整机质量为88 180 kg的390 DL是卡特彼勒公司最新推出的履带式挖掘机,相对于385 CL,新机的设计提供了更加强大的液压动力、更加坚固的机体结构、增加了安全性和便利性、提高了可维护性。新款390 DL型履带式挖掘机配备了390 kW的卡特彼勒C18型发动机,符合欧盟ⅢA期和美国EPA Tier 3的最新发动机排放规定。卡特彼勒以更强撼的90 t级的390 DL替换385 CL,提高了操作舒适性和可维护 The whole unit mass of 88 180 kg of the 390 DL is the latest Caterpillar crawler excavator, compared with the 385 CL, the new machine design provides more powerful hydraulic power, more robust body structure, increased safety And convenience, improved maintainability. The new 390 DL crawler excavator is equipped with a 390 kW Caterpillar C18 engine that meets the latest engine emission regulations of the EU Phase IIA and the U.S. EPA Tier 3. Caterpillar replaces the 385 CL with the more powerful 90-t class 390 DL for increased operational comfort and maintainability