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 2 Photos View 0 Videos Cummins ISX15 Engine for a 2017 Kenworth T680 $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 1 Video Cummins ISX15 Engine for a 2021 Kenworth T680 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 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 1 Photo View 0 Videos Cummins ISX15 Engine for a 2024 Kenworth T680 $25,495.98 USD (Used) 2023 Cummins X15, ENGINE ASSEMBLY- Family Number: PCEXH0912?CA, Displacement: 15L, Horsepower: 450, Ar. No./CPL: 5881, ESN: 80517830, Part Number: E8FE5V2K521S5Z0815, E.C.S.: EGR... ConditionUsedCPL/ARR5881Horse Power440 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2024Part NumberE8FE5V2K521S5Z0815Stock NumberP-95553 MLS Number13351902CategoryEngines 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 Cummins ISX15 Engine for a 2022 Kenworth T680 $22,495.98 USD (Used) 2021 Cummins ISX/X15, ENGINE ASSEMBLY- Family Number: MCEXH0912CA, Displacement: 14.9L, Horsepower: 450, Ar.No./CPL: 5535, Serial Number: 80306028, Part Number: E82X582K401XS1B0815, E... ConditionUsedCPL/ARR5535Horse Power450 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2022Part NumberE82X582K401XS1B0815Stock NumberP-81675 MLS Number12913650CategoryEngines Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos Cummins ISX15 Engine for a 2023 Kenworth T680 $17,250 USD (Used) 2022 Cummins ISX/X15, ENGINE ASSEMBLY- Family Number: MCEXH0912XCA, Displacement: 15L, Horsepower: 450, Ar. No./CPL: 5779, ESN: 80387849, Part Number: E84W582K401X1V0815, E.C.S: EGR,... ConditionUsedCPL/ARR5779Horse Power450 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2023Part NumberE84W582K401X1V0815Stock NumberP-82430 MLS Number12938614CategoryEngines Last Updated5/15/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Cummins ISX15 Engine for a 2015 Kenworth T680 $15,495 USD (Used) 2014 Cummins ISX15 500, ENGINE ASSEMBLY- Family Number: ECEXH0912XAU, Displacement: 14.9L, Horsepower: 500, Ar.No./CPL: 3938, Serial Number: 79745210, Part Number: E6N7E0767G768V7974... ConditionUsedCPL/ARR3938Horse Power500 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2015Part NumberE6N7E0767G768V7974Stock NumberP-500083 MLS Number14241023CategoryEngines 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 Cummins ISX15 Engine for a 2019 Kenworth T680 $12,999.99 USD (Used) 2018 Cummins ISX/X15, ENGINE ASSEMBLY- Family Number: JCEXH0912XAW, Displacement: 15L, Horsepower: 450, Ar.No./CPL: 4342, ESN: 80045368, Part Number: E6T8GR7B7Q8NC07A79, ECS: EGR,... ConditionUsedCPL/ARR4342Horse Power450 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2019Part NumberE6T8GR7B7Q8NC07A79Stock NumberP-81955 MLS Number12920840CategoryEngines 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 5 Photos View 0 Videos 2014 Cummins ISX15 Engine $9,640 USD (USED) Cummins ISX15 Warranty: 180 Day Parts Only Assembly#: CPL 3937 Serial#: 79680844 Horsepower: 400 ConditionUsedAssembly NumberCPL 3937Fits To Make(s)KenworthFits To Model(s)T680Stock Number25790788 MLS Number13556507CategoryEngines Last Updated10/3/2025 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ 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