日本进口柴油载重汽车,具有车身长、底盘低、装卸方便、驾驶操作轻便等优点。如果使用、维修得当,5～6吨位的载重汽车千吨公里油耗可降到35～45L,年吨平均利润可达2500～3000元,新车至大修运行间隔里程可达到35～40万km。但是,若使用、维修不当,会频繁发生故障,运行不到10万km即需大修。欲提高车辆的使用寿命,必须注意以下几个主要问题。 Japan imports diesel trucks, with a long body, low chassis, easy handling, driving and other advantages of light operation. If used and properly maintained, the fuel consumption per tonne kilometer of 5 ~ 6 tonnage truck can be reduced to 35 ~ 45L, average annual profit can reach 2500 ~ 3000 yuan, and the mileage between new car and overhaul can reach 35 ~ 400000 km. However, if used and improperly repaired, frequent failures will occur, and operations of less than 100,000 km will require overhaul. To improve the service life of vehicles, we must pay attention to the following major issues.