GL-4 and GL-5 are standards set by the American Petroleum Institute for gear oils. GL-4 are intended for axles with spiral bevel and hypoid gears operating under moderate to severe conditions of speeds and loads. They are also suitable for sychronized manual transmissions when MT-1 gear oils are NOT recommended. GL-4 should be used in limited-slip differentials. The GL-4 generally indicates "Limited Slip" properties in the gear oil; sometimes abbreviated as LS. GL-5 is indicated for high-speed/shock loads and low-speed/high-torque conditions. GL-5 also has multi-purpose or mild EP (extreme) properties too. GL-5 is often seen with the MT-1 designation too. MT-1 indicates lubricants intended for NON-sychronized manual transmissions. MT-1 indicates the additional additives necessary to protect against thermal degradation, component wear and oil-seal deterioration which are not requirements by GL-4 or GL-5 approval. GL-5 is not the latest and greatest improvement over GL-4; unlike oil classifications where higher classification numbers mean tougher standards and backward compatiblity. It is important to know what type of gears you are lubricating, their applications and follow the manufacturer's recommendations! More information can be found at www.api.org.
Engine oil, compared to gear oil, usually has lower viscosity when cold. It contains more detergent additive. It requires higher temperatures to burn. It is designed to protect engines from damage caused by solids and acids formed in combustion. Gear oils usually have more additives to prevent wear at extreme pressures. Gear oils are often available in formulations for compatibility with specific types of seals and clutches.
Hydraulic oils are substances that are hot, while refrigeration properties are cold.
According to the manual (Suzuki RM125), it says to run 10W40. They make an 80W gear oil and I have used it but it did no better or worse than automotive 10W40. 80W gear oil is approximately equivelant to 25W engine oil, because engine oils and gear oils use a different rating standard
synchromesh purple bottle
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Water contains no alcohol or oils, as rubbing alcohol does.
Margarine is made with oils and artificial ingredients, butter is made from cream, shortening is made from oils and sometimes animal fats.
You should NEVER mix any type of oils / fluids.
the natural oils and moisture from whats called viscous adhesion
Essential oils are made by distillation process. Extracts can be extracted by pressuring plants.
Generally speaking a 85w/90 gear oil would be mineral. A synthetic oil has better operating characteristics at either end of a temperature range and so they normally have a wider viscosity difference. i.e. with gear oils a 75w/90 or 80w/140 could well be synthetic
hydraulic fluid is used internally only,slide way lubricants are external