PROBLEM TO BE SOLVED: To provide a work machine for preventing positional deviation of a hinge by easily adjusting a position of the hinge of a boarding door.SOLUTION: A work machine comprises an operation part 2 for boarding by an operator, a cabin 7 for covering the operation part 2 and a boarding part 4 having a transverse-opening boarding door 40 in a boarding port 40a of the operation part 2, and the cabin 7 comprises a frame body for forming the boarding port 40a, and the boarding part 4 comprises a hinge 41 having a frame side member fixed to the frame body and a door side member fixed to the boarding door 40 and a stopper 45 fixed to the frame body and positioning the hinge 41, and the frame side member is fixed to an airframe outside surface of the frame boody, and the stopper 45 comprises an abutting surface for positioning the hinge 41 by surface-abutting on an outer peripheral surface of the frame side member.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2020,JPO&INPIT【課題】搭乗扉の蝶番の位置調節を容易にし、かつ、蝶番の位置ずれを防止した作業機を提供する。【解決手段】操縦者が搭乗する運転部２と、運転部２を覆うキャビン７と、運転部２の搭乗口４０ａに横開きの搭乗扉４０を有する搭乗部４と、を備え、キャビン７は、搭乗口４０ａを形成する枠体を有し、搭乗部４は、枠体に固定される枠側部材と搭乗扉４０に固定される扉側部材とを有する蝶番４１と、枠体に固定され、蝶番４１の位置決めをするストッパ４５とを有し、枠側部材は、枠体の機体外側面に固定されており、ストッパ４５は、枠側部材の外周面に対して面当たりして蝶番４１の位置決めをする当接面を有する。【選択図】図１
