3 0 2022 Detroit RS20.0-4 Rear Differential for a Freightliner M2 106 $945 USD (USED) Detroit RS20.0-4 Ratio: 5.22 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813511005 ConditionUsedFits To Make(s)FreightlinerFits To Model(s)M2 106Stock Number25796290 MLS Number13604683CategoryDifferentials, Rear Last Updated6/28/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info