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Amsoil Synthetic Diesel Oil
AMSOIL Premium API CJ-4 Synthetic 5W-40 Diesel Oil
(DEO)
See Pricing Information or Place an Order
PRODUCT DESCRIPTION
AMSOIL Synthetic 5W-40 Diesel Oil (DEO) is the premium choice for API CJ-4 emission-quality diesel
oil required by model-year 2007 and newer diesel engines. It delivers extraordinary lubrication in
diesel engines found in commercial, fleet and personal vehicles. Built with the latest additive and
synthetic base oil technology, AMSOIL Premium Synthetic 5W-40 Diesel Oil exceeds the higher
performance demands of modern engines. It withstands the stress of heat, soot and acids to help
prevent deposits, wear and corrosion. AMSOIL Synthetic 5W-40 is wax-free with a broad viscosity
range to provide exceptional cold-weather starting and high temperature protection. It resists
breakdown and offers maximum fuel efficiency over extended drain intervals.
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.
Exceeds Emission System Requirements
AMSOIL Synthetic 5W-40 Diesel Oil is a low-sulfated ash formulation that exceeds the requirements
for low-emission quality diesel oil. It is compatible with all exhaust treatment devices and is
designed to extend the service life of diesel particulate fi lters (DPF).
Extended Drain Performance
AMSOIL Premium 5W-40 Diesel Oil can extend drain intervals far beyond those recommended for
conventional petroleum oils. Its unique synthetic formulation and long-drain additive system (10.4
TBN) deliver superior engine protection, cleanliness and performance over extended drain intervals.
AMSOIL Synthetic 5W-40 Diesel Oil provides
maximum protection for up to 3X the OEM-recommended drain interval, and further with oil
analysis.
Improves Fuel Economy
The advanced synthetic technology used to engineer AMSOIL Premium 5W-40 Diesel Oil enhances
viscosity properties and is proven to deliver better fuel economy. In fact, the Environmental
Protection Agency’s (EPA) Federal Test Procedure confirms that AMSOIL 5W-40 Diesel Oil provides up
to 3 percent better fuel economy than conventional 15W-40 diesel oils.
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Fleet Savings vs. conventional 15W-40
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1 Truck
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50 Trucks
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Fuel Economy Savings (1.6%) |
$960 |
$48,000 |
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Extended Drain Savings |
$201 |
$10,050 |
| Total Savings
with AMSOIL |
$1,161 |
$58,050 |
*Based on 120,000 miles per year with an OEM-recommended drain interval of 10,000
miles. Avg. 6 mpg, 32-qt. oil sump, $3/gal. fuel, $34.36/gal. AMSOIL, $13.55/gal. conventional
diesel oil. Does not include labor, filter or used oil disposal costs, making AMSOIL even more cost
effective.
Reduces Oil Consumption and Emissions
AMSOIL Synthetic 5W-40 Diesel Oil has lower volatility (burn-off) than conventional petroleum oils.
Because less oil vapor passes into the combustion chamber, oil consumption and emissions are
reduced. Lower volatility helps AMSOIL Premium Diesel Oil retain its viscosity after
high-temperature service for dependable protection and excellent fuel economy.
Controls Soot-Thickening and Wear
The advanced synthetic base oils in AMSOIL 5W-40 Diesel Oil are naturally resistant to soot
contamination. That, along with a heavy fortification of detergent/dispersant additives, keeps soot
particles suspended independently, helping prevent the formation of larger wear-causing particles.
Viscosity increase is minimized and soot-related wear is controlled.
APPLICATIONS
AMSOIL Premium CJ-4 Synthetic 5W-40 Diesel Oil is recommended for diesel engines and, where
appropriate, gasoline engines requiring any of the following specifications:
• SAE 5W-40 • API CJ-4, CI-4+, CF, SM
• ACEA E7, E9 • Mack EO-O Premium Plus
• DDC Power Guard 93K218
• Caterpillar ECF-3, ECF-2 • Cummins 20081
• Volvo VDS-4 • MB 228.31 • MTU Type I & II
• MAN 3275 • JASO DH-2 • Global DHD-1
• Renault RLD-3
COMPATIBILITY
AMSOIL Synthetic 5W-40 Diesel Oil is compatible with conventional and synthetic motor oils. Mixing
AMSOIL motor oils with other oils, however, will shorten the oil life expectancy and reduce the
performance benefits. AMSOIL does not support extended drain intervals where oils have been mixed.
