JAMMARK INTERNATIONAL TRADINGE(ZIBO) CO., LTD. is one of the most professional manufacturers and suppliers of ck-4 15w-40 diesel engine oil in China. If you're going to buy high quality ck-4 15w-40 diesel engine oil made in China, welcome to get more information from our factory. For price consultation, contact us.

CK-4 15W-40 Diesel Engine Oil Application Scenarios

▸Long-haul heavy-duty trucks

▸ High-load construction machinery

▸ Urban logistics vehicles with frequent start-stop cycles

▸ Extreme climate regions (-30℃ to 50℃)

CK-4 15W-40 Diesel Engine Oil Core

API CK-4 Certification: Designed for modern high-boost diesel engines, providing excellent high-temperature stability and wear protection, and compatible with DPF aftertreatment systems.
Multiple viscosity options:

5W-30	Smooth cold start, with good fuel economy
5W-40	Suitable for a wide temperature range, with enhanced high-temperature protection
10W-40	Balances performance and cost, suitable for all seasons
15W-40	First choice for heavy-duty conditions, providing long-term engine protection.

Fully synthetic formula: Utilizes advanced additive technology to effectively control soot deposition and extend oil change intervals.
Globally compatible: Meets mainstream OEM standards in Europe, America, and Asia (such as Mercedes-Benz 228.31, Volvo VDS-4.5), suitable for trucks, construction machinery, and commercial vehicles.

Why choose the T9000 CK-4 ?

Performance Upgrades: Compared to the previous generation CJ-4 standard, oxidation stability is improved by 50%, and piston deposits are reduced by 30%.