Great Dane excavating co.

[9W Monighan]

Originally Posted by ihbuilder

OK when did they change they're yellow again I notice 2 shades at Cat Monday but didn't think to ask .

Originally Caterpillars were painted Gray up to the end of 1931 Then changed to "Hi-Way Yellow" December 1931 making them more visible on construction jobs.
Cat changed the old "Hi-Way Yellow" to the new present day gloss yellow between 1979-1984.
Main reason for was the old yellow had a high lead content which is now banned. The old paint lasted longer because of the lead though. I have restored several old Cats from the 30's that still retained the gray or yellow paint.