JCM 921 excavator 1.the imported commins engine provides a powerful horsepower, and the maintenance is convenient. 2.imported hydraulic parts, negative flow &electric control. high efficiency with the functions of boom confluence &diffluence, swing priority ,flux regeneration. 3.the new-type full-punching 4.applying the three-dimensional and finite analysis to the working device and frame &under carriage makes sure of the high reliability. 5.passed EU safe certification.
