A walking-type tilling machine, comprising: a machine-body; a tilling device attached to the machine-body; a fuel tank attached to the machine-body; and a handle structure-body which extends upwardly and rearwardly with reference to a frontward movement direction, the handle structure-body being attached to the machine-body, the walking-type tilling machine comprises an oil-supplying tank placement plate which has a placement face on which a portable oil-supplying tank for performing oil-supplying of the fuel tank is placed, wherein the oil-supplying tank placement plate is attached to a front side of the handle structure-body with reference to the frontward movement direction, the oil-supplying tank placement plate is rotatably attached, in a use state where the oil-supplying tank is placed on the oil-supplying tank placement plate, the oil-supplying tank placement plate is made to rotate so that the placement face faces upward, in a non-use state where the oil-supplying tank is not placed on the oil-supplying tank placement plate, the oil-supplying tank placement plate is made to rotate so that the placement face is set along the handle structure-body, the handle structure-body has a handle part and a handle frame, the handle part has a left side handle part and a right side handle part, a connection member is provided which connects the left side handle part and the right side handle part, the oil-supplying tank placement plate is rotatably attached to the connection member, characterized in that the walking-type tilling machine comprises a spring one end part of which is attached to the oil-supplying tank placement plate, and another end part of which is attached to the connection member, wherein a spring fulcrum getting-over principle is utilized in a transition state between the use state and the non-use state, so that the oil-supplying tank placement plate is held in the use state or the non-use state. a machine-body; a tilling device attached to the machine-body; a fuel tank attached to the machine-body; and a handle structure-body which extends upwardly and rearwardly with reference to a frontward movement direction, the handle structure-body being attached to the machine-body, the walking-type tilling machine comprises an oil-supplying tank placement plate which has a placement face on which a portable oil-supplying tank for performing oil-supplying of the fuel tank is placed, wherein the oil-supplying tank placement plate is attached to a front side of the handle structure-body with reference to the frontward movement direction, the oil-supplying tank placement plate is rotatably attached, in a use state where the oil-supplying tank is placed on the oil-supplying tank placement plate, the oil-supplying tank placement plate is made to rotate so that the placement face faces upward, in a non-use state where the oil-supplying tank is not placed on the oil-supplying tank placement plate, the oil-supplying tank placement plate is made to rotate so that the placement face is set along the handle structure-body, the handle structure-body has a handle part and a handle frame, the handle part has a left side handle part and a right side handle part, a connection member is provided which connects the left side handle part and the right side handle part, the oil-supplying tank placement plate is rotatably attached to the connection member, characterized in that the walking-type tilling machine comprises a spring one end part of which is attached to the oil-supplying tank placement plate, and another end part of which is attached to the connection member, wherein a spring fulcrum getting-over principle is utilized in a transition state between the use state and the non-use state, so that the oil-supplying tank placement plate is held in the use state or the non-use state.