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日前,康明斯公布“燃耗挑战”测试结果,配备康明斯QSB6.7型非公路用第四阶段(Tier4)发动机的工业设备与配备第三阶段(Tier3)发动机的相同机型相比,燃油经济性提高
Recently, Cummins announced that its fuel economy test results show that industrial equipment equipped with a Cummins QSB 6.7 off-highway Tier 4 engine has a higher fuel economy than the same models equipped with a Tier 3 engine. Economic increase