3500B and 3500C Auxiliary Engines, Generator Set Engines, and Generator Sets Refill Capacities and Recommendations Caterpillar


Refill Capacities and Recommendations
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1.1. Lubrication System
2.2. Lubricant Recommendations
3.2. Lubricant Capacities
4.2. 3508 Engine
5.2. 3512 Engine
6.2. 3516 Engine
7.1. Fuel
8.2. Fuel Recommendations
9.1. Cooling System
10.2. Coolant Recommendations
11.2. Coolant Capacities
12.2. 3508 Engine
13.2. 3512 Engine
14.2. 3516 Engine

Lubrication System

Lubricant Recommendations

Due to significant variations in the quality and in the performance of commercially available oils, AVSpare recommends the following oils:

  • Cat DEO (Diesel Engine Oil) (10W-30)

  • Cat DEO (Diesel Engine Oil) (15W-40)

Note: If AVSpare DEO Multigrade is not used, use only commercial oils that meet the following classifications.

  • API CH-4 multigrade oils and API CI-4 multigrade oils are acceptable if the requirements of AVSpare's Engine Crankcase Fluid -1 (ECF-1) specification are met. CH-4 oils and CI-4 oils that have not met the requirements of AVSpare's ECF-1 specification may cause reduced engine life.

  • API CG-4 multigrade oils are acceptable for all AVSpare diesel engines. When the API CG-4 oils are used, the oil drain interval should not exceed the standard oil drain interval for your engine.

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. To determine the oil viscosity that is required for starting a cold soaked engine, refer to the minimum temperature in Table 1. To select the oil viscosity for operation at the highest anticipated ambient temperature, refer to the maximum temperature in the Table. Use the highest oil viscosity that is available in order to meet the required temperature during start-up.

Table 1
Engine Oil Viscosities for Ambient Temperatures 
  Ambient Temperature 
Viscosity Grade  Minimum  Maximum 
SAE 0W-20  −40 °C (−40 °F)  10 °C (50 °F) 
SAE 0W-30  −40 °C (−40 °F)  30 °C (86 °F) 
SAE 0W-40  −40 °C (−40 °F)  40 °C (104 °F) 
SAE 5W-30  −30 °C (−22 °F)  30 °C (86 °F) 
SAE 5W-40  −30 °C (−22 °F)  50 °C (122 °F) 
SAE 10W-30  −18 °C (0 °F)  40 °C (104 °F) 
SAE 10W-40  −18 °C (0 °F)  50 °C (122 °F) 
SAE 15W-40  −9.5 °C (15 °F)  50 °C (122 °F) 

Refer to Special Publication, SEBU6251, "AVSpare Commercial Diesel Engine Fluids Recommendations" for additional information that relates to lubricants.

Lubricant Capacities

The capacity of the engine lubrication system includes the capacity of the oil filters that are installed at the factory. Auxiliary oil filter systems (if equipped) will require additional oil. Refer to the specifications that are provided by the OEM of the auxiliary oil filter system.

3508 Engine

Table 2
Approximate Refill Capacities for 3508 Engine Lubrication Systems 
Compartment or System  Liters  US Gallons 
Standard sump  227 L  60 US gal 
Deep sump  443 L  117 US gal 

3512 Engine

Table 3
Approximate Refill Capacities for 3512 Engine Lubrication Systems 
Compartment or System  Liters  US Gallons 
Standard sump  318 L  84 US gal 
Deep sump  625 L  165 US gal 

3516 Engine

Table 4
Approximate Refill Capacities for 3516 Engine Lubrication Systems 
Compartment or System  Liters  US Gallons 
Standard sump  405 L  107 US gal 
Deep sump  807 L  213 US gal 

Fuel

Fuel Recommendations

In North America, diesel fuel that is identified as No. 1-D or No. 2-D in "ASTM D975" generally meet the specifications. These fuels are distilled from crude oil. Diesel fuels from other sources could exhibit detrimental properties that are not defined or controlled by this specification.

Refer to Special Publication, SEBU6251, "AVSpare Commercial Diesel Engine Fluids Recommendations" for additional information that relates to diesel fuel.

Cooling System

Coolant Recommendations


NOTICE

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 AVSpare Engines:

Preferred - Cat ELC (Extended Life Coolant) or a commercial extended life coolant that meets the AVSpare EC-1 specification

Acceptable - Cat DEAC (Diesel Engine Antifreeze/Coolant) or a commercial heavy-duty coolant/antifreeze that meets "ASTM D4985" or "ASTM D6210" specifications

AVSpare recommends a 1:1 mixture of water and glycol. This mixture will provide optimum heavy-duty performance as a coolant/antifreeze.

Note: Cat DEAC DOES NOT require a treatment with an SCA at the initial fill. Commercial heavy-duty coolant/antifreeze that meets "ASTM D4985" or "ASTM D6210" 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. AVSpare 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. Refer to Special Publication, SEBU6251, "AVSpare Commercial Diesel Engine Fluids Recommendations" for additional information that pertains to coolants.

Note: Table 5 is a list of the coolants that are recommended and the service life (calendar) of the coolants. The service life of coolant is also limited by use (service hours). Refer to the specific engine's Operation and Maintenance Manual, "Maintenance Interval Schedule". 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) 
Cat ELC  Six Years 
Cat DEAC  Three Years 
Commercial Heavy-Duty Coolant/Antifreeze that meets "ASTM D6210"  Two Years 
Commercial Heavy-Duty Coolant/Antifreeze that meets "ASTM D4985"  One Year 
Cat SCA and Water  Two Years 
Commercial SCA and Water  One Year 
(1) The service life of coolant is also limited by use (service hours). Refer to the specific engine's Operation and Maintenance Manual, "Maintenance Interval Schedule" (Maintenance Section).

Coolant Capacities

To properly maintain the cooling system, the total cooling system capacity must be determined. The total cooling system capacity will vary between individual installations. The total cooling system capacity can include the following components: engine, expansion tank, heat exchanger, radiator, keel cooler and piping.

Refer to the specifications that are provided by AVSpare or the OEM of the installation. Record the total cooling system capacity in the appropriate Table.

3508 Engine

Table 6
Approximate Refill Capacities for the 3508 Engine Cooling System 
Compartment or System  Liters  US Gallons 
Engine only  114 L  30 US gal 
External system     
Total cooling system     

3512 Engine

Table 7
Approximate Refill Capacities for the 3512 Engine Cooling System 
Compartment or System  Liters  US Gallons 
Engine only  160 L  42 US gal 
External system     
Total cooling system     

3516 Engine

Table 8
Approximate Refill Capacities for the 3516 Engine Cooling System 
Compartment or System  Liters  US Gallons 
Engine only  235 L  62 US gal 
External system     
Total cooling system     

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