6 0 Paccar 40K Rear Differential for a 2020 Kenworth T680 Contact for price (Used) 2020 Kenworth T680, COMPLETE REAR DIFFERENTIAL GEARS ONLY- Part Number: C7-1A01A0000CA2L20, Serial Number: F0R05715865, Make: Paccar, Model: 40K, Ratio: 2.79, Capacity: 19,000 Lbs,... ConditionUsedRear End2.79 ratioFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2020Part NumberC7-1A01A0000CA2L20Stock NumberP-111220 MLS Number13821072CategoryDifferentials, Rear Last Updated9/18/2025 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info