Original Equipment 15W40 Synthetic Diesel Oil
OE 15W-40 Synthetic Diesel Oil (OED)
Formulated for Excellent Diesel Engine Protection and Performance
Purchase online in our new store or call.
1-800-579-0580 (Product Code OED)
Designed for the customer wishing to use OEM drain intervals in a synthetic at a competitive price.
Download this Printable Data Sheet for OE Diesel 15W40 Oil
AMSOIL OE 15W-40 Synthetic Diesel Oil provides excellent protection and performance in both on- and off-road diesel engines for the original equipment manufacturer’s recommended drain interval. It meets API CJ-4 specifications and is suitable for both modern and older diesel applications. AMSOIL OE 15W-40 Synthetic Diesel Oil exceeds the higher performance demands of modern engines and withstands the stress of heat, soot and acids to help prevent deposits, wear and corrosion.
Step up to AMSOIL & enjoy performance from a name you trust!
AMSOIL, the leader in automotive synthetic lubrication, produced the world’s first API-qualified synthetic motor oil in 1972. Trust the extensive experience of AMSOIL, The First in Synthetics®, to do the best job protecting your engine.
Meets Emission System Requirements
AMSOIL OE 15W-40 Synthetic Diesel Oil is a low-sulfated ash formulation that meets the requirements for low-emission quality diesel oil and protects under the most severe conditions found in modern diesel engines. It is compatible with all exhaust treatment devices and is designed for engines equipped with diesel particulate filters (DPF).
AMSOIL OE 15W-40 Synthetic Diesel Oil is formulated for improved heat and oxidation resistance over conventional petroleum oil for cleaner engine operation, maintaining power and fuel efficiency for superior engine performance. Its dependable cold-temperature flow assures easier start-up and improved post start-up protection.
Resists Oil Consumption and Emissions
Due to its low rate of volatility (burn-off), AMSOIL OE 15W-40 Synthetic Diesel Oil is able to reduce oil consumption and emissions during operation. It maintains its excellent film strength even during high-temperature operating conditions to ensure dependable protection, performance and fuel efficiency.
Controls Soot-Thickening and Wear
AMSOIL OE 15W-40 Synthetic Diesel Oil is formulated with premium synthetic base stocks and robust detergent/dispersant additives that keep soot particles from agglomerating and forming larger wear-causing particles. The AMSOIL OE 15W-40 Synthetic Diesel Oil formulation allows for optimal soot-related viscosity control to maintain stay-in-grade performance.
AMSOIL OE 15W-40 Synthetic Diesel Oil is recommended for diesel engines and, where appropriate, gasoline engines requiring any of the following specifications:
- API CJ-4, CI-4+, SM...
- ACEA E9
- DDC 93K218
- Cummins CES 20081
- MB 228.31
- CAT ECF-3, ECF-2, ECF-1-a
- Mack EO-O Plus
- Volvo VDS-4
- MAN 3575
- Renault RLD-3
- MTU Type 2.1
AMSOIL OE 15W-40 Synthetic Diesel Oil is compatible with conventional and synthetic motor oils. Mixing AMSOIL motor oils with other oils, however, will reduce the performance benefits.
Aftermarket oil additives are not recommended for use with AMSOIL motor oils.
AMSOIL OE 15W-40 Synthetic Diesel Oil is recommended for the intervals stated by the original equipment manufacturer (OEM). Refer to the owner’s manual for specific oil change interval recommendations. AMSOIL recommends the oil filter be replaced at each oil change as recommended by the OEM. When using an AMSOIL By-Pass Filtration System, refer to the By-Pass Oil Filter data bulletin (G498) for more information.
HEALTH & SAFETY
This product is not expected to cause health concerns when used for the intended application and according to the recommendations in the Material Safety Data Sheet (MSDS). MSDS’s are available upon request at 715-392- 7101 or on the AMSOIL Website. Keep Out of Reach of Children. Don’t pollute. Return used oil to collection centers.
Online Store - AMSOIL OED Diesel 15W40 Page - Pricing..
See complete up to date details on the AMSOIL OE 15W40 Diesel Oil (PDF) with this printable data sheet.
