bison logo

Power Generator Oil: How to choose the right lubricant?

choice of generator oil and lubricating oil depends on the fuel used. According to this standard, the generator can be gasoline, diesel, natural gas, propane.

Table of Contents

Power Generator Oil is nothing new under the sun. In fact, it has been around for eons. The oil that powers the generators that supply electricity to homes, businesses, and factories was originally refined from the oils of ancient civilizations. As the world became industrialized, the world’s energy requirements skyrocketed.

In response, oil companies developed the oil that is used in many of today’s generators. Chemists and engine developed the technologies to create synthetically produced gasoline. Today, almost every fuel burned in power plants around the world is synthetically produced, from diesel fuel to jet fuel.

fuel the generator 1

How to pick the accurate oil for generators

Users typically do not pay close attention to what they put into their generator’s oil reservoir. If you are one of them, it is time to make a change.

Not all power generator oils are created equal. A multitude of factors influence their choosing, including generator type, operating conditions, and fuel type. There are many types of power generator fuel in which you can select the best one for your generator. Before selecting one you need to do the research about different types of oil available in the market.

Types of Power Generator Oil

The fuel source determines the type of power generator oil and lubricant used. Based on this criterion, power generators are classified as gasoline, diesel, and natural gas, propane, or hydrogen generators.

Gasoline Generators

Gasoline is the most common fuel type for a wide range of generators, particularly inverter and portable types. Gas generators are usually low-cost and easy to use. As a result, they are an ideal alternative for first-time users and those on a limited budget. They are far quieter than diesel generators, making them appropriate for less stressful work environments.

Diesel Generator

Diesel generators are more efficient and cheaper than gasoline generators since they are less volatile. Diesel can power portable small diesel generators, residential home backup generators, commercial backup generators, light towers, commercial mobile generators, and trailered mobile generators.

6kw home gasoline engine generator
7500-watt big power generator for home-2
13.5kw 2-cylinder power generator petrol
16kw two-cylinder three-phase electric generator-2

Natural Gas Generators

The most popular fuel type for a broad range of generators, particularly inverter and portable models, is natural gas. Natural Gas generators are often inexpensive and simple to operate. As a result, they’re an excellent choice for first-time users and those on a tight budget. They are far quieter than diesel generators, making them suitable for less demanding work settings.

Propane Energy Generators

Propane, often known as liquefied petroleum gas, is a fuel that burns cleanly and has an endless shelf life. It has a higher energy density than natural gas but a lower density than diesel or gasoline. Depending on your needs, you can store propane in tanks ranging in capacity from 20 pounds to hundreds of litres.

Hydrogen Generators

Hydrogen generators are still in their infancy, making them scarce. They are powered by hydrogen gas and have internal fuel cells to increase system efficiency. They are perfect for businesses that require continuous electricity, such as hospitals. They are also useful in rural areas and at home.

What factors need to be considered?

How do you select the best oils and lubricants for your generator? Knowing the type of generator you have, whether commercial, industrial, or household, is only half the battle. The second half is selecting the appropriate oils and lubricants. There are numerous aspects to consider, and here are a few of them.

lubricate the generator

Viscosity Of Oil

When selecting generator oil, the most important factor to consider is viscosity. It denotes the oil’s resistance to flow and shear. Many factors influence oil viscosity, including water contamination, particle pollution, and the overall form and age of the engine.

Think About The Temperature

As previously stated, generator temperature has an effect on oil viscosity. For example, if you intend to run the generator in extremely low temperatures below freezing, you will require oil types that can withstand the conditions. In that scenario, generator oil with a lower initial number, such as 5W-30, is required. It enhances your generator’s performance at temperatures as low as -28°C.

Read The Manual

Before you simply Google “best oil for generator,” consult your generator’s user manual. Any specs or critical information should be included here. Things like the needed engine oil are frequently included in the manual, so consult it as you narrow down your options.

Be Aware Of The generator Type

You should also know whether your generator’s engine is 2-stroke or 4-stroke. While the latter is common, each engine requires a particular type of oil.

