2015年6月中旬,东方红-MF400运输型拖拉机改进型配置投入小批试生产。改进后,最高车速由32km/h提高至38.5 km/h,在其它配置保留的情况下,仍能兼顾农田作业模式,由于原车型车速较低,不利于提升市场竞争力,中国一拖营销中心决定对其进行车速提升。经过4个月的改进设计、试验,改进型配置已进入小批试生产 In mid-June 2015, Dongfanghong -MF400 transport tractor improved configuration put into small batch pilot production. After the improvement, the maximum speed increased from 32km / h to 38.5km / h. Under the condition of other configurations, it still takes into account the farmland operating mode. Due to the low speed of the original model, which is not conducive to enhancing market competitiveness, China YTO Marketing Center Decided to speed up it. After 4 months of improvement design, testing, improved configuration has entered a small batch of trial production