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In this study we try to focus on the costs for wear parts on different type of soil tillage machines and at Väderstad Rapid drilling machine. We have studied some of the leading types of cultivators and disk harrows. Among the cultivators we have investigated Väderstad Cultus, Dalbo Dinkomax, Horsch Tiger and Terrano. At disk harrow we have looked at Amazone Catros and Väderstad Carrier. We have made more detailed study on costs for wear parts, working depth, driving speed and diesel consumption. The numbers are collected via interviews with 14 farmers from south of Sweden and than put together. Their figures are the base for the diagram that is shown in this study. We have also read and studied existing surveys. Our conclusions were that there has been a lot of development since these surveys were done and that some of the machines did not exist at the time. The result from our studies shows that there is a variation between the different cultivators. Though this is probably a result of the variation in construction and other parameters as driving speed and working depth. Different soil types and the occurrence of stones also affect the wear. One conclusion was that Horsch Tiger require more power than the other cultivators. Another was that there is no big difference in costs for wear parts at disks on the disk harrows. There where a slight difference between diesel consumption with o lower consumption for Catros. This could be the result of the different weight of the machines. Our users lay a bit...