东方红MF500型拖拉机配新柴498BT型柴油机。我购买机器2年,只用旋耕机。一年只工作8～9天左右,两年内工作未超过25天,所以并未出现故障。只是有些部件密封不严有些渗油。如油底壳、呼吸器根部等,虽然问题不大,但是如果能再完善就更好了。此款机器功率大,油耗低,夏天干活真的没话说。但是2012年启动时打不着车,检查后发现是启动机进潮气而导致拨叉锈死,虽然不是大毛病,但是还是希望能 Dongfanghong MF500 tractor with new diesel 498BT diesel engine. I buy the machine for 2 years, only rotary machine. Only 8 to 9 days of work a year, two years did not work more than 25 days, so there is no failure. Some components are not strictly sealed some of the oil leakage. Such as the oil pan, respirator root, etc., although the problem is not, but if we can perfect it better. This machine power, low fuel consumption, summer, really hard to say. However, when the car started running in 2012, it was found that it was rusting the fork after the inspection was started. Although it was not a serious problem, it still hoped