Aftermarket oil additives are not recommended for
use with AMSOIL motor oils.

SERVICE LIFE
AMSOIL Premium API CJ-4 Synthetic 5W-40 Diesel Oil is recommended for extended drain intervals in
engines that are unmodified and in good operating condition.
Diesel Engine Service
• Three times (3X) OEM* recommendation, not to exceed 50,000 miles/600 hours or one year, whichever
comes first. Drain intervals may be extended further with oil analysis.
Gasoline Engine Service
• Two times (2X) OEM* recommendation, not to exceed 15,000 miles or one year, whichever comes
first.
*Operating conditions and drain intervals for severe and normal service are
defined by the OEM. Refer to your owner’s manual.
Note: Extended drain intervals are not recommended when using biofuels containing
>10% ethanol or 5% biodiesel (B5). Follow OEM drain intervals or extend drain intervals with oil
analysis.
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AMSOIL Premium API CJ-4 Synthetic 15W-40 Diesel Oil (DME)
See Pricing Information or Place an Order
PRODUCT DESCRIPTION AMSOIL Synthetic 15W-40 Diesel Oil (DME)
is the premium choice for API CJ-4 emission-quality diesel oil required by model-year 2007 and
newer diesel engines. It delivers extraordinary lubrication in diesel engines found in commercial,
fleet and personal vehicles. Built with the latest additive and synthetic base oil technology,
AMSOIL Premium Synthetic 15W-40 Diesel Oil exceeds the higher performance demands of modern
engines. It withstands the stress of heat, soot and acids to help prevent deposits, corrosion and
wear. 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.
Exceeds Emission System Requirements
AMSOIL Synthetic 15W-40 Diesel Oil is a low-sulfated ash formulation that provides excellent
performance in low-emission diesel engines. It is compatible with all exhaust treatment devices and
is designed to extend the service life of diesel particulate filters (DPF).
Extended Drain Performance
AMSOIL Premium 15W-40 Diesel Oil can extend drain intervals far beyond those recommended for
conventional petroleum oils. Its unique synthetic formulation and longdrain additive system (10.4
TBN) deliver superior engine protection, cleanliness and performance over extended drain intervals.
AMSOIL Synthetic 15W-40 Diesel Oil provides
maximum protection for up to 3X the OEM-recommended drain interval, and further with oil
analysis.
Controls Soot-Thickening and Wear
The advanced synthetic base oils in AMSOIL 15W-40 Diesel Oil are naturally resistant to soot
contamination. That, along with a heavy fortification of detergent/dispersant additives, keeps soot
particles suspended independently, helping prevent the formation of larger, wear-causing particles.
Viscosity increase is minimized and soot-related wear is
controlled.
Superior Shear Stability, Reduced Oil Consumption
AMSOIL Synthetic 15W-40 Diesel Oil has lower volatility (burn-off) than conventional petroleum
oils. Because less oil vapor passes into the combustion chamber, oil consumption and emissions are
reduced. Lower volatility helps AMSOIL Premium Diesel Oil retain its viscosity after
high-temperature service for continued dependable protection.
Ideal for Fleets
AMSOIL Premium 15W-40 Diesel Oil reduces operating costs through extended drain intervals. It is
engineered for a wide range of applications, allowing fleet operators to consolidate engine oil
inventories in mixed fleets. In addition, it reduces downtime through extended drain intervals and
improved equipment protection.
