A cutting device (1; 50) comprising: a table having an upper surface for placing thereon a workpiece (W, W1, W2); a positioning fence operable to position the workpiece (W, W1, W2) on the upper surface of the table; and a tool unit vertically movably supported on the table and including an electric motor as a drive source, a spindle rotatably driven by the motor, a rotary cutting tool mounted to the spindle so that the rotational axis of the spindle defines a rotational center of the cutting tool, and a fixed cover configured to cover an upper portion of the cutting tool, and a gear train (20; 30) configured to transmit rotation of the motor to the spindle and comprising: a first intermediate shaft (22; 31) a drive gear provided to an output shaft of the motor; a driven gear and a first intermediate gear (23; 31a) mounted to the first intermediate shaft (22; 31), the driven gear engaging the drive gear; characterized in that the gear train further comprises a second intermediate shaft disposed in parallel on a lower side of the first intermediate shaft (22; 31); a second intermediate gear mounted to the second intermediate shaft; and an output gear mounted to the spindle, wherein: the second intermediate gear engaging both of the first intermediate gear (23; 31a) and the output gear, a distance between an axis of the first intermediate shaft (22; 31) and an axis of the second intermediate shaft is determined such that the axis of the second intermediate shaft is positioned on the lower side of an outer diameter of the driven gear, and the axis of the output shaft and the axis of the first intermediate shaft (22; 31) are positioned within a same plane. a table having an upper surface for placing thereon a workpiece (W, W1, W2); a positioning fence operable to position the workpiece (W, W1, W2) on the upper surface of the table; and a tool unit vertically movably supported on the table and including an electric motor as a drive source, a spindle rotatably driven by the motor, a rotary cutting tool mounted to the spindle so that the rotational axis of the spindle defines a rotational center of the cutting tool, and a fixed cover configured to cover an upper portion of the cutting tool, and a gear train (20; 30) configured to transmit rotation of the motor to the spindle and comprising: a first intermediate shaft (22; 31) a drive gear provided to an output shaft of the motor; a driven gear and a first intermediate gear (23; 31a) mounted to the first intermediate shaft (22; 31), the driven gear engaging the drive gear; characterized in that the gear train further comprises a second intermediate shaft disposed in parallel on a lower side of the first intermediate shaft (22; 31); a second intermediate gear mounted to the second intermediate shaft; and a first intermediate shaft (22; 31) a drive gear provided to an output shaft of the motor; a driven gear and a first intermediate gear (23; 31a) mounted to the first intermediate shaft (22; 31), the driven gear engaging the drive gear; characterized in that the gear train further comprises a second intermediate shaft disposed in parallel on a lower side of the first intermediate shaft (22; 31); a second intermediate gear mounted to the second intermediate shaft; and an output gear mounted to the spindle, wherein: the second intermediate gear engaging both of the first intermediate gear (23; 31a) and the output gear, a distance between an axis of the first intermediate shaft (22; 31) and an axis of the second intermediate shaft is determined such that the axis of the second intermediate shaft is positioned on the lower side of an outer diameter of the driven gear, and the axis of the output shaft and the axis of the first intermediate shaft (22; 31) are positioned within a same plane. the second intermediate gear engaging both of the first intermediate gear (23; 31a) and the output gear, a distance between an axis of the first intermediate shaft (22; 31) and an axis of the second intermediate shaft is determined such that the axis of the second intermediate shaft is positioned on the lower side of an outer diameter of the driven gear, and the axis of the output shaft and the axis of the first intermediate shaft (22; 31) are positioned within a same plane.