Need help ID'ing these tires. They look like they're BF Goodrich All Terrain TAs - but I need the size

Thanks

 

Looks like they are 285/55r20s.
Here's the article: Chicago 2008: HUMMER H3T makes unceremonious debut - Autoblog
Here's a pic of the tires:


They do look like BFG KOs.

The BFG KOs are too old at this point, though. They do make the KO2 in that size. They also make a 285/65r20 if you want a 34.5" tire instead of a 32.8" tire.

 

Thanks a ton SyntheticKiller - I'll post pics when I'm done - big help!