A heavy-duty truck’s cooling system is primarily designed to prevent the engine from overheating. Secondary tasks are to provide heat to the cab and, in some cases, the trailer. Today, cooling systems ...

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 ...

Engine overheating is rarely the result of a single failure. It usually happens when several small weaknesses in the cooling system line up, from low coolant to a stuck thermostat or a failing fan. To ...

In most automobiles, heat is inevitable. That's because an internal combustion engine (ICE) powers most vehicles. In an ICE, fuel burns to create power, and the process releases heat. A lot of heat.

Making big power with today's high-performance parts is relatively easy. Just go online, choose the parts that match your performance target, andwait for the goodies to arrive. But after those extra ...

The best solution to cold weather diesel starting problems is to avoid them by being prepared for cold weather before it happens. Diesel engines are harder to start in cold weather because they depend ...

COLUMBUS, Indiana—To comply with 2027 emissions regulations, new powertrains must make performance compromises. Despite the added weight and backpressure of a larger aftertreatment system, Cummins' ...