4 0 Mack CRD93 Rear Differential $1,100 USD Good used Mack CRD93 rear, rear differential assembly with T-Bolt Case w/studs. 4.17 ratio. 90 day guarantee for swap or refund ConditionUsedRear End4.17 ratioFits To Make(s)MACKFits To Model(s)CRD93Stock NumberRyd CRD93/4.17/17 T MLS Number13585360CategoryDifferentials, Rear Last Updated7/30/2025 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info