Chandra Ajik Prakoso, Safi’i, M. and Androva, A. 2026. Analysis of Hydraulic Oil Replacement Intervals and Operating Temperature for Enhancing Hydraulic System Performance in Komatsu Excavator PC2000-11. JURUTERA - Jurnal Umum Teknik Terapan. 13, 01 (Jun. 2026), 97-106. DOI:https://doi.org/10.55377/jurutera.v13i01.14494.