Cummins® Diesel, Natural Gas & Alternative Fuel Engines
Cummins® diesel, natural gas, and alternative fuel engines deliver the high torque and fuel-smart efficiency that today’s on-highway trucks and vocational rigs demand. Browse the models below—or explore our full Cummins® inventory—to power your fleet with proven reliability. Choose a model below or explore all Cummins® diesel, natural gas, and alternative fuel engines.
All Engines | Complete Engines | cummins Complete Engines
2020 CUMMINS X15 Complete Engine $27,500
USED 2020 CUMMINS X15 DIESEL ENGINE ASSEMBLY FOR SALE
2020
CUMMINS
X15
CPL 4343
CM2350
565HP
S/N 80240818
EPA 17
******NEW BEARINGS INSTALLED 7/21/25 ********
TESTED, INSPECTED, RUN TEST 7/21/25 -RUNS EXCELLENT - WATCH VIDEO OF RUNNING E...
| Stock # | #S0818EN |
|---|---|
| Engine | Cummins X15 (565hp) |
| Eng Size | 15l |
| CPL/AR | 4343 |
| Family | Lcexh0912xa |
| Pulled From | Peterbilt |
2019 CUMMINS X15 Complete Engine $23,500
USED 2019 CUMMINS X15 DIESEL ENGINE ASSEMBLY FOR SALE
2019
CUMMINS
X15
S/N 80232182
CPL4343
CM2350
EPA 17
565HP
TESTED, INSPECTED RUN TEST 6/23/25 - RUNS EXCELLENT!!! WATCH VIDEO OF RUNNING ENGINE
FOR MORE INFORMATION PLEASE CALL 800-73...
| Stock # | #S2182EN |
|---|---|
| Engine | Cummins X15 (565hp) |
| Eng Size | 15l |
| CPL/AR | 4343 |
| Pulled From | Peterbilt |
2021 CUMMINS X15 Complete Engine $24,500
USED 2021 CUMMINS X15 DIESEL ENGINE
2021
CUMMINS
X15
EPA21
565HP
S/N 80329533
LOW MILES!!!
TESTED, INSPECTED, RUN TEST 6/19/25 - RUNS GREAT!!! SOUNDS GREAT!!!
FOR MORE INFORMATION PLEASE CALL 800-738-7802
STOCK# S9533EN
PRICE: $24500 ...
| Stock # | #S9533EN |
|---|---|
| Engine | Cummins X15 (565hp) |
| Eng Size | 15l |
| CPL/AR | 5479 |
| Family | Mcexh0912xcb |
2018 CUMMINS X15 Complete Engine $15,000
USED 2018 CUMMINS X15 DIESEL ENGINE
2018
EPA17
400HP
CM2350
CPL 4342
S/N 80042347
TESTED, INSPECTED, RUN TEST 6/19/25 - RUNS GREAT!!! WATCH VIDEO OF RUNNING ENGINE!!!
FOR MORE INFORMATION PLEASE CALL 800-738-7802
STOCK# S2347EN
PRICE: $15...
| Stock # | #S2347EN |
|---|---|
| Engine | Cummins X15 (400hp) |
| Eng Size | 15l |
| CPL/AR | 4342 |
| Family | Jcexh0912xaw |
2019 CUMMINS X15 Complete Engine $15,000
2019 CUMMINS X15 ENGINE FOR SALE
2019
EPA17
CUMMINS
X15
CPL 4342
CM2350
450HP
WARRANTY!!!
TESTED, INSPECTED, RUN TEST 5/10/25 RUNS EXCELLENT!!! WATCH VIDEO OF RUNNING ENGINE!!!
FOR MORE INFORMATION PLEASE CALL 800-738-7802
STOCK# S5986...
| Stock # | #S5986EN |
|---|---|
| Engine | Cummins X15 (450hp) |
| Eng Size | 15l |
| CPL/AR | 4342 |
| Family | Kcexh0912xaw |
2018 CUMMINS X15 Complete Engine $15,000
2018 CUMMINS X15 ENGINE FOR SALE
2018
EPA17
CUMMINS
X15
CPL 4342
CM2350
450HP
WARRANTY!!!
TESTED, INSPECTED, RUN TEST 5/10/25 RUNS EXCELLENT!!! WATCH VIDEO OF RUNNING ENGINE!!!
