Operation matching test bed of tractor unit

The utility model discloses an operation matching test bed of a tractor unit. The operation matching test bed comprises a rail, a moving earth groove movably assembled on the rail to hold simulated earth and a driving system for driving the moving earth groove to move. A mounting rack, which is used for mounting a complete tractor which is capable of hanging a tractor unit to be tested, or a simulated power section which is capable of hanging the tractor unit to be tested and simulating a tractor power system, or the tractor unit to be tested, is arranged above the moving earth groove. The test bed also comprises a test part for detecting the load bore by the tractor unit to be tested. By driving the moving earth groove to simulate an actual working state of the tractor unit in a field, the operation matching test bed of the tractor unit provided by the utility model with the fixed mounting rack is available for the mounting of different types of tractor units to be tested.