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AMSOIL 15W-40 Diesel Oil
costs less per mile than conventional oil
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Fleet Savings vs. conventional 15W-40
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Total Lubricant Used
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Cost Per Gallon
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Total Lubricant Cost x1 Truck
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Total Lubricant Cost x50 Trucks
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Conventional 15W-40 |
8 gal x12=96 gal
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$13.55
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$1,301
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$65,050
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AMSOIL Synthetic 15W-40 |
8 gal x4=32 gal
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$34.36
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$1,100
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$55,000
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| Total Savings With
AMSOIL |
$201
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$10,050
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| Based on 120,000 miles per year with an
OEM-recommended drain interval of 10,000 miles. Does not include labor, filter, or
used oil disposal costs, making AMSOIL even more cost effective. |
APPLICATIONS
AMSOIL Premium CJ-4 Synthetic 15W-40 Diesel Oil is recommended for diesel engines and, where
appropriate, gasoline engines requiring any of the following specifications:
• SAE 15W-40
• API CJ-4, CI-4+, CF, SM
• ACEA E7, E9
• Mack EO-O Premium Plus
• DDC Power Guard 93K218
• Caterpillar ECF-3, ECF-2
• Cummins 20081
• Volvo VDS-4
• MB 228.31
• MTU Type I & II
• MAN 3275
• JASO DH-2
• Global DHD-1
• Renault RLD-3
COMPATIBILITY
AMSOIL Synthetic 15W-40 Diesel Oil is compatible with conventional and synthetic motor oils. Mixing
AMSOIL motor oils with other oils, however, will shorten the oil life expectancy and reduce the
performance benefits. AMSOIL does not support extended drain intervals where oils have been
mixed.
Aftermarket oil additives are not recommended for use with AMSOIL motor oils.

SERVICE LIFE
AMSOIL Premium CJ-4 Synthetic 15W-40 Diesel Oil is recommended for extended drain intervals in
engines that are unmodified and in good operating condition.
Diesel Engine Service
• Three times (3X) OEM* recommendation, not to exceed 50,000 miles/600 hours or one year, whichever
comes first. Drain intervals may be extended further with oil analysis.
Gasoline Engine Service
• Two times (2X) OEM* recommendation, not to exceed 15,000 miles or one year, whichever comes
first.
*Operating conditions and drain intervals for severe and normal service are
defined by the OEM. Refer to your owner’s manual.
Note: Extended drain intervals are not recommended when using biofuels containing
>10% ethanol or 5% biodiesel (B5). Follow OEM drain intervals or extend drain intervals with oil
analysis.
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Synthetic Heavy-Duty Diesel & Marine Motor Oil SAE 15W-40 (AME)
See Pricing Information or Place
an Order
PRODUCT DESCRIPTION AMSOIL Synthetic Heavy
Duty Diesel & Marine Motor Oil (AME) is a premium diesel oil providing excellent
performance in all types of diesel engines where highly effective control of wear and
deposits is vital. Built with heavy-duty dispersant/detergent additives, its 12 TBN chemistry
neutralizes acids and controls soot thickening from EGR and blow-by to protect against
corrosion, cylinder bore polishing (wear) and varnish/sludge deposits. AMSOIL AME resists
heat and breakdown better than conventional petroleum oils for long lasting performance and
protection.
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.
Extends Drain Intervals
AMSOIL AME can extend drain intervals far beyond those recommended for conventional petroleum oils.
Its unique synthetic formulation and long drain additive system deliver the best possible engine
protection, cleanliness and performance over extended drain intervals, reducing vehicle maintenance
and waste oil disposal costs.
Advanced Soot and Wear Control Formula
AMSOIL Synthetic Heavy Duty Diesel & Marine Motor Oil is heavily fortified with
detergent/dispersant additives and is naturally resistant to soot. It keeps soot particles
suspended independently, preventing them from attaching together to form larger, wear-causing
particles. Viscosity increase is minimized and soot related wear is controlled.
