In this combine, a cutter assembly 3 is installed on the front section of a travel chassis 1 mounted with an engine 7 thereon, a thresher assembly 9 is mounted behind the cutter assembly 3 on the travel chassis 1, a steering assembly 7 is disposed laterally and to the front of the thresher assembly 9, and the engine 7 is mounted below and to the rear of a step part 400 of the steering assembly 5. An ECU 401 for controlling the operation of the combine is disposed on a section to the front of the step part 400. The ECU 401 is positioned to the front of the step part 400 with a space therebetween, and the engine 7 is positioned to the rear of the step part 400.
