Simply contact a local (in Aussie) shipping agent and ask them for prices for LCL container freight. Your machine on a pallet will be around 1 to 1.2 cubic metres.
They can also price for picking up the machine from the seller. Or you arrange for the seller to drop it to the depot. Which only really works in major cities with a port, like LA, NYC, Houston, SF etc. America is a huge place, the road freight can be expensive.
When you get the prices all added up, you'll start looking in Aussie. 
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