Maximizes Fuel Economy, Reduces Oil Consumption and
Emissions
AMSOIL AME has lower volatility (evaporation) than con-ventional petroleum oils. Because less oil
vapor passes into the combustion chamber, oil consumption and emissions are reduced. Lower
volatility helps AMSOIL AME retain its viscosity after high temperature service for excellent fuel
economy and continued dependable protection.
Excellent Cold Flow
Properties
AMSOIL AME remains fluid down to -44°F. It eases cold weather starting and provides vital start-up
lubrication to prevent engine wear. AME outperforms conventional 15W-40 petroleum oils and greatly
minimizes the impact of cold weather operation.
APPLICATIONS
AMSOIL Synthetic Heavy Duty Diesel & Marine Motor Oil is engineered for use in a wide variety
of light and heavyduty applications, including over-the-road trucks, off road construction, marine
engines, farm equipment, mining, industrial (pumps & generators) and personal automotive or
commercial transportation. It is excellent for use with low or high sulfur diesel fuels in
standard, turbocharged or supercharged engines, including modern low emission diesels such as those
equipped with EGR systems.
AMSOIL Synthetic Heavy Duty Diesel & Marine Motor Oil is recommended for use in
diesel engines and other applications requiring any of the listed worldwide specifications and
gasoline engines requiring API SL, SJ, SH… or ACEA A3.
- API CI-4+, CF, CF-2, SL
- ACEA A3/B3, E2, E3, E5, E7
- Global DHD-1
- JASO DH-1
- Mack EO-M+ EO-N Premium Plus '03
- DDC Power Guard 93K214
- Caterpillar ECF-1A, ECF-2
- Cummins CES 20071, 20072, 20076, 20077, 20078
- Volvo VDS-2, VDS-3
- MB 228.3, 229.1
- MAN 271/3275
- MTU Type 2
- Allison C-4

SERVICE LIFE
AMSOIL Synthetic Heavy Duty Diesel Oil is recommended for extended drain intervals in
unmodified(1), mechanically sound(2) vehicles or equipment as follows:
Diesel Engine Service
• Normal Service — Up to 25,000 miles or one year, whichever
comes first, or longer based on oil analysis.
• Severe Service — Up to 15,000 miles or one year, whichever
comes first, or longer based on oil analysis.
Gasoline Engine Service
• In gasoline engines, oil drain intervals may be extended up to
two times (2X) the OEM* recommended drain interval (not to exceed 15,000 miles without oil
analysis) or one year, whichever comes first.
*OEM = Original Equipment Manufacturer
AMSOIL Ea™ and Donaldson Endurance™ full flow oil filters are designed for extended
drain intervals. They stop smaller particles, have less restriction and last longer than regular
filters. For best performance, use AMSOIL Ea or Donaldson Endurance oil filters.
AMSOIL Ea By-pass oil filters are specialized
for the removal of small, wear-causing dirt particles, thereby extending engine life. AMSOIL
encourages using an AMSOIL Ea
By-pass filter system for maximum engine and oil life.
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Series 3000 Synthetic 5W-30 Heavy-Duty Diesel Oil (HDD)
See Pricing Information or Place
an Order
PRODUCT DESCRIPTION AMSOIL Series 3000 100% Synthetic 5W-30 Diesel Oil (HDD) delivers
extraordinary lubrication in both diesel and gasoline engines found in commercial, fleet and
personal vehicles. By combining the industry’s premier synthetic technology with AMSOIL premium
additives, AMSOIL Series 3000 exceeds the higher performance demands of modern engines. It
withstands the stress of higher heat, higher acid levels and excessive soot loading found in
EGR-equipped engines. AMSOIL Series 3000 Synthetic 5W-30 Heavy Duty Diesel Oil consistently
outperforms conventional and synthetic diesel oils for long-lasting performance and
protection.
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.
Extends Drain Intervals
AMSOIL Series 3000 Synthetic 5W-30 Heavy Duty Diesel Oil can extend drain intervals far beyond
those recommended for conventional oils. Its unique synthetic formulation and long drain additive
system deliver the best possible engine protection, cleanliness and performance over extended drain
intervals, reducing vehicle maintenance and waste oil disposal costs.
