Excelmotive ZF 20W-40 is a zinc free medium speed multigrade two stroke diesel engine oil. It is manufactured from highly solvent refined base oils, pour point depressant and a specialised multi-functional additive pack. A shear stable viscosity index improver has also been incorporated to provide the necessary multigrade characteristics. Its zinc free formulation is designed to protect the silver wrist pin bearings on EMD engines and is suitable for highly rated engines operating under arduous conditions using moderately high sulphur fuel levels.
Excelmotive ZF 20W-40 is suitable for a wide range of railroad, inland marine and stationary engine applications and has been developed for the lubrication of General Motors
API CF-2, LMOA Generation V, GM specification for EMD MI 1761 Alco engines. Approved by EMD and GE.