Caterpillar 621B Scraper SLEP, front tires miss matched, rear tires mismatched, all tires good, nice machine, runs & drives, until it ran out of fuel. All hydro working, fluids drained. No keys. Additional deficiencies may exist, the condition of the property is not warranted. See attachment and contact property custodian for additional information. Serial#: 2DB00695 Engine SN: 70V19695 W56HZV0317W117 W56HZV0317W117