Australia's directory of mechanics and motoring services
Describe the job once and we'll match it with up to 3 diesel mechanics in Harristo.
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.
These businesses aren't based in Harristo but list it as a service area.
Mechanics, 4x4, Tyres, Diesel Mechanics
Based in Rockville QLD · serves Harristo
Mechanic in Rockville, QLD for logbook servicing, roadworthy certificates, diagnostics and gearbox work.
Based in Rockville QLDServes Harristo
Closed · opens 8:00 am
Mechanics, Auto Electricians, 4x4, Diesel Mechanics
Based in Torrington QLD · serves Harristo
Mechanical repairs in Torrington, Toowoomba for light and heavy vehicles, auto electrical work, hydraulics and truck and plant maintenance.
Based in Torrington QLDServes Harristo
Closed · opens 7:00 am
Mechanics, 4x4, Tyres, Diesel Mechanics
Based in Toowoomba QLD · serves Harristo
Tyre and mechanical shop in Toowoomba, QLD for new tyres, puncture repairs, wheel alignments, servicing and safety certificates.
Based in Toowoomba QLDServes Harristo
Closed · opens 8:00 am
Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics
Based in Toowoomba City QLD · serves Harristo
Suspension and brake specialist in Toowoomba City, QLD for undercar repairs, brake repairs, wheel alignments and towbar fitting.
Based in Toowoomba City QLDServes Harristo
Closed · opens 8:00 am
Caravan Repairs, Mechanics, Diesel Mechanics
Based in Toowoomba QLD · serves Harristo
Truck and trailer sales and workshop in Toowoomba, QLD, with used and new truck sales, trailers for sale and roadworthy inspections.
Based in Toowoomba QLDServes Harristo
Open now · 24 hours
Caravan Repairs, Mechanics, Diesel Mechanics
Based in Torrington QLD · serves Harristo
Truck and trailer sales and service in Torrington, QLD, for used and new trucks, trailers, workshop repairs and roadworthy inspections.
Based in Torrington QLDServes Harristo
Open now · 24 hours
Caravan Repairs, Mechanics, Diesel Mechanics
Based in Torrington QLD · serves Harristo
Truck and trailer sales and service in Torrington, QLD, with workshop repairs, used and new truck sales and roadworthy inspections.
Based in Torrington QLDServes Harristo
Open now · 24 hours
Equipment supplier and service provider in Torrington, QLD, covering agricultural, construction and forestry machinery, servicing and maintenance.
Based in Torrington QLDServes Harristo
Closed · opens 7:30 am
Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics
Based in Centenary Heights QLD · serves Harristo
Mechanic and tyre shop in Centenary Heights, Toowoomba, for logbook servicing, brake repairs, safety certificates and wheel alignments.
Based in Centenary Heights QLDServes Harristo
Closed · opens 8:00 am
Auto Electricians, Mechanics, 4x4, Diesel Mechanics
Based in Hodgson Vale QLD · serves Harristo
Mobile auto electrician in Hodgson Vale, QLD for truck and 4x4 air conditioning repairs, dual battery installs and wiring repairs.
Based in Hodgson Vale QLDServes Harristo
Open now · 24 hours
Mechanics, Diesel Mechanics
Based in Harristown QLD · serves Harristo
Truck dealer in Harristown, Toowoomba, for new and used truck sales, parts and truck and bus repairs.
Based in Harristown QLDServes Harristo
Closed · opens 8:00 am
Truck and equipment dealer in Charlton, QLD, buying and selling trucks, tippers, trailers and prime movers.
Based in Charlton QLDServes Harristo
Closed · opens 8:00 am
No diesel mechanics on this page match all of these filters. Untick one, or clear the filters to see all 12 on this page.
Showing 25–36 of 36 diesel mechanics · filters apply to this page only
Tell us about the job and we'll match it with up to 3 diesel mechanics in Harristo. Your contact details go only to businesses on a paid plan here, and after you send we tell you which businesses got them. Free, no obligation.
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.
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.
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.
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.
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.
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.
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.
