View 2 Photos View 1 Video Cummins ISX15 Engine for a 2014 Kenworth T680 Recently Updated Contact for price ISX15 400HP CPL3937 CM2350 ESN#79679772, RUNS GOOD, NO BLOWBY, WILL INSPECT BEARINGS IN OUR GEARSHOP. 180 DAY WARRANTY., Serial#: 79679772, Horse Power: 400, ARR/CPL: 3937 ConditionUsedCPL/ARR3937Horse Power400 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2014Stock Number40426-5 MLS Number14324317CategoryEngines Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 1 Video Cummins ISX15 Engine for a 2022 Kenworth T680 Recently Updated $16,995 USD X15 450HP ESN#80319887 CM2450 5535 CPL, RUNS GOOD,VERY LITE BLOWBY,WILL CHECK BEARINGS. 180 DAY WARRANTY ON HEAD BLOCK AND CRANK., Serial#: 80319887, Horse Power: 450, ARR/CPL: 5535 ConditionUsedCPL/ARR5535Horse Power450 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2022Stock Number40126-3 MLS Number14286604CategoryEngines Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Cummins ISX15 Engine for a 2021 Kenworth T680 Recently Updated $17,995 USD 5348 X15 450HP CM2450TEST RAN OK, MINOR BLOWBY INSPECT RODS MAINS, 180 DAY WARRANTY ON HEAD, BLOCK CRANKS HARD PARTS ONLY., Serial#: 80276078, Horse Power: 450 ConditionUsedHorse Power450 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2021Stock Number93025-1 MLS Number13864325CategoryEngines Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 1 Video Cummins ISX15 Engine for a 2014 Kenworth T680 Recently Updated $13,995 USD ISX15 450HP CPL3937 CM2350 RUNS GOOD VERY LIGHT BLOWBY, CHECK ROD AND MAIN BEARINGS, 180 DAY WARRANTY BLOCK HEAD CRANK, Serial#: 79675468, Horse Power: 450, ARR/CPL: 3937 ConditionUsedCPL/ARR3937Horse Power450 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2014Part NumberCM2350Stock Number50425-1 MLS Number13576204CategoryEngines Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Cummins ISX15 Engine for a 2016 Kenworth T680 Recently Updated $18,995 USD ISX15 550HP CPL4585 CM2350,RODS MAINS OK, CAM TURBO OK BUIL;D #6543, 180 DAY WARRANTY BLOCK HEAD CRANK, Serial#: 79863566, Horse Power: 550, ARR/CPL: 4585 ConditionUsedCPL/ARR4585Horse Power550 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2016Part NumberCM2350Stock Number32825-1 MLS Number13500579CategoryEngines Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 1 Video Cummins ISX15 Engine for a 2016 Kenworth T680 Recently Updated $17,995 USD ISX15 450 CPL4583 016 T680,WILL TEST RUNS GOOD 11-9-22 CGH ,BEARINGS WILL BE CHECKED 6 MOS WARRANTY BLOCK HEAD CRANK, Serial#: 79855006, Horse Power: 450, ARR/CPL: 4583, Casting#: 79855006 ConditionUsedCPL/ARR4583Horse Power450 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2016Stock Number110622-9 MLS Number11714738CategoryEngines Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2014 Cummins ISX15 Engine for a Kenworth T680 $9,155 USD (USED) Cummins ISX15 Warranty: 180 Day Parts Only Assembly#: CPL3937 Serial#: 79684408 Horsepower: 400 ConditionUsedAssembly NumberCPL3937Fits To Make(s)KenworthFits To Model(s)T680Stock Number25784021 MLS Number13528221CategoryEngines Last Updated5/3/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2016 Cummins ISX15 Engine for a Kenworth T680 $12,205 USD (USED) Cummins ISX15 Warranty: 180 Day Parts Only Assembly#: 4583 Serial#: 79851268 Horsepower: 425 CUMMINS ISX15, JAKES, 425HP, 612561 MILES, 14118 HOURS, BEARINGS INSPECTED ConditionUsedCPL/ARR4583Assembly Number4583Fits To Make(s)KenworthFits To Model(s)T680Stock Number25308978 MLS Number11655510CategoryEngines Last Updated5/6/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2018 Cummins ISX15 Engine for a Kenworth T680 Contact for price X15 CM2350 X116B, 525 HP, S/N 80006239, CPL-4343, CORE Engine In Pieces. ConditionUsedCPL/ARR4343Horse Power525 HPFits To Make(s)KENWORTHFits To Model(s)T680Stock Number1384-1 MLS Number13892309CategoryEngines Last Updated4/29/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2014 Cummins ISX15 Engine for a Kenworth T680 $7,325 USD (USED) Cummins ISX15 Warranty: 180 Day Parts Only Assembly#: 3937 Serial#: 79678563 Horsepower: 400 ConditionUsedAssembly Number3937Fits To Make(s)KenworthFits To Model(s)T680Stock Number25798880 MLS Number13673913CategoryEngines Last Updated4/24/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2015 Cummins ISX15 Engine for a Kenworth T680 $7,325 USD (USED) Cummins ISX15 Warranty: 180 Day Parts Only Assembly#: 3937 Serial#: 79778847 Horsepower: 450 ConditionUsedAssembly Number3937Fits To Make(s)KenworthFits To Model(s)T680Stock Number25547001 MLS Number12458137CategoryEngines Last Updated4/16/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos 2014 Cummins ISX15 Engine for a Kenworth T680 $7,325 USD (USED) Cummins ISX15 Warranty: 180 Day Parts Only Assembly#: CPL 3937 Serial#: 79684806 Horsepower: 425 ConditionUsedAssembly NumberCPL 3937Fits To Make(s)KenworthFits