Australia's directory of mechanics and motoring services
Describe the job once and we'll match it with up to 3 diesel mechanics in Maryland.
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.
25 diesel mechanics based in or serving Maryland; listings updated 7 Oct 2026.
These businesses aren't based in Maryland but list it as a service area.
Diesel Mechanics, Mechanics, Auto Electricians
Based in Rutherford NSW · serves Maryland
Diesel mechanics in Rutherford, NSW for truck and trailer repairs, hydraulic diagnostics and diesel engine work.
Based in Rutherford NSWServes Maryland
Open now · 24 hours
Heavy machinery repair and maintenance in Beresfield, NSW, servicing earthmoving and mining plant, trucks and excavators on site.
Based in Beresfield NSWServes Maryland
Open now · 24 hours
Cummins in Hexham, NSW supplies diesel engines and provides generator servicing, field service and planned maintenance.
Based in Hexham NSWServes Maryland
Closed · opens 7:00 am
Mechanic in Edgeworth, NSW for logbook servicing, brake and clutch repairs, diagnostics and safety inspections.
Based in Edgeworth NSWServes Maryland
Closed · opens 8:00 am
Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics
Based in Edgeworth NSW · serves Maryland
Mechanic in Edgeworth, NSW for logbook servicing, brake and clutch repairs, roadworthy inspections and auto electrical work.
Based in Edgeworth NSWServes Maryland
Closed · opens 8:00 am
Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics
Based in New Lambton NSW · serves Maryland
Mechanic in New Lambton, NSW for logbook servicing, rego checks, gearbox repairs and tyres.
Based in New Lambton NSWServes Maryland
Closed · opens 7:30 am
Mechanics, 4x4, Diesel Mechanics
Based in Elermore Vale NSW · serves Maryland
Mechanic in Elermore Vale, NSW for logbook servicing, pink slip inspections, brake and clutch repairs and engine diagnostics.
Based in Elermore Vale NSWServes Maryland
Closed · opens 7:30 am
Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics
Based in Wickham NSW · serves Maryland
Mechanic in Wickham, NSW for servicing, brake and clutch repairs, diagnostics and rego inspections, serving Newcastle and surrounds.
Based in Wickham NSWServes Maryland
Closed · opens 8:00 am
Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics, Caravan Repairs
Based in Lambton NSW · serves Maryland
Mechanic in Lambton, NSW for logbook servicing, brake and clutch repairs, inspections and 4WD servicing.
Based in Lambton NSWServes Maryland
Closed · opens 8:00 am
Mechanic in Cardiff, NSW for logbook servicing, brake and clutch repairs, suspension work and pink and blue slip inspections.
Based in Cardiff NSWServes Maryland
Closed · opens 8:00 am
Auto Electricians, Mechanics, 4x4, Diesel Mechanics, Towing
Based in Belmont NSW · serves Maryland
Auto electrician in Belmont, NSW for auto electrical repairs, air conditioning regas, alternators and dual battery systems.
Based in Belmont NSWServes Maryland
Closed · opens 8:00 am
Auto Electricians, Mechanics, 4x4, Diesel Mechanics
Based in Beresfield NSW · serves Maryland
Workshop in Beresfield, NSW for truck and trailer repairs, auto electrical work and diesel and plant repairs.
Based in Beresfield NSWServes Maryland
Closed · opens 8:00 am
Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics
Based in Boolaroo NSW · serves Maryland
Mechanic in Boolaroo, NSW for logbook servicing, brake and clutch repairs, rego inspections and 4WD servicing.
Based in Boolaroo NSWServes Maryland
Closed · opens 8:00 am
Mechanics, 4x4, Diesel Mechanics
Based in Cardiff NSW · serves Maryland
Mechanic in Cardiff, NSW for logbook servicing, pink and blue slip inspections, brake and clutch repairs and performance upgrades.
Based in Cardiff NSWServes Maryland
Closed · opens 9:00 am
Based in Beresfield NSWServes Maryland
Closed · opens 8:00 am
Auto repair shop in Edgeworth, NSW for logbook servicing, brake and clutch repairs, pink and blue slips, and windscreen replacement.
Based in Edgeworth NSWServes Maryland
Closed · opens 9:00 am
Mechanics, 4x4, Panel Beaters, Diesel Mechanics
Based in Beresfield NSW · serves Maryland
Custom garage in Beresfield, NSW for dyno tuning, engine performance upgrades, brake and suspension repairs, restorations and custom fabrication.
Based in Beresfield NSWServes Maryland
Closed · opens 8:00 am
Truck and bus repairer in Hexham, NSW, also selling new and used trucks, equipment and parts.
Based in Hexham NSWServes Maryland
Closed · opens 7:30 am
Mechanics, Auto Electricians, Tyres, Diesel Mechanics
Based in Beresfield NSW · serves Maryland
Mobile mechanic in Beresfield, NSW for logbook servicing, brake pads, batteries and tyres, coming to your vehicle.
Based in Beresfield NSWServes Maryland
Closed · opens 8:00 am
Transport hydraulics supplier in Sandgate, NSW, for PTOs, pumps, hoists, cylinders, winches and tipper and crane hydraulic systems.
Based in Sandgate NSWServes Maryland
Auto Electricians, Mechanics, 4x4, Diesel Mechanics, Caravan Repairs
Based in Beresfield NSW · serves Maryland
Parts supplier in Beresfield, NSW for truck parts, clutch, suspension and brake components.
Based in Beresfield NSWServes Maryland
Closed · opens 7:30 am
Mechanics, Auto Electricians, 4x4, Diesel Mechanics
Based in Barnsley NSW · serves Maryland
Mechanic in Barnsley, NSW for car servicing, brake repairs, suspension and steering work, exhausts and LPG conversions.
Based in Barnsley NSWServes Maryland
Closed · opens 8:00 am
Performance parts and 4x4 upgrades in Beresfield, NSW, covering ECU remapping, exhausts and engine performance work.
Based in Beresfield NSWServes Maryland
Closed · opens 8:00 am
Truck and fleet parts supplier in Hexham, NSW, stocking truck and trailer parts and accessories, including genuine and aftermarket components.
Based in Hexham NSWServes Maryland
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 24 on this page.
Showing 1–24 of 25 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 Maryland. 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 25 diesel mechanics in Maryland 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 Maryland.
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.
