Full Synthetic Diesel Engine Oil  

CountryMark Advantage™ Full Synthetic Heavy Duty Diesel Engine Oil is engineered for hard-working diesel engines. This unique formulation offers outstanding wear protection, oil consumption control and extended-drain technology. Available in SAE 5W40 

Key Features

Extended Drain: Designed with advanced technology which extends oil drain intervals, improves soot control, provides faster lubrication during cold starts and maximizes total engine performance. 

Improved Fuel Economy: Delivers greater than 2 percent fuel economy over conventional oils under all driving conditions.

Additive Technology: Delivers exceptional low-temperature flow properties, oxidation stability, viscosity retention and deposit control helping to enhance engine protection. Superior additive technology also provides added varnish and sludge protection to keep engines clean by minimizing deposit formation and significantly better soot handling capability than other oils.

 

Synthetic Blend Diesel Engine Oil



CountryMark Advantage™ Synthetic Blend Heavy Duty Diesel Engine Oil is uniquely formulated to offer better performance than API CJ-4 lubricants and it is designed to help meet latest government regulations requiring improved fuel efficiency performance plus it provides enhanced protection against viscosity loss due to shear and improved oil aeration. 
This distinctive formulation offers outstanding wear protection, oil consumption control and extended-drain technology. Available in SAE 10W30.

Key Features

Exceptional Wear Protection: Minimizes soot-related abrasive wear and offers outstanding cylinder, bearing and wear results. Enhanced soot control reduces engine wear and extends engine life.

Enhanced Performance and Extended Drain: Designed with advanced technology which extends oil drain intervals, improves soot control, provides faster lubrication during cold starts, and maximizes engine performance.

Exceptional Properties: Improved oxidation protection and aeration control. Outstanding cross-head and injector screw weight loss and exceptional bore polish and cylinder wear results. 

Heavy Duty Diesel Engine Oil



CountryMark Advantage™ Heavy Duty Diesel Engine Oil is engineered for hard-working diesel engines and offers better performance than API CJ-4 lubricants. It is formulated to help meet latest government regulations requiring improved fuel efficiency performance plus it provides enhanced protection against viscosity loss due to shear and improved oil aeration. This consistent formulation offers outstanding wear protection, oil consumption control and extended-drain technology. Available in SAE 15W40

Key Features

Exceptional Wear Protection: Minimizes soot-related abrasive wear and offers outstanding cylinder, bearing and ring wear results. 

Enhanced Performance and Extended Drain: Designed with advanced technology which extends oil drain intervals, improves soot control, provides faster lubrication during cold starts, and maximizes engine performance. 

Exceptional Properties: Improved oxidation protection and aeration control. Outstanding cross-head and injector screw weight loss and exceptional bore polish and cylinder wear results.


 

CountryMark helps cover mask costs for local students in Posey County
CountryMark is helping to cover the costs of face masks for students attending school in the Metropolitan School District of North Posey County and the Metropolitan School District of Mount Vernon Indiana.
 
CountryMark and branded dealers give back through adjusted Fueling Freedom program
For over 10 years, CountryMark has hosted Fueling Freedom events at CountryMark branded fueling stations across Indiana, Illinois and Ohio. During these events, CountryMark and branded dealers have donated 50 cents for every gallon of fuel pumped to local National Guard Soldier & Family Readiness Groups
 
Unleaded 88 now available at CountryMark terminals
CountryMark, a farmer-owned cooperative, recently added Unleaded 88, a 15 percent ethanol blend to its PLUS gasoline product line-up. The new, higher octane gasoline fuel will be available for purchase at CountryMark fuel terminal locations in Jolietville, Mt. Vernon, Peru and Switz City, Indiana.
 
COVID-19 Public Statement from CountryMark
A message from CountryMark President and CEO Matt Smorch regarding COVID-19 (coronavirus).
 
CountryMark CEO Retires After Lifetime Career in Oil Business
After 17 years as CountryMark's chief executive officer and president, Charlie Smith will retire from the company this December. "Our employees are what makes this company great, and I have been honored to serve them since 2003," said Smith.
 
 

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