Petrovöll VIRÖ-TEC Semi Synthetic is a multigrade diesel engine oil formulated to provide optimum protection and premium all round performance in diesel engines used in the construction field and for road transport. It is produced using advanced additive technology that meets the latest low emission and high performance requirements of US, European and Japanese engine makers, and provides protection against oil thickening, high temperature, sludge build up, oil degradation and corrosion.

Petrovöll VIRÖ-TEC Semi Synthetic is developed specifically for diesel engines with an extended maintenance interval such as heavy-goods vehicles, buses and work machines. Its innovative blend makes a wide range of applications possible and ensures safe operation, even under difficult conditions.