Adds an equipment grid to any base or modded vehicle without grid. Car: 8x5 | Tanks: 6x5 | Locomotives: 6x4 | Wagons: 6x3 | Artillery Wagons: 6x3
Vehicle Grid has startup settings to pick grid sizes per vehicle type for half a year now. If you want some specific size supported start a thread in it's discussion.
Oh, I wasn't aware of that.