Engine Coolant

Farm-Oyl® engine coolants are built with top-quality, proprietary formulations. These products provide superior protection and extended-life performance for your equipment’s integral cooling systems.

  • Heavy Duty Antifreeze/Coolant

    Heavy Duty Engine Coolant is a superior fully formulated engine coolant based on a proprietary formulation of corrosion inhibitors. Heavy Duty is a low silicate, phosphate and amine free ethylene glycol based product.

  • Ultra Diesel Pre-Mix

    Ultra Diesel 50/50 ELC* is a fully formulated, partial organic acid, ethylene glycol based product. This hybrid technology coolant was designed to meet the performance requirements for mixed fleets including automotive and both light and heavy-duty diesel engines.