Get more per gallon.TM
CountryMark makes a range of hardworking diesel oils for hardworking diesel engines. Key features include exceptional protection that minimizes soot-related abrasive wear and offers outstanding cylinder, bearing and wear results. Enhanced soot control further reduces engine wear and extends engine life. Our diesel engine oils are also formulated with advanced technology to extend oil drain intervals, provide faster lubrication during cold starts, and maximize engine performance.
CountryMark Advantage™ Full-Synthetic Heavy-Duty Diesel Engine Oil is a unique formulation that offers outstanding wear protection, consumption control and extended-drain technology. Compared to conventional oils, it delivers greater than 2 percent fuel economy under all driving conditions. Count on its added varnish and sludge protection to keep engines clean.
Available in: SAE 5W40
CountryMark Advantage Synthetic-Blend Heavy-Duty Diesel Engine Oil is designed to help meet the latest government regulations requiring improved fuel-efficiency performance, and it surpasses the performance of API CJ-4 lubricants. As for outstanding wear protection, oil consumption control and extended-drain technology, that goes without saying.
Available in: SAE 10W30
Looking for a conventional, non-synthetic option to meet your needs? We’ve got that, too. Use our Advantage Heavy-Duty Diesel Engine Oil and expect the excellent levels of protection and performance that go along with the name CountryMark.
Available in: SAE 15W40