Lots of Mack AB and ACs. See more.... http://www.bigdoer.com/2047/old-things/unrestored-trucks-pioneer-acres-museum-irricana/
Very nice!! Any more?
Yes, I'll post more. There are lots of restored examples that are really interesting.
It's amazing to me how thin they made the tires back then. The truck in the second picture appears to have solid rubber tires