Saved
0
My Account
Sign in
Sign up
Control Center
Dashboard
Buyer Tools
Saved Listings
0
Compare Saved Listings
Saved Searches
0
My Little Salesman
Sign up
Saved
0
My Account
Sign in
Sign up
Control Center
Dashboard
Buyer Tools
Saved Listings
0
Compare Saved Listings
Saved Searches
0
Price Alerts
0
For Sale
Commercial Trucks
Trailers
Construction Equipment
Farm Equipment
Lifting Equipment
Logging Equipment
Heavy Duty Truck Parts
Heavy Equipment & Tractor Parts
Trailer Parts
Attachments
Aggregate & Mining Equipment
Biomass & Recycling Equipment
Woodworking & Sawmill Equipment
Industrial Equipment
Recreation & Utility Vehicles
Cars & SUVs
Lawn & Garden
Tools & Material
My Little Salesman Magazine
March 2025
For Rent
Commercial Trucks
Trailers
Construction Equipment
Logging Equipment
Farm Equipment
Lifting Equipment
Attachments
Aggregate & Mining Equipment
Biomass & Recycling Equipment
Industrial Equipment
Recreation & Utility Vehicles
Sell
Place an Online Listing
Individual listings are the perfect selling solution for individuals or dealers with 15 items or less.
Inventory Mover Package
The inventory selling solution for dealers, manufacturers, and auctioneers with 15+ items.
Print Advertising
Effective industry-trusted advertising, reliably delivered to your targeted buyer.
Online Banner Advertising
Effectively reach buyers in your market as they browse listings within a category or specific manufacturer.
Facebook Marketing
Beautiful campaigns with pinpointed audiences that drive traffic and boosts sales.
Wholesale Marketplace
Buy and sell inventory amongst other registered dealers at wholesale prices.
Services
Dealer Management System (DMS)
One powerful suite of tools to maximize your dealership.
Inventory Management
Easy-to-use cloud-based inventory management with export feeds and accessible from anywhere.
Customer Relationship Management (CRM)
Customers, vendors, prospects, and correspondence in one place, integrated with your inventory.
Lead Management
One dashboard that intelligently connects your inventory, contacts, and leads from all your marketing channels.
Invoicing & Sales Management
Effortlessly turn leads into deals with auto-populated quotes, invoices, and custom contract forms.
Dealership Websites
User-friendly, mobile-responsive, search-engine optimized websites for commercial truck, trailer, heavy equipment, and parts dealers.
Sell Your Inventory
The inventory selling solution to reach hundreds of thousands of buyers, with no contract or commitments.
Facebook Marketing
Beautiful campaigns with pinpointed audiences that drive traffic and boosts sales.
Wanted
Auctions
Financing
Industry
News
Latest Equipment News
Construction Equipment News
Farm Equipment News
Forestry Equipment News
Trucking News
Trailer News
Material Handling News
Drilling & Mining Equipment News
Companies
All Companies
Dealers
Manufacturers
Auctioneers
Transport Companies
Resources
Trade Shows & Events
Industry Services
Appraisals
Associations
Financing and Leasing (Heavy Equipment)
Financing and Leasing (Commercial Trucks)
Inspections
Insurance
Transportation and Shipping
All Guides & Advice
Buying Guides
Construction Equipment Buying Guide
Semi Truck Buying Guide
Backhoe Buying Guide
Dump Truck Buying Guide
Skid Steer Buying Guide
Excavator Buying Guide
Box Truck Buying Guide
Info
Subscription Center
Help Center
Contact Us
Virtual Demonstration
About Us
Testimonials
Our History
Fraud Prevention
Home
Listings
Truck Parts
Engines
Mack
Mack Engines with 300-349 HP For Sale
Filter
4
Sort
Close
Default Ranking
Year: Newest First
Year: Oldest First
Price: High to Low
Price: Low to High
Distance: Nearest First
Manufacturer: A-Z
Manufacturer: Z-A
Model: A-Z
Model: Z-A
Hours: High to Low
Hours: Low to High
Mileage: High to Low
Mileage: Low to High
Date Added: Newest First
Date Added: Oldest First
Stock Number: A-Z
Stock Number: Z-A
Photos First
Close
Your Current Search
Industry
Truck Parts
Category
Engines
Manufacturer
Mack
Horsepower
300 - 349 HP
Click the
to remove the filter.
