Synthetic technology low-SAPS lubricant, suitable for use in heavy-duty on road diesel and gas engines.
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. This lubricant withstands very long working periods under severe conditions and high load, with dust and heat
