Mack Engines with 400-449 HP For Sale in United States

Mack MP8 Engine for a 2022 Mack Anthem

$11,995 USD

(Used) 2021 Mack MP8, ENGINE ASSEMBLY- Family Number: MVPTH12.8G02, Displacement: 12.8L, Horsepower: 445, Serial Number: 1332341, Reference images for condition For more information about...

Condition	Used
Horse Power	445 HP
Fits To Make(s)	Mack
Fits To Model(s)	Anthem
Will Fit Year(s)	2022
Stock Number	P-101795
MLS Number	13568245
Category	Engines
Last Updated	1/16/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Mack MP8 Engine for a 2013 Mack CXU613

$7,499.99 USD

(Used) 2012 Mack MP8, ENGINE ASSEMBLY- Family Number: CVPTH12.8S01, Displacement: 12.8L, Horsepower: 415, Serial Number: 1001704, E.C.S: TC, CAC, EGR, DDI, ECM, DOC, PTOX, SCR, AMOX, ...

Condition	Used
Horse Power	415 HP
Fits To Make(s)	Mack
Fits To Model(s)	CXU613
Will Fit Year(s)	2013
Stock Number	P-84839
MLS Number	13012578
Category	Engines
Last Updated	1/16/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Mack E7-427 Engine for a 2003 Mack CH613

Newly Listed

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(Used) 2002 Mack E7-427, ENGINE ASSEMBLY- Family Number: 2MKXH11.9H63, Displacement: 11.9L, Horsepower: 427, Serial Number: 2N3287, Part Number: 4MR3317A, E.C.S: SPL, For more information...

Condition	Used
Horse Power	427 HP
Fits To Make(s)	Mack
Fits To Model(s)	CH613
Will Fit Year(s)	2003
Part Number	4MR3317A
Stock Number	P-496399
MLS Number	14133610
Category	Engines
Last Updated	2/9/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2015 Mack MP8 Engine for a Mack MP8 EPA 13 (D13)

Mack AI-400 Engine Core

Newly Listed

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(Core) Engine does Turn 360 Degrees Complete, 2003 Mack Ai-400, ENGINE ASSEMBLY- Family Number: 3MKXH11.9V65, Displacement: 11.9, Horsepower: 400 Serial Number: 2Y0288 E.C.S.: SPL, ...

Condition	Used
Horse Power	400 HP
Stock Number	P-495791
MLS Number	14122425
Category	Engine Cores
Last Updated	2/3/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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2013 Mack MP7 Engine for a Mack CXU612

2003 Mack AI Engine

$10,500 USD

(GOOD USED TEST RUN INTERNALLY INSPECTED) 2003 Mack AI Diesel Engine For Sale, NON-EGR, 300HP @ 1950RPM, MAX 400HP, DRIVERS SIDE ECM, Family# 3MKXH11.9V65, 11GBA 15806YP1, 728 Displacement...

Warranty

Condition	Used
CPL/ARR	15806YP1
Horse Power	400 HP
Part Number	11GBA 15806YP1
Stock Number	9801
MLS Number	14093484
Category	Engines
Last Updated	1/15/2026
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

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2022 Mack MP8 Engine

$12,500 USD

Good running Mack MP8 engine assembly. 90,598 miles. 4,715 hours. 66 PSI oil pressure. New oil pan. 120 day guarantee.

Condition	Used
Horse Power	445 HP
Fits To Make(s)	MACK
Fits To Model(s)	MP8
Stock Number	1040115
MLS Number	12375758
Category	Engines
Last Updated	1/9/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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2014 Mack MP8 Engine

$3,500 USD

Good running Mack MP8 engine assembly.Tmu. 46psi oil pressure. Broken valve cover. 120 Day Guarantee.

Condition	Used
Horse Power	415 HP
Fits To Make(s)	MACK
Fits To Model(s)	MP8
Stock Number	1063187
MLS Number	13877090
Category	Engines
Last Updated	1/8/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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2006 Mack AMI Engine, 400HP

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(GOOD USED TEST RUN INTERNALLY INSPECTED) 2006 Mack AMI Diesel Engine For Sale, 400HP, 400HP MAX, 11.9L, 6 Cylinders, Turbocharged, Engine Serial # 6T1661, Stock# 9646 ***ECM SOLD...

Warranty

Condition	Used
Horse Power	400 HP
Part Number	AMI-400
Stock Number	9646
MLS Number	13911528
Category	Engines
Last Updated	1/7/2026
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

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2006 Mack AMI Engine, 400HP

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(GOOD USED TEST RUN INTERNALLY INSPECTED) 2006 Mack AMI Diesel Engine For Sale, 400HP, 400HP MAX, 11.9L, 6 Cylinders, Turbocharged, Engine Serial # 6T1661, Stock# 9646 ***ECM SOLD...

Warranty

Condition	Used
Horse Power	400 HP
Stock Number	9646
MLS Number	13911090
Category	Engines
Last Updated	1/7/2026
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

2013 Mack MP8 Engine for a Mack CXU613

$3,300 USD

MP8 EPA 10, 415 HP,S/N 1006279, Running Engine, Water Contamination in Oil, 673,121.2 Odometer Miles. $3500 AS IS-RUNNING CORE

Condition	Used
Horse Power	415 HP
Fits To Make(s)	MACK
Fits To Model(s)	CXU613
Stock Number	UPS-273665-1
MLS Number	13895230
Category	Engines
Last Updated	12/13/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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Mack MP8 Engine

$17,500 USD

Good Running Mack MP8 engine assembly out of Mack Anthem. 12.8L. Has Engine brake. Low undocumented mileage. Used at Mack Test Track. Missing Ecm. 120 Day guarantee.

