Australia's directory of mechanics and motoring services
Describe the job once and we'll match it with up to 3 diesel mechanics in Portsmith.
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.
80 diesel mechanics based in or serving Portsmith; listings updated 7 Oct 2026.
Diesel Mechanics, Mechanics, 4x4
Unit 7 Hollingsworth St, Portsmith QLD 4870
Diesel fuel injection specialist in Portsmith, Cairns, for injector and injection pump repairs, common rail work and turbocharging.
Unit 7 Hollingsworth StPortsmith QLD 4870
Closed · opens tomorrow 8:00 am
Cummins diesel engine service centre in Portsmith, Cairns, for full engine servicing, rebuilds and parts sales.
101 Aumuller StPortsmith QLD 4870
Marine diesel engine repair and supply business in Portsmith, QLD, working on vessels around Cairns and Far North Queensland.
50 Aumuller StPortsmith QLD 4870
Closed · opens tomorrow 8:00 am
Truck and bus repair business in Portsmith, QLD, also supplying new trucks and truck equipment and parts.
63-67 Aumuller StPortsmith QLD 4870
Closed · opens tomorrow 7:00 am
Power generation and diesel engine repair business in Portsmith, QLD, also offering engineering, procurement and construction services.
214/36 Abbott StPortsmith QLD 4870
Closed · opens tomorrow 7:30 am
Mechanics, Auto Electricians, 4x4, Diesel Mechanics
17 Knight St, Portsmith QLD 4870
Auto repair centre in Portsmith, Cairns for logbook servicing, brake and clutch repairs, roadworthy certificates and auto electrical work.
17 Knight StPortsmith QLD 4870
Closed · opens tomorrow 7:30 am
Mechanics, Auto Electricians, Tyres, Diesel Mechanics
4/5 Toohey St, Portsmith QLD 4870
Mechanic in Portsmith, QLD for logbook servicing, dyno tuning, 4x4 and performance upgrades and roadworthy certificates.
4/5 Toohey StPortsmith QLD 4870
Closed · opens tomorrow 7:30 am
Mechanic in Portsmith, QLD for logbook servicing, brake repairs, diagnostics and fleet maintenance, working on cars, 4WDs, vans, utes and trucks.
111/ 113 Draper StPortsmith QLD 4870
Closed · opens tomorrow 8:00 am
Mechanic in Portsmith, Cairns for logbook servicing, brake and clutch repairs, steering and suspension, and vehicle inspections.
245 Hartley StPortsmith QLD 4870
Closed · opens tomorrow 8:00 am
Generator and electrical business in Portsmith, Cairns, for custom genset builds, generator installations, repairs and fabrication.
91 Buchan StPortsmith QLD 4870
Closed · opens tomorrow 7:00 am
Mechanics, Auto Electricians, 4x4, Diesel Mechanics
19 Redden St, Portsmith QLD 4870
Mechanical repairs in Portsmith, Cairns for light and heavy vehicles, auto electrical work, hydraulics and A/C services.
19 Redden StPortsmith QLD 4870
Closed · opens tomorrow 7:00 am
Mechanics, Auto Electricians, 4x4, Diesel Mechanics
48 Aumuller St, Portsmith QLD 4870
Mechanical workshop in Portsmith, QLD handling logbook servicing, dyno tuning, clutch work and performance upgrades.
48 Aumuller StPortsmith QLD 4870
Closed · opens tomorrow 8:00 am
Marine diesel engine and transmission repairer in Portsmith, Cairns, supplying and fitting gearboxes and engine parts.
14 Hollingsworth StPortsmith QLD 4870
Closed · opens tomorrow 7:30 am
Auto Electricians, Diesel Mechanics, Caravan Repairs
25 Hartley St, Portsmith QLD 4870
RV repair, maintenance and auto electrical work in Portsmith, QLD, plus truck accessories.
25 Hartley StPortsmith QLD 4870
Closed · opens Sat 9:00 am
Mechanics, Auto Electricians, 4x4, Diesel Mechanics
Knight St, Portsmith QLD 4870
Car mechanic in Portsmith, Cairns for logbook servicing, brake and clutch repairs, auto electrical work and roadworthy inspections.
Knight StPortsmith QLD 4870
Closed · opens tomorrow 7:30 am
Spring and engineering workshop in Portsmith, Cairns, working on tractor and agricultural springs, shock absorbers and shackles.
3 Redden StPortsmith QLD 4870
Closed · opens tomorrow 7:00 am
Truck and bus mechanic in Portsmith, Cairns, for engine repairs and overhauls, transmission repairs, diagnostics and roadworthy inspections.
35 Buchan StPortsmith QLD 4870
Closed · opens tomorrow 8:00 am
139-143 Hartley StPortsmith QLD 4870
Closed · opens tomorrow 8:00 am
Diesel fitting and mechanical services in Portsmith, Cairns, for fleet maintenance, diesel repairs and hydraulic system repairs.
22 Knight StPortsmith QLD 4870
Closed · opens tomorrow 7:00 am
These businesses aren't based in Portsmith but list it as a service area.
Diesel workshop in Bungalow, Cairns for injector testing, ECU remapping, dyno tuning and DPF repairs.
Based in Bungalow QLDServes Portsmith
Closed · opens tomorrow 7:30 am
Marine and diesel mechanic in Bungalow, QLD for marine diesel repairs, engine servicing and marine generators.
Based in Bungalow QLDServes Portsmith
Closed · opens tomorrow 7:30 am
Diesel Mechanics, Mechanics, Auto Electricians, 4x4, Tyres
Based in Mareeba QLD · serves Portsmith
4x4 mechanical and accessories specialist in Mareeba, QLD for dyno tuning, ECU remapping, bull bars and lift kits.
Based in Mareeba QLDServes Portsmith
Closed · opens tomorrow 8:00 am
Diesel fuel injection specialist in Bungalow, Cairns, for injectors, injection pumps, turbochargers and onboard diagnostics.
Based in Bungalow QLDServes Portsmith
Closed · opens tomorrow 8:00 am
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 80 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 Portsmith. 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 80 diesel mechanics in Portsmith 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 Portsmith.
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.
