The human body doesn't like to overheat and engine's aren't much different. Temperature can determine just how much power an engine can make, how efficiently it will run, and whether or not it will ...

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

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 ...

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 ...

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 ...

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 ...

Over 40% of all diesel engine downtime is coolant-related, says Joe Long, director of sales-Power Fleet Div. at Penray Companies. “Today’s advanced en­gine technologies can be more susceptible to ...

Drivers under pressure to save time and money often cut corners on basic upkeep, and one shortcut in particular is quietly ...