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David Weber Oil Co. offers a full line of Gibraltar lubricants for the transportation industry. They provide fleet owners with unsurpassed protection, extended equipment life and trouble-free efficient operation in the most demanding applications. All products marketed under the Gibraltar name are formulated not only to meet but exceed OEM and industry specifications so fleet owners can rest assured that their equipment investment is safe.

Whether you operate a fleet of over-the-road trucks or school buses Gibraltar heavy-duty lubricants are up to the task of protecting your equipment under any and all conditions.

Engine Oils

Heavy equipment and fleet operators are facing some of the most significant technological changes in history. But you can rely on Gibraltar motor oiIs to meet those challenges. Gibraltar Super S-3 exceeds all major OEM specifications, and for maximum performance where the CDII rating is recommended, Gibraltar HD Plus CDII is an excellent choice. In all applications, Gibraltar oils offer superior engine cleanliness and wear protection, while controlling foaming, consumption, and thickening.

Transmission Fluid

Extensively tested in the lab and in the field, Gibraltar oils meet and surpass the performance specifications of the American Petroleum Institute and the Motor Vehicles Manufacturers Association. Available in a range of grades, Gibraltar multigrade oils provide greater sludge control and protection from piston deposits, reduced oil thickening, and increased engine protection.

Gear Oil

Gibraltar field-proven gear oils meet modern industry’s needs by offering superior performance under increasing operating stresses. As extensive testing has shown, these products satisfy military, industrial, and OEM gear lubricant specifications and provide outstanding thermal stability, extended oil seal life, and wear protection.