There are several different makes and models of fire truck, and the amount of fuel they carry varies greatly between models. You'd have to be a bit more specific about what make and model the truck is - or at least what the make and model of the chassis it's built on is - before this question could be answered.
It can hold about 13 gallons
How many gallons does the fuel tank of the 2007 Toyota Camry hold?
12 gallons.
Fuel capacity is 14.3 gallons.
20 gallons
20 gallons.
16 gallons
Seventeen gallons.
16 gallons
Assuming you mean gallons of fuel, it holds 17.1 US gallons of fuel.
Assuming you are asking about gallons of fuel, it holds 17 gallons of fuel.
Normal planes have 2,000 gallons of fuel on hand.