Ghost Lubricants UTTO/STOU Synthetic Universal Tractor Oils are high-quality fluids engineered to super-serve hydraulic systems, transmissions, and differentials with wet brake systems. When it comes to helping tractor owners protect their investment and reduce equipment downtime, no one outdoes us. Full-load. Heavy-duty. Ghost Lubricants Synthetic Universal Tractor Oil stands up to the toughest demands with superior synthetic performance, severe-temperature stability, and powerful water-rejection and anti-foaming properties. Our advanced formula reduces wear, corrosion, and transmission knocking. All this while maintaining strong lubrication no matter the speed and pressure your tractor hydraulic system throws our way.