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
Logging Equipment
Farm Equipment
Lifting Equipment
Attachments
Heavy Duty Truck Parts
Heavy Equipment & Tractor Parts
Trailer Parts
Aggregate & Mining Equipment
Biomass Equipment
Waste Management & Recycling Equipment
Woodworking & Sawmill Equipment
Industrial Equipment
Recreation & Utility Vehicles
Cars & SUVs
Lawn & Garden
Tools & Material
My Little Salesman Magazine
July 2025
For Rent
Commercial Trucks
Trailers
Construction Equipment
Logging Equipment
Farm Equipment
Lifting Equipment
Attachments
Aggregate & Mining Equipment
Biomass 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
Trucks
12 Speed Trucks with Flex Air Suspension For Sale
Filter
3
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
Trucks
Transmission Speeds
12 Speed
Suspension Type
Flex Air
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
Trucks
(13)
Category
Cab & Chassis Trucks
(2)
Day Cab Semi Trucks
(1)
Gasoline / Fuel Trucks
(2)
Sleeper Semi Trucks
(8)
Manufacturer
Kenworth
(5)
Peterbilt
(8)
Model
Select a manufacturer to view available models.
Condition
Used
(13)
Model Year
-
GVWR Category
Heavy Duty
(13)
Rear Axle
Tandem
(13)
Transmission Type
Automatic
(10)
Automated
(3)
Transmission Speed
12 Speed
(13)
Drive Train
6x4
(13)
Suspension Type
Flex Air
(13)
Cab Style
Regular Cab
(5)
Fuel Type
Diesel
(11)
Mileage
-
Horsepower
-
Price
-
Country
United States
(13)
State / Region
Select a state below and click
Refine Results
.
California (5)
Georgia (2)
New Jersey (1)
Pennsylvania (5)
Market Type
For Sale
(13)
Filter by Category
Sleeper Semi Trucks
Day Cab Semi Trucks
Cab & Chassis Trucks
Gasoline / Fuel Trucks
1-13 of 13 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
1-13 of 13
results
Featured Item
27
1
2022 Peterbilt 579 Sleeper Semi Truck
$79,900 USD
2022 Peterbilt 579 – Road Ready and Fleet Friendly! Stock1272928, Looking for late-model trucks that are driver-preferred and ready to roll? Check out our 2022 Peterbilt 579 units, built...
Quantity
6
Condition
Used
Usage
424,000 Miles
Duty Class
Heavy Duty Sleeper Semi Truck
Horse Power
400 HP
Engine Model
Cummins X15
Drivetrain
6x4
Transmission
12 Speed Endurant Automated
Sleeper Type
Unibilt
Sleeper Size
80"
Suspension
Flex Air
Rear Axle
Tandem Axle
Rear End
40,000 lb 2.79 ratio
Stock Number
1272928
MLS Number
13503970
Category
Sleeper Semi Trucks
Last Updated
7/19/2025
Location
Atlanta, GA, US
Sold By
Rush Truck Centers Atlanta
(888) 493-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
30
0
2020 Kenworth T680 Day Cab Truck - Paccar 405HP, 12 Speed Automatic
Recently Updated
Call for price
Paccar MX-13 (485HP), Engine Brake, Paccar PO-16F112 12-Speed Automatic Transmission, Paccar 38,000# Dual Rear Drive Axles (3.25 Ratio), Flex Air Suspension w/ Dash Deflate Switch, 12,350#...
Condition
Used
Usage
9,208 Hours
Duty Class
Heavy Duty Day Cab Truck
Horse Power
405 HP
Engine Model
Paccar MX-13
Drivetrain
6x4
Transmission
12 Speed Automatic
Suspension
Flex Air
Rear Axle
Tandem Axle
Rear End
38,000 lb 3.25 ratio
Stock Number
E17858
MLS Number
12446860
Category
Day Cab Semi Trucks
Last Updated
7/25/2025
Location
Healdsburg, CA, US
Sold By
Opperman & Son, Inc.
(855) 906-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
12
0
2020 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Automatic
$99,950 USD
**MAKE AN OFFER!** Used Peterbilt 579 sleeper for sale. Features: Air Ride Cab, Carrier APU, Stainless Mudflap Brackets, Stainless Quarter Fenders, Hood Spot Mirrors, Painted Sun Visor with...
Condition
Used
Usage
6,121 Hours
Duty Class
Heavy Duty Sleeper Semi Truck
Horse Power
455 HP
Engine Model
Paccar MX-13
Drivetrain
6x4
Transmission
12 Speed Endurant Automatic
Sleeper Type
Raised Roof Sleeper
Sleeper Size
80"
Suspension
Flex Air
Rear Axle
Tandem Axle
Rear End
38,000 lb 2.64 ratio
Stock Number
22P267
MLS Number
11611102
Category
Sleeper Semi Trucks
Last Updated
7/16/2025
Location
Coopersburg, PA, US
Sold By
Coopersburg & Liberty Kenworth
(855) 642-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
10
0
2020 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Automatic
$99,950 USD
**MAKE AN OFFER!** Used Peterbilt 579 Sleeper for sale. Features: Air Ride Cab, Espar Heater, Stainless Quarter Fenders, Stainless Mudflap Brackets, Hood Spot Mirrors, Sun Visor with Lights,...
