Craftsman Lawn Mower Oil Type

Craftsman Lawn Mower Oil Type Image

Picking the right oil for your Craftsman lawn mower is a crucial decision that directly impacts its performance and longevity. 

With various oil types available, you must equip yourself with their differences and know which suits your mower’s needs.

This knowledge empowers you to ensure optimal engine function, prevent wear and tear, and maintain efficiency. 

In this blog, I’ll delve into the specifics of Craftsman lawn mower oil types, exploring factors like viscosity, engine requirements, climate considerations, and manufacturer recommendations. 

Let’s dive in and ensure your lawn mower’s heart receives the care it deserves. 

What Kind of Oil Does a Craftsman Lawn Mower Take?

A Craftsman lawn mower requires SAE 30-weight oil, providing the essential lubrication and protection for its small engine. This choice ensures smoother operation and prolonged engine life. Most importantly, factor in the mower’s specifications and the local climate when selecting the oil, optimizing overall performance and efficiency.

Understanding Craftsman Lawn Mower: Is it  2-Cycle Or 4-Cycle?

Craftsman lawn mowers are predominantly 4-cycle engines, also known as 4-stroke engines. These engines operate with four distinct phases: intake, compression, power, and exhaust. This design is more common in modern mowers due to its efficiency and reduced emissions. 

4-cycle engines are favored for their longevity, fuel efficiency, and quieter operation, aligning with modern lawn care needs.

Three Types of Engines Craftsman Use

Briggs and Stratton engine

Craftsman mowers often feature Briggs and Stratton engines, renowned for reliability and performance. These engines offer power, fuel efficiency, and easy maintenance.

Their advanced engineering ensures smooth starts, reduced emissions, and consistent operation. 

Briggs and Stratton engines are suitable for various lawn sizes and terrains, making them popular among users seeking dependable performance.

Kohler engine

Kohler engines, another staple in Craftsman mowers, are known for their durability and innovation. Equipped with features like Smart-Choke technology and easy-start systems, Kohler engines offer hassle-free operation. 

If you encounter any issues, Kohler engine troubleshooting guides are readily available to assist you in diagnosing and resolving problems effectively.

They deliver efficient power output and require minimal maintenance. With a reputation for robustness, Kohler engines are well-suited for demanding mowing conditions, providing consistent performance over time.

OVH engine

Craftsman mowers also incorporate Overhead Valve (OHV) engines, recognized for their efficiency and improved power delivery. OHV engines have a design that enhances combustion and fuel economy while reducing emissions. 

They provide better torque and are quieter than older engine designs. The OHV technology ensures smoother mowing experiences and often extends the engine’s lifespan.

Different Types of Oil for Craftsman Lawn Mowers

Conventional oil

Conventional oil, derived from crude oil, is a standard choice for Craftsman lawn mowers. It provides reliable lubrication and protection for engine components. 

While economical, it requires more frequent oil changes due to its tendency to break down under extreme conditions. 

Conventional oil is suitable for regular lawn care but may not offer synthetic oils’ longevity and performance benefits.

Synthetic oil

Synthetic lawn mower oil is engineered for superior performance and extended engine life. Its molecular structure offers consistent lubrication across a wider temperature range, enhancing engine protection during both cold starts and high-temperature operations. 

Synthetic oils resist oxidation and maintain their viscosity longer, reducing the need for frequent oil changes. 

They are excellent for demanding mowing conditions and can optimize Craftsman mower performance.

Recommended Craftsman Lawn Mower Oil Type

Briggs and Stratton Engine Oil 

For Briggs and Stratton engines, several options are suitable. SAE 30 is a reliable choice, offering consistent lubrication across operating temperatures. 

SAE 10W-30 works well for varying conditions, while Synthetic SAE 5W-30 Motor Oil ensures excellent cold-start protection. SAE 5W-30 synthetic oil is also suitable, maintaining viscosity and performance in diverse conditions.

Kohler Lawn Mower Engine Oil

Kohler engines benefit from SAE 5W-30 and SAE 10W-30 options. SAE 5W-30 provides optimal cold-start protection and stable lubrication in different temperatures. 

SAE 10W-30 is versatile, working effectively in various mowing conditions, ensuring consistent engine performance.

Honda Lawn Mower Engine Oil

SAE 10W-30 Oil is recommended for Honda engines, ensuring reliable lubrication in different climates. SAE 30 is another suitable option, providing adequate protection during warmer weather. Both choices help maintain Honda mower engines for smooth operation and extended life.

How to Decide the Best Oil Type for Your Situation

Consider the following points to make an informed decision when choosing lawn mower oil: 

Engine Manufacturer Recommendations

Start by checking the manufacturer’s guidelines in your mower’s manual. They often specify suitable oil viscosities and types that align with the engine’s design and performance requirements.

