Mack E6-350 Engines For Sale

1989 Mack E6-350 Engine

Contact for price

USED 1.989 E6-350 4 VALVE MACK ENGINE, 350HP, MECHANICAL FUEL PUMP, COMPLETE, INSPECTED AND TESTED RUNNING GOOD ENGINE, ALSO MANY ENGINES IN STOCK

Condition	Used
Stock Number	8167-1103255
MLS Number	13962939
Category	Engines
Last Updated	11/3/2025
Location	Miami, FL, US
Sold By	4-Trucks Enterprises LLC

1988 Mack E6-350 Engine

Contact for price

USED 1.988 MACK E6-350 4 VALVE MECHANICAL FUEL PUMP, STOCK:0923256, ESN:8H1826, COMPLETE, INSPECTED AND TESTED RUNNING GOOD ENGINE, ALSO MANY ENGINES IN STOCK

Condition	Used
Stock Number	8068-0923256
MLS Number	13842061
Category	Engines
Last Updated	9/23/2025
Location	Miami, FL, US
Sold By	4-Trucks Enterprises LLC

1988 Mack E6-350 Engine

Contact for price

USED 1.988 MACK E6-350 4 VALVE ENGINE, 350HP, S/N:7W2267, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY MACK PARTS IN STOCK

Condition	Used
Stock Number	6364-1109238
MLS Number	12434420
Category	Engines
Last Updated	11/24/2023
Location	Miami, FL, US
Sold By	4-Trucks Enterprises LLC

1989 Mack E6-350 Engine

Contact for price

USED 1.989 MACK E6-350 4 VALVE ENGINE, S/N:8L1802, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY MACK ENGINES IN STOCK

Condition	Used
Stock Number	6127-0720234
MLS Number	12194976
Category	Engines
Last Updated	7/24/2023
Location	Miami, FL, US
Sold By	4-Trucks Enterprises LLC

(855) 980-___ SHOW
NUMBERCall Seller

Mack E6-350 Engine Core for a 1988 Mack DM688S

Contact for price

GOOD CORE, Horse Power: 350

Condition	Used
Horse Power	350 HP
Fits To Make(s)	Mack
Fits To Model(s)	DM688S
Will Fit Year(s)	1988
Stock Number	001942-1
MLS Number	10162344
Category	Engine Cores
Last Updated	5/11/2023
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

(844) 925-___ SHOW
NUMBERCall Seller

Mack E6-350 Engine

Contact for price

MACK ENGINES. WE HAVE MANY IN STOCK 675, 676, E6 2 VALVE, E6 4 VALVE, E7 4 VALVE. CALL FOR PRICING. Please keep me in mind for future purchases. I have about 3.5 acres of heavy Trucks and...

Condition	Used
Stock Number	202708
MLS Number	12029468
Category	Engines
Last Updated	5/5/2023
Location	Felda, FL, US
Sold By	Delauto Used Truck Parts

1987 Mack E6-350 Engine

Contact for price

USED MACK E6-350 4 VALVE ENGINE, 1.987, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK

Condition	Used
Stock Number	5571-0120234
MLS Number	11833077
Category	Engines
Last Updated	1/31/2023
Location	Miami, FL, US
Sold By	4-Trucks Enterprises LLC

1988 Mack E6-350 Engine

Contact for price

USED MACK E6-350 4 VALVE ENGINE, 1.988, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK

Condition	Used
Stock Number	4674-0517222
MLS Number	11403523
Category	Engines
Last Updated	6/23/2022
Location	Miami, FL, US
Sold By	4-Trucks Enterprises LLC

1987 Mack E6-350 Engine

Contact for price

USED E6-350HP 2 VALVE MACK ENGINE, AIR TO AIR, 1.987 TRUCK, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK

Condition	Used
Stock Number	4441-0302222
MLS Number	11248948
Category	Engines
Last Updated	3/3/2022
Location	Miami, FL, US
Sold By	4-Trucks Enterprises LLC

1987 Mack E6-350 Engine

Contact for price

USED E6-350 MACK 4 VALVE MECHANICAL PUMP ENGINE, COMPLETE, 1.987,INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK.

Condition	Used
Stock Number	1310-1212196
MLS Number	10014850
Category	Engines
Last Updated	5/30/2020
Location	Miami, FL, US
Sold By	4-Trucks Enterprises LLC

1988 Mack E6-350 Engine

Contact for price

USED E6-350 MACK ENGINE, 4 VALVE, 1.988, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK.

Condition	Used
Stock Number	1250-1204193
MLS Number	9998999
Category	Engines
Last Updated	5/30/2020
Location	Miami, FL, US
Sold By	4-Trucks Enterprises LLC

1984 MACK E6-350 2 VALVE ENGINES 350 HP

Contact for price

USED E6-350 HP 2 VALVE ENGINE BRAKE, ENGINE TESTED RUNNING GOOD.

Condition	Used
Horse Power	350 HP
Stock Number	157-0614199 - SN:4R5712
MLS Number	9827038
Category	Engines
Last Updated	5/30/2020
Location	Miami, FL, US
Sold By	4-Trucks Enterprises LLC

1989 MACK E6-350 4 VALVE ENGINE 350 HP

Contact for price

USED E6-350 HP MACK 4 VALVE, MECHANICAL ENGINE, RUNNING GOOD, TESTED RUNNING.

Condition	Used
Horse Power	350 HP
Stock Number	142-0613192 - SN:5K1530
MLS Number	9797693
Category	Engines
Last Updated	5/30/2020
Location	Miami, FL, US
Sold By	4-Trucks Enterprises LLC

(844) 385-___ SHOW
NUMBERCall Seller

1990 Mack E6-350 Diesel Engine

$6,000 USD

(USED) 1990 Mack E6 Diesel Engine (4 VALVE), Serial # 0H0808, 11GBA 21754P1, TEST RUN 1-10-18, Fully Inspected! RUNS PERFECT! visit WWW.JJREBUILDERS.COM for more information or call . INV #...

Condition	Used
Stock Number	003593
MLS Number	9329203
Category	Engines
Last Updated	1/10/2018
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

(844) 385-___ SHOW
NUMBERCall Seller

1986 Mack E6-350 Diesel Engine

$3,500 USD

(USED) 1986 Mack E6 300 Diesel Engine (2 Valve), Mack Rebuilt Serial # BRE2185, Part # 86SB3500, 300HP, LOW MILES!!!! Test Run 4-25-17. Visit jjrebuilders.com for more information on this...

Condition	Used
Horse Power	300 HP
Part Number	86SB3500
Stock Number	003281
MLS Number	9087057
Category	Engines
Last Updated	4/25/2017
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.