FOR MORE INFORMATION PLEASE CALL 800-738-7802
STOCK# S1424...
| Stock # | #S1424EN |
|---|---|
| Engine | Cummins X15 (430hp) |
| Eng Size | 15l |
| CPL/AR | 4342 |
| Family | Jcexh0912xaw |
2012 CUMMINS ISB Complete Engine $10,500
USED 2012 CUMMINS ISB DIESEL ENGINE
2012 EPA 10 REBUILT 2019 BY REVIVA
S/N 73188325 - REVIVA S/N 65119C25
EPA10
CPL 3071
220HP
TESTED, INSPECTED, RUN TEST 6/5/25 - WATCH VIDEO OF RUNNING ENGINE
FOR MORE INFORMATION PLEASE CALL 800-738-7802
...
| Stock # | #S8325EN |
|---|---|
| Engine | Cummins ISB (220hp) |
| CPL/AR | 3071 |
2012 CUMMINS ISB Complete Engine $12,500
USED 2012 CUMMINS ISB 6.7L ENGINE, FOR SALE
2012
CUMMINS
ISB 6.7L
S/N 58098957
CPL 3070
CM2250
220HP
TESTED, INSPECTED, RUNNING TEST 6/3/25 - SOUNDS GREAT!!! WATCH VIDEO OF RUNNING ENIGNE
FOR MORE INFORMATION PLEASE CALL 800-738-7802 O...
| Stock # | #S8957EN |
|---|---|
| Engine | Cummins ISB (220hp) |
| Eng Size | 6.7l |
| Family | Bcexh04088ah |
2019 CUMMINS X15 Complete Engine $22,500
GOOD USED 2019 CUMMINS X15 DIESEL ENGINE ASSEMBLY, FOR SALE
2019
CUMMINS
X15
CPL4343
565HP
LOW MILES!!!!
S/N 80168346
CM2350
TESTED, INSPECTED -RUN TEST 5/29/25 - RUNS EXCELLENT, WATCH VIDEO OF RUNNING ENGINE !!! SUPER CLEAN!!!!
ECM...
| Stock # | #S8346EN |
|---|---|
| Engine | Cummins X15 (565hp) |
| Family | Kcexh0912xax |
| Pulled From | Peterbilt |
2010 CUMMINS ISX15 Complete Engine $15,000
GOOD USED 2010 CUMMINS ISX15 DIESEL ENGINE FOR SALE
2010
CUMMINS
ISX15
S/N 79429981
CPL 3490
CM2250
400HP
TESTED, INSPECTED, RUN TEST 5/16/25 - RUNS GREAT!!! WATCH VIDEO OF RUNNING ENGINE!!!
FOR MORE INFORMATION PLEASE CALL 800-738-7802...
| Stock # | #S9981EN |
|---|---|
| Engine | Cummins ISX15 (400hp) |
| Eng Size | 15l |
| CPL/AR | 3490 |
| Family | Acexh0912xap |
2018 CUMMINS X15 Complete Engine $18,500
GOOD USED 2018 CUMMINS X15 DIESEL ENGINE FOR SALE
2018
CUMMINS
X15
450 HP
S/N 80025768
CPL4342
CM2350
352K MILES
TESTED, INSPECTED RUN TEST 5/10/25 - WATCH VIDEO OF RUNNING ENGINE - SUPER CLEAN AND SOUNDS GREAT!!
FOR MORE INFORMATION P...
| Stock # | #S5768EN |
|---|---|
| Mileage | 352,000 |
| Engine | Cummins X15 (450hp) |
| Eng Size | 15l |
| CPL/AR | 4342 |
| Family | Hcexh0912xaw |
CUMMINS ISX15 Complete Engine $17,500
GOOD USED REBUILT CUMMINS ISX15 DIESEL ENGINE, COMES WITH WARRANTY!!!
BUILD DATE 2015, EPA 10
CUMMINS
ISX15
CPL3719
CM2250
450 HP
S/N 60815628
TESTED, INSPECTED, RUN TEST - RUNS PERFECT, VERY CLEAN ENGINE - RUN TEST VIDEO AVAILABLE
FOR M...
| Stock # | #S5628EN |
|---|---|
| Engine | Cummins ISX15 (450hp) |
| Eng Size | 14.9l |
| CPL/AR | 3719 |
| Family | Ccexh0912xap |
2011 CUMMINS ISX15 Complete Engine $12,500
GOOD USED 2011 CUMMINS ISX15 DIESEL ENGINE ASSEMBLY, FOR SALE, WITH WARRANTY!!!
2011
CUMMINS
ISX15
S/N 79492621
CM2250
450HP
CPL3719
TESTED, INSPECTED, BEARINGS, CAM, CRANK, JAKES, INSPECTED- RUN 4/4/25 - VIDEO AVAILABLE
FOR MORE INFORM...
| Stock # | #S2621EN |
|---|---|
| Engine | Cummins ISX15 (450hp) |
| Eng Size | 14.9l |
| CPL/AR | 3719 |
| Family | Bcexh0912xa |
2018 CUMMINS X15 Complete Engine $19,500
GOOD USED 2018 CUMMINS X15 DIESEL ENGINE ASSEMBLY, FOR SALE, WITH WARRANTY!!!
