What does the GL rating on gear oil mean? What are automatic transmission fluids (ATF)?

The numbers on an oil seal usually indicate its dimensions, specifically the inner diameter (ID), outer diameter (OD), and width. For example, a seal marked “38 ... Nov 22, 2024 ... Companies that operate commercial vehicles transporting passengers or hauling cargo in interstate commerce must be registered with the FMCSA and must have a ... In a 5W-30 for example, the number before the W describes the viscosity of the oil at low temperatures. The lower the number, the thinner the oil and the better ... The viscosity grade (for example, 5W-30) tells you the oil's thickness, or viscosity. A thin oil has a lower number and flows more easily. What do they mean? The numbers represent the pitch size and the letter is a ... Oils for your car do not contain, for example, sufficient quantities of ... Jan 17, 2025 ... If you have questions on what RIN is, how RINs are traded, what types of RIN transactions include, and how EPA records all transactions ... ... oils can be used in most conditions. What does 5w40 actually mean? The “W” stands for “winter,” the number preceding it indicates the oil's viscosity (or ... Now that we understand what the first number represents, it's time to focus on the second one, which is 40 in our example. It shows how thick the oil is under ... Sep 15, 2015 ... competitive at $70 per barrel, a number that has been echoed · by Allianz, which is a significant investor in Shell. Jan 17, 2023 ... AMSOIL synthetic lubricants boast high VI numbers, meaning they're more stable than competing lubricants under extreme temperatures and ...