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Two New Haulers from caterpillar

机译：毛毛虫的两个新搬运工

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Caterpillar's recently introduced 770 and 772F rigid-body haul trucks are designed for mining applications in the 40-ton and 50-ton payload classes, respectively. Introduction of these new units, both of which feature a new engine and radiator, enhanced transmission and brakes, and a new cab and operator station, enables Cat to discontinue its existing 769 and 771 models. The 770 is powered by Cat's C15 engine, producing 476 net hp; while the 772F has a C18 engine rated at 535 net hp. According to the company, both engines meet U.S. EPA Tier 3 and European Union Stage Ilia requirements and deliver improved fuel economy compared with the previous engine used in this size class. Engine service interval for each of the trucks is 500 hours- twice that of previous truck models. Cat's QuickEvac on-board engine oil evacuation and pre-lube system is now standard equipment on these trucks and can reduce oil-change labor time by as much as 50 percent.
机译：卡特彼勒最近推出的770和772F刚体运输卡车分别设计用于40吨和50吨有效载荷等级的采矿应用。这些新单元的推出，都具有新的发动机和散热器，增强的变速箱和制动器以及新的驾驶室和操作员站，使Cat可以停产其现有的769和771型。 770由Cat的C15发动机提供动力，可产生476净马力;而772F的C18发动机额定功率为535马力。据该公司称，这两种发动机均符合美国EPA Tier 3和欧盟Stage Ilia的要求，并且与该尺寸级别的以前使用的发动机相比，具有更高的燃油经济性。每辆卡车的发动机保养间隔为500小时，是以前型号的两倍。卡特彼勒的QuickEvac车载机油排空和预润滑系统现在已成为这些卡车上的标准设备，可将更换机油的时间减少多达50％。

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