<![CDATA[Power transmission efficiency is a crucial factor in achieving maximum mileage in energy-efficient vehicle competitions. This research focuses on optimizing the design of dog clutch components for the transmission system of a diesel prototype vehicle. The research methodology combines a numerical approach through the Finite Element Method (FEM) using SolidWorks and experimental validation of the material’s mechanical properties. The mechanical testing conducted includes spectrometry testing to identify material composition and tensile testing to determine structural strength characteristics. The test results indicate a tensile strength of 1477 MPa, which is then integrated as an input parameter in the FEM simulation. FEM analysis was performed to evaluate the von Mises stress distribution and safety factor under various torque loading conditions. The optimization results show that the designed dog clutch geometry is capable of withstanding operational loads with operating stress below the material's yield strength, thereby ensuring the mechanical reliability of the transmission system. The results of this study provide a technical foundation for developing a lightweight transmission system with high structural integrity for energy-efficient vehicle applications.]]>
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