Ryan Gary

Ryan Gary

Ryan Gary is an automotive enthusiast with over 15 years of hands-on experience in the mechanical industry. His passion for engines, vehicle maintenance, and lubrication inspired him to create Engine Oil Journal, a trusted resource dedicated to helping drivers, DIY mechanics, and automotive enthusiasts make informed decisions about engine oils, transmission fluids, and vehicle maintenance. Through well-researched, practical content, Ryan aims to simplify complex automotive topics and help readers keep their vehicles running at their best.

Freightliner Differential Oil Capacity(for All Models)

Freightliner Differential Oil Capacity

Differential oil lubricates the gears, bearings, and other internal components of the rear axle, helping prevent overheating, wear, and premature failure. Capacities vary depending on the truck model, axle configuration (single or tandem), and axle manufacturer (Meritor, Eaton, Dana, or…

Oil Drain Plug Size Chart(For Makes & Models 2026)

Oil Drain Plug Size Chart

When performing an oil change, one of the first steps is removing the oil drain plug from the oil pan. While many assume that drain plugs are “one-size-fits-all,” there are multiple sizes, pitches, and wrench/socket sizes across different vehicles. The…