... well. According to customer requirements,auxiliary devices such as air brake ,oil brake, air compressor,warm air heater and power steering pump ... closed type, with holes 4×Φ0.30mm,opening pressure 19.1±0.45MP(195±5kgf/cm2).·Oil pump is of gear drive type.·Oil ... tons cargo truck, 6-7 m passenger bus ect. CY4102 Vertical, in-line, water-cooled, four strokes, natural aspirated