Climate Conditions

Climate plays a crucial role. Opt for oils with lower viscosity, like SAE 5W-30, for improved cold-start protection in colder regions. In warmer areas, SAE 10W-30 or SAE 30 can provide reliable lubrication.

Frequency of Use

For frequent mowing, synthetic oils like SAE 5W-30 or SAE 10W-30 can offer prolonged protection due to their resistance to breakdown under heavy use.

Terrain and Mowing Conditions

Synthetic oils can maintain stable lubrication if your lawn features slopes or challenging terrain. For large properties, SAE 30 might suit the sustained operation.

Maintenance Preferences

Conventional engine oil might require more frequent changes, while synthetic oils generally last longer. Consider your willingness to adhere to proper engine maintenance schedules.

Longevity and Performance Goals

Synthetic oils can provide better engine protection and longer life, making them ideal for those seeking optimal performance and extended equipment durability.

Budget Considerations

Conventional oils are usually more economical, while synthetic oils come at a higher initial cost but offer long-term benefits in reduced lawn mower maintenance frequency and potential engine longevity.

Why You Need the Right Craftsman Lawn Mower Motor Oil

Engine performance optimization

Selecting the appropriate oil significantly minimizes friction within the engine, thereby maximizing power output and ensuring consistently smooth operation. 

This results in an overall performance boost, empowering your Craftsman mower to navigate various lawn conditions with enhanced precision, dependability, and efficiency.

Efficient lubrication

Proper oil application forms a protective barrier between moving parts, reducing friction and wear. 

This efficient lubrication is essential for sustaining top performance and extending the operational life of your mower, ensuring that your Craftsman lawn mower operates smoothly with minimal oil consumption and reliably for years of efficient lawn care.

Prevents wear and tear

High-quality oil significantly reduces component wear, preserving critical engine elements such as pistons, valves, and bearings.

This safeguarding ultimately leads to a longer-lasting and more durable mower, minimizing maintenance needs and ensuring that your Craftsman lawn mower remains in peak condition over time. 

Such a proactive approach to maintenance will save you time and effort, enhancing the reliability and effectiveness of your lawn care equipment.

Extends engine life

Quality oil minimizes wear, sustains cleanliness, and offers essential lubrication, contributing to a prolonged lifespan for your Craftsman mower’s engine.

The engine operates efficiently by ensuring that internal components work smoothly and encounter less friction, reducing strain and potential breakdowns. 

Consequently, you enjoy prolonged use of your mower without the burden of frequent repairs and associated expenses.

Fuel efficiency

The right oil choice reduces energy losses caused by friction, resulting in improved fuel efficiency. With less energy wasted as heat, your mower can cover more ground on less fuel, making your lawn care efforts more economical and eco-friendly.

Emission control

Using the proper oil contributes to cleaner combustion, leading to lower emissions. By minimizing the release of pollutants into the environment, you’re actively participating in responsible lawn care practices and contributing to a healthier ecosystem.

Consistent power delivery

The right oil maintains consistent viscosity across varying temperatures. As such, your mower has a steady power supply to the engine, resulting in reliable and consistent mowing performance, regardless of the weather conditions.

This consistent power delivery guarantees a smooth and efficient mowing experience.

Craftsman Lawn Mower Oil Capacity

The oil capacity varies depending on the specific model and engine size, and it’s vital to follow the manufacturer’s recommendations. 

Smaller push mowers typically have oil capacities ranging from 15 to 20 ounces (0.44 to 0.59 litres). 

On the other hand, larger self-propelled or riding mowers may hold around 48 to 64 ounces (1.42 to 1.89 litres). 

However, these figures are average estimates, so I advise you to consult your machine manual to find the correct capacity.  This will help you to avoid overfilling or underfilling.

Checking the Oil Level of Mower

Checking the Oil Level of Mower pic
  • Park on a Level Surface: Place your mower on a flat surface to get an accurate reading.
  • Turn Off the Engine: Ensure the engine is completely turned off before proceeding.
  • Locate the Oil Dipstick: The dipstick is usually near the engine and has a bright handle for easy identification.
  • Remove and Wipe Dipstick: Pull the dipstick, wipe it clean with a cloth, and reinsert it.
  • Check Oil Level: Remove the dipstick again and observe the oil level. It should fall between the “low” and “full” marks on the dipstick.
  • Add Oil if Necessary: If the oil level is low, gradually add the recommended oil type and check the level frequently to avoid overfilling.
  • Reinsert Dipstick: Once the oil level is correct, reinsert the dipstick securely.
  • Dispose of Old Oil Properly: If needed, drain and dispose of old oil responsibly, following local regulations.

