Well, post war there are going to be a lot of support vehicle, Ukraine will most likely have a lot of tanks after this war, The US and EU will give what they can to them so around 300-500 Western Tank, that is more than most Western Country.
Ukrainian have had their own armour production capability, it was just destroyed by the war, post war the West will most likely focus on fixing the Ukrainian Weapon production capability instead of keep transferring vehicle, which mean it's more logical to sell them stuff that they can't make, like HIMARS or light utilities vehicle, but will help redevelop Ukrainian company like Kharkiv Tank Factory (forgot the name) and Antonov. Because that would benefit the West too..