Australia's directory of mechanics and motoring services
Describe the job once and we'll match it with up to 3 diesel mechanics in Mandalong.
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.
22 diesel mechanics based in or serving Mandalong; listings updated 7 Oct 2026.
These businesses aren't based in Mandalong but list it as a service area.
Diesel Mechanics, Mechanics
Based in Blackalls Park NSW · serves Mandalong
Marine engineers and diesel mechanics in Blackalls Park, NSW, working on boats and outboards around Lake Macquarie.
Based in Blackalls Park NSWServes Mandalong
Diesel Mechanics, Mechanics, 4x4, Caravan Repairs
Based in Bonnells Bay NSW · serves Mandalong
Mobile plant and heavy vehicle maintenance contractor in Bonnells Bay, NSW, servicing machinery, trucks and equipment on site.
Based in Bonnells Bay NSWServes Mandalong
By appointment
Mechanics, Auto Electricians, Tyres, Diesel Mechanics
Based in Toronto NSW · serves Mandalong
Mechanic in Toronto, NSW for logbook servicing, brake and clutch repairs, vehicle inspections and pink, blue and LPG slips.
Based in Toronto NSWServes Mandalong
Closed · opens 8:00 am
Mechanics, 4x4, Diesel Mechanics
Based in Charmhaven NSW · serves Mandalong
Auto repair shop in Charmhaven, NSW for logbook servicing, brake repairs, EFI fault diagnosis and rego inspections.
Based in Charmhaven NSWServes Mandalong
Closed · opens 8:00 am
Mechanics, 4x4, Diesel Mechanics
Based in Berkeley Vale NSW · serves Mandalong
Used car parts and car removals in Berkeley Vale, NSW, with engine and gearbox fitting for local customers.
Based in Berkeley Vale NSWServes Mandalong
Closed · opens 8:00 am
Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics
Based in Toronto NSW · serves Mandalong
Mechanic in Toronto, NSW handling logbook servicing, brake and clutch repairs, diagnostics and wheel alignments for petrol and diesel cars and light trucks.
Based in Toronto NSWServes Mandalong
Closed · opens 7:30 am
Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics
Based in Morisset NSW · serves Mandalong
Morisset Automotive is a mechanic in Morisset, NSW, handling scheduled servicing, safety inspections, clutch and brake work and suspension.
Based in Morisset NSWServes Mandalong
Closed · opens 8:00 am
Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics
Based in Warners Bay NSW · serves Mandalong
Tyre shop and mechanical workshop in Warners Bay, NSW, for logbook servicing, tyres, wheel alignments, brakes and pink and blue slips.
Based in Warners Bay NSWServes Mandalong
Closed · opens 8:00 am
Mechanics, Auto Electricians, 4x4, Diesel Mechanics, Caravan Repairs
Based in Morisset NSW · serves Mandalong
Mobile auto electrician in Morisset, NSW for 12V fit-outs, starter motors, alternators, dual batteries and caravan wiring.
Based in Morisset NSWServes Mandalong
Closed · opens 8:00 am
Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics
Based in Charmhaven NSW · serves Mandalong
Mechanic in Charmhaven, NSW for logbook servicing, brake and clutch repairs, tyres and 4x4 parts and accessories.
Based in Charmhaven NSWServes Mandalong
Closed · opens 8:00 am
Mechanics, Auto Electricians, 4x4, Diesel Mechanics
Based in Tuggerah NSW · serves Mandalong
Mechanic in Tuggerah, NSW for log book servicing, brake and clutch repairs, transmission work and 4x4 suspension and accessories.
Based in Tuggerah NSWServes Mandalong
Closed · opens 8:00 am
Mechanics, 4x4, Tyres, Diesel Mechanics
Based in Toukley NSW · serves Mandalong
Mechanic in Toukley, NSW for logbook servicing, brake and suspension repairs, and safety inspections.
Based in Toukley NSWServes Mandalong
Closed · opens 8:00 am
Mechanic in Doyalson, NSW for car repairs, auto transmission services, LPG services and vehicle inspections.
Based in Doyalson NSWServes Mandalong
Closed · opens 7:00 am
Mechanics, Auto Electricians, Tyres, Diesel Mechanics
Based in Swansea NSW · serves Mandalong
Mechanic in Swansea, NSW for servicing, brake and clutch repairs, diagnostics and pink and blue slips.
Based in Swansea NSWServes Mandalong
Closed · opens 7:30 am
Auto Electricians, Mechanics, 4x4, Diesel Mechanics, Towing
Based in Belmont NSW · serves Mandalong
Auto electrician in Belmont, NSW for auto electrical repairs, air conditioning regas, alternators and dual battery systems.
Based in Belmont NSWServes Mandalong
Closed · opens 8:00 am
Tyres, Mechanics, Auto Electricians, 4x4, Diesel Mechanics, Towing
Based in Berkeley Vale NSW · serves Mandalong
Tyre and mechanical shop in Berkeley Vale, NSW for new and second-hand tyres, wheel alignments, logbook servicing and brake and clutch work.
Based in Berkeley Vale NSWServes Mandalong
Closed · opens 8:00 am
Mechanics, Auto Electricians, Tyres, Diesel Mechanics, Caravan Repairs
Based in Morisset NSW · serves Mandalong
Automotive workshop in Morisset, NSW for logbook servicing, brake and clutch repairs, tyres, wheel alignments and roadworthy inspections.
Based in Morisset NSWServes Mandalong
Closed · opens 8:30 am
Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics, Caravan Repairs
Based in Toronto NSW · serves Mandalong
Heavy diesel and plant mechanics in Toronto, NSW for heavy vehicle repairs, light vehicle servicing and roadside breakdown callouts.
Based in Toronto NSWServes Mandalong
Closed · opens 7:00 am
Mechanics, Auto Electricians, Tyres, Diesel Mechanics
Based in Morisset NSW · serves Mandalong
Car servicing and repair workshop in Morisset, NSW, covering logbook servicing, brakes, transmissions, diagnostics and wheel alignments.
Based in Morisset NSWServes Mandalong
Closed · opens 7:30 am
Mechanics, Auto Electricians, 4x4, Diesel Mechanics
Based in Barnsley NSW · serves Mandalong
Mechanic in Barnsley, NSW for car servicing, brake repairs, suspension and steering work, exhausts and LPG conversions.
Based in Barnsley NSWServes Mandalong
Closed · opens 8:00 am
Mobile diesel mechanic in Wyee, NSW, doing truck repairs, mobile repairs and roadside breakdown service across the Central Coast and Lake Macquarie.
Based in Wyee NSWServes Mandalong
Open now · 24 hours
Mechanics, Diesel Mechanics, Caravan Repairs
Based in Toronto NSW · serves Mandalong
Diesel mechanic in Toronto, NSW, working on trucks and buses, trailers, construction machinery and air compressors.
Based in Toronto NSWServes Mandalong
Closed · opens 6:00 am
No diesel mechanics on this page match all of these filters. Untick one, or clear the filters to see all 22 on this page.
Showing 1–22 of 22 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 Mandalong. 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 22 diesel mechanics in Mandalong NSW. 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 Mandalong.
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 New South Wales, a business that repairs vehicles needs a motor vehicle repairer licence from NSW Fair Trading, and the people doing the work generally need a tradesperson certificate (some minor work is exempt). You can check a licence on the NSW Government's online licence check. In New South Wales, autogas (LPG) work is regulated under the Gas and Electricity (Consumer Safety) Regulation 2018; ask for the autogas licence. 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.
