Engine oil viscosity, table and SAE oil characteristics


Few experienced owners of their own plot of land can do without a lawn mower. You may not even have a lawn that needs regular care, but still use a lawn mower. This equipment, like any other, requires periodic maintenance, for example, changing the oil. Every lawn mower owner needs to know what liquid can be used for these purposes, how to select it correctly and pour it into the unit.

Lubricating fluid for a lawn mower must be selected carefully and preference should be given to high-quality oils. If you save on this consumable fluid, it will not perform its functions fully, the lawn mower will fail in a short time and will require expensive repairs. The oil used for a lawn mower performs a very important task! Therefore, today we will talk about the best oil for lawn mowers, analyze all the pros and cons and make the top 10 best oil brands for 2022.

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LIQUI MOLY Rasenmaher-Oil 30


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Seasonal mineral motor oil for lawn mowers with a 4-stroke engine LIQUI MOLY Rasenmaher-Oil 30 3991 is a universal product - suitable for both gasoline and diesel engines of four-stroke garden and power equipment with both air and water cooling systems. The product is recommended for use at temperatures above zero. The use of this oil guarantees high stability and durability of the units.

LIQUI MOLY Rasenmaher-Oil 30

Advantages:

  • practical expense
  • low price
  • good manufacturer

Flaws:

  • not detected

Kinematic and dynamic oil viscosity

Exactly the indicators that I spoke about at the beginning of the article. The established SAE viscosity depends on them, the very numbers that the manufacturer indicates on the canister.

Kinematic viscosity shows the fluidity of the oil at a temperature of 40 degrees and 100. It is measured by a capillary viscometer - the flow time of the liquid at a certain temperature is determined. Denoted by mm2/s.

Dynamic viscosity is also measured experimentally. It shows the resistance force of the oil fluid that occurs during the movement of two layers of oil, spaced 1 cm apart and moving at a speed of 1 cm/s. This value is measured in Pascal seconds. As can be seen from the table above, the temperature for determining dynamic viscosity is different for different oil viscosities.

What does dynamic and kinematic viscosity mean?

Kinematic viscosity is two indicators within which an oil must be in order to belong to one or another SAE category. Dynamic viscosity shows at what temperature the oil will ensure safe engine starting. The lower the actual value from the accepted upper barrier, the lower the temperature at which it is possible to safely start the engine with the specified oil.

For example, 10W oil at -25 degrees should have a dynamic viscosity of no more than 7000. That is, if the actual oil indicator is almost equal to 7000, it is no longer recommended to start the engine at -25, it is better to do it no lower than -20. But if there is an oil with a dynamic viscosity of 6500, then it is already applicable at -25, 6000 - below -25, and so on.

LIQUI MOLY 2-Takt-Motoroil


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Semi-synthetic motor oil for 2-stroke lawn mowers 1l LIQUI MOLY 2-Takt-Motoroil 3958 consists of high-quality synthetic and mineral components in combination with a special additive package. Provides high reliability of engines and their protection from breakdowns and corrosion. The oil allows you to use various garden and motorcycle equipment in any season.

LIQUI MOLY 2-Takt-Motoroil

Advantages:

  • convenient to pour
  • good manufacturer
  • low price

Flaws:

  • not detected

Motor oil tolerances

Any motor or transmission oil has SAE viscosity characteristics. As a rule, it is usually enough to select an oil according to this parameter and feel free to use it in your car. But there is one more parameter with which you can choose the ideal oil for a particular engine - composition tolerances and deviations.

Compliance with admission conditions?

In a nutshell, tolerances are certain standards for motor oils and their characteristics that are set by the automaker. This quality standard meets all the necessary parameters for the use of oil in a particular engine. With each new engine model, the automaker may increase oil requirements. And he states that only using recommended oils, in which all requirements are met, that is, approved for use, guarantees long-term engine operation. Each automaker publishes lists of lubricants approved for use.

Tolerances are assigned as follows: A certain automobile company (for example, BMW), upon request from an oil manufacturer, organizes fluid tests. The test results determine whether the oil meets the requirements. In a positive decision, issues a corresponding certificate. And only now the manufacturer of the oil with the received certificate indicates on the label the approvals from the BMW manufacturer. Thus, the packaging of almost all oils contains information about the approvals of various manufacturers. Learn more about popular lubricant manufacturers.

It is worth noting that not every automaker develops its own requirements for oil. This trend is only among corporations with the most advanced technologies in engine development:

  • VAG
  • Mercedes-Benz
  • BMW
  • Opel (General Motors)
  • Ford
  • Porsche
  • Renault
  • Fiat Group

Approvals for a specific car's engine can be found on the car manufacturer's website or in the service book.

