Harristo

Diesel Mechanics in nearby suburbs

Other trades in Harristo

Search a wider area

Not sure which diesel mechanic to call?

Choosing diesel mechanics in Harristo

What to check before you book

Getting started

Frequently asked questions