Rovas TDL 80W-90 is a multipurpose gear oil for heavy and light trucks. Belongs to the class of Total Drive Line oils (for all drive types). Due to the combined API GL-5/GL-4 specification, this oil is suitable for the majority of gear units from synchromesh and constant-mesh gearboxes to reducing gears with hypoid gearing. Has excellent anti-friction and anti-wear properties. Can be applied with extended drain intervals (as recommended by the machine manufacturer). Ideal for mixed vehicle fleet.