I saw this on Gumtree, a bit different with a motorcycle compartment (other than the normal toy hauler).

http://www.gumtree.com.au/s-ad/margate/caravan/5th-wheeler/1048807567 

Gday...

A good "boy's" weekender for sure ... but looks too 'home-built', not much design sense and too plain and ugly for me.

cheers - John

Yes a bit "Gerry built" John, the side entry for the motorcycle may appeal to some, especially if it can take a quad bike. 

Could be a good fishermen's outfit....