View 0 Photos View 0 Videos 2014 Cummins ISX15 Engine for a Kenworth T680 $9,155 USD (USED) Cummins ISX15 Warranty: 180 Day Parts Only Assembly#: CPL 3937 Serial#: 79679481 Horsepower: 400 BEARINGS REPLACED 2/20/2026 ConditionUsedAssembly NumberCPL 3937Fits To Make(s)KenworthFits To Model(s)T680Stock Number25954809 MLS Number14194529CategoryEngines Last Updated6/14/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info