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.

Hummer Engine Oil Capacity(All Models & Engines)

Hummer Engine Oil Capacity

Using the wrong oil amount can lead to low oil pressure, excessive wear, overheating, or seal damage. This guide provides complete Hummer engine oil capacities, covering all models and major engine variants, followed by practical maintenance advice. Hummer Engine Oil…

Hino Truck Engine Oil Capacity(For All Models)

Hino Truck Engine Oil Capacity

This guide provides a complete Hino truck oil capacity table, covering light-duty, medium-duty, and heavy-duty models, along with practical oil-change tips to help you service your Hino truck correctly. Hino Truck Engine Oil Capacity Hino 300 Series (Dutro / Light-Duty)…

DAF Engine Oil Capacity(For All Models)

DAF Engine Oil Capacity

This guide provides a complete overview of DAF engine oil capacities in an easy-to-read table format, followed by practical maintenance tips every owner or fleet manager should know. DAF Engine Oil Capacity DAF / PACCAR Engine Code Displacement Euro Standard…

Milwaukee 8 Engine Oil Capacity(+ Best Recommended Oils)

Milwaukee 8 Engine Oil Capacity

Knowing the correct engine oil capacity helps protect internal components, improve performance, and extend engine life. Whether you ride a Touring, Softail, or CVO model, understanding how much oil your Milwaukee-Eight engine requires will help you perform accurate and safe…

150cc Engine Oil Capacity(+ Best Recommended Oils)

150cc Engine Oil Capacity

One of the most important maintenance tasks for any 150cc motorcycle is using the correct engine oil capacity. Adding too little or too much oil can affect performance, fuel economy, and engine lifespan. This guide explains 150cc engine oil capacity,…

Harley Davidson Engine Size Chart(For All Models)

Harley Davidson Engine Size Chart

Knowing engine displacement helps riders understand performance, character, and the evolution of Harley motorcycles over the years. Below is a complete chart of major Harley‑Davidson engine families, showing displacement in both cubic inches (ci) and cubic centimeters (cc), along with…

Subaru Forester Engine Oil(Top 5 Best Picks 2026)

Subaru Forester Engine Oil

Subaru’s boxer engines, including the popular 2.5-liter flat-4 and the turbocharged variants found in XT models, have specific oil needs. Choosing the right type and viscosity of oil ensures optimal engine health, performance, and longevity. In this guide, we’ll walk…