Readers ask: What Is Transmission Gear Oil?

Is transmission fluid the same as gear oil?

The simplest answer to the difference between transmission fluid and gear oil is in the purpose for which they are designed. Transmission fluid is engineered to work with automatic transmissions, whereas gear oil is typically intended to work with manual-type gear boxes.

What can I substitute for gear oil?

Substitutes for Gear Oil Manual Transmission Fluid (MTF) An obvious substitute for the American Petroleum Industry Gear Lubricant (API GL-4 or GL-5) typically used in your vehicle is an appropriate MTF for your make and model. Automatic Transmission Fluid (ATF) Motor Oil.

What is gear oil used for?

Gear oil is designed to protect vital components, including the gears and bearings in the drive axles and differentials, transmissions, industrial gear boxes and power take-off units. Gear oil generally has a higher viscosity for easier distribution and protection through the entire gear set.

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What is difference between gear oil and engine oil?

Gear oil differs from motor oil. While many motorists may assume SAE 90 gear oil is thicker than SAE 40 or 50 motor oil, they are actually the same viscosity; the difference is in the additives. To combat this extreme environment, extreme-pressure additives are incorporated into the oil.

Can I put gear oil in my transmission?

What does this mean for my vehicle? Whilst some manual gearboxes do use transmission fluids in place of gear oil, the same cannot be said for putting gear oil into an automatic transmission. Gear oil is much too viscous for these systems and will cause clogging between components.

What is 80w90 gear oil used for?

Lubricant. The oil known as 80W-90 GL-5 is a lubricant for the gears in your vehicle. It is used in automatic and manual transmissions, and assists the gears in shifting smoothly.

What gear oil is best?

Best Sellers in Gear Oils ACDelco 10-4034 7W-90 DEXRON Lower Shaft Gear Oil – 32 oz. Mobil 1 75W-90 Synthetic Gear Lube LS. ACDelco 10-4016 75W-90 Synthetic Axle Gear Oil – 32 oz. Sta- Lube SL2513 Soluble Oil, 1 Gallon. Genuine Honda 08200-9008 Automatic Transmission Fluid ATF DW-1 (ATF-Z1) 2 Quarts.

Should I use synthetic gear oil?

However, if the environment is more severe, the temperature runs extremely high or low, there are extended oil drains, or the impact of a failure is considerable enough to justify the cost, then you should choose a synthetic oil.

What oil is best for gearbox?

Switching from a petroleum-based oil to a synthetic PAO or polyglycol can provide good results. PAOs are very compatible with mineral oils, so an oil flush usually is not required when changing to this type of synthetic oil.

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Is Thicker gear oil better?

Thicker gear lubes provide better shock absorption at the gear face and prevent spooning or cupping gear teeth. Some gear lube manufacturers have started to offer 75W-110 in order to provide better protection when pulling heavy loads without sacrificing as much fuel efficiency as 75W-140.

What happens if you use gear oil in the engine?

viscosity of gear oil and engine oil is different from each other gear oil is much thicker than engine oil and if you use gear oil instead of engine oil than it will damage your engine. You may face starting problems and even if it starts than its just a matter of time to complete tear of your engine.

Can I use 80W90 instead of SAE 90?

Veteran Member. 80W90 means the oil flows like a 80 weight oil cold, yet lubricates like a 90 weight oil when hot as defined by the SAE test procedure. Use it when SAE 90 is specified.

Can you mix ATF and gear oil?

Works fine. I have run that combination in may transmissions before, half & half gear lube and ATF. If it’s a 83 T-5, it’s supposed to have gear lube anyway, although either will work.

What gear oil is the thickest?

The SAE grading system indicates oil viscosity in simple numbers ranging from the thin oil (10) to the very thick oil (140 or above). Heavier weight, or higher grade oil is more viscous and therefore thicker as it flows between the gears. Light grade oil is ideal for small, fast, polished gears under a light load.

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How do I choose gear oil?

How do you select a gearbox oil? Gearbox type: dimensions, the metal from which the teeth are made, sliding properties and gear ratio, open or closed casing, etc. Operating conditions: depending on the load, vibration and shock levels, anti-wear and extreme pressure properties determine the choice of lubricant.

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