Machine description: 0P0720, CAMERA AR-WAVS, CAT CERTIFIED USED, COLD START ATTACHMENT, DOMESTIC TRUCK,TR/SCR COMBINED, Engine, ENGINE,C13,US EPA TIER 4 FINAL, FENDER, SCRAPER, FILMS AR - U.S. (ANSI), NO STORAGE PROTECTIO... more info about the Caterpillar 623K.