Engine Oil for Heavy-Duty Diesel Engines

10W-40 diesel engine oil with extended drain interval

Low-ash fully synthetic engine oil

SAE 10W-40 Low SAPS Extended drain interval

Fully synthetic 10W-40 diesel engine oil with low SAPS content, developed for heavy-duty diesel engines and extended oil drain intervals. It provides oxidative stability, engine protection, and reliable lubrication under demanding commercial operating conditions.

Low-SAPS Formula Supports exhaust aftertreatment systems
Extended drain interval Designed for extended drain intervals
Oxidation Stability Stable Operation at High Temperature
Protection Under Heavy Load Conditions For commercial and fleet diesel engines

Description of 10W-40 diesel engine oil with extended drain intervals

This 10W-40 diesel engine oil with extended drain intervals uses a low-ash fully synthetic formulation for heavy-duty diesel engines operating in demanding on-road, fleet, and commercial conditions. It is designed to provide stable lubrication, oxidation resistance, and protection during extended oil change intervals.

The formulation ensures engine cleanliness and reliable lubricant performance under high-temperature, high-load conditions. With low SAPS content, it is also suitable for diesel engines equipped with modern exhaust after-treatment systems, provided the vehicle manufacturer's lubricant requirements are met.

Ningbo MOS Chemical Co., Ltd. manages international B2B sales and export services. Leveraging manufacturing capacities invested by MOSINTER GROUP, we support lubricant distributors, wholesalers, fleet maintenance companies, and private label buyers, providing bulk supply, OEM production, custom packaging, and export documentation.

Buyers can review our Diesel Engine Motor Oil Product Line or Contact us for wholesale and OEM cooperation .

Benefits of Diesel Engine Oil 10W-40

  • Low-ash fully synthetic formulation
  • Designed for Extended Oil Drain Intervals
  • High-temperature oxidation resistance
  • Protection for diesel operation under heavy load conditions
  • Compatible with modern exhaust after-treatment systems
  • Wholesale supply, OEM, and private label services

Applications of 10W-40 Diesel Engine Oil

Heavy-duty trucks
Buses and Commercial Vehicles
Construction and fleet equipment
Protection of 10W-40 diesel engine oil for heavy-duty engines

Protection under severe operating conditions with extended drain intervals

Provides reliable lubrication and oxidation resistance for heavy-duty diesel engines operating under high loads, elevated temperatures, and extended service intervals.

Packaging specifications

Extended-life diesel engine oil 10W-40, 4 L packaging
4L×6
Extended-life diesel engine oil 10W-40 in 18 L pail
18L

Frequently asked questions about diesel engine oil 10W-40 with extended drain intervals

Which engines is this 10W-40 diesel engine oil intended for?

It is intended for heavy-duty diesel engines used in commercial trucks, buses, fleets, and construction equipment, provided the viscosity and specification required by the engine manufacturer are followed.

Does this engine oil support extended drain intervals?

The formulation is designed for extended drain intervals and provides oxidation stability under severe operating conditions. Actual drain intervals must follow engine manufacturer instructions and operating conditions.

Do you supply 10W-40 diesel engine oil wholesale?

Yes. Ningbo MOS Chemical Co., Ltd. supports wholesale B2B orders, bulk lubricant procurement, distributor supplies, and export shipments for international customers.

Do you offer OEM and private label engine oil manufacturing services?

Yes. Through production facilities invested by MOSINTER GROUP, we support OEM and private label projects, including packaging selection, label customization and export documentation.