Who we are

Who we are

NMX MarketplaceAs part of the National Group, NMX operates in locations across Australia with the support of a vast network of infrastructure and personnel. If you are looking to buy or sell machinery, NMX provides comprehensive services backed with over 25 years of experience.

National Machinery Xchange (NMX) is a leading Heavy Mining Equipment (HME) remarketing agent. We specialise in the sale of heavy earthmoving equipment and offer various sales options and supporting services such as private treaty sales, e-tender sales, auctions, valuations and finance for equipment used in the mining, energy, construction, transport and agricultural industries.

From valuation and finance through to procurement, transportation, sales, auctions and delivery, NMX takes care of everything from start to finish. We offer key points of difference for buyers and sellers that our competitors are unable to offer.

NMX’s General Manager, Simon Brown has developed a reputation as one of the most trusted names in heavy equipment valuation and auction services. Simon began his career in heavy machinery auctions 27 years ago and has a wealth of experience managing auctions of any scale.


With NMX being part of the National Group, we can offer a diverse range of products and services from port-to-pit. We offer a complete range of complementary services and have a local, national and international presence.

We can fully manage projects of any size with everything you could possibly need under one roof. We also offer transport logistics and heavy haulage, with one key point of contact for all your diverse requirements. Leave it all to us and be safe in the knowledge that you have all your bases covered.


The National Group are Heavy Mining Equipment (HME) experts. We are well-known in the industry due to our ‘Unstoppable’ service, leading maintenance and safety record and our 24/7 repair promise. We are the remote service specialists, with no location too far away or too remote for us to service.

We have demonstrated capability and extensive industry experience in the mining sector, with many Tier 1 mining companies already depending on us. As such, the National Group has experienced exponential growth and has gone from strength to strength.


National Machinery Xchange is a specialist HME remarketing agent that employs an integrated sales and marketing approach that includes traditional, digital and emerging media. We regularly advertise in national and regional newspapers, local media and industry publications both in print and online. Sellers can be safe in the knowledge that the wider industry and locals will be ‘in the know’ regarding any upcoming sale of equipment or auctions in their region.


NMX, part of the National Group has over 25 years’ experience facilitating auctions. We offer asset disposal services through to private treaty sales, e-tender sales, auctions, valuations and finance options for buyers. NMX offers live on-site auctions with online simulcast, e-marketplace online auctions and private sales.

NMX will coordinate and facilitate demobilisation and removal of HME and other assets from your site. We have transport logistics planners, we offer general site inductions and we can transport equipment efficiently and effectively, nationally or internationally through our sister companies National Heavy Haulage or International Global Logistics.


You can realise various benefits in working with NMX, part of the National Group. We specialise in heavy earthmoving equipment and we are willing to go anywhere to inspect equipment at your location. We offer various sales and auction platforms both face-to-face and online and we will work on your behalf to facilitate offers pre and post auction.

NMX can inspect, value, remarket, suggest suitable sales platforms and recommend ideal sales strategies. We can help you realise the true value and potential asset worth of your demobilised equipment and our complementary entities offer maintenance services that could also increase the value of your equipment at auction.

By engaging NMX, you will reach a wider industry network of potential buyers through our umbrella company National Group that could increase the chances of finding a potential buyer. Due to our extensive network, you will also benefit from operational efficiencies and therefore cost savings.

In dealing with Simon Brown, General Manager of NMX as the chief liaison officer, you will have one key point of contact when dealing with NMX and other National Group entities.

Due to our flexible structure, we offer solutions not problems.

We essentially make life EASY for you!


Our demonstrated promise and commitment includes:

  • Adherence to the highest professional standards
  • Flexibility and diversity of our service offering
  • Operate in an open and transparent manner
  • Utilise local people and complementary entities
  • Work together to meet and exceed your expectations
  • Do as we promise and a willingness to go the extra mile

Personalised service

We pride ourselves on offering personalised service and tailored solutions to suit our customers’ needs.

Due to our flexible organisational structure, we are often able to offer diverse solutions to complex problems. We pride ourselves on our ability to interpret the most complex briefs and our ability to offer tailored solutions to suit specific needs. It is our goal to meet your needs and exceed your expectations.

We understand the importance of meeting targets. As such, we don’t just do ‘exactly what it says on the tin’, we offer customised quotes and personalised service. We take the time to understand your needs and offer suitable recommendations that can meet and exceed your targets.

Due to NMX being part of the National Group, we can offer value added services. Through our lower cost structure and the operational efficiencies realised through our complementary entities, this means more options and cost savings for you.

We pride ourselves on offering solutions, not problems. With our ability to offer value added services from A-Z, manage the entire process from start to finish whilst realising operational efficiencies, combined with our willingness to work with you to exceed your expectations, put your trust into somebody who cares enough to go the extra mile and who has the capability to deliver.


National Machinery Xchange provides true end-to-end services, including:

Buy Plant and Equipment via our Marketplace


Dispose of your assets at the highest price


Know the true value of your assets


Do your bidding from anywhere in the world


Looking to buy but don’t have the capital?

Private sales

NMX offers conventional plant and equipment sales, as well as private treaty sales and sealed e-tender services for both sellers and buyers. NMX is well-known for having the ability and available networks to source and broker the sale of almost any machinery, plant and equipment.


With a thriving national marketplace and the latest technology, NMX allows buyers to visit a traditional on-site auction or bid via NMX’s live online simulcast bidding service from anywhere in the world.

Timed Online Auctions

Timed online auctions via the website or the proprietary Smartphone App, give buyers the power to bid on live auctions from any location.


Wide Industry Network

NMX, part of the National Group has a wide industry network Australia-wide. Due to our extensive network, we can consistently service the remotest locations throughout Australia. In additional to this, due to our locality we are able to offer better rates on transportation and other services, offer cross promotional opportunities due to our complementary entities and leverage off a large network that has enabled continued growth since we were first established in 1997.

NMX has ten major selling centres Australia wide to use for on-site and online auctions as well as strategically located satellite holding yards for plant and equipment. All NMX yards are fully secured with 24 hour lighting, CCTV coverage, nightly security checks and electric security gates. Our yards have compact surfaces with accessibility to cranes, making it an ideal location to host auctions, lift and shift heavy earthmoving equipment and securely store large plant and equipment.


  • 1 Gold Coast, QLD
  • 2 Yatala, QLD
  • 3 Toowoomba, QLD
  • 4 Emerald, QLD
  • 5 Blackwater, QLD
  • 6 Nebo, QLD
  • 7 Katherine, NT
  • 8 Karratha, WA
  • 9 Perth, WA
  • 10 Hunter Valley, NSW
  • 1 Gold Coast, QLD
  • 2 Yatala, QLD
  • 3 Toowoomba, QLD
  • 4 Emerald, QLD
  • 5 Blackwater, QLD
  • 6 Nebo, QLD
  • 7 Katherine, NT
  • 8 Karratha, WA
  • 9 Perth, WA
  • 10 Hunter Valley, NSW