Maximizes Fuel Economy
AMSOIL Synthetic 5W-30 Heavy Duty Diesel Oil is energy efficient for reduced fuel costs. Its low
viscosity minimizes “drag” associated with high viscosity oils, allowing the engine to operate more
freely, maximizing power and fuel economy.
Unsurpassed Protection Against Engine Wear
In the Four-Ball Wear Test (ASTM D-4172B) AMSOIL Series 3000 Diesel Oil demonstrated better
anti-wear performance than competitive petroleum and synthetic oils. Even under high temperatures
and pressures, its superior film strength and anti-wear additives help prevent metal-to-metal
contact. AMSOIL HDD reduces ring wear, cylinder bore polishing, oil consumption and valve train
wear for improved engine life and lower maintenance costs.
Controls Soot Thickening and Wear
AMSOIL Synthetic 5W-30 Heavy Duty Diesel Oil is heavily fortified with detergent/dispersant
additives and is naturally resistant to soot. It keeps soot particles suspended independently,
preventing them from attaching together to form larger, wear-causing particles. Viscosity increase
is minimized and soot related wear is controlled.
Reduces Oil Consumption and Emissions AMSOIL Series 3000 loses only 7.3% of
its mass to high temperature volatility (evaporation) in the NOACK test, outperforming all
conventional oils. Because less oil vapor passes into the combustion chamber, oil consumption and
emissions are reduced. Additionally, lower volatility helps AMSOIL HDD retain its viscosity after
high temperature service for continued dependable protection and excellent fuel economy.
Excels in Extreme Temperatures AMSOIL Synthetic 5W-30 Heavy Duty Diesel Oil
resists thermal (heat) breakdown, oxidation and sludge formation better than conventional oils. And
unlike conventional petroleum oils, AMSOIL HDD contains no wax. It stays fluid down to -50°C
(-58°F) for improved cold temperature oil flow, reduced bearing wear and easier starting.
APPLICATIONS
AMSOIL Synthetic 5W-30 Heavy Duty Diesel Oil is recommended for diesel engines and other
applications requiring any of the listed worldwide specifications and gasoline engines requiring
API SL, SJ, SH . . . or ACEA A3.
• API CI-4+, CF, CF-2, SL • ACEA A3/B3, E2, E3, E5 • Global DHD-1 •
JASO DH-1 • Mack EO-M+, EO-N Premium Plus ’03 • DDC Power Guard 93K214 • Caterpillar
ECF-1-a, ECF-2 • Cummins CES 20071, 20072, 20076, 20077, 20078 • Volvo
VDS-2, VDS-3 • MB 228.1, 228.3, 229.1 • MAN 271/3275 • MTU Type 2
AMSOIL HDD is compatible with conventional and synthetic motor oils.
Mixing AMSOIL motor oils with other oils, however, will shorten the oil life expectancy and reduce
the performance benefits. AMSOIL does not support extended drain intervals where oils have been
mixed. Aftermarket oil additives are not
recommended for use with AMSOIL motor oils.

SERVICE LIFE
AMSOIL Synthetic Heavy Duty Diesel Oil is recommended for extended drain intervals in
unmodified(1), mechanically sound(2) vehicles or equipment as follows:
Diesel Engine Service
• Normal Service — Up to 25,000 miles or one year, whichever
comes first, or longer based on oil analysis.
• Severe Service — Up to 15,000 miles or one year, whichever
comes first, or longer based on oil analysis.
AMSOIL Ea and Donaldson Endurance full flow oil filters are designed for extended
drain intervals. They stop smaller particles, have less restriction and last longer than regular
filters. For best performance, use AMSOIL Ea or Donaldson Endurance oil filters.
AMSOIL Ea By-Pass Oil Filters are specialized
for the removal of small, wear-causing dirt particles, thereby extending engine life. AMSOIL
encourages using an AMSOIL Ea By-Pass Filtration System for maximum engine and oil life.
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Additional Amsoil
Information:
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