What Is OAT Coolant and Why Do Tier 4 Engines Use It?

What Is OAT Coolant and Why Is It Used in Many Tier 4 Engines? OAT coolant, or Organic Acid Technology coolant, is a coolant formulation that uses organic acid inhibitors to help protect engine cooling systems from corrosion. Unlike traditional coolants that rely heavily on inorganic additives, OAT formulas use organic acid inhibitors to protect […]

Antifreeze vs. Coolant: What’s the Difference?

Car repair troubles like oil changes, tire rotations, and brake checks are all too familiar. However, one essential maintenance item that’s often overlooked is the fluid that keeps your engine running smoothly—coolant. Or is it antifreeze? The two terms are often used interchangeably, as though they mean the same thing, but they’re not identical. As […]