PEAK 15W40 is an advanced mineral technology high-performance multi-grade, low viscosity engine oil formulated to provide wide temperature range engine protection that is required by API SN/CF. It is specially formulated to provide extra protection against the harmful effects of stop-and-go driving and high and low-temperature engine operation. 

PEAK 15W40 is recommended for all petrol engines fitted with multi-valve and multi-cam cylinder heads, turbos, superchargers, and where computer-controlled engine management systems are fitted. Also suited for vehicles with or without catalytic converters and is ideal for L.P.G /  C.N.G and Dual fuel engines. The perfect choice for light-duty diesel turbocharged and naturally aspirated engines in passenger cars, light commercials, and SUVs / 4WDs. We recommend this lubricant for all vehicles where a 15W40 SN CF engine oil is specified. NOT suitable for diesel’s fitted with Diesel Particulate Filters (DPF)

PEAK 15W40 is a popular viscosity and is highly recommended for later models vehicles. It is a premium mid viscosity range engine oil that suits a wide variety of vehicles including many new and most mid-year modern petrol vehicles and those fitted with dedicated gas or using dual-fuel including E10 and E85. It suits modern 4, 6, and 8 cylinder engines, including many Australian, Japanese, Asian, US, and European vehicles. Suitable for Light Duty Diesel engines in passenger cars, 

PEAK 15W40 is formulated with a high level of detergency / dispersancy minimising formulation of low-temperature sludge leading to cleaner engines. Advanced Mineral Technology offers total engine protection during the three stages of the drive cycle – start-up, warm-up, and normal operating conditions. It provides excellent thermal and oxidation stability, freedom of ring sticking, and reduction in deposits leading to reduced engine wear and a longer engine and component life.