Condition	Used
Horse Power	415 HP
Fits To Make(s)	MACK
Fits To Model(s)	MP8
Stock Number	1042903
MLS Number	12424593
Category	Engines
Last Updated	12/3/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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2020 Mack MP8 Engine for a Mack MP8 EPA 17 (D13)

$16,215 USD

Condition	Used
Usage	587,884 Miles
Horse Power	415 HP
Fits To Make(s)	MACK
Fits To Model(s)	MP8 EPA 17 (D13)
Stock Number	2332537
MLS Number	13820209
Category	Engines
Last Updated	12/2/2025
Location	Henderson, CO, US
Sold By	LKQ Heavy Truck

2012 Mack MP8 Engine for a Mack CXU613

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MP8 EPA 10, 415 HP, S/N 976709, Running Engine. 903,195.9 Odometer Miles 19,333 Engine Hours

Condition	Used
Horse Power	415 HP
Fits To Make(s)	MACK
Fits To Model(s)	CXU613
Stock Number	UPS-272590-1
MLS Number	13898127
Category	Engines
Last Updated	10/28/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2016 Mack MP8 Engine for a Mack CXU613T

$2,500 USD

MP8 EPA 13, 415 HP, S/N 1116524, Complete. Rebuildable Core. Water in oil. (See video of engine running) SOLD AS IS AS RUNNING CORE

Condition	Used
Horse Power	415 HP
Fits To Make(s)	MACK
Fits To Model(s)	CXU613T
Stock Number	UPS-276352-1
MLS Number	13896485
Category	Engines
Last Updated	10/28/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2013 Mack MP8 Engine for a Mack CXU613

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MP8 EPA10, 415 HP, S/N 1013056, Locked Up, Complete. 788,659.1 Odometer Miles

Condition	Used
Horse Power	415 HP
Fits To Make(s)	MACK
Fits To Model(s)	CXU613
Stock Number	UPS-273864-1
MLS Number	13893194
Category	Engines
Last Updated	10/28/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2013 Mack MP8 Engine for a Mack CXU613

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MP8 12.8L, 415 HP, S/N 1019566, Core Engine, Locked Up. Missing ECM, Flywheel No Good. 1,111,723 ECM Miles

Condition	Used
Usage	1,111,723 Miles
Horse Power	415 HP
Fits To Make(s)	MACK
Fits To Model(s)	CXU613
Stock Number	UPS-274276-1
MLS Number	13890816
Category	Engines
Last Updated	10/28/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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2013 Mack MP8 Engine for a Mack CXU613

$8,999.99 USD

Mack MP8-445E Engine SN 1012594, From 2013 CXU613 VIN 1M1AW07Y5DM033895

Condition	Used
Usage	604,952 Miles
Horse Power	445 HP
Fits To Make(s)	MACK
Fits To Model(s)	CXU613
Stock Number	146269
MLS Number	13385922
Category	Engines
Last Updated	10/25/2025
Location	Owensboro, KY, US
Sold By	West Side Truck Parts

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2013 Mack MP8 Engine for a Mack MP8 EPA 10 (D13)

$8,380 USD

Condition	Used
Usage	772,763 Miles
Horse Power	445 HP
Fits To Make(s)	MACK
Fits To Model(s)	MP8 EPA 10 (D13)
Stock Number	2499528
MLS Number	13450780
Category	Engines
Last Updated	10/24/2025
Location	Easton, MD, US
Sold By	LKQ Heavy Truck

2013 Mack MP8 Engine for a Mack CXU613

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Mack MP8 EPA 2012, 415 HP, S/N 1006368, Core Engine, Locked Up, Missing ECM, Fuel Filter Housing, Valve Cover, Belt Tensioner. Fuel Pump, Oil Pan, Fuel Pump.

Condition	Used
Horse Power	415 HP
Fits To Make(s)	MACK
Fits To Model(s)	CXU613
Stock Number	UPS-273677-1
MLS Number	13887969
Category	Engines
Last Updated	10/28/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Mack AC 427 Engine for a 2004 Mack CH613

$8,500 USD

(Core) 2003 MACK AC 427, ENGINE ASSEMBLY, Model: AC 427, Horsepower: 427, Serial Number: 3M1831, Engine Family: 3MKXH11.9H64, Displacement: 11.9L, Reference images for condition For more...

Condition	Used
Horse Power	427 HP
Fits To Make(s)	Mack
Fits To Model(s)	CH613
Will Fit Year(s)	2004
Stock Number	P-14454
MLS Number	10163104
Category	Engines
Last Updated	10/21/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Mack AI 427 Engine for a 2004 Mack CV713 Granite

$12,500 USD

(Used) 2004 Mack AI-427, ENGINE ASSEMBLY- Family Number: 4MKXH11.9V67, Displacement: 11.9L, Horsepower: 427, Serial Number: 3Y1737, ECS: ASPL, Reference images for condition For more...

Condition	Used
Horse Power	427 HP
Fits To Make(s)	Mack
Fits To Model(s)	CV713 Granite
Will Fit Year(s)	2004
Stock Number	P-73804
MLS Number	12667494
Category	Engines
Last Updated	10/8/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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2005 Mack AC380/410 Engine for a Mack CHN613

$6,500 USD

MACK AC 380/410 ENGINE RUNS GOOD NO BLOWBY

Condition	Used
Horse Power	427 HP
Fits To Make(s)	MACK
Fits To Model(s)	CHN613
Stock Number	28204
MLS Number	13852203
Category	Engines
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.