| 摘要 |
PURPOSE: A vehicle with a fuel tank, an auxiliary muffler and a reducing agent tank specifically arranged is provided to arrange parts and to reduce the installation space by preassembling and fastening a compact unit including a urea solution tank, the auxiliary muffler and the fuel tank in a chassis of the vehicle. CONSTITUTION: An auxiliary muffler(3) and a main muffler are arranged in an exhaust gas pipe(2), and fuel is supplied from a fuel tank(1). A hydrolysis catalyst converter(4) and an oxidation catalyst converter(5) are installed in the auxiliary muffler, and urea solution is supplied to the hydrolysis catalyst converter by a dozing unit and stored in a urea solution tank(9). A unit(10) is formed by the urea solution tank, the auxiliary tank and the fuel tank, and fastened entirely to a chassis of the vehicle. The fuel tank, the urea solution tank and the auxiliary muffler are preassembled and mounted to the chassis of the vehicle.
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