REXOIL DIAMOND PRO F 10W/30 is high performance diesel engine oil which is prepared with synthetic base oils and advanced additive packages to provide excellent low temperature fluidity, high temperature viscosity retention, and volatility control. It is recommended for passenger cars and commercial vehicles, European and American design, low-emission, turbocharged engines. It is also recommended for vehicles that are working on roads and high speed / heavy load, light and heavy truck transport over short distances as well as upload / download operating, construction and agricultural land, such as vehicles running under heavy load conditions.