PROBLEM TO BE SOLVED: To provide an agricultural working machine capable of properly carrying out operations in twins reasonably, planting seedling completely closest to a levee, having improved safety by installing an operation tool capable of changing an agricultural working apparatus from a working state to a nonworking state by one operation. SOLUTION: In this agricultural working machine such as a sulky rice transplanter capable of changing an agricultural working apparatus such as a planting part, or the like, from a working state to a nonworking state, the working machine is equipped with an operation tool 15 capable of changing the agricultural working apparatus from the working state to the nonworking state by one operation. In the nonworking state, the agricultural working apparatus is raised to a noncontact position, the operation tool 15 is arranged in the vicinity of a steering handle 11 for steering a machine body. A speed change lever for operating a speed change gear capable of changing speed in forward and backward movement is equipped with a switch for allowing an operation to a backward movement zone. The switch is preferably also used for the operation tool 15.
