Coolant

COOLING SYSTEM

BASE RADIATOR
Without aux rear heat 20.6 quarts (19.5 liters)
With aux rear heat 23.2 quarts (22.0 liters)

HEAVY DUTY TRAILER TOW RADIATOR
Without aux rear heat 21.1 quarts (20.0 liters)
With aux rear heat 23.8 quarts (22.5 liters)