About Us
ElectroMech Marine are a small group of dedicated marine specialists, we take pride in our workmanship and believe in quality and customer satisfaction. We understand the importance of maintenance when it comes to marine vessels and are quick to provide solutions, whether it’s a leisure or commercial vessel.
We are a Cummins Onan major dealer, and also provide products from Victron Energy, Nannie Diesel and Polyflex Mounting Systems. If you require any parts or accessories for your boat, contact us today and we will help you secure the products you’re after. If you aren’t sure what components you need, feel free to reach out and have one of our team guide you through the process.
At ElectroMech Marine, we carry out all repairs, maintenance and fault finding for diesel engines, gearboxes, generators and more. Whether you already know the source of your issue or need someone to diagnose it—you will greatly benefit from talking to our team.
Don’t worry about getting your marine vessel to us. We offer mobile servicing across Darwin and surrounding areas!

We are the preferred suppliers at Northern Territory Marine Facility.
With more than 20 years’ experience working in the marine, offshore, fishing and defence industries, our engineering tradesman can handle all vessel repairs.
Our services include:

  • General Service and Maintenance
  • Heat exchanger, intercooler and oil cooler cleaning, acid bath and flushing
  • Alignment checking and measuring
  • Diesel injector servicing and overhaul
  • Generator servicing and rebuilds
  • Engine rebuilds and repowers
  • Transmission rebuilds and replacements
  • Oil and fuel sampling and testing
  • Propeller welding repairs and polishing
  • Hydraulic component servicing
  • Propeller shaft manufacture to 6M at 125MM Diameter, inspection and replacement.
  • Propeller welding, scaping and contact bluing, shaft crack testing.
  • Commercial work for survey inspection
  • DC systems specialist, installation of battery chargers, Inverter /chargers and control monitoring equipment.
We have developed a large customer base over the years in the private clients to commercial clients and fishing industry.
Propeller Repairs — Marine Engineering in Darwin, NT
ElectroMech Marine — Marine Engineering in Darwin, NT


ElectroMech Marine is a marine mechanical and electrical service business and we have been in operation for over 8 Years.

We have built up a solid reputation for professionalism, good customer service and reliable knowledge engineering.

We offer mechanical, electrical, maintenance and repairs of pleasure and commercial vessels of all sizes.

ElectroMech marine is a Cummins Onan state distributor, Victron Energy, Nannie Diesel and Poly flex mounting systems dealer.


We have a small team of experienced, hard-working tradesman with a combined total of 90 Year’s experience.
ElectroMech marine employs 3 staff currently and are looking to additional tradesperson and apprentice soon.
Gary Nunan (Working Director) Email- emservicesnt@gmail.com

Gary has over 25 Years in the marine industry.

Gary’s apprenticeship was in Fitting and machining.

Prior to starting ElectroMech marine he spent years in the Oil and Gas industry based all over the world mainly on floating production platforms and Semi-submersible vessels. Then onto commissioning roles for new build floating production vessels.

Gary has factory training as a Cummins Onan generator mechanic and has 10 years’ experience with Victron products.

Gary holds a trade qualification in Fitting and machining, Marine engineering driving 1 ( MED1) and a restricted electrical; licence specializing in specialised commercial equipment.
Experienced Team — Marine Engineering in Darwin, NT

Robert Jennings

Rob brings a wealth of engineering knowledge with him from life time in the trade .

Previously ran his own machining shop and has vast experience in the marine sector.

Dave Weigand

Dave holds a position as a Trades assistant, although he holds a trade qualification as a toolmaker.
Dave is very motivated and an all round good bloke.

He fits in very well to our operation and knows engineering broadly.

Luke Reid

Luke comes from a Sydney based major marine engineering firm. He was in a leading hand /senior tradesman capacity and is a very experienced capable tradesman.

His wide industry experience covers equipment such as MAN,CAT , Volvo Penta, Cummins, Detroit, MTU, Yanmar marine engines and KohlerGen sets.Also well experienced in shaft and bearing repairs and installations.