What is the difference between Mobil AFE and EP?

1 Answers
DelSamantha
07/30/25 8:51am
Here are the differences between Mobil AFE and EP: 1. Formula: Mobil EP is a long-life engine oil, claimed to last up to 24,000 kilometers or one year before needing a change (likely due to added high-temperature antioxidants); AFE is a fuel-saving formula, meaning it is thinner. AFE has the highest engine noise, while EP offers the best overall performance. 2. Advantages: AFE's advantage is its very low low-temperature pumpability viscosity (MRV), which helps save fuel and allows the oil temperature to rise quickly, making it suitable for winter use; EP has better overall performance, especially in terms of flash point and evaporation loss, meaning superior high-temperature performance. Here is some additional information: 1. Mobil: Mobil is a high-performance lubricant formulated with advanced base oils and balanced additive packages, specifically designed for operation under harsh conditions. 2. Design: Mobil is designed for heavy-duty, low-speed gears that frequently operate under boundary lubrication conditions. These products are formulated with synthetic base oils, offering unique low-temperature fluidity despite their high viscosity grades.
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