The paper analyses traffic accidents in which one of the participants were tractors, in the period of eleven years (2002 – 2012) on the territory of the Republic of Serbia. The aim of the research is the exploration of the consequences, number and type of causes of these type accidents, in order to create a knowledge base that is needed for the improvement of the construction and identification of tractors, from the aspect of safety. Data analysis was performed on the sample of n=13246 traffic accidents in which one of the participants was a tractor. The authors used one-way analysis of variance (ANOVA) including post hoc test (Scheffe). The significance of the study lies in the precise detection of the connection between the consequence and the number and types of causes in this aspect of accidents, while stressing the need for a more detailed approach in the prevention of accidents.