XCMG XE250U and XE300U crawler hydraulic excavators won authentication of North America. The two products are new models developed particularly aiming at North American and European markets. The excavating performance is improved comprehensively and meets Tier3 emission standard for motor of North America. The two models are equipped with walking alarm, rear camera, cab with ROPS/FOPS protection, air-suspending seats and new spring silicone oil absorber, and pay more attention to safety protection and driving comfort; meanwhile multiple working devices and tools are optional to realize multi-condition operation. The two models are of powerful adaptability.