The OTR SAE 80W90 gear oil, available in a 400-pound capacity, provides excellent lubrication specifically for heavy duty gear systems. It is designed to withstand extreme pressure conditions, beneficial for manual transmissions and hypoid differentials. This gear oil maintains its viscosity across a wide temperature range, allowing for consistent performance under various climate conditions. Its formulation of gears with superior anti-wear protection and reduces the need for maintenance. Additionally, it enhances rust and corrosion resistance, safeguarding gear components in humid environments.