FUELUBE Heavy Duty Engine Oil in a square jerry can is designed for powerful diesel engines operating under extreme conditions. Its advanced formulation provides superior wear protection, thermal stability, and extended drain intervals, ensuring optimal engine performance. This high-quality lubricant reduces deposits, minimizes friction, and enhances fuel efficiency for trucks, construction machinery, and industrial equipment. Packaged in a durable, space-saving square jerry can, it ensures easy handling, storage, and pouring convenience