I would think it depends on the engine supplier. I am guessing CAT, MTU, MAN, Cummins, Volvo and other potential engine makers source a variety cooling systems. Perhaps their websites offer some info about your topic.Do you experts know the "Cooling system Suppliers" (mainly for cooling engine)of these Wheeled armored vehicle?
1.ARMA
2.AV8
3.Boxer
4.BTR-4
5.BTR-82A
6.Pandur II
7.Patria AMV
8.Piranha V
9.Stryker
10.Terrex
I appreciate that you can answer this question.