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.

Engine Oil Equivalent Chart(Comprehensive Guide)

Engine Oil Equivalent Chart

An engine oil equivalent chart is a reference tool that compares different oil viscosities and standards to help users find suitable substitutes when the exact grade is unavailable. It usually includes SAE (Society of Automotive Engineers) grades, ISO grades, and…

Engine Oil Classification Chart(Complete Guide)

Engine Oil Classification Chart

You might have noticed strings of letters and numbers on oil containers like 5W-30 or API SN. These aren’t just random, they signify important classifications that determine the oil’s viscosity, composition, and suitability for certain engines. In this post, we…

Cummins Engine Oil Capacity Chart(A to Z Models)

Cummins Engine Oil Capacity Chart

Maintaining the correct oil capacity in your Cummins engine is crucial for optimal performance and longevity. Below is a comprehensive chart detailing the oil capacities for various Cummins engine models.​ Let’s jump in. Cummins Engine Oil Capacity Chart Engine Model…

Diesel Engine Oil Grades Chart(Ultimate Guide)

Diesel Engine Oil Grades Chart

When it comes to maintaining a diesel engine, choosing the right engine oil is non-negotiable. One of the most crucial tools in this process is understanding the diesel engine oil grades chart. This chart helps fleet managers, DIY mechanics, and…