Save Search
Email Alert
What's
Save Search and Email Alert
?
Narrow Your Search
Keyword Search
Search within the selected criteria
Industry
Truck Parts
(191)
Category
Engines
(191)
Engine Cores
(5)
Manufacturer
Mack
(191)
Model
676
(2)
AC
(1)
AI
(2)
AI300
(1)
AI-300A
(2)
AMI-335
(2)
E6
(5)
E6-350
(1)
E7
(66)
E7 / EM7
(1)
E7 E-Tech
(2)
E7 Mechanical
(3)
E7-300
(16)
E7-350
(10)
EM6
(5)
EM7
(15)
EM7 E-Tech
(2)
EMC6
(1)
ENDT 676
(1)
ETAZ673A
(1)
E-TEC
(1)
MP7
(69)
MP8
(10)
Other
(2)
Condition
Used
(189)
Remanufactured
(2)
Model Year
-
Horsepower
-
Inspection Report
Yes
(0)
No
(191)
Warranty
Yes
(26)
No
(0)
Price
-
Country
United States
(190)
Canada
(1)
State / Region
Select a country to view available states.
Seller Type
(191)
Market Type
For Sale
(191)
Filter by Specs or Location
Condition
Used
189
Remanufactured
2
Location
California
Florida
Iowa
Kentucky
Maryland
Massachusetts
Minnesota
New Jersey
Ohio
Ontario
Pennsylvania
151-175 of 191 results
Sort by:
Default Ranking
Default Ranking
Distance: Nearest First
Year: Newest First
Year: Oldest First
Price: High to Low
Price: Low to High
Manufacturer: A-Z
Manufacturer: Z-A
Model: A-Z
Model: Z-A
Hours: High to Low
Hours: Low to High
Mileage: High to Low
Mileage: Low to High
Date Added: Newest First
Date Added: Oldest First
Stock Number: A-Z
Stock Number: Z-A
Photos First
151-175 of 191
results
6
0
1993 Mack E7-300 Engine
Call for price
STOCK:1222-1202192, 1993 USED E7-300 MACK MECHANICAL PUMP ENGINE, 1.993, 300 HP, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK.
Condition
Used
Horse Power
300 HP
Stock Number
1222-1202192
MLS Number
9995555
Category
Engines
Last Updated
5/30/2020
Location
Miami, FL, US
Sold By
4-Trucks Enterprises LLC
(833) 734-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
6
0
1999 Mack E7 Engine
Call for price
USED E7-300 E-TEC MACK ENGINE,1.999, 300 HP, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK.
Condition
Used
Horse Power
300 HP
Stock Number
1214-1130193
MLS Number
9994790
Category
Engines
Last Updated
5/30/2020
Location
Miami, FL, US
Sold By
4-Trucks Enterprises LLC
(833) 734-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
6
0
1981 Mack E6 Engine
Call for price
USED E6-315 MACK 2 VALVE ENGINE WITH 315 HP, 1.981, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK.
Condition
Used
Horse Power
315 HP
Stock Number
1194-1129199
MLS Number
9994468
Category
Engines
Last Updated
5/30/2020
Location
Miami, FL, US
Sold By
4-Trucks Enterprises LLC
(833) 734-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
5
0
1999 Mack E7-300 Engine
Call for price
USED E7-300 E-TEC MACK ENGINE,99,300HP, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE,ALSO MANY ENGINES IN STOCK. - FOR PRICE AND SHIPPING CONTACT US AT 786.412.1447 OR 786.412.8910, ALSO...