Condition
Used
Usage
6,516 Hours
Duty Class
Heavy Duty Sleeper Semi Truck
Horse Power
455 HP
Engine Model
Paccar MX-13
Drivetrain
6x4
Transmission
12 Speed Endurant Automatic
Sleeper Type
Raised Roof Sleeper
Sleeper Size
80"
Suspension
Flex Air
Rear Axle
Tandem Axle
Rear End
40,000 lb 2.64 ratio
Stock Number
22P265
MLS Number
11603990
Category
Sleeper Semi Trucks
Last Updated
7/16/2025
Location
Coopersburg, PA, US
Sold By
Coopersburg & Liberty Kenworth
(855) 642-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
12
0
2020 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Automatic
$99,950 USD
**MAKE AN OFFER!** Used Peterbilt 579 Sleeper for sale. Features: Air Ride Cab, Carrier APU, Stainless Quarter Fenders, Stainless Mudflap Brackets, Aluminum Storage Box, 2 Hood Spot Mirrors,...
Condition
Used
Usage
7,509 Hours
Duty Class
Heavy Duty Sleeper Semi Truck
Horse Power
455 HP
Engine Model
Paccar MX-13
Drivetrain
6x4
Transmission
12 Speed Endurant Automatic
Sleeper Type
Raised Roof Sleeper
Sleeper Size
80"
Suspension
Flex Air
Rear Axle
Tandem Axle
Rear End
38,000 lb 2.64 ratio
Stock Number
22P262
MLS Number
11603938
Category
Sleeper Semi Trucks
Last Updated
7/16/2025
Location
Coopersburg, PA, US
Sold By
Coopersburg & Liberty Kenworth
(855) 642-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
10
0
2020 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Automatic
$99,950 USD
**MAKE AN OFFER!** Used Peterbilt 579 sleeper for sale. Features: Air Ride Cab, Carrier APU, Stainless Mudflap Brackets, Stainless Quarter Fenders, Hood Spot Mirrors, Painted Sun Visor with...
Condition
Used
Usage
6,865 Hours
Duty Class
Heavy Duty Sleeper Semi Truck
Horse Power
455 HP
Engine Model
Paccar MX-13
Drivetrain
6x4
Transmission
12 Speed Endurant Automatic
Sleeper Type
Raised Roof Sleeper
Sleeper Size
80"
Suspension
Flex Air
Rear Axle
Tandem Axle
Rear End
38,000 lb 2.64 ratio
Stock Number
22P266
MLS Number
11603910
Category
Sleeper Semi Trucks
Last Updated
7/16/2025
Location
Coopersburg, PA, US
Sold By
Coopersburg & Liberty Kenworth
(855) 642-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
12
0
2020 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Automatic
$99,950 USD
**MAKE AN OFFER!** Used Peterbilt 579 High-top Sleeper for sale. Features: Air Ride Cab, Carrier APU, Aluminum Storage Box, Stainless Quarter Fenders, Stainless Mudflap Brackets, Hood Spot...
Condition
Used
Usage
7,649 Hours
Duty Class
Heavy Duty Sleeper Semi Truck
Horse Power
455 HP
Engine Model
Paccar MX-13
Drivetrain
6x4
Transmission
12 Speed Endurant Automatic
Sleeper Type
Raised Roof Sleeper
Sleeper Size
80"
Suspension
Flex Air
Rear Axle
Tandem Axle
Rear End
38,000 lb 2.64 ratio
Stock Number
22P264
MLS Number
11598822
Category
Sleeper Semi Trucks
Last Updated
7/16/2025
Location
Coopersburg, PA, US
Sold By
Coopersburg & Liberty Kenworth
(855) 642-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
23
1
2022 Peterbilt 579 Sleeper Semi Truck (Multiples Available)
$74,900 USD
2022 Peterbilt 579 – 80" Ultraloft Sleeper, X15 Power, Thermo King APU Stock #1271561 This 2022 Peterbilt 579 is spec’d for comfort and efficiency with a strong focus on uptime and fuel...
