Specialty oils offering a balance between performance and value.
Where Quality meets Economy
Formula 300 is Schaeffer Mfg. Co. DuQuoin’s mid-tiered product offering. With this line, we strike a balance between performance and value. Formula 300 motor oil line meets the API SL/CD performance specification, making this product an excellent choice for the car that is no longer brand new, but still deserves a quality lubricant.
The Formula 300 family also includes products that are considered obsolete by the original equipment manufacturers. Formula 300 is for the consumer that wants to use lubricants meeting the original specification and not rely on backwards compatibility of specifications. These oils are often hard to find and are considered specialty in today's market.