Buyer guide
The Short Answer
A low-hour US tractor or excavator can land in Australia for less than the local used price. Whether it *actually* does comes down to three things, and none of them is the freight rate: biosecurity cleanliness, brown marmorated stink bug (BMSB) season, and the duty and GST on arrival. Get those right at origin and the machine clears; get them wrong and it can be held, treated at your expense, or re-exported.
This guide explains each one plainly. Nothing here replaces the Department of Agriculture, Fisheries and Forestry (DAFF), the Australian Border Force (ABF), or your licensed customs broker — the exact requirements and your machine's treatment are confirmed per shipment.
Biosecurity: the DAFF Cleanliness Standard
Australia's biosecurity rules are the real gate on used machinery, and they are strict for a reason: soil, seeds, and plant material can carry pests and diseases that Australian agriculture has kept out. Every imported machine must arrive free of that contamination, cleaned to the standard DAFF publishes for vehicles and machinery.
The failure mode is expensive. If a machine turns up contaminated, DAFF can order it cleaned on arrival, held, or — in the worst case — exported back out at the importer's expense. That is why the cleaning has to happen at origin, before the machine is loaded, not hoped for at the wharf.
This is exactly the part Meridian treats as a core service rather than an afterthought. Because we handle the machine on the ground in the USA, we clean it of soil, seeds and plant debris to the DAFF standard and document the condition with photos before it ships. Origin cleaning is the single biggest lever on a clean arrival.
Western Australia adds a second layer: the state's DPIRD applies its own inspection on top of the federal DAFF process, so a machine bound for Fremantle is planned with that extra step in mind.
BMSB: the Stink Bug Season
The brown marmorated stink bug (BMSB) is a seasonal biosecurity measure that catches a lot of first-time importers off guard because it depends on *when* the machine ships, not just what it is.
The key facts:
- The USA is a target-risk country for BMSB.
- Machinery and vehicles (tariff chapters 84 and 87) are target-high-risk goods.
- For cargo shipped between 1 September and 30 April, these goods require BMSB treatment.
- For machinery that ships as break-bulk or on a flat rack — which is how oversize equipment travels — the treatment must be done offshore, before arrival, by an approved provider. Untreated break-bulk cargo can be refused discharge or sent back.
In plain terms: if your excavator sails in the risk season, it needs to be treated at origin by an approved provider, with the certificate travelling with the shipment. We coordinate that treatment as part of the export so the machine isn't turned away on arrival.
Duty and GST: the Cost Side
Here is the good news on cost. For the machines Meridian typically imports:
- Agricultural tractors and self-propelled earthmoving machines (excavators, dozers, loaders) are generally free of import duty under the Australian tariff.
- 10% GST is payable on the landed value (customs value plus freight, insurance and any duty) at import — and it is generally creditable as an input tax credit for a GST-registered business.
So the duty line is often zero, and the GST is recoverable for a registered buyer. That is a meaningful part of why a US-sourced machine can pencil out against the domestic used price. But the tariff classification for *your specific unit* is confirmed by your licensed customs broker per shipment — we don't promise a landed cost on a website.
One more point that trips people up: an agricultural machine or a tracked machine like an excavator is generally not treated as a "road vehicle," so it does not go through the road-vehicle import-approval process. Your broker confirms this for your unit.
What Meridian Handles, and What Your Broker Handles
The boundary keeps everyone out of trouble:
- Meridian: sourcing across the US dealer and auction network, origin inspection, cleaning to the DAFF standard with photo evidence, BMSB treatment coordination in season, asbestos screening on older units, export documentation, and the ocean freight.
- Your licensed Australian customs broker: the customs entry, tariff classification, duty and the 10% GST, and clearance on arrival.
We are the importer and coordinator — we are not a dealer, we hold no stock, and we sell nothing in Australia. You compare the landed cost; we land the machine.
Where This Fits
For the machine-by-machine detail, see our pages on importing farm tractors from the USA to Australia and importing heavy equipment from the USA to Australia, or the Australia destination overview. For older machines specifically, read our guide on asbestos rules for used machinery imports into Australia.
Message us on WhatsApp or use the contact page to review a specific machine and arrival port before you buy.