LINK 4V8521 - Caterpillar

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 more oil. Refer to the specifications that are provided by the OEM of the auxiliary oil filter system.
Table 1
C175-16 Engine Oil Refill Capacities
With oil filter change 530 L (140 US gal)
Without oil filter change 500 L (132 US gal)
Factory fill 598 L (158 US gal)
Volume between "ADD" and "Full" marks on the engine oil level gauge (dipstick). 94.6 L (25 US gal) Coolant Capacities
To 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 (if equipped): engine, expansion tank, heat exchanger, radiator, piping, and other cooling system parts.Cooling system capacities will be determined by the OEM of the installation. Record total cooling system capacities.