Kick Mineral Diesel Engine Oil 15W40 is an extra high performance diesel engine oil that provides excellent lubrication of today’s diesel engines promoting extended engine life. Kick Mineral Diesel Engine Oil 15W40 meets or exceeds original equipment manufacturer (OEM) requirements and deliver outstanding performance in both on- and off-highway applications. Fully backward compatible, Kick Mineral Diesel Engine Oil 15W40 is recommended for both newer and older heavy-duty engines.