Motul Garden 4T SAE 30


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SAE 30 Motul Garden 4T oil is specially developed for small, four-stroke and diesel engines. It has high antioxidant, anti-wear, non-foaming and anti-corrosion properties. Oil for 4-stroke engines is suitable for use in both summer and winter.

Motul Garden 4T SAE 30

Advantages:

  • does not foam
  • good price
  • practical expense

Flaws:

  • not detected

Hammerflex 501-018 SAE 5W-30


​Photo: https://beru.ru

Winter semi-synthetic motor oil, intended for use in four-stroke gasoline engines of snow blowers, generators, walk-behind tractors, mini-tractors and other garden and construction equipment, and even lawn mowers. 4-stroke lawn mower oil provides ideal lubrication during cold starts, excellent protection against deposits and corrosion, prevents premature wear of the piston group, keeps the engine clean and extends its life.

Hammerflex 501-018 SAE 5W-30

Advantages:

  • Convenient canister with pouring spout
  • low consumption
  • good price

Flaws:

  • not detected

How to choose oil according to SAE specification

Typically, a lubricant for a power unit is chosen based on how worn it is.

  1. If the car has worked no more than one-fourth of its lifespan, that is, it is considered almost new, the use of universal motor oils 5w30/10w
  2. If the car has used more than half of its own resource, it is optimal to use 10w40, 15w40 , and 5w30 in the winter, 10w 5w40 can be used year-round.
  3. In cars that have almost spent their time, 15w40 and 20w40 5w40 and 10w40 in cold weather 5w in any season

Currently, there are many counterfeits of popular oils. The markings on canisters with fake lubricant do not correspond to real indicators. Because of this, such oils can cause engine failure. You should carefully consider the choice of oil liquid; purchase it only in trusted stores.

Gazpromneft Moto 4 T 30


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Gazpromneft Moto 4T 30 is a summer motor oil for 4-stroke engines and diesel engines of garden equipment - lawn mowers, cultivators, generators, motor pumps, etc. Thanks to the use of a deep cleaning base and a balanced additive package, the oil has high oxidation stability, a reserve of anti-wear properties and effectively protects the engine from deposits at high operating temperatures.

Gazpromneft Moto 4 T 30

Advantages:

  • good price
  • low consumption

Flaws:

  • not detected

Compatibility: is it possible to add and mix 5W30 and 5W40?

In some emergency cases, it is urgent to add engine fluid to the engine. But it is not always possible to add exactly the lubricant that was poured initially. The same applies to the viscosity index.

Is it possible to mix 5W30 and 5W40 motor oils? You cannot mix synthetics and mineral water, or semi-synthetics with other types. Oils with different viscosity indices can be mixed provided that these lubricants are from the same manufacturer and have the same base. If the additives are different, unpredictable reactions may occur after mixing motor fluids with different viscosities.

Even if there are no visible consequences after mixing different motor fluids, you need to drain this mixture as soon as possible and replace the oil filter. Sometimes it may be necessary to flush the internal combustion engine before changing the engine fluid.

mix 5W30 and 5W40 oil, but for a short period of time (according to some experts, no more than 3 thousand km), with the same additives and from the same manufacturer. Also, original European oils that meet ACEA, SAE and API standards are always compatible (even when mixing synthetics with mineral).

Sources

  • https://avto-moto-shtuchki.ru/avtotekhnika/52-markirovka-motornogo-masla-rasshifrovka.html
  • https://oilspec.ru/vybor-masla/vyazkosti-masla-tablitsa
  • https://unit-car.com/termini-i-sokrasheniya/191-vyazkost-masla-sae.html
  • https://pomaslam.ru/harakteristiki/indeks-vyazkosti-masla.html
  • https://maslo.expert/vyazkost/vjazkostnye-pokazateli-sae.html
  • https://pomaslam.ru/motornye/maslo-5w30.html
  • https://maslo.expert/vyazkost/5w30-harakteristiki.html
  • https://maslo.expert/vyazkost/motornoe-maslo-5w-40-harakteristiki-rasshifrovka-vyazkost-temperaturnyj-rezhim.html
  • https://AvtoNov.com/%D0%BC%D0%BE%D1%82%D0%BE%D1%80%D0%BD%D0%BE%D0%B5-%D0%BC%D0%B0% D1%81%D0%BB%D0%BE-5w30-%D0%B8-5w40-%D0%B2-%D1%87%D0%B5%D0%BC-%D1%80%D0%B0%D0% B7%D0%BD%D0%B8%D1%86%D0%B0/
  • https://motorist.guru/sovety/motornoe-maslo-5w30-i-5w40-v-chem-raznicza.html

