Signature Series Max-Duty Synthetic Diesel Oil
Product Code DEO
Product HighlightsMore Info or Purchase Online
Protect your investment in diesel power
and confidently extend drain intervals with our top-grade synthetic diesel oil. AMSOIL Signature Series
Max-Duty Synthetic Diesel Oil delivers 6X better wear protection than required by the Detroit Diesel DD13
Scuffing Test for Specification DFS 93K222. Advanced synthetic technology provides excellent viscosity control
and outstanding extreme-temperature performance, while minimizing oil consumption. The result: protection
that’s boosted to the max.
Maximum Engine Protection
Wear on rings and cylinder liners leads to increased oil consumption and loss of compression, resulting in reduced
horsepower and fuel economy. Independent testing shows AMSOIL Signature Series Max-Duty delivers 6X more wear
protection than required by the Detroit Diesel DD13 Scuffing Test for Specification DFS 93K222, delivering the
security of providing your diesel the extra protection it deserves.
Using top-tier synthetic base oils, AMSOIL Signature Series Max-Duty is naturally resistant to oxidation and the
thickening effects of soot contamination. That, along with boosted 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. Lower volatility also helps Signature Series Max-Duty
retain its viscosity after high-temperature service for maximum engine protection and efficiency.
Excels in Extreme Temperatures
AMSOIL Signature Series Max-Duty Synthetic Diesel Oil resists thermal (heat) breakdown better than conventional and
competing synthetic diesel oils. Unlike conventional oils, Signature Series contains no wax, staying fluid in
sub-zero temperatures for easier starting, improved oil flow and reduced wear. Signature Series 0W-40 (DZF) has a
broad viscosity range that offers 4X better cold-cranking ability than a 15W-40, making it excellent for use in
both hot-operating engines and cold-weather starting extremes.
Minimizes Oil Consumption
AMSOIL Signature Series Max-Duty has a low rate of volatility (burn-off), reducing oil consumption during operation
and passing less oil vapor into the combustion chamber. It provides up to 76 percent less oil consumption than
required by the API CK-4 standard in the Caterpillar-1N oil consumption test.
Use in diesel engines and, where appropriate, gasoline
engines requiring any of the following specifications:
- API CK-4/SN, CJ-4, CI-4+, CF
- Volvo VDS4.5, VDS4, VDS3
- Mack EOS-4.5, EO-O
- Renault RLD-4, RLD-3
- Cummins CES20086, CES20081
- Caterpillar ECF-2, ECF-3, ECF-1-a
- DDC 93K218, 93K215, 93K214
- DFS 93K222
- ACEA E9, E7
- MB 228.31
- MAN 3575
- MTU Type 2.1, II, I
- JASO DH-2
- Allison TES439
- Deutz DQC III-10LA
- Scania LA-2
- Chrysler MS 10902
- Ford WSS-M2C171-F1
AMSOIL Signature Series Max-Duty Synthetic Diesel Oil is
compatible with other conventional and synthetic engine oils. Mixing AMSOIL diesel oils with other oils, however,
will shorten the oil’s 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 synthetic diesel
Diesel Engine Service Life
Heavy-Duty On-/Off-Road: Three times (3X) OEM1 recommendation, not to exceed
60,000 miles/600 hours or one year, whichever comes first.
Turbodiesel Pickup: Two times (2X) OEM1 recommendation, not to exceed 25,000 miles or one
year, whichever comes first.
Gasoline Engine Service Life
Two times (2X) OEM1 recommendation, not to exceed 15,000 miles or one year, whichever comes first.
Drain intervals may be extended further with oil analysis.
1Refer to your owner’s manual for OEM drain interval recommendations and guidelines for
severe and normal service.
Note: Extended drain intervals are not recommended for performance-modified engines, when
using biofuels containing more than 10 percent ethanol or 15 percent biodiesel (B15) or for 2007-2009 Caterpillar*
C13 and C15 on-highway engines. Extend drain intervals beyond OEM recommendations in these instances only with oil
analysis. Note: 2007-2010 Dodge**, Ford** and GM** turbodiesel pickups are also not recommended for extended drain
intervals when using DHD.
HEALTH & SAFETY
This product is not expected to cause health concerns
when used for the intended application and according to the recommendations in the Safety Data Sheet (SDS). USA and
Canada (M)SDS 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.
AMSOIL PRODUCT WARRANTY
AMSOIL products are backed by a Limited Liability Warranty. For complete information visit www.amsoil.com/warranty.aspx.
* All trademarked names and images are the property of their respective owners and may be
registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use.
All products advertised here are developed by AMSOIL for use in the applications shown.