<![CDATA[Excavators are essential heavy equipment for various field projects, such as construction, mining, and plantations. One type of excavator widely used in various sectors is the Caterpillar 320C. This study aims to determine the effect of hydraulic pump pressure on vital components in heavy equipment, particularly excavators. A critical component in this system is the hydraulic pump, which generates fluid pressure to drive the actuator. This study also aims to analyze the effect of hydraulic pressure and fluid temperature (using Meditran SAE 10 oil) on hydraulic pump performance in a Caterpillar 300C excavator. The method used in this study was an experiment, testing the pump at various fluid pressures and temperatures. Observed parameters included flow rate and pump efficiency. Test results showed that the optimal pressure was in the range of 200–220 bar, with fluid temperatures not exceeding 60°C. Excessive increases in temperature and pressure lead to decreased efficiency and flow rate, as well as increased risk of component wear.]]>
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