Hydraulic systems are very costly to repair. Added to the cost of actual repairs are the formidable costs of downtime and lost production. It has been proven that a small investment in premium fluids and filtration can extend the life of hydraulic systems to at least double, and sometimes up to 4X longer intervals between repairs and rebuilds. Achieving this goal will pay back many times its cost. Success requires the following conditions; The hydraulic fluid must contain extra levels of Zinc Anti Wear Additives compared to typical anti-wear oils. This series of anti wear oils achieve that requirement