卡特336E:配備了C9.3 ACERT發動機,符合Tier 4排放標準,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:配備了C9發動機,符合Tier 3排放…
挖掘機420:通常配備小功率發動機,適用于中小型工程項目,具有較高的燃油效率。Excavator 420: Typically equipped with a smaller engine, suitable for medium to small engineering projects, with higher fuel efficiency.挖掘機450:配備大功率發動機,適用于大型工程項目和重載工作,…