Coolant

Engine Coolant

BASE RADIATOR
Without aux rear heat 16.4 quarts (15.5 liters)
With aux rear heat 19.0 quarts (18.0 liters)

HEAVY DUTY TRAILER TOW RADIATOR
Without aux rear heat 16.9 quarts (16.0 liters)
With aux rear heat 19.5 quarts (18.5 liters)