Quantity
6
Condition
Used
Usage
427,300 Miles
Duty Class
Heavy Duty Sleeper Semi Truck
Horse Power
400 HP
Engine Model
Cummins ISX
Drivetrain
6x4
Transmission
12 Speed Endurant Automated
Sleeper Type
UltraLoft
Sleeper Size
80"
Suspension
Flex Air
Rear Axle
Tandem Axle
Rear End
2.79 ratio
Stock Number
1271561
MLS Number
13523900
Category
Sleeper Semi Trucks
Last Updated
7/9/2025
Location
Atlanta, GA, US
Sold By
Rush Truck Centers Atlanta
(888) 493-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
14
0
2021 Peterbilt 579 Sleeper Semi Truck - Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Amt
$61,900 USD
HUNTER CERTIFIED,
Condition
Used
Usage
385,437 Miles
Duty Class
Heavy Duty Sleeper Semi Truck
Horse Power
455 HP
Engine Model
Paccar MX-13
Drivetrain
6x4
Transmission
12 Speed Endurant Automated
Sleeper Type
Raised Roof Sleeper
Suspension
Flex Air
Rear Axle
Tandem Axle
Rear End
40,000 lb
Stock Number
280674
MLS Number
13576644
Category
Sleeper Semi Trucks
Last Updated
5/14/2025
Location
Millstone Township, NJ, US
Sold By
Hunter Truck
(833) 970-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
26
0
2019 Kenworth T680 Tandem Axle Cab & Chassis Truck - Paccar, 400HP, 12 Speed Ultrashift Automatic
Call for price
2019 KENWORTH T680 3-AXLE, MX13 (400 HP), Engine Brake, Paccar PO-16F112 Automatic Transmission, Meritor MP40-14X3 38,000# Dual Drive Rear Axles (4.11 Ratio), Paccar Flex Air Suspension w/...
Condition
Used
Usage
11,455 Hours
Duty Class
Heavy Duty Cab & Chassis Truck
Horse Power
400 HP
Engine Model
Paccar MX-13
Drivetrain
6x4
Transmission
12 Speed Ultrashift Automatic
Suspension
Flex Air
Rear Axle
Tandem Axle
Rear End
38,000 lb 4.11 ratio
Floor Type
Wood Floor
Winch
Yes
Stock Number
E18200
MLS Number
13279726
Category
Cab & Chassis Trucks
Last Updated
3/13/2025
Location
Healdsburg, CA, US
Sold By
Opperman & Son, Inc.
(855) 906-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
64
0
2020 Kenworth T680 4800 Gallon Gasoline / Fuel Truck - Paccar 400HP, 12 Speed Automatic
Call for price
2019 KENWORTH T680 3-AXLE, MX13 (400 HP), Engine Brake, Paccar PO-16F112 Automatic Transmission, Meritor MP40-14X3 38,000# Dual Drive Rear Axles (4.11 Ratio), Paccar Flex Air Suspension w/...
Condition
Used
Usage
12,522 Hours
Duty Class
Heavy Duty Gasoline / Fuel Truck
Horse Power
400 HP
Engine Model
Paccar MX-13
Drivetrain
6x4
Transmission
12 Speed Automatic
Suspension
Flex Air
Rear Axle
Tandem Axle
Rear End
38,000 lb 4.11 ratio
Capacity
4800 Gallons
Stock Number
E18187
MLS Number
13307448
Category
Gasoline / Fuel Trucks
Last Updated
1/1/2025
Location
Healdsburg, CA, US
Sold By
Opperman & Son, Inc.
(855) 906-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
30
0
2019 Kenworth T680 4800 Gallon Gasoline / Fuel Truck - Paccar 400HP, 12 Speed Automatic
Call for price
2019 KENWORTH T680 3-AXLE, MX13 (400 HP), Engine Brake, Paccar PO-16F112 Automatic Transmission, Meritor MP40-14X3 38,000# Dual Drive Rear Axles (4.11 Ratio), Paccar Flex Air Suspension w/...
Condition
Used
Usage
399,181 Miles
Duty Class
Heavy Duty Gasoline / Fuel Truck
Horse Power
400 HP
Drivetrain
6x4
Transmission
12 Speed Automatic
Suspension
Flex Air
Rear Axle
Tandem Axle
Rear End
38,000 lb 4.11 ratio
Capacity
4800 Gallons
Stock Number
E18184
MLS Number
13289341
Category
Gasoline / Fuel Trucks
Last Updated
12/17/2024
Location
Healdsburg, CA, US
Sold By
Opperman & Son, Inc.
(855) 906-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
27
0
2019 Kenworth T680 Tandem Axle Cab & Chassis Truck - Paccar, 400HP, 12 Speed Ultrashift Automatic
Call for price
2019 KENWORTH T680 3-AXLE MX13 (400 HP), Engine Brake, Paccar PO-16F112 Automatic Transmission, Meritor MP40-14X3 38,000# Dual Drive Rear Axles (4.11 Ratio), Paccar Flex Air Suspension w/...
Condition
Used
Usage
8,402 Hours
Duty Class
Heavy Duty Cab & Chassis Truck
Horse Power
400 HP
Engine Model
Paccar MX-13
Drivetrain
6x4
Transmission
12 Speed Ultrashift Automatic
Suspension
Flex Air
Rear Axle
Tandem Axle
Rear End
38,000 lb 4.11 ratio
Stock Number
E18202
MLS Number
13277941
Category
Cab & Chassis Trucks
Last Updated
12/11/2024
Location
Healdsburg, CA, US
Sold By
Opperman & Son, Inc.
(855) 906-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
1
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.
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
.