Note: If you use your vehicle regularly above
the altitude of 5,000 ft (1,524 m) and under
the temperature of -4.0°F (-20°C), it is
recommended to use the alternative engine
oil.
COOLING SYSTEM CAPACITY
AND SPECIFICATION - 6.7L
DIESEL
Use coolant that meets the defined
specification.
If you do not use coolant that meets the
defined specification, it could result in:
• Component damage that your vehicle
warranty does not cover.
• Longer engine cranking periods.
• Reduced vehicle performance.
Note: We recommend an engine block
heater at temperatures below –10°F
(–23°C).
Capacities
QuantityVariant
36.4 qt (34.42 L)Primary cooling system.
15.5 qt (14.64 L)Secondary cooling system.
300
2025 F-650/750 (TBC) , enUSA, Edition date: 202310, First-Printing
Capacities and Specifications