Wear and corrosion protection
Excellent wear and corrosion protection through high-load duty cycles.
Heavy Duty & Fleet · Heavy duty
DIESEL ENGINE OIL 15W-40
Heavy-duty diesel engine oil for high-speed and heavy-load operation. Controls soot and keeps engines clean, with high thermal stability, oxidation resistance and good low-temperature flow for easy starting.
- Viscosity
- SAE 15W-40
- Performance
- API CI-4
- Application
- High speed, heavy load
01 / Where it is used
Typical applications.
- Heavy-duty diesel engines
- High-speed and heavy-load operation
- Mixed commercial fleets
- Engines requiring API CI-4 performance
Before you fill
Performance level: API CI-4. Confirm the builder's specification before filling, particularly on engines fitted with aftertreatment.
02 / Pack sizes
Available packs.
Pack sizes on request
Not every pack is stocked in every region. Ask your distributor, or contact us
03 / Why this grade
What the formulation is doing for you.
Thermal stability
High thermal stability and oxidation resistance under sustained heat.
Soot control
Controls soot and keeps engines clean between services.
Cold starting
Good low-temperature flow for easy starting on cold mornings.
04 / Specification
Full specification.
Technical and safety data sheets for this grade are available on request.
| Property | Value |
|---|---|
| Viscosity | SAE 15W-40 |
| Performance | API CI-4 |
| Application | High speed, heavy load |
| Type | Heavy duty engine oil |
Formulated to meet the performance requirements of the categories listed. Values are typical and not a specification limit.
05 / On the label
As printed on the pack.
EN
Heavy-duty diesel engine oil for high-speed and heavy-load operation. Controls soot and keeps engines clean, with high thermal stability, oxidation resistance and good low-temperature flow for easy starting.
Manufacturer
AG Lubricants® — Inside Engineering. Blended in the United Arab Emirates. Manufactured by AG Lubricants FZE, P.O. Box 123407, Dubai, United Arab Emirates. ISO 9001:2015 certified plant. Certificate No. 1538. Shelf life 5 years from date of manufacture, indoor storage.
Supplied in Ethiopia by AG Ethiopia.
06 / Related
Others in this family.
Super heavy duty
Heavy Duty & Fleet
ULTRA PLUS 15W-40
Super high-performance diesel engine oil incorporating new-generation additive technology. State-of-the-art dispersancy gives greatly improved soot handling and optimised protection for critical components such as the valve train, in on-highway and off-highway vehicles.
- Viscosity
- SAE 15W-40
- Performance
- API CI-4/SL
- Also meets
- ACEA E7
- Emissions
- Euro I–VI
1 L5 L
Gasoline
Passenger Car
SILK 8000 20W-50
High-performance gasoline engine oil formulated to perform in all driving conditions from mild to severe. Provides excellent engine protection against sludge and wear, and protects the engine in different weather conditions and harsh applications. Suitable for passenger cars, SUVs and vans.
- Viscosity
- SAE 20W-50
- Performance
- API SL
- Type
- Multi-grade gasoline
- Application
- Cars, SUVs, vans
1 L
API GL-5
Transmission & Gear
TRANS HD 1405 85W-140
High-performance extreme-pressure (EP) gear oil formulated from high-quality base oils and advanced additives to provide outstanding load-carrying capacity, excellent wear, rust and corrosion protection, ensuring smooth gear operation and extended service life.
- Viscosity
- SAE 85W-140
- Performance
- API GL-5
- Application
- Hypoid axles, high load
- Type
- Automotive gear oil
4 L
Not sure this is the right grade?
Send us the machine, the duty and the current oil. We will confirm this grade or point you at a better fit — and say so plainly if you do not need to change anything.