PROBLEM TO BE SOLVED: To provide a combine in which intake and exhaust system components are efficiently and compactly arranged around a diesel engine while considering the performance of the intake and exhaust system components.SOLUTION: A combine according to the invention of the present application is equipped with an engine room 79 in which a diesel engine 20 is installed. The combine is equipped with an operation part 10 having an operator seat 12 which is arranged above the engine room 79 and is in a state offset to lateral outside of a running machine body 1 with respect to the lateral center of the machine body 1. An exhaust gas emission control device 65, which introduces exhaust gas of the diesel engine and performs an emission control treatment of the exhaust gas, is provided at a position which is above the diesel engine 20 and is offset to lateral inside of the machine body with respect to the operator seat 12.