In order to solving the problems in the training of a certain loader vehicle, constructing the integrated training simulator system according to the training requirements and contents. The system is constructed bases on the framework of C/S and is designed in the form of independent modularity, the system’s hardware including teacher supervise client, operator train client and student emulate client, the software of the system including a lot of modularity, such as system platform, operate supervise modularity, information management modularity, single pawn operate train modularity, cooperative operate train modularity and student emulate modularity. 3ds Max and Creator are applied to build the three-dimensional models. VC++ and the API function in Vega are used to realize interactive function between the operators and the virtual set. The databases are constructed by Access and the ODBC technology is used to operate and manage them. The TCP/IP communication protocol is used to realize the data transmission among the consoles. The application shows that the system is stable and the can improve the training performance.