3 0 Mack CRD113 Rear Differential for a 2000 Mack RD688SX $2,299.99 USD (Used) 2000 Mack RD688SX, COMPLETE REAR DIFFERENTIAL GEARS ONLY- Make: Mack, Front Axles: CRD113, Ratio: 4.64 Hub Bolts: 6 Brake Type: Drum, For more information about this item, give us a... ConditionUsedRear End4.64 ratioFits To Make(s)MackFits To Model(s)RD688SXWill Fit Year(s)2000Stock NumberP-46386 MLS Number12019984CategoryDifferentials, Rear Last Updated12/18/2023 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info