GIS overhaul of equipments car for the problem of solution inefficiency during to the GIS overhaul of the equipments. Be equipped with riser and diaphragm in the automobile body inner chamber, riser and diaphragm divide into a plurality of workshops of placing GIS instrument for the overhaul of the equipments with the automobile body inner chamber, one side of automobile body is uncovered, at the articulated installation baffle of the uncovered side of automobile body, is equipped with the drive baffle around pin joint wobbling drive assembly, at the articulated extension board of installing of baffle free end in the automobile body rear of a vehicle, free end at the baffle is equipped with a threaded holes and second screw hole, and first screw hole, extension board enclose into a right angled triangle with the pin joint and the second screw hole of baffle, installation end at the extension board is equipped with the round hole, and the extension board lay in the coplanar with the baffle when bolt was installed in the cooperation in first screw hole and round hole, the extension board set up with the baffle is perpendicular when the bolt was installed in the cooperation in second screw hole and round hole, and the baffle constituted a step with the extension board this moment. This tool car can make things convenient for GIS overhaul of the equipments operation, improves GIS maintenance efficiency.