#Diesel Engine

2 posts tagged with this topic.

Equipment & OEM Nov 7, 2026

PC-12 Engine Oil Standard Takes Effect January 1, 2027

New API CL-4 and FB-4 categories replace CK-4 and FA-4, tightening wear, oxidation, and aftertreatment protection specs. Fleets must match oil to OEM engine…

By Hank Rivers

Motor oil being poured into a diesel engine during a truck maintenance oil change

Fuel & Energy May 14, 2026

Iran War Drives Base Oil Shortage, Oil Changes About to Cost More

Industrial lubricants used to make motor oil are in short supply with no relief in sight, pushing maintenance costs higher for fleets already squeezed by tight…

By Tess Crawford