ULTRA DRIVE 80W-90 is a synthetic fortified ultra high performance, friction modified gear oil designed for applications operating in the most extreme conditions where high load, high temperatures and long hauls are common. ULTRA DRIVE 80W-90 has been formulated and tested with various Road Train operators throughout Australia’s Northern Territory. ULTRA DRIVE 80W-90 is suitable for use where both 80W-90 and 85W-140 viscosity grades are called for. It will provide ultimate film strength protection due to its high molecular strength and will offer excellent thermal stability. ULTRA DRIVE 80W-90 will not gel when contaminated with water. Ideal for extended drain intervals.