Monolec GFS Engine Oil is a a straight-grade engine oil formulated for extended drain service, primarily in off-road diesel engines. It contains Monolec, LE’s exclusive wear-reducing additive, and is specified mostly for engines but is also sometimes used in industrial applications.
Off-road diesel engines, air compressors.
Monolec® GFS Engine Oils are a family of SAE 30 through 50 straight-grade engine oils formulated for extended drain service, primarily in off-road diesel engines. They contain Monolec, LE’s exclusive wear-reducing additive, and are specified mostly for engines but are also sometimes used in industrial applications, such as air compressors.