need Cat 12, 120 Motor grader spec info

[snoman55]

I'm looking for info on old graders, need one for a dirt race track and wondering the difference between 12 and 120g is there a good web site to get all the specs

[whodom]

Snoman,

For info on Caterpillar machines, try the ACME board at:
http://www.antiquecaterpillar.net/

or the ACMOC board at:

http://www.acmoc.org/

[Euclid]

I operated a 12 D or G that was a 1969 model PTO operated and it was a good unit but not as easy to operate as the hydraulic operated machinces.