Hi !
I've listed a loose Diaclone/Transformer Powered Convoy trailer from Takara/GiG up on ebay here:
http://www.ebay.ca/itm/111735904154
No parts or accessories are included, excepting one side flap. The blue bits on the side are broken off, but it doesn't affect display. Transforms very nicely for such an old thing.
Shipping worldwide!