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首页> 外文期刊>Engineering & Mining Journal >Cat's New 785D Hauler Features New Body, Higher Performance
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Cat's New 785D Hauler Features New Body, Higher Performance

机译：卡特彼勒的新型785D牵引车具有新的车身，更高的性能

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Caterpillar's new 785D rigid haul truck offers a target payload range of 142 to 155 tons (129 to 141 mt) depending on the specific configuration. The range, according to Cat, enables new trucks to integrate well with fleets of earlier 785s. The new truck is powered by a Cat 3512C HD engine that maintains fuel efficiency, delivers 1,348 net horsepower (1,005 kW) and is compliant with U.S. EPA Tier II emissions standards. The engine is capable of operating at altitudes up to 14,000 ft (4,267 m) with no derating; and, according to Cat, the change to a high displacement engine means engine life is extended. In addition to engine improvements, Cat also introduced its X body with the 785D to provide mine specific options (e.g. liners, rail caps, sideboards, etc.) for new sites and contractors. The new body also provides greater volume-111 yd~3 (85 m~3) compared with 102 yd3 (78 m~3) for the available dual slope body. Additional body choices are Mine Specific Body (MSD II) and gateless coal. The 785D also features improved catwalks and a factory installed diagonal stairway. Several improvements on the 785D extend reliability and durability, according to the company. These include a new pump drive system that provides continuous rear axle filtration. Benefits include cleaner oil, less downtime and improved component life. Extended life disc brakes may achieve up to double the wear life of standard brakes and are resistant to glazing-the result is consistent braking power and reduced maintenance. A new air intake and filters have a new seal, which provide easier servicing and lower maintenance costs.
机译：卡特彼勒的新型785D刚性运输卡车根据特定配置提供的目标有效载荷范围为142至155吨（129至141吨）。根据Cat的说法，该范围使新卡车能够与早期785年代的车队很好地整合。这款新卡车由Cat 3512C HD发动机提供动力，该发动机可保持燃油效率，提供1,348净马力（1,005 kW），并符合美国EPA Tier II排放标准。发动机能够在不降额的情况下在高达14,000英尺（4,267 m）的高度下运行;根据Cat的说法，更换为高排量发动机意味着可以延长发动机寿命。除了改进引擎之外，Cat还为X机体785D推出了新的选件（例如衬板，导轨盖，侧板等），为新工地和承包商提供了防雷特定的选项。与现有的双坡体的102 yd3（78 m〜3）相比，新的车身还提供了111 yd〜3（85 m〜3）的更大体积。其他的机体选择是矿井专用机体（MSD II）和无门煤。 785D还具有改进的走道和工厂安装的对角楼梯。据该公司称，785D的几项改进扩展了可靠性和耐用性。其中包括新的泵驱动系统，可提供连续的后轴过滤。好处包括更清洁的机油，更少的停机时间和更长的组件寿命。延长寿命的盘式制动器可以使标准制动器的磨损寿命提高一倍，并且具有防玻璃的作用-结果是稳定的制动力和减少的维护。新的进气口和过滤器具有新的密封，可以简化维修并降低维护成本。

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