Product Description

Castrol CRB MINING 15W‑40 CK‑4 is a premium heavy duty diesel engine oil engineered for severe duty mining, construction, and transport applications. It delivers enhanced wear protection, robust soot control and improved oxidation resistance to support long oil life in demanding operating environments.

Formulated for engines requiring API CK‑4/CI‑4+ performance, Castrol CRB MINING 15W‑40 CK‑4 is suitable for a wide range of on‑highway and off‑highway diesel engines, including those fitted with modern emissions systems, turbochargers and exhaust gas recirculation (EGR) systems.

Applications

• Mining and heavy construction equipment

• On‑highway heavy duty diesel engines

• Off‑highway equipment operating under severe load and high temperature

• Mixed fleet operations requiring CK‑4/CI‑4+ oils

Always follow the engine manufacturer’s recommended oil grade and service category.

Performance Features

• Robust wear protection helps extend engine life under severe operating conditions.

• Improved soot control maintains oil integrity and protection in high‑soot environments.

• Enhanced oxidation and thermal stability for long oil life and extended drain capability.

• Effective protection for engines with EGR, turbochargers and aftertreatment systems.

• Excellent protection against deposits and piston underside wear.

Specifications & Approvals

• API CK‑4

• API CI‑4+

• Meets or exceeds engine manufacturer performance requirements where CK‑4/CI‑4+ oils are specified.

Typical Physical Properties