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Super Overlord K12 API CK-4 10W-40 fully synthetic diesel engine oil
Engine Oil for Heavy-Duty Diesel Engines

API CK-4 10W-40 Fully Synthetic Diesel Engine Oil

Super Overlord K12 | Extended Drain Interval, OEM Supply

API CK-4 ACEA E4/E6/E7/E9 SAE 10W-40

Fully synthetic heavy-duty diesel engine oil formulated to meet API CK-4 and ACEA E series requirements. Provides detergency-dispersancy control, wear protection, and oxidation resistance for demanding on-road and off-road diesel applications. Available for wholesale B2B procurement, bulk purchases, distributor supply, OEM production, and private label cooperation.

Engine Cleanliness Control of Detergent and Dispersant Properties
Wear protection Helps protect critical engine components
Oxidation Control Enables extended drain intervals
Severe-Duty Operation For Severe-Duty Diesel Engine Operation
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API CK-4 10W-40 Diesel Engine Oil Overview

Super Overlord K12 is a fully synthetic heavy-duty diesel engine oil SAE 10W-40 formulated to meet API CK-4 and ACEA E4/E6/E7/E9 requirements. Its detergent-dispersant, anti-wear, and antioxidant additive system helps maintain engine cleanliness, protect heavily loaded components, and enable extended drain intervals under severe operating conditions.

Product information covers performance requirements related to Volvo VDS-4.5, Renault RLD-4, Mack EOS-4.5, Mercedes-Benz 228.51/228.31, MAN M3775/M3271/M3477, MTU Category 3.1, Cummins CES 20086/20081, Deutz DQC IV-10 LA, Detroit Diesel 93K222, and Caterpillar ECF-3. Final product selection should be confirmed in accordance with the engine manufacturer's guidelines and required technical documentation.

Key Performance Benefits

  • Developed to Meet API CK-4 and ACEA E4/E6/E7/E9 Requirements
  • Control of detergent and dispersant additives helps reduce sludge and deposit formation
  • Anti-wear properties help protect heavily loaded engine components
  • Oxidation resistance ensures long oil life and extended drain intervals
  • Suitable for severe-duty on-road and off-road diesel engines

Severe Operating Conditions

Heavy-duty trucks
Construction equipment
Mining Equipment
Commercial Fleets
API CK-4 Diesel Engine Oil Protection for Heavy-Duty Engines

Protection for Demanding Diesel Engines

Delivers engine cleanliness, wear control, and lubricant durability in heavy-duty trucks, commercial fleets, construction machinery, and off-road diesel equipment.

B2B manufacturer and supplier of diesel engine oil

MOSINTER GROUP supports lubricant manufacturing, product development, and production cooperation through its invested industrial production network. Ningbo MOS Chemical Co., Ltd. manages international B2B sales, export coordination, and customer service for lubricant importers, distributors, wholesalers, fleet operators, and private label buyers.

We supply API CK-4 10W-40 diesel engine oil for wholesale purchases, bulk deliveries, distributor programs, OEM production, and private label projects. Packaging, labeling, carton configuration, and export documentation can be discussed depending on the target market and order requirements.

B2B cooperation options

  • Wholesale and bulk supply of diesel engine oil
  • OEM lubricant production partnership
  • Private Label and Custom Packaging
  • Supply Programs for Distributors and Importers
  • International export and documentation support

Packaging specification

API CK-4 10W-40 fully synthetic diesel engine oil, 4L x 6 packaging options
4L×6
Fully Synthetic Diesel Engine Oil API CK-4 10W-40 18L Packaging Options
18L

API CK-4 10W-40 Diesel Engine Oil Frequently Asked Questions

What is API CK-4 10W-40 diesel engine oil used for?

It is formulated for modern heavy-duty diesel engines used in trucks, commercial fleets, construction equipment, mining machinery, and other severe service conditions requiring API CK-4 and SAE 10W-40 performance.

Do you supply diesel engine oil API CK-4 10W-40 in bulk?

Yes. Ningbo MOS Chemical Co., Ltd. supports B2B wholesale orders, bulk lot procurement, distributor supplies, and international export cooperation.

Is the diesel engine oil available under OEM or private label?

Yes. OEM and private label cooperation may include label design, packaging selection, carton configuration, and market-specific product documentation, depending on order requirements and final confirmation.

What is the role of MOSINTER GROUP and Ningbo MOS Chemical Co., Ltd.?

MOSINTER GROUP is presented as an industrial investment group with investments in production facilities, while Ningbo MOS Chemical Co., Ltd. handles international B2B sales, export coordination, and customer collaboration.