HOSE 3779016 - Caterpillar

Fuel
Fuel Recommendations
Diesel engines have the ability to burn a wide variety of fuels. These fuels are divided into two general groups. The two groups are called the preferred fuels and the permissible fuels.The preferred fuels provide maximum engine service life and performance. The preferred fuels are distillate fuels. These fuels are commonly called diesel fuel, furnace fuel, gas oil, or kerosene.The permissible fuels are crude oils or blended fuels. Use of these fuels can result in higher maintenance costs and in reduced engine service life.In North America, diesel fuel that is identified as No. 1-D or No. 2-D in "ASTM D975" generally meet the specifications. Diesel fuels from other sources could exhibit detrimental properties that are not defined or controlled by this specification.Refer to Special Publication, SEBU6251, "Caterpillar Commercial Diesel Engine Fluids Recommendations" for additional information that relates to diesel fuel.Cooling System
Coolant Recommendations
Do not use a commercial coolant/antifreeze that only meets the ASTM "D3306" specification. This type of coolant/antifreeze is made for light duty automotive applications.Use only the coolant/antifreeze that is recommended.
The following coolants are the primary types of coolants that are used in Caterpillar Engines:Preferred - Cat ELC (Extended Life Coolant) or a commercial extended life coolant that meets the Caterpillar EC-1 specificationAcceptable - Cat DEAC (Diesel Engine Antifreeze/Coolant) or a commercial heavy-duty coolant/antifreeze that meets "ASTM D4985" or "ASTM D5345" specificationsCaterpillar recommends a 1:1 mixture of water and glycol. This mixture will provide optimum heavy-duty performance as a coolant/antifreeze.Note: Caterpillar DEAC DOES NOT require a treatment with an SCA at the initial fill. Commercial heavy-duty coolant/antifreeze that meets "ASTM D4985" or "ASTM D5345" specifications MAY require a treatment with an SCA at the initial fill. Read the label or the instructions that are provided by the OEM of the product.In stationary engine applications and marine engine applications that do not require protection from boiling or freezing, a mixture of SCA and water is acceptable. Caterpillar recommends a minimum of six percent to a maximum of eight percent SCA concentration in those cooling systems. Distilled water or deionized water is preferred. Water which has the required properties may be used. For the water properties, refer to Table 4:
Table 4
Caterpillar Minimum Acceptable Water Requirements
Property Maximum Limit ASTM Test
Chloride (Cl) 40 mg/L (2.4 grains/US gal) "D512", "D4327"
Sulfate (SO4) 100 mg/L (5.9 grains/US gal) "D516"
Total Hardness 170 mg/L (10 grains/US gal) "D1126"
Total Solids 340 mg/L (20 grains/US gal) "D1888"
Acidity pH of 5.5 to 9.0 "D1293" Note: The service life of coolant is limited by use of service hours. Refer to the specific engine's Operation and Maintenance Manual, "Maintenance Interval Schedule" (Maintenance Section). To achieve this service life, the coolants must be properly maintained. The maintenance program includes S O S coolant analysis.
Table 5
Coolant Service Life
Coolant Type Service Life (1)
Caterpillar ELC Six Years
Caterpillar DEAC Three Years
Commercial Heavy-Duty Coolant/Antifreeze that meets "ASTM D5345" Two Years
Commercial Heavy-Duty Coolant/Antifreeze that meets "ASTM D4985" One Year
Caterpillar SCA and Water Two Years
Commercial SCA and Water One Year
(1) The service life of coolant