Condition
Used
Horse Power
300 HP
Stock Number
954-10261919
MLS Number
9952986
Category
Engines
Last Updated
5/30/2020
Location
Miami, FL, US
Sold By
4-Trucks Enterprises LLC
(833) 734-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
5
1
1985 MACK 676-315 HP 2 VALVE ENGINES 315 HP
Call for price
USED 676-315 HP 2 VALVE MACK ENGINE WITH ENGINE BRAKE, ENGINE TESTED, RUNNING GOOD
Condition
Used
Horse Power
315 HP
Stock Number
160-06141912 - SN:5P0336
MLS Number
9827042
Category
Engines
Last Updated
5/30/2020
Location
Miami, FL, US
Sold By
4-Trucks Enterprises LLC
(833) 734-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
6
0
2007 Mack MP7 Engine
Call for price
USED MP7 MACK ENGINE WITH 320 HP, YEAR:2007, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK, - FOR PRICE AND SHIPPING CONTACT US AT 786.412.1447 OR 786.412.8910,...
Condition
Used
Horse Power
320 HP
Stock Number
850-10151910
MLS Number
9939636
Category
Engines
Last Updated
5/30/2020
Location
Miami, FL, US
Sold By
4-Trucks Enterprises LLC
(833) 734-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
6
0
2000 Mack EM7 Engine
Call for price
USED EM7-300 E-TEC MACK ENGINE WITH 300 HP, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK.
Condition
Used
Horse Power
300 HP
Stock Number
701-1001191
MLS Number
9925939
Category
Engines
Last Updated
5/30/2020
Location
Miami, FL, US
Sold By
4-Trucks Enterprises LLC
(833) 734-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
6
0
2000 Mack E7-300 Engine
Call for price
USED E7-300 E-TEC MACK ENGINE WITH 300 HP, COMPLETE,INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK.
Condition
Used
Horse Power
300 HP
Stock Number
700-0930198
MLS Number
9925420
Category
Engines
Last Updated
5/30/2020
Location
Miami, FL, US
Sold By
4-Trucks Enterprises LLC
(833) 734-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
10
0
1995 Mack E7-300 Diesel Engine (MECHANICAL FUEL PUMP)
$5,950 USD
(GOOD USED) 1995 Mack E7-300 Diesel Engine For Sale, MECHANICAL FUEL PUMP, 300HP @ 1750 RPM, Engine Model EM7-300, Displacement 728, 11GBA 26471 P1, Engine Serial # 5C1804, Stock # 1632,...
Warranty
Condition
Used
CPL/ARR
11GBA 26471 P1
Horse Power
300 HP
Stock Number
1632
MLS Number
9779549
Category
Engines
Last Updated
9/27/2019
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
8
0
1996 Mack E7-300 Mechanical Diesel Engine, 300HP
$5,950 USD
(GOOD USED) 1996 Mack E7-300 Diesel Engine For Sale, MECHANICAL FUEL PUMP, 300HP @ 1950 RPM, Engine Model EM7-300, Displacement 728, 11GBA 27958 P1, Engine Serial # 6C0194, Stock # 1540...
Condition
Used
Assembly Number
11GBA 27958 P1
Horse Power
300 HP
Stock Number
1540
MLS Number
9750424
Category
Engines
Last Updated
9/27/2019
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
11
1
1993 Mack E7-300 Diesel Engine (MECHANICAL FUEL PUMP), 300HP
$6,000 USD
(GOOD USED) 1993 Mack E7-300 Diesel Engine For Sale, MECHANICAL FUEL PUMP, 300HP @ 1750 RPM, 11GBA 24569 P3, Engine Model EM7-300, Displacement 728, Engine Serial # 3K0636, Stock # 1525 🖥...
Condition
Used
CPL/ARR
11GBA 24569 P3
Horse Power
300 HP
Stock Number
1525
MLS Number
9713686
Category
Engines
Last Updated
9/27/2019
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
6
0
2002 Mack E7 Engine
Call for price
USED E7-300 E-TEC MACK ENGINE WITH 300 HP, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK.
