EF210-300型电力机车是日本货运铁路公司为替换即将退役的老旧型EF67型机车,作为大坡道列车尾部推送机车,与头部本务机车协调运行用的机车。经改进设计,机车装用了新型缓冲器等技术装备。介绍了该型机车概况、主要技术参数、转向架、制动和钩缓装置。运行试验结果表明,装用的新型缓冲器性能良好,与各型本务机车的协调运转中能满足所期望的性能要求。 EF210-300 electric locomotive is the replacement of the old EF67 locomotive which will be retired by Japan Freight Railway Company. It is used as locomotive for pushing the locomotive on the rear of large-scale train and coordinating with the head locomotive. After the improvement of design, locomotive equipped with a new buffer and other technical equipment. This locomotive overview, main technical parameters, bogie, brake and hook slow device are introduced. The running test results show that the new type of bumper used has good performance and meets the expected performance requirements in coordination with various types of local locomotives.