Rear counterweight mounting structure of high-horsepower tractor

The utility model provides a rear balancing weight mounting structure of a high-horsepower tractor. The rear balancing weight mounting structure comprises a flange nut, a hexagon nut, more than two rear balancing weights, a first bolt and a second bolt, a first bolt sequentially penetrates through a first bolt mounting through hole in the first rear balancing weight, a positioning boss on the first rear balancing weight and a mounting hole reserved in a wheel rim and then is locked with a flange nut in a matched mode, and a positioning boss on the second rear balancing weight is matched with a second positioning groove in the first rear balancing weight. And a second bolt sequentially penetrates through the first positioning groove of the second rear balancing weight, the first bolt mounting through hole of the second rear balancing weight, the positioning boss of the second rear balancing weight and the second bolt mounting through hole of the first rear balancing weight and then is matched and tightened wit