With a variety of practical training functions: 1, can make transmission assembly, suspension system, steering system, brake system, front and rear axles and other disassembly, diagnosis, analysis of hands-on training; 2, simulate the adjustment of four-wheel alignment, gearshift mechanism, brake system operation, and can do the brake system emptying and leakage testing and other hands-on training; 3, can be used for comprehensive overall chassis maintenance disassembly, testing, debugging practice;