View 7 Photos View 0 Videos Cummins ISX12 Engine for a 2016 Kenworth T680 Contact for price (Used) 2015 Cummins ISX12 G, ENGINE ASSEMBLY- Family Number: FCEXH0729XBA, Displacement: 11.9L, Horsepower: 400, Ar.No./CPL: 3647, ESN: 75044906, Part Number: E6E0CH9F6P666C6664, ECS: HO2S,... ConditionUsedCPL/ARR3647Horse Power400 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2016Part NumberE6E0CH9F6P666C6664Stock NumberP-510416 MLS Number14519768CategoryEngines Last Updated8/2/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info