PROBLEM TO BE SOLVED: To prevent excessive heating of a DPF unit.SOLUTION: An engine (9) is disposed in an engine room (E) provided in front of a grain tank (6), a DPF unit (40) for cleaning exhaust gas of the engine (9) is disposed in a space (S) formed between a thresher (5) and the grain tank (6), the DPF unit (40) is connected via a connecting pipe (50) to an exhaust manifold (30B) of the engine (9), the DPF unit (40) is covered by a covering body (42) inclined in the horizontal direction, and an opening part (A) is formed on a lower side of the covering body (42). Further, the covering body (42) includes two covers (45A and 45B) inclined downward in the right side and downward in the left side, where the two covers (45A and 45B) are separably configured.SELECTED DRAWING: Figure 5
