0 0 1991 Mack CRDPC92 Front Differential for a Mack RD600 Recently Updated $1,925 USD (USED) Mack CRDPC92 Ratio: 5.55 Side Gear Splines: 17 W/ Locker: NO Cast#: 64KH5104 ConditionUsedFits To Make(s)MackFits To Model(s)RD600Stock Number25875989 MLS Number13911999CategoryDifferentials, Front Last Updated11/16/2025 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info