一、情况概述475型汽油机,是我国内燃机行业于七十年代发展起来的一种新型产品,并且以后又在该机的基础上发展了一些变型产品。早在1970年,国内为了适应1吨叉车动力配套的需要,在一机部组织下,由山西机械厂、北京铁路装卸机械厂等单位共同协作设计,并制出了475C型汽油机。我厂自此时起已 I. Overview The 475 gasoline engine is a new type of product developed by the internal combustion engine industry in China in the 1970s, and some variant products have been developed on the basis of this machine later. As early as 1970, in order to meet the needs of supporting 1 tonne forklift truck in China, under the organization of a machine department, the 475C gasoline engine was designed and manufactured by Shanxi Machinery Factory, Beijing Railway Handling Machinery Factory and other units. I plant from now on