API CI-4

API Service Category CI-4 was introduced in 2002 for high-speed, four-stroke diesel engines designed to meet 2004 exhaust emission standards implemented in 2002. API CI-4 oils are formulated to sustain engine durability where exhaust gas recirculation (EGR) and other...

API CK-4

API CK-4 describes oils for use in high-speed four-stroke cycle diesel engines designed to meet 2017 model year on-highway and Tier 4 non-road exhaust emission standards, as well as for previous model year diesel engines. These oils are formulated for use in all...

API FA-4

API FA-4 describes certain xW-30 oils specifically formulated for use in select high-speed four-stroke cycle diesel engines designed to meet 2017 model year on-highway greenhouse gas (GHG) emission standards. These oils are formulated for use in on-highway...

Spotlight On Heavy-Duty Engine Oil

Download a pdf copy of this article Courtesy of Lubes N Greases Heavy-duty engine oils, which protect diesel engines, are facing a barrage of changes. Formulators must meet ever stricter fuel economy regulations as well as restrictions on greenhouse gas emissions....