MerRIND^® 4T is a multi-grade engine oil, the selection of international high-quality base oil and imported compound additives, the use of high-performance viscosity index improver, to maintain superior lubrication performance, maintain a stable and strong oil film at various temperatures, to ensure that the engine instantaneous start, oil pressure rapid increase and components of low friction lubrication. Effectively reduce the piston ring dirt deposits, ensure the combustion seal performance, so that the engine can maintain the original power for a long time. Strictly according to industry standards, products fully comply with and exceed API SL/CF 10W/30 15W/40 industry specifications.