东风EQ140型载重汽车配装6100型发动机。由于6100型发动机发生爆震，活塞顶往往会烧蚀。为了预防发动机发生爆震现象，驾驶时应做到以下几点：a．不使用低于70号的燃油。b．使用软水，减少水垢，并及时清除冷却系中的水垢，保证良好的冷却效果。如果使用硬水，则需要对硬水进行 Dongfeng EQ140 truck equipped with 6100 engine. As the 6100 engine knock, piston top will often ablation. In order to prevent engine detonation phenomenon, when driving should do the following: a. Do not use less than 70 fuel. b. Use soft water, reduce scale, and timely removal of scale in the cooling system, to ensure good cooling effect. If you use hard water, you need to hard water