<![CDATA[PT Bukit Baiduri Energi is a coal mining company located in East Kalimantan, Indonesia. To meet market requirements, coal produced from mining activities must undergo a size reduction process using a crusher plant. However, the actual production achieved was lower than the planned target due to several technical and non-technical constraints. This study aims to evaluate the effectiveness and productivity of the crushing units and identify the factors causing production delays. Data analysis showed that the productivity of the crushing units was affected by low work efficiency and various operational obstacles. A Pareto diagram was used to determine the dominant causes of downtime and prioritize corrective actions. Improvements in work delay management and operational performance significantly increased the monthly production capacity, enabling the company to exceed its initial coal production target. The results indicate that optimizing crusher plant operations and reducing downtime are essential for improving overall productivity and achieving production objectives efficiently.]]>
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