Looking good, Hermosil.

Now maybe for some traction chains for those wheels...
https://www.amazon.com/Stens-180-112-Cadena-4-00-x-4-80-x/dp/B001OKBCU2In all seriousness, a set of ladder type chains will be cheaper than a set of AG tread tyres, even when purchased locally.
And from the US via the Bay of Fleas, for example; http://www.ebay.com.au/itm/Grizzlar-GTU-240-Snowblower-2-link-Tire-Chains-4-80-4-00-8-4-00x4-80-8-4-80-8-/162319366108?hash=item25cafcf7dc:g:wXwAAOSwTapV7G8-