View 2 Photos View 1 Video Cummins ISX15 Engine for a 2014 Kenworth T680 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 $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 2 Photos View 1 Video Cummins ISX15 Engine for a 2014 Kenworth T680 $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 $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 4 Photos View 1 Video Cummins ISX15 Engine for a 2020 Kenworth T680 $17,995 USD X15 500HP CPL4342 CM2350 RUNS OK VERY LIGHT BLOWBY, NEW ROD AND MAIN BEARINGS, 180 DAY WARRANTY BLOCK HEAD CRANK/ NOTES, Serial#: 80221646, Horse Power: 500, ARR/CPL: 4342 ConditionUsedCPL/ARR4342Horse Power500 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2020Part NumberCM2350Stock Number31225-2 MLS Number13488929CategoryEngines 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 2019 Kenworth T680 $16,995 USD X15 450HP CPL4342 CM2350 RUNS GOOD LIGHT BLOWBY, CHECK ROD AND MAIN BEARINGS, 180 DAY WARRANTY BLOCK HEAD CRANK, Serial#: 80033973, Horse Power: 450, ARR/CPL: 4342 ConditionUsedCPL/ARR4342Horse Power450 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2019Part NumberCM2350Stock Number100224-1 MLS Number13175855CategoryEngines Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins ISX15 Engine for a 2017 Kenworth T680 $15,995 USD ISX15 450HP CM2350 RUNS GOOD NO BLOWBY, CHECK ROD AND MAIN BEARINGS, 180 DAY WARRANTY BLOCK HEAD CRANK, Serial#: 79924641, Horse Power: 450, ARR/CPL: 4586 ConditionUsedCPL/ARR4586Horse Power450 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2017Part NumberCM2350Stock Number53124-1 MLS Number12905517CategoryEngines Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 1 Video Cummins ISX15 Engine for a 2017 Kenworth T680 $17,995 USD ISX15 400HP CM2350 RUNS GOOD LIGHT BLOWBY, CHECK ROD AND MAIN BEARINGS, 180 DAY WARRANTY BLOCK HEAD CRANK, Serial#: 79861600, Horse Power: 400, ARR/CPL: 4583 ConditionUsedCPL/ARR4583Horse Power400 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2017Part NumberCM2350Stock Number22324-1 MLS Number12721117CategoryEngines 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 2017 Kenworth T680 $18,995 USD ISX15 450HP RUNS OK NO BLOWBY, CHECK ROD AND MAINS. 180 DAY WARRANTY ON HEAD/BLOCK/CRANK., Serial#: 79924883, Horse Power: 450, ARR/CPL: CPL4586 ConditionUsedCPL/ARRCPL4586Horse Power450 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2017Stock Number82023-1 MLS Number12257297CategoryEngines Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ 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 3 Photos View 0 Videos 2020 Cummins X15 Engine for a Kenworth T680 $17,250 USD GOOD RUNNING TAKE OUT 120 DAY WARRANTY ConditionUsedHorse Power450 HPFits To Make(s)KENWORTHFits To Model(s)T680Stock Number28162 MLS Number13759156CategoryEngines Last Updated12/15/2025 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2020 Cummins X15 Engine for a Kenworth T680 $17,250 USD ENGINE RUNS WELL AND HOLDS GOOD OIL PRESSURE/120 DAY WARRANTY ON ALL MAJOR CASTING PARTS ConditionUsedHorse Power500 HPFits To Make(s)KENWORTHFits To Model(s)T680Stock Number27894 MLS Number13440400CategoryEngines Last Updated12/15/2025 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2016 Cummins ISX15 Engine for a Kenworth T680 $9,155 USD (USED) Cummins ISX15 Warranty: 180 Day Parts Only Assembly#: CPL# 4583 Serial#: 79857230 Horsepower: 400 ConditionUsedAssembly NumberCPL# 4583Fits To Make(s)KenworthFits To Model(s)T680Stock Number25986076 MLS Number14394165CategoryEngines Last Updated5/28/2026 LocationDes Moines, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2015 Cummins ISX15 Engine for a Kenworth T680 $9,155 USD (USED) Cummins ISX15 Warranty: 180 Day Parts Only Assembly#: 3937 Serial#: 79788270 Horsepower: 400 ConditionUsedAssembly Number3937Fits To Make(s)KenworthFits To Model(s)T680Stock Number25950774 MLS Number14388833CategoryEngines Last Updated5/24/2026 LocationSpencer, 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 $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 X15 Engine for a 2020 Kenworth T680 Contact for price X15 400HP CPL 4342 CM2350 PENDING INSPECTION/ WILL TEST RUN, INSPECT ROD AND MAIN BEARINGS/ 180 DAY WARRANTY ON HEAD BLOCK AND CRANK/ NOTES, Serial#: 80146935, Core Charge: 5000, Horse Power... ConditionUsedCPL/ARR4342Horse Power400 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2020Part NumberCM2350Stock Number10525-4 MLS Number13355880CategoryEngines Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2017 Cummins ISX12 G Engine for a Kenworth T680 Contact for price Cummins ISX12G, 400 HP, CM2180 EJ, CPL- 3647, S/N-75053247 ConditionUsedFits To Make(s)KENWORTHFits To Model(s)T680Stock Numberups-279079-1 MLS Number14358989CategoryEngines Last Updated5/9/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ 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 2017 Cummins ISX12 G Engine for a Kenworth T680 $5,940 USD Cummins ISX 12G, 400 HP, S/N 75052712, CPL 3647, CM2180 EJ ConditionUsedCPL/ARR3647Horse Power400 HPFits To Make(s)KENWORTHFits To Model(s)T680Stock NumberUPS-279000-1 MLS Number13904333CategoryEngines Last Updated4/15/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ 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