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 4 Photos View 1 Video Cummins ISX15 Engine for a 2020 Kenworth T680 Recently Updated $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 Recently Updated $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 Recently Updated $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 Recently Updated $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 Recently Updated $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 1 Photo View 1 Video Cummins ISX Engine for a 2023 Kenworth T680 Recently Updated $29,995 USD LOW MILE CM2450 X15 CPL 5881 500HP. RUNS GOOD NO BLOWBY, ROD AND MAIN BEARINGS WILL BE INSPECTED. 180 DAY HEAD BLOCK AND CRANK WARRANTY,149K MILES, Serial#: ISX, Core Charge: 5000, Horse... ConditionUsedCPL/ARR5881Horse Power500 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2023Part NumberX15Stock Number60923-1 MLS Number12128628CategoryEngines 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 2017 Kenworth T680 Recently Updated $18,995 USD ISX15 525HP 4588 CPL. HEAD LOOKS RECENT. WILL BE TEST RUN 6 MOS HEAD BLOCK,CRANK WARRANTY,ENGINE HAS NEW HEAD,WE ARE GETTING MAINTENANCE HISTORY, Serial#: 79903191, Horse Power: 525, ARR/CPL... ConditionUsedCPL/ARR4588Horse Power525 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2017Stock Number91222-11 MLS Number11661225CategoryEngines 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 ISX Engine for a 2016 Kenworth T680 Recently Updated $14,995 USD ISX15 450HP TEST RUN,BEARINGS CHECKED, 6 MOS WARRANTY, Serial#: 79858116, Horse Power: 450, ARR/CPL: 4583, Casting#: 79858116 ConditionUsedCPL/ARR4583Horse Power450 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2016Stock Number50120-12 MLS Number10195064CategoryEngines Last Updated5/14/2026 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 2021 Kenworth T680 Recently Updated Contact for price GOOD ENGINE LAST RAN 1/20/26, Serial#: 80347030, Horse Power: 500, ARR/CPL: 5779 ConditionUsedCPL/ARR5779Horse Power500 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2021Stock Number493397-1 MLS Number14101133CategoryEngines Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 1 Video Cummins ISX15 Engine for a 2021 Kenworth T680 Recently Updated Contact for price GOOD ENGINE, Serial#: 80325713, Horse Power: 500, ARR/CPL: 5535 ConditionUsedCPL/ARR5535Horse Power500 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2021Stock Number491538-1 MLS Number13618946CategoryEngines Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 1 Video Paccar MX-13 Engine for a 2023 Kenworth T680 $20,499.99 USD (Used) 2022 Paccar MX-13, ENGINE ASSEMBLY- Family Number: NPCRH12.9C21, Displacement: 12.9L, Horsepower: 483, Serial Number: Y273191, Part Number: TBD, E.C.S.: DDI, TC, CAC, ECM, EGR-C, OC... ConditionUsedHorse Power483 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2023Part NumberTBDStock NumberP-104532 MLS Number13642767CategoryEngines Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Paccar MX-13 Engine for a 2020 Kenworth T680 $14,999.99 USD (Used) 2019 PACCAR MX-13, ENGINE ASSEMBLY - Family Number: KPCRH12.9M01, Displacement: 12.9L, Horsepower: 485, Serial Number: Y202501, Part Number: 2176233, E.C.S:... ConditionUsedHorse Power485 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2020Part Number2176233Stock NumberP-84513 MLS Number13012145CategoryEngines Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Paccar MX-13 Engine for a 2016 Kenworth T680 $14,494.99 USD (Core) Defective 2015 PACCAR MX-13 ENGINE ASSEMBLY- Family Number: FPCRH12.9M01, Displacement: 12.9L, Horsepower:455, Serial Number: Y077721, E.C.S: DDI, TC, CAC, ECM, EGR-C, OC, SCR-U, PTOX... ConditionUsedCPL/ARREPA13Horse Power455 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2016Part NumberFPCRH12.9M01Stock NumberP-49753 MLS Number12101721CategoryEngines Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Cummins ISX15 Engine for a 2016 Kenworth T680 $13,999.99 USD (Core) Engine does not Turn 360 Degrees Complete 2015 Cummins ISX15, ENGINE ASSEMBLY- Part Number: E6P8F3767L769B7974, Family Number: FCEXH0912XAT, Displacement: 15L, Horsepower: 450, Serial... ConditionUsedCPL/ARR4583Horse Power450 