Very high performance lubricant especially designed for engines used in earthmoving activities (quarries, construction, mining, railroads…) requesting API CK-4 or CJ-4 level.
RUBIA WORKS 4000 10W-40 is especially suitable for engines used in Off-Road activities (quarries, construction, mining, railroads…) requesting API CK-4 or CJ-4 level. Thanks to its numerous approvals, it can be used also in On-road" truck engines."