This specification stipulates the basic requirements, test methods, inspection rules and warranty period for imported second-hand hydraulic excavators. This specification applies to imported second-hand hydraulic excavators below 90t (hereinafter referred to as excavators). The excavator mentioned in this specification refers to an excavator that has one of the following conditions:
——After use, it still has basic functions and a certain use value;
——It has not been used, but has been stored for too long and has exceeded the quality guarantee period. Or the parts have obvious physical loss;
——New and old parts are mixed;
——It has been repaired or refurbished.