PROBLEM TO BE SOLVED: To provide a working machine capable of preventing an excessive load from being applied to a mounting portion of a ridger at the time of forming a ridge by the ridger even in a field where tillage is not sufficiently done in advance. To provide. A working machine includes a traveling body, a rotary cultivator mounted on a rear portion of the traveling body, and a ridger having an attachment portion attached to the rotary cultivator, and the attachment portion includes: A front mounting portion provided at a front portion of the ridger and a rear mounting portion provided at a rear portion of the ridger. [Selection diagram] Figure 8【課題】事前の耕耘が十分になされていない圃場であっても、畝立て器による畝の成形時において、畝立て器の取り付け部分に過剰な負荷が加わることを防止することができる作業機を提供すること。【解決手段】作業機は、走行体と、前記走行体の後部に装着されたロータリ耕耘機と、前記ロータリ耕耘機に取り付けられる取付部を有する畝立て器と、を備え、前記取付部は、前記畝立て器の前部に設けられた前取付部と、前記畝立て器の後部に設けられた後取付部と、を含む。【選択図】図８
