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1983年8月,我矿一台上海T-120推土机终传动齿轮损坏。在无原机配件情况下,经过分析计算,我们采用C-100拖拉机的终传动齿轮整套更换原齿轮办法,对该机进行了修复。修复后的上海T-120推土机前进Ⅰ档工作速度由2.28km/h提高到2.8km/h,工效提高了15～20%,使用情况良好。改装修复前后的上海T-120推土机与日本的NTK-6推土机的比较见表1。
In August 1983, the final transmission gear of a Shanghai T-120 bulldozer in our mine was damaged. In the absence of original accessories, after analysis and calculation, we used the C-100 tractor’s final drive gear set to replace the original gear and repair the machine. After the restoration, the Shanghai T-120 bulldozer forward I speed was increased from 2.28km/h to 2.8km/h, and the work efficiency was improved by 15 to 20%. The usage was good. The comparison between the Shanghai T-120 bulldozer before and after the refitting and the Japanese NTK-6 bulldozer is shown in Table 1.