Condition
Used
Horse Power
300 HP
Stock Number
683-0927195
MLS Number
9923237
Category
Engines
Last Updated
5/30/2020
Location
Miami, FL, US
Sold By
4-Trucks Enterprises LLC
(833) 734-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
6
0
1999 Mack E7 / ETECH Engine 300HP
Call for price
STOCK: 641-0924199 - SN:9N0895, 1999 MACK E7 E-TEC ENGINE 300 HP, USED E7 E-TECH MACK ENGINE WITH 300 HP, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK.
Condition
Used
Horse Power
300 HP
Stock Number
641-0924199
MLS Number
9918902
Category
Engines
Last Updated
5/30/2020
Location
Miami, FL, US
Sold By
4-Trucks Enterprises LLC
(833) 734-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
6
1
1993 Mack EM7-300 Engine 300HP
Call for price
1993 MACK EM7-300 SEMI ELECTRONIC ENGINE 300 HP USED 93 MACK EM7-300 ENGINE, SEMI ELECTRONIC, TESTED RUNNING GOOD.
Condition
Used
Horse Power
300 HP
Stock Number
320-0809199
MLS Number
9861033
Category
Engines
Last Updated
5/30/2020
Location
Miami, FL, US
Sold By
4-Trucks Enterprises LLC
(833) 734-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
5
1
2007 Mack MP7 Diesel Engine
$8,900 USD
(GOOD USED) 2007 Mack MP7 Diesel Engine, Serial # 520437, 325HP @ 2600 RPM, 10.8L, Exhaust Family # EM, EC, TC, CAC, DI, EGR, DPF. Engine Family # 7VPTH10.8H04. For more information on this...
Condition
Used
Horse Power
325 HP
Stock Number
004256
MLS Number
9874773
Category
Engines
Last Updated
8/21/2019
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
4
1
2007 Mack MP7 Diesel Engine
$8,900 USD
(GOOD USED) 2007 Mack MP7 Diesel Engine, Serial # 520913, 325HP @ 2600 RPM, 10.8L, Exhaust Family # EM, EC, TC, CAC, DI, EGR, DPF. Engine Family # 7VPTH10.8H04. For more information on this...
Condition
Used
Horse Power
325 HP
Stock Number
004255
MLS Number
9873565
Category
Engines
Last Updated
8/21/2019
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
6
0
1997 Mack E7-300 Engine 300 HP
Call for price
1997 MACK E7-300 ENGINE 300 HP USED E7-300 MACK MECHANICAL ENGINE WITH JAKE BRAKE(ENGINE BRAKE), COMPLETED AND TESTED GOOD RUNNER ENGINE, ALSO MANY ENGINES IN STOCK.
Condition
Used
Horse Power
300 HP
Stock Number
397-0819194
MLS Number
9869301
Category
Engines
Last Updated
5/30/2020
Location
Miami, FL, US
Sold By
4-Trucks Enterprises LLC
(833) 734-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
5
0
1995 Mack EM7 Diesel Engine
$6,000 USD
(USED) 1995 Mack EM7 300 Diesel Engine (SEMI ELECTRONIC FUEL PUMP), Serial # 5N1267, 300HP @ 1750LBS, 11GBA 26466 P1, LOW MILES!!!! Test Run. Visit JJREBUILDERS for more information on this...
Condition
Used
Horse Power
300 HP
Stock Number
004204
MLS Number
9865079
Category
Engines
Last Updated
8/14/2019
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
6
1
1997 MACK E7-300 ENGINES 300 HP
Call for price
1997USED E7-300 HP MACK MECHANICAL ENGINE, ENGINE TESTED RUNNING GOOD
Condition
Used
Horse Power
300 HP
Stock Number
210-0720192 - SN:7V1274
MLS Number
9844632
Category
Engines
Last Updated
5/30/2020
Location
Miami, FL, US
Sold By
4-Trucks Enterprises LLC
(833) 734-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
5
1
1993 MACK E7-300 ENGINE 300 HP
Call for price
USED E7-300 HP MECHANICAL MACK ENGINE, ENGINE TESTED RUNNING GOOD.
