Chandra Ajik Prakoso, Muhamad Safi’i, and Althesa Androva. 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), 97-106. https://doi.org/10.55377/jurutera.v13i01.14494.