Sean I'm pretty sure this mob ship interstate, I'm sure I put a bloke in QLD onto them and they shipped no problems and it wasn't expensive, I think it cost about $40.
Mower looks to be in reasonable shape so well worth sticking a new motor on it
http://www.ebay.com.au/itm/13HP-VERTICAL-SHAFT-ENGINE-MOTOR-RIDE-ON-MOWER-NAME-BRAND-/331789844922?hash=item4d403741ba:g:I6oAAOSwR0JUPNZB