Changing Oil in Craftsman Lawn Mower

What you need

  • New oil (as per manufacturer’s recommendations)
  • Oil drain pan
  • Socket wrench or pliers
  • Funnel
  • Clean cloth or paper towels
  • Oil filter (if applicable)
  • Oil filter wrench (if applicable)

Step-by-step procedure to change oil


Begin by parking your mower on a level surface and allowing the engine to cool down. This ensures safety and accurate oil measurement. Ensure you have all the necessary tools and materials before you start.

Draining the Old Oil

Locate the oil drain plug positioned under the mower’s engine. Place the oil drain pan beneath the plug to catch the old oil. Use a socket wrench or pliers to remove the drain plug carefully. Allow the old oil to drain completely into the pan. Ensure the oil flows freely without any obstructions.

Removing the Oil Filter and Install a new one (if applicable):

If your Craftsman mower is equipped with an oil filter, utilize an oil filter wrench to remove it. This step allows any remaining oil to drain from the filter and engine. 

Before installing the new oil filter, apply a thin coat of new oil onto the rubber gasket to ensure a proper seal. Hand-tighten the new oil filter in place. Overtightening can cause leaks or difficulty in removal during the next oil change. 

Adding New Oil

Consult your mower’s manual to determine the recommended oil type and capacity. Place a funnel into the oil fill opening and slowly pour in the new oil. Be cautious not to overfill. Pour the oil in small increments, periodically checking the oil level using the dipstick.

Checking Oil Level

After adding the new oil, insert the dipstick fully into the oil fill opening. Remove it to check the oil level. Ensure the oil level falls within the recommended range marked on the dipstick. Adjust the oil level as needed by adding more oil or draining excess.

Securing the Oil Drain Plug

Reinstall the oil drain plug and use the socket wrench or pliers to tighten it securely. This step prevents oil leaks and ensures the proper functioning of the engine.


Wipe off any spilt oil from the mower’s exterior and surrounding area. Properly dispose of the old oil by taking it to a recycling centre or a designated oil disposal location. This responsible approach ensures environmental protection.

How often to change the engine oil

Changing engine oil approximately every 25 operating hours is essential for push mowers. This maintains proper lubrication, preventing wear and ensuring optimal performance. 

Walk-behind lawnmowers should have oil changes every 50 operating hours, sustaining engine health and longevity. 

Riding lawnmowers for larger areas requires oil changes every 100 operating hours to ensure consistent and reliable performance.

What happens if you don’t change your engine oil? You might have problems like the craftsman mower not starting. Regular maintenance is key to keeping your mower running smoothly.

Additional Craftsman Maintenance Tips

  • Regularly clean the mower deck to prevent grass buildup.
  • Keep the air filter clean or replace it as needed.
  • Sharpen the mower blades for a clean and even cut.
  • Inspect and tighten bolts and fasteners.
  • Check tire pressure and ensure proper inflation.
  • Clean and maintain the spark plug for optimal ignition.
  • Lubricate moving parts, such as the wheels and throttle.
  • Store the mower in a dry, covered area when not in use.
  • Use a fuel stabilizer to prevent fuel deterioration during storage.


What Kind of Oil Does Craftsman Lawn Mower Use?

Craftsman lawn mowers require a high-quality, SAE 30-weight oil for optimal performance. This viscosity is ideal for the operating temperature range of most small lawn mower engines found in lawnmowers. It provides adequate lubrication and protection for the engine components, ensuring smooth operation and longevity. 

How Much Oil Is In a 4.5 Craftsman Lawnmower?

A 4.5-horsepower Craftsman lawnmower typically holds around 20 ounces (0.6 litres) of oil when the reservoir is empty. Maintain the oil level within the recommended range to ensure proper lubrication and prevent engine damage. I suggest you review the manufacturer’s manual for precise oil capacity information and guidelines. 

Is 10W-30 Oil Suitable for Craftsman Lawn Mowers?

Yes, 10W-30 oil can be suitable for certain Craftsman lawn mowers, especially those that operate in varying temperature conditions. This multi-viscosity oil offers better cold-start protection (10W) and maintains stable lubrication at higher temperatures (30). 

Also read: Poulan Pro lawn mower oil

Where Is The Oil Filter On A Craftsman Mower?

The location of the oil filter on a Craftsman mower varies based on the model and engine type. In many cases, the oil filter is positioned near the engine’s base, often accessible from the side. It might also be covered by a small cap that needs to be removed to access the filter. 

Wrap-Up: Elevate Your Mower’s Potential with Informed Choices

As we conclude this journey into Craftsman lawn mower oil types, you’re armed with a vital understanding: the right oil can make all the difference. 

You’re maintaining equipment and nurturing performance by choosing wisely based on viscosity, engine needs, and environmental factors. Your mower, an essential tool for a well-kept lawn, deserves the care you’ve gained insight into. 

So, as you venture forth, let this knowledge empower your decisions, ensuring a thriving mower and a beautifully manicured lawn. 

Here’s a more efficient and satisfying lawn care experience.