... 7m buses, tourist buses and intercity buses as well. According to customer requirements,auxiliary devices such as air brake ,oil brake ... the demand of auto market to 2-3 ton light-duty diesel vehicles. In the meantime, due to the change of international ... .The main technical parameters of CY4102BQ Model CY4102BQ Type Vertical, in-line, water-cooled, four strokes, natural aspirated No. of cylinder- ...