Already done. Was actually quite an easy change. The only issue is then infantry can stand inside of them which looks really funny, but worth it for sure.
Brilliant
I played a couple more games. And ran a couple of numbers regarding things I observed.
I can see USF having problems due to the new teching and the cost of teching. At the moment they pay more to get out a sherman than ost does for a p4. I also don't see the reason for the triple (quadruple considering the fix to wipes) nerf to the sherman, a unit that was always inferior to the p4 (except for the cheesy wipe with explosive rounds, which is now fixed). The performance delta to me seems far greater than the cost delta of now only 5 fuel, disregarding the higher teching costs for the sherman.
The m20 also feels like it is in the wrong tier, it doesn't have the potential to impact the game considering how late it arrives. It is also 20 fuel more expensive to field than a 222. The counter, which is just flat out better at everything, will hit the field before the m20. Add to that the non doctrinal access to mines and it's purpose or role seems overall very questionable.
My suggestion would be, if you do not want the m20 in t2, to replace it with a mine laying m8. Miragefla did have a version that performed okay, unlike the one in coh2.
Would probably overlap too much with the stuart.
What also struck me as weird was the introduction of assault engineers as a standard unit. Why not enable REs to lay mines or just removing REs? There are now 2 units with basically the same task, but one being superior than the other.
I certainly need a lot more games, but I had no issue getting my p4 out before the sherman hit the field. Even worse if USF goes for a stuart. On maps like langre the problem is even more severe since trying to cut off the fuel can be rather difficult.
Relic Entertainment
cblanco ★ 
