Hi again besser_au,
From the research we have done, we can now say that they are definitely not available. You are not alone here, many machines discussed here on the forum, are in the same boat....parts new or second hand very thin on the ground and some...no parts available at all. wink

Maybe you could put up a post in the forum 'wanted' topic for a gearbox or parts for same, also check Gumtree and eBay...you never know you may be lucky. wink
cheers

Please do not PM me asking for support. Please post your questions in the appropriate forums, as the replies it may receive may help all members, not just the individual member.
Kindest Regards, Darryl grin