矿用重型自卸汽车因其主要是在矿区使用而得名。这种车型的5%左右为中小吨位自卸车，载质量在30～85t，也用于大中型水电站施工中的坑基开挖和大江截流的短期作业。这种车型也称为非公路自卸车，此处的“非公路”绝无越野行驶的含义，而只是因其外形超宽，总质量超量，不允许在 Mining heavy-duty dump trucks are named for their use mainly in mining areas. About 5% of such vehicles are medium and small tonnage dump trucks with a mass of 30 ~ 85t and are also used for short-term operation of pit excavation and river closure in the construction of large and medium-sized hydropower stations. This type of vehicle, also known as off-highway dump truck, where “off-highway” has no meaning of off-road driving, but only because of its wide profile, total mass excess,