I am trying to find a source or sources for specific colors used by manufacturers such as Caterpillar, Mack, Cummings etc. I’m currently building a model of a truck that has a Caterpillar engine. I have found a few pictures of Cat engines, but there seem to be at least two shades of yellow. I just gotta believe that somewhere someone has collected color samples of such things. Any help is welcome.
Have you tried contacting the Cat dealership in your area?