Balers of such brands as Claas, Welger, Sipma, Famarol, John Deere, with large volumes of work, sometimes need to replace spare parts for the baler drive.
When problems are found, wear of parts such as:

pick-up shaft;
sprocket baler press;
coupling baler press;
pick-up press chain;

Replacement will not be a big problem if you have experience with technology and a little understanding of the technical part of your unit. The category is intended for convenient search for drive parts for balers as well as further purchase and continuation of work of your equipment