Products > Schaeffer Oil > Engine Oils
Schaeffer Oil manufactures a variety of synthetic engine oils and natural gas engine oils primarily for heavy-duty diesel and gasoline engines.
Full synthetic diesel and gasoline engine oils formulated to extend engine life while providing for extended drain capability and improved fuel economy.
Our line of synthetic plus engine oils specially formulated to outlast commercial grade oils, extend engine life, and improve fuel economy.
A Para-Synthetic ashless 2-cycle oil specially formulated to meet and exceed the performance needs of today's high performance water cooled two cycle engines that specify the use of a 2-cycle oil that meets NMMA TC-W3.
A full synthetic, multi-grade engine oil formulated to reduce friction and wear, increase engine and fuel efficiency, and extend engine life in turbocharged or supercharged engines.
A multi-grade synthetic plus engine oil formulated to reduce friction and wear, increase engine efficiency and extend engine life in all types of gasoline engines including those that are turbocharged.
Full synthetic oil designed for carbureted, electronic fuel injected (EFI) and direct injection (DFI) 2-cycle engines.
A superior medium ash Para-Synthetic natural gas engine oil specially formulated for use in medium to high speed, four-cycle gas engines running on landfill gas or sour gas.
Synthetic Plus CNG Engine Oil SAE 15W-40 is blended from a unique combination of the finest quality severely hydrotreated polyalphaolefin (PAO) synthetic base fluids and severely hydrotreated and hydrocracked Group II Plus available.
Synthetic Plus Natural Gas Engine Oil SAE 30 & 40 is blended from the finest severely hydrotreated polyalphaolefin (PAO) synthetic base fluids and high viscosity index solvent refined severely hydro-finished 100% paraffin base stocks and available.
A petroleum-based, multi-grade engine oil blended from 100% paraffin base oils and formulated for use in all types of on- and off-highway diesel engines, including the 1998 low-emissions certified engines and the 2002 engines equipped with Exhaust Gas Recirculation (EGR) Systems.
A straight grade engine oil formulated to meet the year round service requirements of both heavy-duty diesel and gasoline engines.