2018
CUMMINS
X15
S/N 80113722
450HP
CM2350
LOW MILES!!! 342K
TESTED, INSPECTED, RUN TEST - VIDEO OF RUNNING ENGINE AVAILABLE
FOR MORE INFORMATION PLEASE CALL 800...
| Stock # | #S3722EN |
|---|---|
| Mileage | 342,000 |
| Engine | Cummins X15 (450hp) |
| Eng Size | 15l |
| CPL/AR | 4342 |
| Family | Jcexh0912xaw |
2014 CUMMINS ISB Complete Engine $12,500
GOOD USED 2013 CUMMINS ISB 6.7L DIESEL ENGINE ASSEMBLY, FOR SALE, WITH WARRANTY!!!
2013
CUMMINS
ISB
6.7L
CM2350
CPL3610
240HP
S/N 58352384
TESTED, INSPECTED, RUN TEST - VIDEO OF RUNNING ENGINE AVAILABLE
FOR MORE INFORMATION PLEASE CALL 800-...
| Stock # | #S2384EN |
|---|---|
| Engine | Cummins ISB (240hp) |
| Eng Size | 6.7l |
| CPL/AR | 3610 |
| Family | Dcexh0408bap |
2016 CUMMINS ISX15 Complete Engine $15,000
GOOD USED 2016 CUMMINS ISX15 DIESEL ENGINE ASSEMBLY, FOR SALE, WITH WARRANTY!!!
2016
CUMMINS
ISX15
CPL 4586
450HP
CM2350
TESTED, INSPECTED, RUN TEST - VIDEO AVAILABLE FOR RUNING ENGINE
ENGINE IS IN STOCK AND READY TO SHIP OR PICK UP TODAY!!
...
| Stock # | #S4804EN |
|---|---|
| Engine | Cummins ISX15 (450hp) |
| Eng Size | 15l |
| CPL/AR | 4586 |
| Family | Gcexh0912xat |
| Pulled From | International |
2017 CUMMINS X15 Complete Engine $17,500
GOOD USED 2017 CUMMINS X15 DIESEL ENGINE ASSEMBLY, FOR SALE, WITH WARRANTY!!!
2017
CUMMINS
X15
CM2350
450HP
S/N 79978831
TESTED, INSPECTED, RUN TEST - RUNS PERFECT!!! VIDEO OF RUNNING ENGINE AVAILABLE
FOR MORE INFORMATION PLEASE CALL 800-73...
| Stock # | #S8831EN |
|---|---|
| Engine | Cummins X15 (450hp) |
| Eng Size | 15l |
| CPL/AR | 4342 |
| Family | Hcexh0912xaw |
2015 CUMMINS ISX12 Complete Engine $24,000
GOOD USED 2015 CUMMINS ISX12 DIESEL ENGINE ASSEMBLY, FOR SALE, WITH WARRANTY!!!
2015
CUMMINS
ISX12
CM2350
CPL 4589
350HP
TESTED, INSPECTED, RUN TEST - VIDEO AVAILABLE - RUNS EXCELLENT
FOR MORE INFORMATION PLEASE CALL 800-738-7802 OR VISIT ww...
| Stock # | #S180EN |
|---|---|
| Engine | Cummins ISX12 (350hp) |
| CPL/AR | 4589 |
| Family | Fcexh0729xea |
2012 CUMMINS ISX12 Complete Engine $22,000
GOOD USED 2012 CUMMINS ISX12 DIESEL ENGINE ASSEMBLY FOR SALE WITH WARRANTY!!!
2012
CUMMINS
ISX12
CPL3440
350HP
CM2250
S/N 75016029
TESTED, INSPECTED, RUN TEST, CONTACT US DIRECTLY FOR VIDEO OF RUNNING ENGINE !!!
FOR MORE INFORMATION PLEASE ...
| Stock # | #S6029EN |
|---|---|
| Engine | Cummins ISX12 (350hp) |
| Eng Size | 11.9l |
| CPL/AR | 3440 |
| Family | Ccexh0729xaa |
New 2019 CUMMINS ISX12 Complete Engine $35,000
NEW 2019 CUMMINS ISX12 DIESEL ENGINE ASSEMBLY, FOR SALE WITH WARRANTY!!!
CUMMINS
ISX12
EPA13 ENGINE
NEW 0 MILES 0 HOURS
ESN 75080579
CPL4892
CM2350
450HP
IN STOCK AND READY TO SHIP OR PICK UP TODAY!!!
FOR MORE INFORMATION PLEASE CALL 8...
| Stock # | #S0579EN |
|---|---|
| Engine | Cummins ISX12 (450hp) |
| Eng Size | 11.9l |
| CPL/AR | 4892 |
| Family | Jcexh0729xae |