Crawler type shot blasting machine is suitable for many varieties, large and medium batch production workpiece surface rust removal or shot blasting strengthening. Cleaning workpiece must be not afraid of collision castings and heat treatment parts. Crawler type shot blasting machine application range: die casting, precision castings, precision forgings and other cleaning, finishing. Removal of heat treatment parts, castings, forgings surface oxide, spring strengthening, fastener rust and pre-treatment. The machine can not clean the workpiece with high temperature or with a flash burr, otherwise it will damage the track, can design automatic loading and unloading mechanism, reduce the labor intensity of workers, improve production efficiency.