Having some experience with NH machines made in Belgium & machines made in GI, there is definitely quality differences in the build.
The one that starts with "B" is a better built machine ....... & it's not only my opinion in this matter. The decision that NH in OZ has taken to supply machines built in Belgium, is not solely based on "build quality" ...... but it played a fair part in the decision.
Another factor is the "build spots" available coinciding with the delivery requirement for the OZ market. Also, the exchange rate plays a part with the Euro/OZ being less variant against each other - at least this stage of the game.
As for JD supplying machines from Europe to the OZ market, I couldn't see a problem.
Oh yes. The 1075 etc were a big pile of crap. Sims metal was & is the best place for them.