山推工程机械股份有限公司的主导产品TY220推土机系国内利用日本小松技术生产的具有国际80年代先进水平的产品，它的成功引进和投放市场，曾一度改变了我国大功率推土机长期依赖进口的局面，并为山推的发展壮大奠定了雄厚的基础，但单一的产品结构不能充分满足国内外市场的需求 The TY220 Bulldozer, a leading product of Shantui Construction Machinery Co., Ltd., is a domestic product that uses the Japanese Komatsu technology to produce advanced levels in the 1980s. Its successful introduction and introduction to the market has once changed the long-term reliance on imports from China’s high-power bulldozers. , and laid a solid foundation for the development and expansion of Shantui, but a single product structure can not fully meet the needs of domestic and foreign markets