Caterpillar 621B Scraper left engine cover panel missing, front tires miss matched, newer rear tires, rusty machine, runs & drives, all hydro working. No keys. Additional deficiencies may exist, the condition of the property is not warranted. See attachment and contact property custodian for additional information. Serial#: 2DB00677 Engine SN: 70V19764 W56HZV0317W113 W56HZV0317W113