The Rubia Works 4000 15W-40 is a high-quality lubricant, ideal for engines used in off-road activities such as quarries, construction, mining, and locomotives. Designed to meet API CK-4 and CJ-4 standards, this product is also compatible with on-road truck engines thanks to its numerous approvals.

This lubricant is particularly suited for engines operating under long periods of full load or during repeated acceleration and idling phases in dusty and hot environments.

The benefits of Rubia Works 4000 15W-40 include:

- Excellent thermal stability: Ensures effective lubrication even under extreme working conditions.

- Enhanced viscosity: Offers exceptional resistance to shear and oxidation.

- Particulate filter protection: Helps prevent clogging of Diesel particulate filters (DPF).

- Post-treatment system durability: Extends the lifespan of exhaust gas after-treatment systems.