View 16 Photos View 0 Videos Eaton-Fuller FO6406BDM3 Transmission , Automated 6 Speed Automated w/ Shift Pump Motor Part # A-7856 $2,750 USD (GOOD USED INSPECTED w/ NO CORE CHARGE) Eaton/Fuller FO-6406B DM3 Transmission For Sale, 6 Speed Automated Transmission w/ Shift Pump Motor Part # A-7856, DB243, FO6406B DM3, Casting #... ConditionUsedTransmission6 SpeedPart NumberA-7856, DB243Stock Number9873 MLS Number14044567CategoryTransmissions Last Updated12/16/2025 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info