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埃科湾矿业（EchoBayMine）有限公司的麦克考伊／考夫矿（McCoy／Covop－eration）位于内华达州北部中间的巴特尔芒特城以南48.3km（30英里）。该矿包括一座日处理20000t矿石的难浸场和一座日处理7500t矿石的选厂，年产金10．26t（330000盎司）和银248．83t（8000000盎司）。矿石来自地下矿和露天矿两处，日开采总量为：地下矿400t，露天矿185000t。1993年初，麦克考伊矿决定用4台250t电传动汽车取代10台较小的机械传动汽车。这种更换的结果预计会节约大量费用，但由于该矿此前仅使用机械传动汽车，因而这些新车使矿山运输带来彻底改变。这些新车一投入运行便进行了一项汽车性能分析。分析结果肯定了电传动汽车的选择，并表明预计的费用节约是可以达到的。本文概要介绍的麦克考伊矿运输汽车的分析结果并非是对任何汽车或制造厂的一种担保。在选择设备时，必须考虑几个方面的问题，这包括矿山的实际情况、工人的操作熟练程度、制造厂的服务协议及财政能力。这些因素在各座矿山都很不相同，因而在作出购买决定之前必须仔细加以考虑。
The McCoy / Covop-eration at Echo Bay Minerals Co. Ltd. is located 48.3km (30 miles) south of Battle City in the northern Nevada. The mine consists of a flooding site that processes 20,000 tonnes of ore per day and a beneficiation plant that processes 7,500 tonnes of ore per day, with an annual gold output of 10.26t (330,000 ounces) and silver of 248.83t (8,000,000 ounces). Ore from the underground mine and open pit two, total daily mining: underground mine 400t, open pit mine 185000t. In early 1993, the McCoy Mine decided to replace 10 smaller mechanically powered vehicles with four 250t electric drives. The result of this replacement is expected to save significant costs, but due to the mine’s previous use of mechanically-driven vehicles, these new vehicles have revolutionized mine transport. As soon as these new cars went into operation, they carried out a car performance analysis. The results confirm the choice of electric drive vehicles and show that the projected cost savings can be achieved. The results of the analysis of the McCoy Mine Car that is outlined in this article are not a guarantee of any car or manufacturer. There are several aspects that must be considered when selecting equipment, including the actual conditions of the mines, the operational proficiency of the workers, the service agreement of the manufacturer and the financial capacity. These factors are very different across mines and must be carefully considered before making a purchase decision.