For effective completion of tractor dynamics test and developing its control units, the technology requirements for general sensor installation bracket on tire center position was firstly determined, then the detailed structure was optimized and processed. The designed mass of bracket was 1.815kg and its axial length could be adjusted. The designed structure ensured that the principal plane of bracket was parallel to the tire rotary plane and its rotation center was aligned with the tire rotation center. The finite-element simulation analysis showed that the max deformation of the bracket was less than 0.2mm when loaded with vertical and rotation inertial forces at speed of 90km/h on the worst H level road, so it could not add systematical error on the measurement data. A roadway test system was developed and the reliability of the bracket was verified by the systematical roadway tests. This research provided a general and effective means to study the measurement problem on the rotation tire center, such as tractor assistant driving navigation system for mechanized working in small or medium scale farmland, tractor tire dynamics test, and so on.