Asked by: Paige Disla
business and finance gasoline prices

Is SAE 30 thicker than 10w30?

Last Updated: 21st April, 2021

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SAE 10W30 is an oil that has SAE 10W viscosity(thickness) at low temperatures, and SAE 30 viscosity at high temperatures. The W stands for 'Winter'. At operating temperature, there'll likely be little difference between SAE 30 and SAE 10W30. In theory, they're the same at high temperature, which is IIRC set at 100C.

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People also ask, can I use 10w30 instead of SAE 30 in my lawn mower?

The answer is yes. Older engines can use the SAE30, while the 10W30 is for modern engines. Again, the SAE30 is better for warmer temperatures while the 10W30 is suitable for varying temperature range and improves cold weather starting.

Additionally, what is SAE 30 equivalent to? Obviously, SAE and ISO use two different scales to measure viscosity. SAE 10W is equivalent to ISO 32, SAE 20 is equivalent to ISO 46 and 68, and SAE 30 is equivalent to ISO 100.

Also to know, can you mix SAE 30 and 10w30?

You can mix straight weights like SAE 10 and SAE 30 or multi-grades like 10W30 and 10W40. Run your straight 30 during the summer if you want to.

Is 10w30 a 30 weight oil?

A straight 30 weight oil is 30 weight both when it is cold (that is, at the start-up of the motor) and hot (when the motor has reached operating temperatures). 10w30 weight oil is 10 weight when cold, and 30 weight when hot.

Related Question Answers

Fikri Langsam

Professional

Can I use car oil for lawnmower?

SAE 30 motor oil is commonly recommended for use in a lawn mower engine, but the safest best is to use the type of oil your lawn mower manufacturer recommends. Often 10W-30 or 10W-40, the same motor oil types that are used in vehicles, can also be used in a lawn mower.

Abdelkader Soria

Professional

Can I use 10w30 oil in my lawn mower?

Yes! We have modified our engine oil recommendations to state that you may now use a synthetic 5W30 (100074WEB) or 10W30 oil in all temperature ranges. We recommend the use of Briggs & Stratton Synthetic Oil. Engine break-in procedures using synthetic oil remain the same.

Alistair Zhashkov

Professional

What is the best oil for lawn mowers?

Amsoil synthetic oil for small engine vehicles will offer much better protection than conventional motor oils. Depending on which temperatures you operate in, you may have different requirements for your engine oil. For most mowers and weather conditions, your best bet is going to be SAE 30/SAE 10W-30 oil.

Junxi Sca

Explainer

What happens if you put 2 cycle oil in a lawn mower?

Gas and Oil Don't Mix
If you accidentally pour oil into the gas tank, it will not damage the mower if you drain it and replace it with gas. Maneuver the mower so that the oil can drain from the gas tank and get as much out as possible. Put the oil in its proper place and use the mower as usual.

Junhua Bobes

Explainer

Can I use 10w40 instead of 10w30 in my lawn mower?

The only difference between 10w30 and 10w40 oil is their thickness at engine operating (hot) temperatures. In the past, it was common practice to switch to a higher viscosity oil as an engine got older, for example, using a 20w50 oil in place of the 10w40 recommended by the manufacturer.

Gerardina Sasoeta

Explainer

Can I use 20w50 oil in my lawn mower?

The short answer is yes, you can use 20w50 oil in a lawnmower but results may vary. The thicker viscosity of 30 weight oil assists air-cooled engines to keep them running cooler! SAE30 is very suitable for older, aged engines to use.

Fandila Eycke

Pundit

What oil should I use in my Briggs and Stratton engine?

Use Briggs & Stratton SAE 30W Oil above 40°F (4°C) for all of our engines. Check oil level regularly. Air-cooled engines burn about an ounce of oil per cylinder, per hour. Fill to mark on dipstick.

Bricio Quinnell

Pundit

Can I use 5w20 in lawnmower?

Can I use synthetic oil in my lawn mower? Briggs & Stratton, Honda, Toro, and Kohler recommend synthetic oil in their engines. But you must use standard, 10W-30/SAE 30 or 5W-20/5W-30, the first time you use new or rebuilt engines. The viscosity mostly recommended for synthetic oil is 5W-30.

Otilio Bettelheim

Pundit

Can I use 30 weight oil in my car?

It is pefectly fine to use SAE 30 oil in place of the 10W30, as long as you never let the oil get below degrees 50C. SAE 30, has a certain 'slipperyness' when it is hot. (100 degree c measured), so when your car is running at normal temperature the oil flows properly.

Tareq Haumer

Pundit

What is SAE 30 motor oil used for?

SAE 30 w is usually a (non detergent) motor oil that is usually used on small engines like lawn mowers, generators, and other 4stroke lawn and garden tools. 30 is the viscosity or how think it is.

Hesham Coelhinho

Pundit

Is it OK to mix different weights of motor oil?

Answer: Mixing two different motor oil weights to make your own custom viscosity does not work quite as simply as it sounds. There a couple of unknowns and even some potential complications that have to be considered. If you are insistent on SAE 40 oil, consider AMSOIL Synthetic Premium Protection 10W-40 Motor Oil.

Bet Samit

Teacher

Can you use regular motor oil in a generator?

Using the right generator engine oil is critical to long lasting generator operation. Generally, high-quality 10W-30 engine oil is generally acceptable, but refer to your engine manual for oil recommendations. Every time you use your generator be sure to check the engine oil level.

Leyi Corvillo

Supporter

Is SAE 30 Synthetic?

A special blend of synthetic base oil and a balanced additive system that exceeds the FC-W requirements for marine engine oil. Superior engine protection during startups, operation and storage. Recommended for gasoline/diesel inboard and stern drive engines. SAE 30.

Jerusa Hoss

Supporter

Are all SAE 30 oil the same?

SAE30 weight oil is rated only at the full operating temp of the engine. This means it is much higher than 30 when cold. However it is important to note that the 30 is the same across all three oils, meaning that they will all be the same viscosity once the engine is at full operating temperature.

Helen Vyazmitinov

Supporter

How is engine oil made?

Most motor oils are made from a heavier, thicker petroleum hydrocarbon base stock derived from crude oil, with additives to improve certain properties. The bulk of a typical motor oil consists of hydrocarbons with between 18 and 34 carbon atoms per molecule.

Czeslawa Edwards

Beginner

Is SAE 5w30 synthetic oil?

The petroleum base oil alone may have the properties of an SAE 5 grade oil. When it's brand new, a 5W-30 conventional motor oil acts exactly like a 5W-30 synthetic motor oil.

Prisciliano Galli

Beginner

What is SAE 40 oil used for?

SAE 40. MOTOREX REGULAR SAE 40 is a mineral-oil-based monograde motor oil with minimal additives. It forms an oil mist during operation, which lubricates all lubrication points that are not supplied with oil via oil splash lubrication. Its strong adhesive power guarantees excellent emergency lubrication.

Georgetta Saikov

Beginner

Does it matter what 5w30 oil I use?

If your car takes 5w30 oil and you put 5w30 oil in it, it'll be fine. Totally wrong, these days the spec compliance of an oil is often more important than the viscosity. Don't put any 5w30 in, put the correct 5w30 in.