6105型发动机是配置在东风牌自走式联合收割机上的动力。该型号发动机的机油泵传动中间齿轮轴与套易损坏。针对此问题,我们对6105型发动机易发生损坏的原因进行了分析,并作了较为妥善的改装。经过一年多的生产实践证明,改装效果较好,基本解决了机油泵传动中间齿轮轴与套易损坏的问题。 6105 engine is configured on the Dongfeng brand self-propelled combine harvester. This model engine oil pump drive gear shaft and sleeve easy to damage. In response to this problem, we 6105 engine prone to damage the causes were analyzed and made a more appropriate modification. After more than a year of production practice has proved that the modification effect is better, the basic solution to the oil pump drive gear shaft and sleeve easy to damage the problem.