Caterpillar 621B Scraper Older tires, right front tire has split in side wall, low air, runs & drives. No keys. Additional deficiencies may exist, the condition of the property is not warranted. See attachment and contact property custodian for additional information. Serial#: 2DB00869 Engine SN: 70V20643 W56HZV0317W128 W56HZV0317W128