Typical Technical Properties
AMSOIL OED 15W40 SYNTHETIC Diesel OIL(OED)
|Four-Ball Wear Test @ 40 kg, 75°C, 1200 rpm, 1 hour; scar diameter, mm (ASTM-D4172)
Kinematic Viscosity @ 100°C, cSt (ASTM D-445)
Kinematic Viscosity @ 40°C, cSt (ASTM D-445)
Viscosity Index (ASTM D-2270)
CCS Viscosity, cP @ (°C) (ASTM D-5293
Flash Point °C (°F) (ASTM D-92)
Fire Point °C (°F) (ASTM D-92)
Pour Point °C (°F) (ASTM D-97)
Noack Volatility, % weight loss (g/100g) (ASTM D-5800)
High Temperature/High Shear Viscosity
@ 150°C and 1.0 X 106 s-1, cP (ASTM D-5481)
|Total Base Number
Give us a call and see what a case will cost you! It's much less than the synthetic diesels in the stores. 800-579-0580
Engine technologies present new Benefits & Challenges
Many mechanical developments designed to reduce emissions and improve efficiency place added stress on lubricants and fuel systems.
Dan Peterson | VICE PRESIDENT, TECHNICAL DEVELOPMENT
In recent years, mandated emissions reductions and new fuel economy
standards have been the major drivers for new engine technologies. Application of improved engine technologies is
accelerating to meet these mandates, challenging lubrication and fuel systems to operate accordingly. Two of the most
common recently improved engine technologies include turbochargers and gasoline direct injection.
Turbocharged engines have gained popularity with vehicle manufacturers for their ability to maintain or increase engine power while simultaneously increasing fuel economy. Turbochargers work by harnessing hot exhaust gases to drive a compressor, which in turn pressurizes air from the intake system to generate more engine power. Since turbochargers are continually exposed to hot exhaust gases, they stress lubricants far beyond other areas of the engine. High temperatures create the potential for localized sludge and deposit build-up in critical areas, which can lead to damage to the turbocharger and other parts of the engine if not lubricated and maintained correctly. Some engines equipped with turbochargers require warm-up and cool-down periods to avoid coking, which is when motor oil becomes baked onto the internal parts of the turbocharger.
According to BorgWarner Turbo and Emissions Systems, 90 percent of all turbocharger failures are due to one of
the following causes:
1. Penetration of foreign bodies into the
turbine or compressor
2. Dirt in the oil
3. Inadequate oil supply (oil pressure/filter system)
4. High exhaust gas temperatures.
These failures can generally be avoided with regular maintenance. Maintaining the air intake and filter for example, helps keep the system running cooler and ensures that no random foreign material gets into the turbocharger.
Many new turbocharger-equipped engines are designed to be consumer friendly and require little, if any, special intervention. For example, the new Ford EcoBoost™ engine has two water cooled turbochargers that continually circulate coolant after engine shut-down to ensure that the turbo is sufficiently cooled to prevent coking. Although this addresses some of the immediate issues, oil debris and localized excessive oil temperatures can still cause long-term issues.
Gasoline Direct Injection Engines
Gasoline direct injection (GDI) engines are becoming more widely used by vehicle manufacturers because, like
turbochargers, they can maintain engine power while also increasing fuel efficiency. In a GDI engine fuel is injected directly into the combustion chamber rather than the intake side of the engine. GDI technologies from different manufacturers vary and component design is slightly different depending on the company. Some GDI engines have exhibited problems with
carbon build-up on the intake side of valves. Oily residues build up over time and deposit on the back side of intake
valves causing loss of engine horsepower, sluggish operation and poor fuel economy.
One of the larger concerns is the potential for clogging fuel injectors. GDI systems operate under very high pressures and temperatures. The fuel injector resides inside the combustion chamber, so it is exposed to continuous cycles of high heat and pressure followed by cold-soak periods. This is a much more severe operating environment and deposit issues are more
common than in engines with injectors on the intake side. Since GDI systems depend on high pressures to atomize the fuel, any disruption of the fuel flow through the small injector openings creates noticeable issues. This problem is so prevalent that a GDI deposit test was designed specifically to predict deposit formation and impact on fuel flow.
So, with more change comes more issues and opportunities. Increased use of turbochargers places more stress on lubricants and filter technology. Lubricants must hold up to excessive temperatures created by use of these systems, and they must be able to quickly pull heat away from lubricated areas. In addition oil filtration is critical as these systems continuously operate
under high load and rpm. A slug of dirt particles in engine oil can tear up key bearing components quickly. Seems like a problem specifically designed for AMSOIL motor oils and high efficiency nanofiber filters.
GDI technology has many benefits but some significant issues. The pressure
cooker that is created by high temperatures,
high fuel pressures and smaller fuel injector openings can certainly cause new issues for drivers. Varying fuel quality also creates another opportunity for AMSOIL fuel additives to help prevent or eliminate the issue.
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