THE FLEET STANDARD: GUARDOL® FLEET EC® (SYNTHETIC BLEND)

Heavy-Duty Reliability. Cost-Effective Performance.

Mammoth is proud to supply Phillips 66® Guardol Fleet EC, a high-quality synthetic blend engine oil designed to deliver robust protection for heavy-duty diesel engines. This "EC" (Emission Compatible) formulation is specifically balanced for fleets that require a dependable, high-volume oil that excels in both modern low-emission engines and older legacy units, ensuring consistent performance across mixed equipment profiles.

WHY MAMMOTH TRUSTS GUARDOL® FLEET EC:

• Proven Wear Protection: Engineered with a balanced additive package that provides a durable film on critical engine parts, reducing metal-to-metal contact and extending component life.

• Soot Control Excellence: Advanced dispersant technology keeps soot particles suspended, preventing the abrasive wear and oil thickening that can plague hard-working diesel engines.

• Thermal Stability: The synthetic blend base provides enhanced resistance to oxidation compared to conventional oils, maintaining performance during high-temperature operations.

• System Compatibility: Formulated to protect and preserve exhaust aftertreatment hardware, including DPF and SCR systems, to minimize downtime and costly service interruptions.