卡特336E:配备了C9.3 ACERT发动机,符合Tier 4排放标准,提供更高的燃油效率和更低的排放。Caterpillar 336E: Equipped with the C9.3 ACERT engine, meeting Tier 4 emissions standards, offering higher fuel efficiency and lower emissions.卡特336D:配备了C9发动机,符合Tier 3排放…
挖掘机420:通常配备小功率发动机,适用于中小型工程项目,具有较高的燃油效率。Excavator 420: Typically equipped with a smaller engine, suitable for medium to small engineering projects, with higher fuel efficiency.挖掘机450:配备大功率发动机,适用于大型工程项目和重载工作,…