The utility model relates to an excavator thrust wheel neck and electromagnetic induction heating of end portion frock utilizes the copper tubing to weld into an overall structure, carries out induction heating to excavator thrust wheel spindle nose. Including the end portion and the neck juncture heating copper tubing that are used for the end portion heating copper tubing of the end hardening of thrust wheel, are used for quenching to the chamfer boundary portion of thrust wheel, the vertical copper tubing of neck heating that is used for quenching to the neck excircle of thrust wheel with the horizontal copper tubing of neck heating, set up the U type silicon steel sheet magnetizer on the vertical copper tubing of neck heating, the utility model discloses can realize carrying out the heating link among the quenching treatment to excavator thrust wheel neck and end portion, realize excavator thrust wheel neck and the difference quench -hardened case degree of depth quenching process of end portion.