Q8 T25 80W-90 is a transmission oil intended for older manual gearboxes where an oil in accordance with to API GL-1/GL-3 is recommended. Specially developed for Volvo’s older manual gearboxes in trucks and buses. Keeps the gearbox clean and provides the right friction properties, has good oxidation stability and high lubricity, which ensures a long service life for the gearbox’s components.