MACK EOS-4.5

The MACK EOS‑4.5 specification is a motor oil requirement developed by the American heavy‑truck manufacturer Mack Trucks for their medium‑ and high‑power diesel engines. Oil that meets EOS‑4.5 must have a viscosity range of 10W‑40 – 20W‑50, provide high oxidation resistance, wear and corrosion protection, and maintain stability under high loads and temperature fluctuations typical of long‑haul and city trucks. The specification covers both traditional diesels without after‑treatment systems and modern units with DPF or SCR, and does not require special SAPS limits, allowing the use of both mineral and synthetic formulas. When you choose oil marked MACK EOS‑4.5 on XENUM.ua you receive a product that meets Mack OEM requirements, preserves the warranty and provides optimal engine protection under intensive operation. If higher performance is needed, newer approvals MACK EO‑M PLUS or EO‑N Premium Plus remain compatible with older engines that have already run on EOS‑4.5.