Oil and fluid testing answers both short- and long-term questions about the internal condition of engines, transmissions and hydraulic systems. A one-time sample of engine or transmission oil gives a ...

Engine oil is the lifeblood of your engine. It lubricates moving parts, reduces friction, carries away heat, and cleans ...

PC-12 engine oil will change oil selection, drain intervals, and shop procedures as new heavy-duty categories arrive in 2027.

Summer heat does not just make you sweat. It also puts your car's vital fluids to the test. Engine oil and transmission fluid ...

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 ...

If you own a Cummins-powered vehicle, there's only one name you'll consistently hear when it comes to engine oil: Valvoline Premium Blue. The product is the only engine oil exclusively endorsed and co ...

CCJ's 10 44 is brought to you by Chevron Delo, heavy duty diesel engine oil. Now there's even more reasons to choose Delo. An oil sample is only as good as the method used to pull it. You're watching ...