View 7 Photos View 0 Videos Cummins ISX12 G Engine for a 2016 Kenworth T680 Recently Updated Contact for price (Used) 2015 Cummins ISX12 G, ENGINE ASSEMBLY- Family Number: FCEXH0729XBA, Displacement: 11.9L, Horsepower: 400, Ar.No./CPL: 3647, ESN: 75045091, Part Number: E6E0CH9F6P666C6664, ECS: HO2S,... ConditionUsedCPL/ARR3647Horse Power400 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2016Part NumberE6E0CH9F6P666C6664Stock NumberP-509803 MLS Number14506913CategoryEngines Last Updated8/9/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Cummins ISX Engine for a 2017 Kenworth T680 Recently Updated Contact for price (Used) 2016 Cummins ISX, ENGINE ASSEMBLY- REMANUFACTURED!! Date Remanufactured: 10/12/21, Displacement: 11.9L, Horsepower: 400, Ar.No./CPL: 3647, E.S.N.: 60843700, Part Number: 4018419,... ConditionUsedCPL/ARR3647Horse Power400 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2017Part Number4018419Stock NumberP-506084 MLS Number14431499CategoryEngines Last Updated8/9/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos Cummins ISX Engine for a 2016 Kenworth T680 Contact for price (Used) 2015 Cummins ISX, ENGINE ASSEMBLY- REMANUFACTURED!! Date Remanufactured: 06/28/22, Displacement: 11.9L, Horsepower: 400, Ar.No./CPL: 5736, E.S.N.: 60845287, Part Number: 4018419,... ConditionUsedCPL/ARR5736Horse Power400 HPFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2016Part Number4018419Stock NumberP-504303 MLS Number14427268CategoryEngines Last Updated7/29/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ 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 0 Videos Cummins ISX Engine for a 2016 Kenworth T680 $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 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 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 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 Updated7/1/2026 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 Updated8/9/2026 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 0 Photos View 1 Video Cummins ISX Engine for a 2014 Kenworth T680 $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