Written By: Corey Foy

Grease is an important component in the maintenance and performance of your machinery and equipment. Among the various grades available, EP1 and EP2 are two that you are most likely to encounter. Despite their similarities, you should note the differences between these two grades of grease that make them suitable for different applications. In this blog post, we'll explore these differences to help you choose the right one for your needs.

Grease Composition and Consistency

The main difference you should consider between EP1 and EP2 grease is their consistency. The thickening agent determines the grease's consistency, which affects its performance.

  • EP1: This grade has a softer consistency and is manufactured to be more fluid than EP2. You will often use EP1 in colder environments because it retains its fluidity in low-temperature conditions.
  • EP2: EP2 is firmer than EP1. It's thicker consistency makes it suitable for applications that involve higher temperatures and more pressure. EP2 stays intact and doesn’t melt away under high-stress conditions, which makes it a popular choice for heavy-duty applications.

Temperature Tolerance

The operating temperature range of grease is an important factor in its performance. You should know that EP1 and EP2 greases are designed to function across different temperature ranges.

  • EP1: It generally operates well in lower temperature ranges. This makes it ideal for outdoor machinery in colder climates and for equipment that doesn't generate too much heat.
  • EP2: Can withstand higher temperatures, making it more suitable for machines and vehicles that operate under high friction and heat. Its composition ensures that it maintains its consistency even when exposed to high temperatures.

Grease Applications

Your choice between EP1 and EP2 grease often comes down to the application and the environmental conditions.

  • EP1: You typically use it in small to medium-sized bearings. It's flow properties make it a good fit for your central lubrication systems in commercial vehicles, agricultural equipment, and certain industrial machinery.
  • EP2: Due to its thicker consistency and ability to withstand higher temperatures, you will often use EP2 grease in larger, heavy-duty bearings, industrial machinery, heavy equipment, and high-pressure environments.


While both EP1 and EP2 greases are designed to protect and lubricate machinery, their differences in consistency, temperature tolerance, and suitable applications make them distinct. With it's lower viscosity,  you will use EP1 in colder temperatures and lighter applications. EP2 grease, with it's higher viscosity, is ideal for high-temperature and high-pressure environments. When selecting a grease, it's important to consider the requirements of your machinery and the conditions in which it operates.

In conclusion, understanding these differences is key to ensuring the longevity of your equipment. Whether you choose EP1 or EP2 , always ensure that it meets the manufacturer's recommendations and the demands of your machinery.


Have you ever wondered if the colour of your grease matters? You should check out this blog and find out!

Lastly, for any questions about your transmission please call 1.800.463.0354 and speak to our Technical Specialist - Corey Foy or email info@49northlubricants.com.