What is the application scope of engine oil grade 0w40?

1 Answers
MasonRose
07/29/25 10:59pm
Engine oil grade 0w40 is suitable for vehicles with high oil viscosity and large displacement. Here is an introduction to the application scope of engine oil grade 0w40: 1. Brief introduction: The W in 0w40 stands for Winter. The smaller the number before it, the better the low-temperature fluidity of the oil, indicating a lower usable ambient temperature and better protection for the engine during cold starts. The number 40 indicates that the kinematic viscosity standard at 100 degrees Celsius is between 12.5m㎡/s and 16.3m㎡/s. 2. Meaning: The number before W represents the flow performance at low temperatures. The smaller the number, the better the starting performance at low temperatures. The number after W represents the stability of the oil at high temperatures (i.e., the possibility of thinning). The larger the number, the better the high-temperature stability of the oil.
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