View 0 Photos View 0 Videos 2004 John Deere 850C Hydraulic Valve $1,750 USD (USED) John Deere 850C Spools: - Part#: - Type: MAIN CONTROL VALVE Ref# AT193843 ConditionUsedFits To Make(s)John DeereFits To Model(s)850CPart NumberAT193843Stock Number25975655 MLS Number14304579CategoryHydraulic Valves (Equipment) Last Updated4/16/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info