PROBLEM TO BE SOLVED: To provide a sowing machine whose whole body can be made compact, and whose electric motor can have high torque and high speed. SOLUTION: This sowing machine 1 loading a battery 7 and the electric motor 20 driven by the battery 7 as a power source, and rotating at least any of front wheels 8 and rear wheels 9 driven by the electric motor 20 is provided with that the electric motor 20 is built in the rear wheels 9. COPYRIGHT: (C)2008,JPO&INPIT