9 0 Bedrock 309-1917B Thumb for Caterpillar 303.5 304 Excavators, Mini Excavators Contact for price 2 Teeth Hydraulic Excavator Thumb 309-1917B, fits CAT 303.5 304 Excavator, Features:, 2 Teeth Thumb, One Cylinder 40mm Pin, Fit CAT 303.5 304 and other 40mm Pin Size mini excavator,... ConditionNewFits To EquipmentExcavators, Mini ExcavatorsFits To Make(s)CaterpillarFits To Model(s)303.5 304Stock NumberET40 MLS Number10260118CategoryThumbs Last Updated7/6/2025 LocationIrvine, CA, US Sold ByBedrock Machinery (855) 999-___ SHOWNUMBERCall Seller Email Seller Save More Info