Kohler Engine Oil Chart(A to Z Guide)

In this guide, we will discuss the Kohler engine oil chart, which outlines the recommended oil types, viscosity grades, and temperature ranges for various Kohler engine models.

Kohler Engine Oil

Kohler Engine Oil Chart

Temperature Range (°F / °C)Recommended Oil ViscosityOil Type
Below 0°F (-18°C)5W-20, 5W-30, 10W-30Synthetic or Conventional
0°F to 32°F (-18°C to 0°C)10W-30, 10W-40Synthetic or Conventional
32°F to 80°F (0°C to 27°C)SAE 30Conventional
Above 50°F (10°C)SAE 30, 15W-40, 20W-50Conventional
All Temperature Ranges5W-30, 10W-30Full Synthetic

Read Kohler 25 HP Engine Oil Type(By Manufacturer)

Why Choosing the Right Oil Matters for Kohler Engines

Choosing the correct engine oil for your Kohler engine is vital for several reasons:

  • Proper Lubrication: The right oil reduces friction between moving parts, preventing premature wear.
  • Temperature Control: It helps dissipate heat, ensuring the engine operates within safe temperature limits.
  • Extended Engine Life: Proper oil selection minimizes sludge buildup and protects against corrosion.
  • Fuel Efficiency: Well-lubricated engines consume less fuel, enhancing performance and reducing emissions.

Read Kohler 22 HP Engine Oil Capacity(Correct Capacity)

Types of Kohler Engine Oils

Kohler engines can use different types of engine oils depending on the operating conditions. Below are the most commonly recommended types:

1. SAE 30

  • Best for temperatures above 50°F (10°C)
  • Ideal for small engines like lawnmowers and pressure washers
  • Provides better high-temperature stability

2. 10W-30

  • Suitable for wide temperature ranges
  • Recommended for both cold and warm weather
  • Reduces oil consumption in some models

3. 5W-30 (Synthetic)

  • Ideal for cold weather starting
  • Provides excellent lubrication in all conditions
  • Improves fuel efficiency and engine longevity

4. 15W-40 & 20W-50

  • Used in commercial and heavy-duty applications
  • Suitable for high-temperature operations
  • Provides extra protection against wear

Read Engine Oil Thickness Chart(A to Z Guide)

How to Check and Change Kohler Engine Oil

Step 1: Gather Your Supplies

To change your Kohler engine oil, you’ll need:

  • Correct oil type (refer to the Kohler engine oil chart)
  • Oil filter (if applicable)
  • Wrench or oil filter removal tool
  • Drain pan
  • Funnel
  • Clean rag or paper towel

Step 2: Warm Up the Engine

Run the engine for a few minutes to warm up the oil. This helps it drain more efficiently.

Step 3: Drain the Old Oil

  1. Place a drain pan under the engine.
  2. Remove the oil drain plug and let the oil drain completely.
  3. If your engine has an oil filter, replace it at this stage.

Step 4: Refill with Fresh Oil

  1. Replace the drain plug.
  2. Use a funnel to add the recommended Kohler engine oil based on your temperature conditions.
  3. Check the oil level using the dipstick and adjust as needed.

Step 5: Run and Recheck

Start the engine and let it run for a minute. Turn it off, wait a few moments, and check the oil level again. Add more oil if necessary.

Read Engine Oil Grades Chart(Grade A to Z Guide)

FAQs

What oil do I use in my Kohler engine?

The best oil for your Kohler engine depends on the temperature and operating conditions. Below is a general guideline:

  • Above 50°F (10°C): Use SAE 30 (conventional) for best performance.
  • 0°F to 100°F (-18°C to 38°C): Use 10W-30 for a wider temperature range.
  • Below 0°F (-18°C): Use 5W-30 synthetic oil for cold-weather operations.

For heavy-duty or commercial applications, 15W-40 or 20W-50 may be used, depending on the load and conditions.

Always check your engine manual for specific recommendations.

2. Should I use synthetic oil in a Kohler engine?

Yes, Kohler allows and recommends synthetic oil, especially in extreme temperatures. Full synthetic oils like 5W-30 or 10W-30 provide:

  • Better cold-start performance
  • Enhanced engine protection and lubrication
  • Improved fuel efficiency
  • Longer oil change intervals

However, if switching from conventional to synthetic oil, always follow the manufacturer’s guidelines and perform regular oil changes.

Read Engine Oil Additives to Stop Ticking Lifter(Top 5 Best Oil)

3. What oil does an 18 HP Kohler engine take?

An 18 HP Kohler engine typically requires:

  • SAE 30 for warm temperatures (above 50°F / 10°C)
  • 10W-30 for varying temperatures
  • 5W-30 (synthetic) for cold weather (below 0°F / -18°C)

For commercial or high-load operations, 15W-40 may be used for better protection. Always verify the oil recommendation in your engine’s manual.

4. What oil for a Kohler 6.5 HP engine?

A Kohler 6.5 HP engine typically uses:

  • SAE 30 for summer conditions and warmer temperatures.
  • 10W-30 for temperatures ranging from 0°F to 100°F (-18°C to 38°C).
  • 5W-30 synthetic for cold weather or if you want improved lubrication year-round.

Check the oil level regularly and change it every 50 hours of use or once per season.

Read Oil Drain Plug Torque Chart(Vehicles A to Z)

5. What kind of oil does a Kohler 20 HP engine take?

A Kohler 20 HP engine generally requires:

  • SAE 30 for warmer conditions (above 50°F / 10°C).
  • 10W-30 for varying temperatures (0°F to 100°F / -18°C to 38°C).
  • 5W-30 synthetic for colder climates (below 0°F / -18°C).
  • 15W-40 for commercial and high-load applications.

Final word

Selecting the correct oil for your Kohler engine is crucial for maintaining optimal performance and extending engine life. The Kohler engine oil chart above serves as a helpful guide for choosing the best viscosity grade and oil type for your engine, based on temperature conditions.

Ryan Gary
Ryan Gary

With a solid foundation of 20 years in the mechanical industry and a Mechanical Engineering degree, Ryan Gary brings a deep understanding of automotive systems to Engine Oil Journal.
Driven by a passion for vehicles and a commitment to providing accurate information, he created this platform to empower drivers to make informed decisions about engine oil care.

Newsletter Updates

Enter your email address below and subscribe to our newsletter