Revia 15W-40 API CH4 diesel engine oil is a premium quality, heavy-duty mineral engine lubricant designed for use in commercial vehicles, heavy duty trucks, buses and LCVs. Formulated with high-grade base stocks and a carefully engineered additive package, this 15W-40 CH4 oil delivers outstanding thermal stability, wear protection and soot control, ensuring excellent engine cleanlines... https://www.reviamobility.com/15w40-ch4/