If the owner chooses, 2-stroke engines can combine fuel and engine oil, whereas 4-stroke engines use them separately.

Buy From A Trusted Company

Always utilize power generator oils manufactured by reputed companies. Select engine oil with high-quality certification and performance. When it comes to generator oil, BISON is a trustworthy partner. With over 150 years of established quality, BISON supplies superior commercial and industrial solutions.

They leverage ongoing innovation and expertise to improve security, boost production, and reduce total operating costs. With BISON power generation systems, you may maximize power output, improve operational dependability, and lower maintenance costs.

generator oil change

Tips For Generator Oil Change And Maintenance

  1. Maintaining the oil in your generator is one of the most straightforward ways to ensure that it works reliably when you need it. From installation to regular oil changes, follow these tips to keep your generator’s engine greased and running properly.
  2. After installation, check the oil level in your generator. Your generator may have arrived with no oil. You will need to add it if your installer does not contain it.
  3. When it comes to oil kind, always stick to the manufacturer’s recommendations. Depending on the engine and fuel type, different oils are required for different generators.
  4. Consider the temperature at which your generator will be operating. This indicates that oil has a lower viscosity when it is cold and a higher viscosity when it is heated. Perkins advises using “the greatest oil viscosity available to suit the requirement for the temperature at start-up.”
  5. Your initial generator oil change will be completed sooner than subsequent oil changes. Consult your owner’s manual to find the exact number of hours between oil changes. It might happen as soon as eight hours into your break-in.
  6. Change the oil in your generator on a regular basis, according to the instructions in your owner’s manual. For smaller gas generators, this may be every 50 hours. Large diesel generators might only need oil changes every 500 hours.fuel the generator
  7. Replace your oil filter when you change the oil in your generator, if applicable. If necessary, top out the oil reservoir when refuelling.
  8. Keep additional oil and filters on hand so you can replace the oil on a regular basis during power shortages.
  9. After a power outage that necessitates your generator to run for an extended amount of time, check your oil levels and replenish it if necessary. You’ll be ready the next time your generator is needed.
  10. To protect the engine, many generators shut down automatically when the oil level lowers. If your generator is not working properly, check the oil reservoir and top off or change the oil before proceeding with further diagnostics.
  11. Clean up any dirt and debris before checking oil levels or performing an oil change.

Power Generator Oil FAQ

Yes, oil is required to effectively lubricate engine parts in generators. Oil decreases friction and aids in the smooth operation of the generator.

The important factors are Power generator oil type; Power generator oil types using the best oil for power generators, Power generator oil recommendations, Power generator oil change interval, Power generator oil capacity, Synthetic oil for power generators, Diesel power generator oil type, Gasoline power generator oil type, Natural gas power generator oil type, Power generator engine oil, Power generator oil filter, Power generator oil change frequency, Power generator oil type chart, and Power generator oil type recommendation.

To begin, boil the old oil to make it easier to drain. Then, using blocks, raise the generator and carefully unhook the spark wire. Remove the old oil filter and the oil stopper. Replace the oil and tighten the plug. You should be alright if you reconnect the spark wire.

Your runtime will be severely reduced if you do not have enough oil. In addition, it will provide insufficient cleaning and cooling, leading to engine overheating.

Ideally, the oil should be changed after the first 20 to 30 hours of operation, and then every 100 hours after that. Synthetic oils should be replenished after 200 hours.

contact us

Please complete our contact form and we will soon get back to you with expert advice.


Get in touch to speak with our experts!

how to generator load bank testing

How to generator load bank testing?

How to generator load bank testing?  This test is a performance check that puts the generator under full load to verify its overall health and operation.

china-bison silent generator

How many dB is a quiet generator?

Want to know how many dB is a quiet generator? Read this blog post, you’ll only know the answer to this question but also more information on quiet generators.


How To Change Generator Spark Plug?

Replacing your spark plugs will improve your engine’s efficiency and extend its life. This article will show you how to replace a worn spark plug step by step.

enquire today

Speak with our sales manager today for additional information or an obligation-free quote.