Condition
Used
Horse Power
300 HP
Stock Number
198-0718193 - SN:3H1356
MLS Number
9842893
Category
Engines
Last Updated
5/30/2020
Location
Miami, FL, US
Sold By
4-Trucks Enterprises LLC
(833) 734-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
5
0
1997 Mack E7-350 Diesel Engine
$6,000 USD
(GOOD USED) 1997 Mack E7-300 Diesel Engine, MECHANICAL FUEL PUMP, 300HP @ 1950 RPM, Engine Model EM7-300, 11GBA # 79558, Engine Serial # 7V1262, Stock # 004201, WATCH TEST RUN VIDEO ON JJ...
Condition
Used
Horse Power
300 HP
Stock Number
004201
MLS Number
9842863
Category
Engines
Last Updated
7/18/2019
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
5
1
1997 Mack E7 Diesel Engine
$6,000 USD
(GOOD USED) 1997 Mack E7-300 Diesel Engine, MECHANICAL FUEL PUMP, 300HP @ 1950 RPM, Engine Model EM7-300, 11GBA # 79558, Engine Serial # 7V1262, Stock # 004201, WATCH TEST RUN VIDEO ON JJ...
Condition
Used
Horse Power
300 HP
Stock Number
004201
MLS Number
9842862
Category
Engines
Last Updated
7/18/2019
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
6
0
2008 MACK MP7 ENGINES 345 HP
Call for price
USED MP7-345 HP MACK ENGINE, COMPLETE TESTED, RUNNING GOOD, READY TO WORK
Condition
Used
Horse Power
345 HP
Stock Number
163-06141915 - SN:509757
MLS Number
9827045
Category
Engines
Last Updated
5/30/2020
Location
Miami, FL, US
Sold By
4-Trucks Enterprises LLC
(833) 734-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
7
0
1998 MACK E7-300 E-TECH ENGINES 300 HP
Call for price
USED 1998 MACK E7-300 HP GOOD RUNNER ENGINE READY TO WORK.
Condition
Used
Horse Power
300 HP
Stock Number
150-0614192 - SN:8J1953
MLS Number
9799638
Category
Engines
Last Updated
5/30/2020
Location
Miami, FL, US
Sold By
4-Trucks Enterprises LLC
(833) 734-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
6
0
1995 MACK EM7-300 ENGINES 300HP
Call for price
USED EM7-300 HP MACK ENGINE, WITH ENGINE BRAKE(JAKE BRAKE) RUNNING GOOD, TESTED.
Condition
Used
Horse Power
300 HP
Stock Number
133-0612194 - SN:5N1084
MLS Number
9796670
Category
Engines
Last Updated
5/30/2020
Location
Miami, FL, US
Sold By
4-Trucks Enterprises LLC
(833) 734-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
2
3
4
5
6
7
8
Save Search
Email Alert
What's
Save Search and Email Alert
?
Want to narrow or modify your search criteria?
Filter by Price
Filter by Year
Filter by Location
Filter by Model
Filter by Keyword
Modify your search
Did you find what you were looking for?
Yes
No
What option below best describes your issue?
Choose an option...
I still cannot find what I am looking for.
How do I filter or sort my search?
Could you add a feature?
A picture or description looks incorrect.
Something is broken.
Thank you for the feedback! If you have any suggestions on how to improve our site, please let us know.
Send Feedback
Thank you for the feedback! Your suggestions and feedback immensely help us improve our site.
Got a engine to sell? In minutes, you can create an online listing for your engine and advertise it to thousands of buyers.
Start selling today
Search Saved
Your search criteria for
has been saved. Quickly jump to this search by going to
My Account
and
Saved Searches
.
Alert Created
Your new listings email alert for
has been created. To change the email frequency or to modify your alerts, click on
My Account
,
Personal Settings
, and
New Listing Alerts
.