| 摘要 |
PURPOSE:To utilize the fresh outside air so as to improve cooling efficiency of an engine, by setting up a suction port of cooling air in the driver's seat side of a bonnet and providing a radiator to be arranged in the bottom of this suction port while the engine to be arranged before the radiator. CONSTITUTION:A cooling air suction port 13, opened toward the front, is set up on the upper surface of a bonnet 1 in its side of a steering handle 14 in the front part of a car body. And the suction port 13 provides in its bottom a radiator 3 to be arranged being placed in a front tilting attitude. Here the radiator 3 sets up in its rear and bottom respectively an air guide plate 16 and a shielding plate 20 enveloping the radiator 3. While a tractor provides an engine 2 to be arranged before the radiator 3 further a cooling fan 17 to be additionally arranged in the front face of the engine 2. While the tractor additionally provides a fan shroud 18 in the periphery of the cooling fan 17 further forms a discharge port 19 in the fan shroud 18. In this way, cooling efficiency of the engine 2 is improved by supplying cooling air, immediately after it is introduced from the outside air, to the radiator 3.
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