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.
• Reduced vehicle performance.
Note: An engine block heater is
recommended at temperatures below-9°F
(-23°C).
Capacities
QuantityVariant
31.7 qt (30 L)Primary cooling system.
33.3 qt (31.5 L)Primary cooling system with auxiliary radi-
ator.
8.2 qt (7.8 L)Secondary cooling system with urea
injector cooling.
10.0 qt (9.5 L)Secondary cooling system with urea
injector cooling and cooled compressor.
532
2023 Super Duty (TFH) Canada/United States of America, enUSA, Edition date: 202211, DOM
Capacities and Specifications