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.

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…