#4 is Bob Pearce. Chico CA
#8 belongs to Glen Ghilotti, Petaluma, Ca. I'll get the serial # for you tomorrow. 1929
The last one, The yellow one is 5504-A Belongs to Brian McCloud Lodi, CA.
Number 7 belongs to Rick Gerbo of Truckee California. It is a logger model with the 6 bolt track shoes, and a winch on back. Caterpillarman
#8 is a PA 5534 belongs to glen as stated above
Thanks for all your help so far everyone!
Best wishes
David
#6 is owned by Bouris Ranches, and I've also seen it at Tulare, but frustratingly failed to note the serial no. at either event (or their Cat 30 for that matter). It is marked on the information sheet on the radiator of the tractor, but unfortunately I can't read it on my photo. Did anyone else photograph the Bouris tractors, and can read the info sheets?
Best wishes
David