MAMMOTH PETROLEUM
778-370-3330
GUARDOL FE® SYNTHETIC BLEND DIESEL ENGINE OIL
PREMIUM SYNTHETIC BLEND API FA-4 DIESEL ENGINE OIL; FORMULATED FOR FUEL ECONOMY
ADVANCED EFFICIENCY: GUARDOL® FE® (SYNTHETIC BLEND)
Fuel Economy Focused. Uncompromised Protection.
Mammoth is proud to offer Phillips 66® Guardol FE, a premium synthetic blend engine oil specifically engineered to provide enhanced fuel economy compared to standard 15W-40 oils. By utilizing a lower high-temperature high-shear (HTHS) viscosity, Guardol FE reduces internal engine friction and drag, making it the ideal choice for modern fleets looking to lower their total cost of ownership while maintaining a high level of engine wear defense.
WHY MAMMOTH TRUSTS GUARDOL® FE:
Enhanced Fuel Savings: Formulated to meet the API FA-4 standard, this oil is designed to improve fuel efficiency in 2017 and newer diesel engines without sacrificing oil film strength.
Liquid Titanium® Shield: Fortified with our exclusive titanium additive to provide a molecular-level layer of protection that guards against engine wear during high-stress operation.
Superior Oxidation Stability: The synthetic blend base offers excellent resistance to oil thickening and breakdown, ensuring consistent performance over extended service intervals.
Emission System Compatibility: Low-SAPS formulation ensures your DPF and SCR systems stay clean and operational, reducing the need for forced regenerations and maintenance.
PRODUCT RESOURCES
PERFORMANCE
Enhanced Fuel Savings: Formulated to meet API FA-4 standards, improving fuel efficiency in modern diesel engines without compromising film strength.
Liquid Titanium® Shield: Provides a molecular-level layer of protection that guards against engine wear during high-stress, high-efficiency operation.
Superior Oxidation Stability: Advanced synthetic blend chemistry prevents oil thickening, ensuring stable performance across the entire service interval.
PROTECTION
Friction Reduction: Advanced FA-4 chemistry lowers internal fluid friction, converting more fuel energy into pulling power.
Wear-Free Efficiency: Proves that "fuel efficient" doesn't mean "less protection" by maintaining a rugged oil film under high loads.
Turbocharger Integrity: Resists high-temperature deposit formation on turbo bearings, ensuring quick response and long-term reliability.
UPTIME
Operational Savings: Direct fuel economy improvements mean more miles per tank, significantly lowering the total cost of ownership (TCO) per mile.
Stable Oil Pressure: Resists thermal thinning in high-efficiency engines, ensuring consistent protection during the longest, hottest hauls.
Long-Life Additives: Our advanced additive package stays active longer, protecting engine internals even during peak seasonal demand.
COMPOSITION
RESISTANCE
PROTECTION
FEATURES & BENEFITS
Fuel Efficiency Optimized: Engineered as a "Fuel Economy" (FE) oil to reduce parasitic drag and boost MPG.
Liquid Titanium® Shield: Exclusive additive bonds to surfaces for extra protection despite the lower-viscosity profile.
Oxidation Guard: Superior resistance to thermal breakdown during high-speed, long-distance highway hauls.
Aftertreatment Safe: Optimized SAPS levels to extend the service life of DPF and SCR systems.
Shear Stability: Stays in grade throughout the entire drain interval, ensuring consistent engine protection.
APPLICATIONS
Modern 2014+ on-highway diesel engines requiring API FA-4 (10W-30).
Specific Detroit Diesel, Cummins, and PACCAR engines designed for low-HTHS oils.
Fleets focused on reducing total fuel spend through high-efficiency lubricants.
Late-model logistics and transport trucks operating in long-haul service.
Licenses & Approvals:
Guardol FE is licensed or OEM-certified for:
API Service FA-4
Cummins CES 20087
Detroit Diesel DFS 93K223
Guardol FE meets or exceeds the requirements of:
Mercedes-Benz Sheet 228.61
Diesel engines manufactured by OEMs where FA-4 is specified (Note: Not backward compatible with CK-4).
MAMMOTH TECHNICAL TIP:
Be careful with this one—it’s an "FA-4" oil. It’s specifically designed for the tight tolerances of modern, high-efficiency engines to save you money at the pump. Don't put it in your older pre-2014 rigs; it’s too thin. But for a new fleet, it’s the easiest way to lower your operating cost per mile.