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2016Part NumberE6P8F3767L769B7974Stock NumberP-41239 MLS Number11918027CategoryEngines Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Paccar MX-13 Engine for a 2019 Kenworth T680 $13,998.98 USD (Used) 2018 PACCAR MX-13, ENGINE ASSEMBLY- REMANUFACTURED BY PACCAR!! Date Remanufactured: 01/2021, Replacement Cylinder Block No: Z007070, Family Number: JPCRH12.9M01, Displacement: 12.9L,... ConditionUsedHorse Power455 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2019Part Number2148353Stock NumberP-113748 MLS Number13974362CategoryEngines Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Cummins ISX12N Engine for a 2021 Kenworth T680 $13,499.99 USD (Used) 2020 Cummins ISX12N, ENGINE ASSEMBLY- Family Number: LCEXH0729XBC, Displacement: 11.9L, Horsepower: 400, Ar.No./CPL: 4875, ESN: 75086869, Part Number: E6EEK19KHD6DBG6B66, E.C.S.:... ConditionUsedCPL/ARR4875Horse Power400 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2021Part NumberE6EEK19KHD6DBG6B66Stock NumberP-95550 MLS Number13351898CategoryEngines Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos Cummins ISX15 Engine for a 2014 Kenworth T680 $11,499.99 USD (Used) 2013 Cummins ISX15 ENGINE ASSEMBLY- Family Number: GCEXH0912XAT, Displacement: 15L, Horsepower: 450 Part Number: 8F0A9993 ESN: 79935807 CPL: 4686 E.C.S.: EGR, PTOX, SCRC, For more... ConditionUsedCPL/ARR3719Horse Power450 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2014Part NumberGCEXH0912XPStock NumberP-27341 MLS Number11117446CategoryEngines Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos Paccar MX-13 Engine for a 2014 Kenworth T680 $8,994.98 USD (Used) 2013 PACCAR MX-13, ENGINE ASSEMBLY- Family Number: DPCRH12.9M01, Displacement: 12.9L, Horsepower: 455, Serial Number: Y037661, E.C.S.: DDI, TC, CAC, ECM, EGR-C, OC, SCR-U, PTOX, For... ConditionUsedHorse Power455 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2014Part NumberDPCRH12.9M01Stock NumberP-29968 MLS Number11407854CategoryEngines Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos Cummins ISX12 G Engine for a 2016 Kenworth T680 $7,495 USD (Used) 2015 Cummins ISX12 G, ENGINE ASSEMBLY- Family Number: FCEXH0729XBA, Displacement: 11.9L, Horsepower: 400, Ar.No./CPL: 3647, Serial Number: 75045733, E.C.S: HO2S, PCM, TWC, For more... ConditionUsedCPL/ARR3647Horse Power400 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2016Part NumberFCEXH0729XBAStock NumberP-112441 MLS Number13869928CategoryEngines Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 1 Video Paccar MX-13 Engine for a 2015 Kenworth T680 Contact for price (Core) 2014 PACCAR MX-13 - ENGINE ASSEMBLY - Family Number: EPCRH12.9M01. Horsepower: 455. Displacement: 12.9 L. Serial Number: Y051010. E.C.S.: DDI, TC, CAC, ECM, EGR-C, OC, SCR-U, PTOX.... ConditionUsedHorse Power455 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2015Stock NumberP-26038 MLS Number11003793CategoryEngines Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2015 Cummins ISX15 Engine for a Kenworth T680 $14,500 USD GOOD RUNNING TAKE OUT 120 DAY WARRANTY ConditionUsedHorse Power450 HPFits To Make(s)KENWORTHFits To Model(s)T680Stock Number28161 MLS Number13759155CategoryEngines Last Updated12/15/2025 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2020 Paccar MX-13 Engine for a Kenworth T680 $26,500 USD THIS ENGINE RAN GREAT BEING SOLD COMPLETE WITH ECM, EPA 2019 BEING REMOVED FROM 2020 KW T680 ConditionUsedUsage366,396 MilesHorse Power455 HPFits To Make(s)KENWORTHFits To Model(s)T680Stock Number9100 MLS Number11985404CategoryEngines Last Updated5/1/2024 LocationMorrisville, NY, US Sold ByDutcher's Inc. (844) 641-___ SHOWNUMBERCall Seller Save More Info
View 0 Photos View 1 Video Cummins ISX Engine for a 2014 Kenworth T680 Recently Updated $10,500 USD USED ISX15 CM2350 ENGINE ASSEMBLY. 400HORSE @ 1800RPM, CPL 3937, 821K MILES, Serial#: 79648080, Horse Power: 400, ARR/CPL: 3937, Casting#: 79648080 ConditionUsedCPL/ARR3937Horse Power400 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2014Stock NumberSV-381-1 MLS Number10455357CategoryEngines Last Updated5/14/2026 LocationAlma, AR, US Sold ByArkansas Truck Center (833) 371-___ SHOWNUMBERCall Seller Email Seller Save More Info