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Simulation technology that enables the holding limit of a tensioner to be predicted in advance was developed, and the effect of the tensioner on the chain clarified. The simulation model was constructed using multi-body dynamics. For the analysis, a link-by-link method was used, and a hybrid model of the tensioner consisting of multiple masses and oil was created. In comparing the tensioners, the main viewpoint was the difference between the spring type and hydraulic tensioners. The effect of each tensioner on the chain load and the chain behavior was clarified through this analysis, and as a result it was possible to predict the optimum chain system design by simulation.