To Model(s)T680Stock Number25760457 MLS Number13430070CategoryEngines Last Updated4/4/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2014 Cummins ISX15 Engine for a Kenworth T680 $6,500 USD (USED) Cummins ISX15 Warranty: As-Is No Warranty Assembly#: 3937 Serial#: 79667870 Horsepower: 400 RUNNING, INSPECTED ENGINE, SOLD AS IS DUE TO HIGHER MILEAGE ConditionUsedAssembly Number3937Fits To Make(s)KenworthFits To Model(s)T680Stock Number25644677 MLS Number12857702CategoryEngines Last Updated4/8/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2014 Cummins ISX15 Engine for a Kenworth T680 $7,499.99 USD Cummins ISX15 Engine 400 HP SN 79704671 CPL 3937, From 2014 Kenworth T680 VIN 1XKYA48X9EJ403151 ConditionUsedUsage891,867 MilesHorse Power400 HPFits To Make(s)KENWORTHFits To Model(s)T680Stock Number147664 MLS Number14149840CategoryEngines Last Updated4/1/2026 LocationOwensboro, KY, US Sold ByWest Side Truck Parts (866) 828-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2016 Cummins ISX15 Engine for a Kenworth T680 $7,325 USD (USED) Cummins ISX15 Warranty: 180 Day Parts Only Assembly#: 4583 Serial#: 79864908 Horsepower: 450 ConditionUsedAssembly Number4583Fits To Make(s)KenworthFits To Model(s)T680Stock Number25445101 MLS Number12118316CategoryEngines Last Updated3/19/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos 2016 Cummins ISX15 Engine for a Kenworth T680 $9,155 USD (USED) Cummins ISX15 Warranty: 180 Day Parts Only Assembly#: 4583 Serial#: 79815171 Horsepower: 450 ConditionUsedAssembly Number4583Fits To Make(s)KenworthFits To Model(s)T680Stock Number25451732 MLS Number12144952CategoryEngines Last Updated3/7/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 2015 Cummins ISX15 Engine for a Kenworth T680 $7,710 USD (USED) Cummins ISX15 Warranty: 180 Day Parts Only Assembly#: 3937 Serial#: 79723880 Horsepower: 450 ConditionUsedAssembly Number3937Fits To Make(s)KenworthFits To Model(s)T680Stock Number25369029 MLS Number11836782CategoryEngines Last Updated11/14/2025 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2016 Cummins ISX15 Engine for a Kenworth T680 Recently Updated $7,325 USD (USED) Cummins ISX15 Warranty: 180 Day Parts Only Assembly#: CPL4583 Serial#: 79857227 Horsepower: 415 ConditionUsedAssembly NumberCPL4583Fits To Make(s)KenworthFits To Model(s)T680Stock Number25932865 MLS Number14123258CategoryEngines Last Updated5/15/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Cummins ISX15 Engine for a 2018 Kenworth T680 Recently Updated Contact for price 2018 KW T680 ISX15, 485 HP CM2350, CPL3938, Serial#: 79715924, Horse Power: 485 HP ConditionUsedHorse Power485 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2018Stock Number3726-KW-5 MLS Number13347672CategoryEngines Last Updated5/13/2026 LocationSTURGEON COUNTY, AB, Canada Sold ByBadger Truck Parts Ltd. (855) 624-___ SHOWNUMBERCall Seller Email Seller Save More Info
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 Updated5/8/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2015 Cummins ISX15 Engine for a Kenworth T680 $9,155 USD (USED) Cummins ISX15 Warranty: 180 Day Parts Only Assembly#: CPL 3937 Serial#: 79785114 Horsepower: 400 ConditionUsedAssembly NumberCPL 3937Fits To Make(s)KenworthFits To Model(s)T680Stock Number25769369 MLS Number13491355CategoryEngines Last Updated5/8/2026 LocationDes Moines, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2014 Cummins ISX15 Engine for a Kenworth T680 $7,325 USD (USED) Cummins ISX15 Warranty: 180 Day Parts Only Assembly#: DCEXH0912XAT Serial#: 79701464 Horsepower: 400 ConditionUsedAssembly NumberDCEXH0912XATFits To Make(s)KenworthFits To Model(s)T680Stock Number25880797 MLS Number13884647CategoryEngines Last Updated4/18/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2015 Cummins ISX15 Engine for a Kenworth T680 Contact for price NEEDS TO BE RUN ConditionUsedCPL/ARR3938Fits To Make(s)KENWORTHFits To Model(s)T680Stock Number19954 MLS Number14287687CategoryEngines Last Updated4/4/2026 LocationEnfield, CT, US Sold ByCamerota Truck Parts (855) 750-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2016 Cummins ISX15 Engine for a Kenworth T680 $7,325 USD (USED) Cummins ISX15 Warranty: 180 Day Parts Only Assembly#: 3937 Serial#: 79802218 Horsepower: 450 ConditionUsedAssembly Number3937Fits To Make(s)KenworthFits To Model(s)T680Stock Number25936009 MLS Number14131485CategoryEngines Last Updated3/8/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2016 Cummins ISX15 Engine for a Kenworth T680 $7,325 USD (USED) Cummins ISX15 Warranty: 180 Day Parts Only Assembly#: FCEXH0912XAT Serial#: 79875596 Horsepower: 400 ConditionUsedAssembly NumberFCEXH0912XATFits To Make(s)KenworthFits To Model(s)T680Stock Number25902593 MLS Number14001074CategoryEngines Last Updated11/26/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info