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These recommendations are subject to change without notice. Contact your local Cat dealer for the most up-to-date fluids recommendations.
EMA____________________Engine Manufacturers Association
API____________________American Petroleum Institute
SAE____________________Society Of Automotive Engineers Inc.
DEO-ULS ____________________Diesel Engine Oil-Ultra Low SulfurCat DEO-ULS
Cat DEO-ULS is developed and tested to provide superior protection and life for your Caterpillar engines.
Better Detergents
Advanced Additive Package
Enhanced Dispersants
Improved Protection from Thermal breakdown and Oxidation BreakdownDue to significant variations in the quality and in the performance of commercially available oils, Caterpillar makes the following recommendations:
Cat DEO-ULS (SAE 10W-30)
Cat DEO-ULS (SAE 15W-40)Cat DEO-ULS Multigrade oil is available in various viscosity grades that include SAE 10W-30 and SAE 15W-40. To choose the correct viscosity grade for the ambient temperature, see illustration 1. Multigrade oils provide the correct viscosity for a broad range of operating temperatures. Multigrade oils are also effective in maintaining low oil consumption and low levels of piston deposits.Consult your Cat dealer for part numbers and for available sizes of containers.Note: Cat DEO-ULS in SAE 15W-40 passes the following proprietary tests: sticking of the piston ring, oil control tests, wear tests, and soot tests. Proprietary tests help ensure that Caterpillar multigrade oil provides superior performance in Caterpillar Diesel Engines. In addition, Cat DEO-ULS Multigrade oil exceeds many of the performance requirements of other manufacturers of diesel engines. Therefore, this oil is an excellent choice for many mixed fleets. True high-performance oil is produced with a combination of the following factors: industry standard tests, proprietary tests, field tests, and prior experience with similar formulations. The design and the development of Caterpillar lubricants that are both high performance and high quality are based on these factors.Commercial Oils
Note: Non-Caterpillar commercial oils are second choice oils.
Caterpillar require the use of the following specification of engine oil. Failure to use the appropriate specification of engine oil will reduce the life of your engine. Failure to use the correct specification of engine will also reduce the life and the effectiveness of your aftertreatment system.
Table 1
API Classifications for the Industrial Engine
Oil Specification
ECF-3
CK-4
AECA E9
Failure to follow these oil recommendations can cause shortened engine service life due to deposits and/or excessive wear.
Note: API FA-4 oil is designed for use in selected on-highway applications and is NOT designed to support off-road applications, including Caterpillar Engines. DO NOT use API FA-4 oil for Caterpillar engines.Refer to Special Publication, SEBU6251, "Caterpillar Commercial Diesel Engine Fluids Recommendations" for additional information that relates to lubrication for your engine.Lubricant Viscosity Recommendations
The proper SAE viscosity grade of oil is determined by the minimum ambient temperature during cold engine start-up, and the maximum ambient temperature during engine operation.Refer to illustration 1 (minimum temperature) to determine the required oil viscosity for starting a cold engine.Refer to illustration 1 (maximum temperature) to select the oil viscosity for engine operation at the highest ambient temperature that is anticipated.Note: Generally, use the highest oil viscosity that is available to meet the requirement for the temperature at start-up.If ambient temperature conditions at engine start-up require the use of multigrade SAE 0W oil, SAE 0W-40 viscosity grade is preferred.
Illustration 1 g03329687
Supplemental heat is recommended for cold soaked starts below the minimum ambient temperature. Supplemental heat may be required for cold soaked starts that are above the minimum temperature that is stated, depending on the parasitic load and other factors. Cold soaked starts occur when the engine has not been operated for time. This time period will allow the oil to become more viscous due to cooler ambient temperatures.
S O S Oil Analysis
Caterpillar has developed a tool for maintenance management that evaluates oil degradation and the tool also detects the early signs of wear on internal components. The Caterpillar tool for oil analysis is called S O S Oil Analysis and the tool is part of the S O S Services program. S O S Oil Analysis divides oil analysis into three categories:
Wear Analysis
Oil condition
Extra testsThe wear analysis monitors metal particles, some oil additives, and some contaminants.Oil condition uses infrared (IR) analysis to evaluate the chemistry of the oil. Infrared analysis is also used to detect certain types of contamination.Extra tests are used to measure contamination levels from water, fuel, or coolant. Oil viscosity and corrosion protection can be evaluated, as needed.Refer to Special Publication, SEBU6251, "Caterpillar Commercial Diesel Engine Fluids Recommendations" or contact your local Cat dealer for additional information concerning the S O S Oil Analysis program.Lubricating Grease
Caterpillar provides a range of moderate greases to high performance greases to service the entire line of Caterpillar products that operate throughout the wide variety of climates. You will always be able to find a grease that will meet your machines requirements for a certain application. Caterpillar grease products often exceed Caterpillar specifications.Before selecting a grease products for any application, the performance requirements must be determined. Consult the grease recommendations that are made by the OEM for the equipment when the equipment is operated in the expected conditions. Then, consult with your Cat dealer for a list of greases and the following related characteristics.
Performance specifications
Available sizes of containers
Part numbersAlways choose a grease that meets the recommendations that are specified by the equipment manufacturer for the application, or choose a grease that exceeds the recommendations that are specified by the equipment manufacturer for the application.Always choose a grease that meets the requirements of the most demanding application. A product that barely meets the minimum performance requirements will shorten the life of the part. Use the grease that yields the least total operating cost. Base this cost on an analysis that includes the costs of the parts, the labor, the downtime, and the cost of the grease that is used.Some greases are not chemically compatible. Consult your supplier to determine if two or more greases are compatible.Purge the grease from a joint at the following times:
Switching from one grease to another grease
Switching from one supplier to another supplierNote: All Caterpillarbrand name greases are compatible with each other.Note: Refer to Special Publication, SEBU6251, "Caterpillar Commercial Diesel Engine Fluids Recommendations" for additional information that relates to lubrication for your engine.