WINIRON TURBO DIESEL 15W-40 CF-4/SJ Motor Oil — 25 L

WINIRON TURBO DIESEL SAE 15W-40 API CF-4/SJ is a motor oil specifically designed for diesel engines (Diesel Engine Oil) of trucks and heavy equipment. It is formulated with Korean quality standards (Korean Quality and Technology) and Anti-Wear Technology.

According to the packaging labels, the product features an all-season SAE 15W-40 viscosity grade and meets the API CF-4/SJ specification. The API CF-4 standard is intended for high-speed, high-output diesel engines (both turbocharged and naturally aspirated), providing superior engine protection (Superior Engine Protection) against wear and piston deposit formation. The additional API SJ standard allows this oil to be used in older gasoline engines within mixed fleets.

The base oil type, exact physicochemical properties, manufacturer details, and official OEM approvals require confirmation via the product's Technical Data Sheet (TDS).

Package volume — 25 liters (plastic canister).

Recommended for use in diesel engines of older generation (Euro-2, Euro-3 standard) trucks, buses, construction, and agricultural equipment requiring API CF-4 specification and 15W-40 viscosity motor oil.

It is strictly not recommended for use in modern diesel engines equipped with Diesel Particulate Filters (DPF) and late-model Common Rail systems that require API CI-4/CJ-4/CK-4 or low-ash ACEA E-class standards.