Engine Oils

FS Low Ash Severe Duty SAE 40 Oil

FS Low Ash Severe Duty SAE 40 Oil is a premium, low ash natural gas engine oil formulated for severe engine conditions in renewable energy and clean fuel applications.

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FS Suprex Gold HFE SAE 10W-30

FS Suprex Gold HFE (High Fuel Economy) 10W-30 is an API FA-4 premium heavy duty engine oil formulated with advanced technology to provide superior engine life and improved fuel economy for on highway applications. 

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FS Suprex 15W-40, SAE 10W, 20W-20, 30, 40 & 50

FS Suprex is designed for heavy-duty two-stroke and four-stroke diesel engines found in farm machinery, construction equipment, marine, and over-the-road use. It is blended using specially selected, high quality base oils and additives providing excellent detergency, dispersancy, oxidation stability, rust/corrosion prevention, and foam suppression.

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FS Railroad Engine Oil SAE 40 & 20W-40, 9 TBN

FS Railroad Engine Oil is formulated to provide year round lubrication in 2-cycle and 4-cycle, low and high horsepower, turbocharged, railroad, marine, and stationary medium speed diesel engines requiring zinc free lubrication.

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FS Engine Guard 5W-20, 5W-30 & 10W-30

FS Engine Guard Motor Oils are premium passenger car motor oils. They are formulated with highly refined base stocks, a shear stable viscosity index improver and utilize an advanced detergent and dispersant package to provide excellent engine cleanliness.

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FS Engine Guard Full Synthetic SAE 5W-20

FS Engine Guard Full  Synthetic SAE 5W-20 premium motor oil is formulated with synthetic base oil, a shear stable viscosity index improver and utilizes an advanced detergent and dispersant package to provide excellent engine cleanliness.

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FS Engine Guard Full Synthetic SAE 5W-30

FS Engine Guard Full Synthetic SAE 5W-30 premium motor oil is formulated with highly synthetic base stock, a shear stable viscosity index improver and utilizes an advanced detergent and dispersant package to provide excellent engine cleanliness.

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FS Engine Guard SAE 20W-50

FS Engine Guard SAE 20W-50 is formulated with highly refined base stocks, a shear stable viscosity index improver and utilizes an advanced detergent and dispersant package to provide excellent engine cleanliness.

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FS Engine Guard Full Synthetic 0W-20 Passenger Car Motor Oil

FS Engine Guard 0W-20 is a full synthetic engine oil specifically designed to enhance fuel economy while providing lasting engine protection and peace of mind. This low-viscosity oil is ideal for cold-weather driving environments and helps keep engines clean and well protected.

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FS Non-Detergent Engine Oil 10W, 20 & 30

Quality non-detergent motor oil is recommended for use in applications that specify non-detergent oil. This product is suitable for older, pre-1964 passenger cars that do not require high performance motor oils.

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FS Low Ash Natural Gas Engine Oil

FS Low Ash Natural Gas Engine Oil exceeds the warranty requirements of engine manufacturers Caterpillar 3600 Series, Caterpillar 3500 series, Waukesha 7044, and Waukesha 7042.

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FS Ashless Natural Gas Engine Oil

This product has been specially formulated for the most severe natural gas applications in all makes of natural gas fired engines. It is primarily for use in all 2-stroke applications including: Cooper Bessimer, Clark, Ajax and Superior.

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FS Engine Guard TC-W3 Two-Cycle Engine Oil

One oil for all of the two-cycle equipment in your garage / shed / dock. FS Engine Guard Two-Cycle TC-W3 is an outboard engine oil certified by the National Marine Manufacturers Association (NMMA).

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