Cummins X15 Diesel Engine
The Cummins X15 is a 15L inline-6 delivering 525-565 HP (up to 605 HP) and 1,650-2,050 lb-ft of torque, offering unmatched power, fuel efficiency, and EPA 2017/Euro VI compliance for Class 8 trucks, heavy haul, and vocational applications. Boots & Hanks Truck Parts stocks dyno-tested X15 engines, reman long blocks, and hard-to-find components-compression tested, warrantied, and available for fast nationwide shipping.
All Engines | Complete Engines | cummins Complete Engines | cummins x15 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 |
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 |
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 |
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 |
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 |
2017 CUMMINS X15 Complete Engine $23,500
GOOD USED 2017 CUMMINS X15 DIESEL ENGINE ASSEMBLY FOR SALE WITH WARRANTY!!! 2017 CUMMINS X15 500HP CPL4342 CM2350 S/N 79986381 TESTED, INSPECTED, RUN TEST 9/11/24 RUNS EXCELLENT!!! WATCH VIDEO OF RUNNING ENGINE FOR MORE INFORMATION PLEASE CALL E...
| Stock # | #S85EN |
|---|---|
| Engine | Cummins X15 (500hp) |
| Eng Size | 14.9l |
| CPL/AR | 4342 |
| Family | Hcexh0912xaw |
| Pulled From | Peterbilt |
2018 CUMMINS X15 Complete Engine Call For Price
GOOD USED 2018 CUMMINS X15 DIESEL ENGINE ASSEMBLY, FOR SALE, WITH WARRANTY!!!
2018
CUMMINS
X15 505HP
505HP
CM2350
CPL4343
TESTED, INSPECTED, RUN TESTED 8/7/24 RUNS EXCELLENT!!!! WATCH VIDEO OF RUNNING ENGINE!!!
LIKE NEW!!! LOW MILES!!! ...
| Stock # | #S2813EN |
|---|---|
| Engine | Cummins X15 (505hp) |
| Eng Size | 14.9l |
| CPL/AR | 4343 |
| Family | Hcexh0912xax |
| Pulled From | International |
2021 CUMMINS X15 Complete Engine Call For Price
GOOD USED 2021 CUMMINS X15 DIESEL ENGINE ASSEMBLY, FOR SALE, WITH WARRANTY!
2021
CUMMINS
X15
CM2450
CPL5779
450HP
TESTED, INSPECTED, RUN TEST 8/1/24, RUNS EXCELLENT, LIKE NEW, LOW MILES!!!
WATCH VIDEO OF RUNNING ENGINE
IN STOCK AND READY...
| Stock # | #S7355EN |
|---|---|
| Engine | Cummins X15 (450hp) |
| Eng Size | 14.9l |
| CPL/AR | 5779 |
| Family | Mcexh0912xca |
| Pulled From | Kenworth |
2018 CUMMINS X15 Complete Engine $19,500
GOOD USED 2018 CUMMINS X15 DIESEL ENGINE ASSEMBLY, FOR SALE, WITH WARRANTY!!!
YEAR 2018
CUMMINS
X15
450HP
CM2350
CPL4342
TESTED, INSPECTED, RUN TEST 5/31/24, RUNS GREAT!
FOR MORE INFORMATION PLEASE CALL 800-738-7802
STOCK# 5003EN
| Stock # | #S5003EN |
|---|---|
| Engine | Cummins X15 (450hp) |
| Eng Size | 15l |
| CPL/AR | 4342 |
| Family | Jcexh0912xaw |
2021 CUMMINS X15 Complete Engine Call For Price
GOOD USED 2021 CUMMINS X15 DIESEL ENGINE ASSEMBLY FOR SALE WITH WARRANTY!!!
YEAR: 2021
CPL 5479
CM2450
525HP
TESTED, INSPECTED, RUN TEST 2/21/24
LIKE NEW, 96K MILES!!!!
FOR MORE INFORMATION PLEASE CALL 800-738-7802
STOCK# S3503EN
| Stock # | #S3503EN |
|---|---|
| Engine | Cummins X15 (525hp) |
| Eng Size | 15l |
| CPL/AR | 5479 |
| Family | Mcex0912xcb |
| Pulled From | Kenworth |
2018 CUMMINS X15 Complete Engine Call For Price
GOOD USED 2018 CUMMINS X15 DIESEL ENGINE ASSEMBLY FOR SALE WITH WARRANTY
YEAR 2018
450 HP
ESN: 79965069
FAMILY# HCEXH0912XAW
LOW MILES, SOUNDS GREAT!! TESTED, INSPECTED, RUN TEST 5/14/24
FOR MORE INFORMATION PLEASE CALL 800-738-7802!!!
IN ...
| Stock # | #S265291EN |
|---|---|
| Engine | Cummins X15 (450hp) |
| Eng Size | 15l |
| CPL/AR | 4342 |
| Family | Hcexh0912xaw |
2020 CUMMINS X15 Complete Engine Call For Price
Good Used 2020 LOW MILE Cummins X15 500HP Diesel Engine Assembly, for Sale, with
Warranty!!!! S/N 80243013, Family# LCEXH0912XAZ, CM2450, CPL 5348, Cummins X15 500 @1900RPM, 1845 Peak Torque (Ft-Lb) @0950 RPM, Emission Control Systems:EGR, PTOX, ...
| Stock # | #S3013EN |
|---|---|
| Engine | Cummins X15 (500hp) |
| Eng Size | 15l |
| CPL/AR | 5348 |
| Family | Lcexh0912xaz |
2017 CUMMINS X15 Complete Engine $19,500
Good Used 2017 Cummins X15 Diesel Engine Assembly, for Sale, with Warranty!!! S/N 79987336, Family# HCEXH0912XAW, 450HP@1800RPM, 1750 Peak Torque (Ft-Lbs) @1000 RPM, Emission Control Systems: EGR, PTOX, SCRC. EPA17. Displacement 15L. Tested, Inspect...
| Stock # | #S7336EN |
|---|---|
| Engine | Cummins X15 (450hp) |
| Eng Size | 15l |
| CPL/AR | 4342 |
| Family | Hcexh0912xaw |
2018 CUMMINS X15 Complete Engine $19,500
Good Used 2018 Cummins X15 Diesel Engine Assembly, for Sale, with Warranty!!! S/N 80131841, Family# JCEXH0912XAW, Date of Mfg: 12/18, 450HP@1800RPM, Peak Torque 1650 (ft-lb) @1000RPM, Emission Control Systems: EGR, PTOX, SCRC. EPA17. Tested, Inspect...
| Stock # | #S1841EN |
|---|---|
| Engine | Cummins X15 (450hp) |
| Eng Size | 15l |
| CPL/AR | 4342 |
| Family | Jcexh0912xaw |
2018 CUMMINS X15 Complete Engine $19,500
Good Used 2018 Cummins X15 Diesel Engine Assembly, for Sale, with Warranty!!! S/N 80006865, Family# HCEXH0912XAW, X15 450SA, 15L Displacement, 450Hp@1800RPM, 1850 (Ft-Lbs) Peak Torque @ 1000RPM, Emission Control Systems: EGR, PTOX, SCRC. EPA17. Test...
| Stock # | #S2150EN |
|---|---|
| Engine | Cummins X15 (450hp) |
| Eng Size | 15l |
| CPL/AR | 4342 |
| Family | Hcexh0912xaw |
| Pulled From | Peterbilt |