12 0 Meritor-Rockwell RD20-145, RR20-145 Rear Differential for a 2018 Kenworth T680 Contact for price (Used) 2018 Kenworth T680, COMPLETE REAR DIFFERENTIAL GEARS ONLY- Part Number: C05-61100U896101632, Serial Number: F0R04215310, Make: Meritor: Model: RD20-145/RR20-145, Ratio: 3.21, ... ConditionUsedRear End3.21 ratioFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2018Part NumberC05-61100U896101632Stock NumberP-106287 MLS Number13679762CategoryDifferentials, Rear Last Updated7/2/2025 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info