MTF-R SAE 80W API GL-4 Transmission Fluid (T700080CE) by Torco®. Viscosity: SAE 80W. Oil Type: API GL-4. Volume: 1 Liter. Quantity: 1 Bottle. Torco MTF Manual Transmission Fluid is a special light viscosity, low friction oil with superior load carrying and wear protection properties. It is formulated using the highest quality petroleum base stocks and unique additive systems that focus on thermal stability, shear stability and shock load protection. MTF is treated with anti-oxidation, anti-corrosion and anti-foam to reduce fluid degradation and increase life of all drive components.