When I drove my 32 foot TC2000 front engine bus home with 4500 pounds of cement bags behind the rear axle, I had no nose dive.
Empty she dove her nose into every hole. Terrible ride.
So, IMO any front engine cab over bus should have most of the weight behind the rear axle.
"Don't argue with stupid people. They will just drag you down to their level, and beat you up with experience."
Patently waiting for the apocalypses to level the playing field in this physiological game of life commonly known as Civilization