Engine oil turns black from a combination of combustion byproducts, heat oxidation, and detergent additives suspending carbon ...

To truly manage a fleet, we have to stop looking at machines solely from the outside. A fluid analysis program is a critical ...

When you take your vehicle in for an oil change -- or change you oil yourself if you're so inclined-- you probably don't give much thought to what's in the fluid being drained. It might not occur to ...

CCJs 10 44 is brought to you by Chevron Delo, heavy duty diesel engine oil. Now there's even more reasons to choose Delo engine oil Sampling isn't just about the quality of the oil itself. You're ...

NASHVILLE – Cummins says X15 Efficiency Series and X15 Performance Series engine owners can extend their oil drain intervals up to 80,000 miles using the free Cummins OilGuard program, which uses ...

Modern engine oil does more than lubricate internal parts. It absorbs heat from the pistons and cylinder walls, working in conjunction with the cooling system to maintain the engine at the required ...

Why the next heavy-duty engine oil category matters for durability, maintenance planning and equipment decisions beyond 2027.

Keeping up with oil changes is one of the simplest yet most crucial ways to extend your truck's life. Diesel engines, especially in hard-working semi-trucks, deal with massive loads and long hauls, so ...