Abstract
Mining company open pit method, with mining selective system, target production of 3,600,000 tons / year, using the tools excavator sany PC 365 and the tools load ADT dump truck komatsu HM 400 To achieve the predetermined production results, analysis of the factors that affect the production, one of which is the amount of time wasted, due to the influence of time constraints, standby time, and the time of repair of the excavator and dump truck. The effective time of work used by the operator is the time available 12 hours per shift per 1 day, but the reality on the ground of the acquisition of effective time is 6, 67 hours or 56% for excavator and 6.59 hours or 55% for dump truck, Match factor (The number that shows the comparison between the production of loading equipment and the hauling unit served) is MF <1, which means that the conveyance is always busy, while the loading tools has idle time.
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