... plate case type.·Water pump is centrifugal type,with wax type thermostat.The main technical parameters of CY4102BQ Model CY4102BQ Type Vertical, in-line, water- ... cooled, four strokes, natural aspirated No. of cylinder-bore×stroke 4—102×118 Displacement 3.856 Type ... truck, 6-7 m passenger bus ect. CY4102 Vertical, in-line, water-cooled, four strokes, natural aspirated