How Much Oil Does a lawn mower take? Lawnmowers Oil Types

Lawnmowers are expensive devices, and no one looks forward to replacing them. Therefore, you should keep your engine oil at the right level to increase the engine life. If the oil is not at the right level, it can cause severe problems in your engine. But how much oil does a lawn mower take? Here we have described it in detail about it. However, keeping the lawnmower properly topped up is essential to engine maintenance. And we’ll help you understand how to keep the oil at the correct level and why.

How Much Oil Does a lawn mower take

How Much Oil Does a Lawnmower Take?

The exact figure for how much oil your lawnmower engine requires can only come from the manufacturer. You can also search the internet for an accurate diagram with your engine’s make and model number.

Below is a general guideline of how much oil your lawn mower engine needs. There are two main types of lawnmowers, and their engine oil capacities differ. The two types of lawnmowers are walk-behind types and riding types.

For walk-behind mowers, the oil capacity is typically 15oz to 18oz. Some types require 20 oz to 24oz. Oil should be changed every 50 hours of operation or annually, whichever comes first. Oil capacity for riding mowers is usually 48oz to 64oz. Engine Oil should be changed every 100 hours of operation or annually.

Riding lawnmowers contains higher oil capacity than walk-behind lawnmowers. Typically, riding lawnmowers’ oil capacity is between 48 and 64 oz. Note that oil capacity is usually specified in the engine owner’s manual.

Lawn Mower Oil Type

The oil type depends on your engine’s requirements and your mower’s operating temperature. Please refer to the engine’s owner’s manual for information on oil grades. SAE specifies engine oil grades, and a number indicates the oil’s viscosity. For example, SAE 30 is the most common oil grade for small engines like lawnmower engines.

Modern engines use multi-grade oil like 10W30, and older engines use SAE30 lawnmower oil. For your four-stroke engine, using multi-grade oil in cold temperatures is best.

SAE 30 Oil:

SAE 30 motor oil is best suited for warm temperatures. Try the top-rated Pennzoil SAE 30 motor oil.

SAE 5w30 Synthetic Oil:

Synthetic mower oil is suitable for use in warm and cold climates. Check out the top-rated Castrol Edge 5W30 Full Synthetic Motor Oil.

SAE 10w30 Synthetic Oil:

10w30 Synthetic oil is best for cold temperatures. Try the top-rated Mobil 1 advanced total synthetic 10W30 Motor Oil.

Read About: 0w30 VS 5w30 VS 10w30- Which is better

SAE 15w50 Synthetic Oil:

These synthetic oils are commonly suitable for high-end and commercial engines. Try the top-rated Mobil 1 Advanced Full Synthetic 15W50 Motor Oil.

When to Change the Lawn Mower Oil?

It’s optional to check your lawn mower oil level regularly. But you need to change your lawn mower oil periodically. Over time, your lawnmower’s engine oil becomes contaminated or diluted by debris. In any of these cases, the oil loses its ability to cool and lubricate.

As with oil capacity, the time after which to change the oil depends on the lawn mower type. You must change your oil every 50 hours or annually for walk-bike lawnmowers. For riding lawnmowers, changing your oil every 100 hours of operation or annually is best. You can also get into the habit of changing the oil as part of your lawnmower’s annual spring service.

4 Stroke Lawn Mower Oil

Here are some recommended brands of standard oil SAE 30 for 4-stroke lawnmowers:

Royal Purple SAE30 4-stroke lawn mower oil:

The Royal Purple brand SAE 30 for 4-stroke engine oil is best for 4-stroke lawn mower engines. This gives your lawn mower better protection against breakdown and improved fuel efficiency. Moreover, it contains antioxidants that prevent the oil from degrading at high temperatures.

STP Brand SAE 30 motor oil:

STP brand 10W30 is a premium oil for small engines. Hence, it’s specially designed for push mower and tractor use. Since it’s an all-weather synthetic oil, you can use it for cold and warm climates.

Not only during operation but also during storage between glass seasons. Your machine is protected from corrosion by keeping engine elements clean. This brand is packaged in 32 fluid-ounce cans.

Briggs and Stratton STP 4-cycle Oil:

SAE 5w30 Briggs and Stratton is a fully synthetic oil suitable for frigid temperatures. Your mower can work smoothly on wet grass and tolerate slippery and rough terrain. Although fairly costly, this brand has garnered outstanding user product reviews.

FAQ (Frequently Asked Questions):

Q. How Much Oil Does A Lawn Mower Take In Liters?

Oil capacity for walk-behind lawnmowers is 15 ounces, and for riding mowers, it’s 48 ounces. This is equal to 1.5 liters and .5 liters, respectively.

You can use synthetic and conventional oils in your system. The quality and type of oil depend entirely on your environment. In other words, it depends on the temperature.

Read About: Mineral Engine Oil Vs. Synthetic

Q. How much oil does a Briggs and Stratton lawn mower take?

Briggs and Stratton’s lawnmowers typically hold about 1.4 liters. But oil capacity varies from engine to engine. Furthermore, it depends on the type of lawnmower that you are using. Walk-behind mowers use less oil than riding mowers.

Q. How much oil does a riding lawn mower take?

It is essential to understand how much oil your lawnmower engine needs to maintain its performance. That’s Why check the manufacturer’s manual before adding oil to ensure you use the correct oil and amount.

Generally, a lawnmower engine needs 400-600 ml of oil, while a riding-on mower engine requires 1-2 liters.

Final Word:

How much oil does a lawn mower take? We hope you get its answer correctly from here. It’s because here we have described this topic in detail. Nevertheless, you know keeping your oil at the proper level and changing the oil periodically is essential.

You can handle the exact volume for the proper oil level. Instead, keep the oil level between the minimum and maximum levels but close to the top. Oil changes should be done after 50 hours of operation for walk-behind mowers. On the other hand, 100 hours of operation for riding mowers or annually, whichever comes first.


I am Engr. Z Eusuf Lubricant Specialist, Mechanical Engineer & has been working with engine lubricants for a long time and knows what makes them work best. I can help you find the right oil for your needs, and I have tips on how to keep your engine running at its best.