The yellow one is an old IH Loadstar. Didn't look like that when it was new. It wasn't offered as a kit. Maybe one of these resin Guru's can help you out if you are in the market. The Pete, like was stated earlier, you can pick up at most hobby stores Gonna have to do some fabricating to make it look like the picture
I built that truck years ago when I was 12. If I'm not to eat up with CRS, I believe it is made to where the single stack version can be made. Little sanding and filling is all you need to do. Have never tried decals, and as far as colors, hopefully soe of those here who have been around trucking since its heyday can help you out!!