TUBE ASSEM. 1V9021 - Caterpillar

Lubrication System
The capacity of the Engine Crankcase includes the capacity of the oil filters that are installed at the factory. Auxiliary oil filter systems (if equipped) will require additional oil.For the recommended oil, refer to this Operation and Maintenance Manual, "Engine Oil" topic (Maintenance Section).
Table 1
Approximate Refill Capacity for the G3406 Engine Lubrication System
Compartment or System Liters US Gallons
Engine Crankcase (1) 76 20
(1) This is the approximate capacity of the engine crankcase sump. Engines with auxiliary oil filters will require additional oil.Capacities of Auxiliary Oil Filter Systems
Table 2
Approximate Capacities for Auxiliary Oil Filter Systems
Auxiliary Oil Filter System Capacity With Elements Capacity Without Elements
4P-2781 Oil Filter Assembly 87 L (23 US gal) 110 L (29 US gal) Cooling System
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 External System capacity can include the following components: engine, expansion tank, heat exchanger, radiator and piping. Refer to the specifications that are provided by Caterpillar or by the OEM of the equipment. Record the Total Cooling System capacity in the appropriate Table.For the recommended coolant, refer to this Operation and Maintenance Manual, "Coolant Recommendations" (Maintenance Section).
Table 3
Approximate Refill Capacities for the G3406 Engine Cooling System
Compartment or System Liters US Gallons
Jacket Water System Only 32 8
SCAC System Only 6.5 2