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 ...

”In an ideal world, in which no one ever touched the coolant and the vehicle never leaked, a high-quality extended-life coolant would be virtually maintenance-free. But this is not an ideal ...

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 ...

Because heavy-duty diesel engines have to do tough jobs, sometimes in tough environments, providing them with quality protection is a must to maintain optimal performance. The continued evolution of ...

Failure to properly maintain your cooling system is a leading cause of catastrophic diesel engine problems, accounting for approximately 40% of engine failures. The damage being done is difficult to ...

As The Turtle Expedition made final preparations for our Trans-Siberian Expedition, we knew we would be driving and camping in temperatures below -85 degrees Fahrenheit. That's 117 degrees below ...

Failure to properly maintain your cooling system is a leading cause of catastrophic diesel engine problems, accounting for approximately 40% of engine failures. The damage being done is difficult to ...

If you’re a maintenance manager or owner-operator who is thoroughly confused as to what type of engine coolant should be in your heavy-duty diesel truck (much less what type of coolant is actually in ...

For many years now, diesel engine manufacturers have continued to allude to equipment buyers about avoiding the use of diesel fuel additives. This position is expected, given the fact that engine ...

The key to million-mile diesel engine longevity is clean and temperature-regulated fluids. That means you need to protect your engine's intake air, coolant, fuel, and oil. Oftentimes, when diesel ...

Duralast’s replacement water pump keeps coolant where it belongs: inside our dually truck’s V-8 engine, not on the ground. This is a quick tech shot for enthusiasts who own older, 1990s-era pickups, ...