Working machine

The invention provides a working machine. The working machine is provided with: an engine (E); a radiator (53) disposed on the side of the engine (E); an exhaust gas treatment device (3) that is disposed adjacent to the upper part of the engine (E) and that reduces particulate matter contained in the exhaust gas discharged from the engine (E); a downstream-side exhaust pipe (4) that is connected to the exhaust gas treatment device (3) and through which the exhaust gas discharged from the exhaust gas treatment device (3) flows. The downstream side exhaust pipe (4) extends to a position closer to the outer side of the machine body than the radiator (53). As a result, exhaust gas discharged from the engine is less likely to come into contact with various devices and the like in the work machine. 本发明提供作业机。其中的一种作业机具备：发动机(E)；散热器(53)，其配置于发动机(E)的侧方；排气处理装置(3)，其以与发动机(E)的上部相邻的状态配置，减少从发动机(E)排出的排气中所含的粒子状物质；下游侧排气管(4)，其与排气处理装置(3)连接，供从排气处理装置(3)排出的排气流过；下游侧排气管(4)延伸到比散热器(53)更靠机体外侧的位置。由此，从发动机排放出来的排气难以与作业机中的各种装置等接触。