When you cut to the basic principles of heavy-duty trucks it comes down to return on investment: maximum mpg, meeting emissions requirements and the truck running at optimum conditions and ...

The saying goes something like this: “When you take care of something good, that something good takes care of you.” The same can be said for taking care of maintenance on a heavy duty engine. Whether ...

Many drivers wonder if red coolant is better than green, especially with so many options on the market. Red coolant generally ...

Maintaining engine cooling system components is critical not only to avoid breakdowns, but also to ensure the truck is operating effectively throughout its lifecycle. Experts weigh in on what to check ...

Elizabeth Nelson, coolant program manager at Polaris Laboratories, a fluid-analysis company in Indianapolis, Ind., tells a story that would strike fear into the heart of any fleet manager. A class-8 ...

Let's face it, most engine additives don't really improve performances. If you want to try one that does, here's what you ...

New advanced engines and cooling systems are changing cooling system maintenance requirements. Service technicians and fleet managers should review their preventative maintenance (PM) strategy and ...

Protective additives in engine coolant can become depleted over time and continuously topping off with water, undiluted coolant and coolants of different types can lead to degradation of the fluid’s ...

The purpose of the coolant (antifreeze or water) flowing through your diesel is to regulate the heat within the cylinder head and engine block that's created by the combustion process. In order to ...