double stack height

Hi all, could someone who has these cars take a measurement for me? How tall are the double stack well cars? Loaded of course! Or if someone could think of a taller modern car type please let me know. Currently my tallest is My 200 ton wreck crane at 2 5/8", even taller than the high cubes I have.

Thanks,

Matt

Current double stack cars are 20-3, with clearances of 20-6, with a goal of going to 22-0, IIRC.

KL