Hammerflex 501-001

​Photo: https://beru.ru

High-quality mineral motor oil for air-cooled two-stroke engines designed for comprehensive engine protection under high loads. The oil mixes well with any type of gasoline, giving the fuel mixture a red tint. Ideal for use in garden equipment with two-stroke air-cooled engines: trimmers, brush cutters, lawn mowers, vacuum cleaners, motor drills, chainsaws. Provides ideal lubrication of engine elements, protection against the formation of sludge and deposits, rust and corrosion.

Hammerflex 501-001

Advantages:

  • good price
  • low consumption
  • convenient to pour

Flaws:

  • not detected

Daewoo Power Products 4 Stroke Engine Oil SAE 30 SJ/CF

​Photo: https://beru.ru

Mineral oil for four-stroke engines Daewoo Power Products 4 Stroke Engine Oil SAE 30 SJ/CF does an excellent job and deserves a place in our review! For a volume of 0.6 liters, the price of oil is extremely low, which is good news, because in terms of price/quality ratio it is no worse than others. 4-stroke mower oil is suitable for both garden and motorcycle equipment.

Daewoo Power Products 4 Stroke Engine Oil SAE 30 SJ/CF

Advantages:

  • low price
  • convenient to pour

Flaws:

  • high consumption
  • acrid smell

PATRIOT Power Active 2T

​Photo: https://beru.ru

POWER ACTIVE 2T PATRIOT mineral oil is used in two-stroke engines with a displacement of up to 200 cm3 of garden equipment, such as chainsaws, trimmers, gas shears, blowers, lawn mowers, motor pumps, etc. The oil is pre-mixed completely with fuel and provides excellent lubrication under high loads. Oil for 2-stroke lawn mowers forms a reliable protective film on rubbing surfaces. Well prevents corrosion, wear and deposits on the piston. Helps keep the engine clean and reduces smoke. Significantly extends engine life. Does not contain mechanical impurities and water. A convenient dispenser allows you to measure the exact amount of oil and simplifies its pouring.

PATRIOT Power Active 2T

Advantages:

  • dispenser
  • low price

Flaws:

  • not detected

Which viscosity is most suitable for the engine

As a rule, most car enthusiasts believe that high viscosity at high temperatures is the best indicator. It especially warms everyone’s soul that such oils are used for sports cars. Alas, these indicators will not be able to turn an old loaf into a racing car, but the engine can be ruined by such a composition in a matter of days.

Experts recommend that you never fill the engine with oil whose viscosity does not meet the car manufacturer’s recommendations. The fact is that only the manufacturer is able to take into account the driving mode of a particular car and calculate the required oil viscosity.

And in order to finally convince drivers not to use “inappropriate” oil, an official experiment was carried out in 2008, the results of which later appeared on the pages of the famous magazine “Behind the Wheel”. One of the off-road racing participants poured high-temperature oil with a viscosity of 50 units into the engine of the once popular V8. As a result, the vehicle's performance dropped and engine wear increased significantly.

AL-KO Zweitaktmotorenol


​Photo: https://beru.ru

Semi-synthetic oil for two-stroke engines - AL-KO Zweitaktmotorenol. Made in Germany, which immediately indicates good quality production. The 1L packaging volume does not have the most expensive price on the sales market. Which also can’t help but make you happy when purchasing. Honda lawn mower oil is definitely a worthy candidate in our category.

AL-KO Zweitaktmotorenol

Advantages:

  • nice price
  • good manufacturer

Flaws:

  • not detected

Husqvarna WP 4T SAE 30


​Photo: https://beru.ru

And our review of the best oils for Husqvarna four-stroke engines concludes. High-quality mineral motor oil for 4-stroke gasoline engines. Viscosity class - 30. Provides lubrication of all parts, the oil significantly increases engine life. Motor oil for four-stroke engines has high anti-corrosion properties; a specially developed additive package prevents the destruction of rubbing surfaces. The oil is intended for use in summer. Can be used for construction equipment and garden equipment.

Husqvarna WP 4T SAE 30

Advantages:

  • nice price
  • good manufacturer
  • low consumption

Flaws:

  • not detected

And with this we bring our section to a conclusion. Today we found out which oil would be more practical to choose for gardening equipment, including lawn mowers. We looked at the pros and cons of this segment, and also compared brands by price/quality category. And we hope we helped you choose what’s right for you!

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