Holder tractor restore project.

[hinks61094]

hi, i have just bought two Holder tractors. a cultitrac A50. plus a Holder A45
they are both very very poor condition, but i would like to restore them with a bit of help. could anybody tell me where i can get manuals and parts?
does anyone know anything about these tractors. I know they are german,
from the 80's and 70's respectively. i believe they have deutz 3 cylinder engines
and there my knowledge ends.
i am very excited about these two machines and will post pictures. but i really
will need a little help.
be lucky, stinkyhinksy