I haven't read all 227+ pages here. I have had a typical fascination with mainly WW2 tanks for over 5 decades, spent 5 days at Normandy, visited a doz? War museums around the world, and read a lot online.
But I discovered something today I have yet to see discussed online ever, that puzzled me, and I found that I thought was interesting, resolving and worth sharing explanation:
Bore evacuator - Wikipedia
So, was that front rubber tired axled steerable and or driven, or where they just effectively casters that followed the half-track inputs?
I suspect in the Desert in Combat, gasoline is as equally important as water, but an enemy round piercing a water tank would not turn one into riding on a 4 wheeled Molotov cocktail.