The most reasonably priced component used on the Kaf620-a3 Mule2510 1997 Europe Transmission is the Circlip-type-c,25mm.
With four applications this Circlip-type-c,30mm is the most specified part.
Parts such as the Transmission: Gear,reduction,17t&25, Gear,input Reduction,, Sprocket-driven,41t, Gear-meter Screw are included in the Kaf620-a3 Mule2510 1997 Europe Transmission parts fiche.