Used International 12 Speed 6x4 Trucks with Air Ride Suspension For Sale

Your Current Search
Industry
Trucks
Manufacturer
International
Drive Type
6x4
Transmission Speeds
12 Speed
Suspension Type
Air Ride
Condition
Used
Click the to remove the filter.
Narrow Your Search
Keyword Search
Search within the selected criteria
Industry
Trucks (281)
Manufacturer
International (281)
Model
Select a category to view available models.
Condition
Model Year
-
GVWR Category
Rear Axle
Transmission Type
Transmission Speed
12 Speed (281)
Drive Train
6x4 (281)
Engine Manufacturer
Suspension Type
Air Ride (281)
Cab Style
Fuel Type
Mileage
-
Horsepower
-
Price
-
State / Region
Select a country to view available states.
Market Type
1-25 of 281 results
1-25 of 281 results
International LT Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic
44 0

2023 International LT Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Newly Listed
$78,000 USD
Low Miles, 450 Cummins, Endurant 12 speed auto, Diesel APU, 6 MO/50,000 Mile Engine and After Treatment Warranty,
ConditionUsed
Usage249,494 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automatic
Sleeper TypeRaised Roof Sleeper
Sleeper Size76"
SuspensionAir Ride
Stock Number2052
MLS Number13543526
CategorySleeper Semi Trucks
Last Updated4/28/2025
Location
Rhome, TX, US
Sold By

Jordan Truck Sales of Texas, LLC

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed
1 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

Newly Listed
$57,000 USD
Inspection Report
ConditionUsed
Usage384,316 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End20,000 lb 2.64 ratio
Stock Number500645
MLS Number13542944
CategorySleeper Semi Trucks
Last Updated4/27/2025
Location
West Sacramento, CA, US
Sold By

International Motors, LLC

International LT Sleeper Semi Truck - 75" Raised Roof Sleeper, A26 450HP, 12 Speed Endurant Amt
6 0

2021 International LT Sleeper Semi Truck - 75" Raised Roof Sleeper, A26 450HP, 12 Speed Endurant Amt

Newly Listed
$25,000 USD
NICE TRUCK, FLEET MAINTAINED, AIR SEAT, POWER WINDOWS, POWER MIRRORS, HEATED MIRRORS, TILT/TELE, DIFFERENTIAL LOCK, DUMP VALVE, SLIDING 5TH WHEEL, DOUBLE BUNK!,
ConditionUsed
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelInternational A26
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size75"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb
Stock Number21INTL385LT
MLS Number13542207
CategorySleeper Semi Trucks
Last Updated4/26/2025
Location
Covington, TN, US
Sold By

Don Baskin Truck Sales

International LT Sleeper Semi Truck - 75" Raised Roof Sleeper, A26 450HP, 12 Speed Endurant Amt
6 0

2021 International LT Sleeper Semi Truck - 75" Raised Roof Sleeper, A26 450HP, 12 Speed Endurant Amt

Newly Listed
$25,000 USD
NICE TRUCK, FLEET MAINTAINED, AIR SEAT, POWER WINDOWS, POWER MIRRORS, HEATED MIRRORS, TILT/TELE, DIFFERENTIAL LOCK, DUMP VALVE, SLIDING 5TH WHEEL, DOUBLE BUNK!,
ConditionUsed
Usage387,468 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelInternational A26
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size75"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb
Stock Number21INTL387LTPRO
MLS Number13542205
CategorySleeper Semi Trucks
Last Updated4/26/2025
Location
Covington, TN, US
Sold By

Don Baskin Truck Sales

International LT625 Sleeper Semi Truck - 73" Hi Rise Sleeper, Cummins 400HP, 12 Speed
6 0

2021 International LT625 Sleeper Semi Truck - 73" Hi Rise Sleeper, Cummins 400HP, 12 Speed

Newly Listed
$53,000 USD
Inspection Report
ConditionUsed
Usage435,991 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeHi Rise Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End20,000 lb 2.64 ratio
Stock Number502531
MLS Number13541761
CategorySleeper Semi Trucks
Last Updated4/26/2025
Location
Tampa, FL, US
Sold By

International Motors, LLC

International LT Sleeper Semi Truck - 75" Raised Roof Sleeper, A26 450HP, 12 Speed Endurant Amt
6 0

2021 International LT Sleeper Semi Truck - 75" Raised Roof Sleeper, A26 450HP, 12 Speed Endurant Amt

Recently Updated
$25,000 USD
NICE TRUCK, FLEET MAINTAINED, AIR SEAT, POWER WINDOWS, POWER MIRRORS, HEATED MIRRORS, TILT/TELE, DIFFERENTIAL LOCK, DUMP VALVE, SLIDING 5TH WHEEL, DOUBLE BUNK!,
ConditionUsed
Usage399,042 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelInternational A26
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size75"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb
Stock Number21INTL399LT
MLS Number13443909
CategorySleeper Semi Trucks
Last Updated4/26/2025
Location
Covington, TN, US
Sold By

Don Baskin Truck Sales

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed
33 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Recently Updated
$61,000 USD
Inspection Report
ConditionUsed
Usage400,065 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End20,000 lb 2.85 ratio
Stock Number499893
MLS Number13450166
CategorySleeper Semi Trucks
Last Updated4/25/2025
Location
Joliet, IL, US
Sold By

International Motors, LLC

International LT625 Day Cab Truck - A26 450HP, 12 Speed
29 0

2020 International LT625 Day Cab Truck - A26 450HP, 12 Speed

Recently Updated
$31,977 USD
NEW Worry-Free Program AVAILABLE ļæ½ 1 OR 2-Year Factory-Backed Engine Aftertreatment Warranty + Extended Vehicle Coverage Preventive Maintenance Service AVAILABLE. $0 Deductible. No Claim...
Inspection Report
ConditionUsed
Usage258,321 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelInternational A26
Drivetrain6x4
Transmission12 Speed Automated
SuspensionAir Ride
Rear End40,000 lb 2.64 ratio
Stock Number498605
MLS Number12991713
CategoryDay Cab Semi Trucks
Last Updated4/25/2025
Location
Shreveport, LA, US
Sold By

International Motors, LLC

International LT625 Day Cab Truck - Cummins 400HP, 12 Speed
3 0

2020 International LT625 Day Cab Truck - Cummins 400HP, 12 Speed

Newly Listed
$55,000 USD
Cummins X1512 Speed Auto. TransmissionNew Virgin Tires
Inspection Report
ConditionUsed
Usage237,194 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
SuspensionAir Ride
Rear End40,000 lb 2.79 ratio
Stock Number502648
MLS Number13536954
CategoryDay Cab Semi Trucks
Last Updated4/24/2025
Location
La Vergne, TN, US
Sold By

International Motors, LLC

International LT625 Day Cab Truck - Cummins 400HP, 12 Speed
1 0

2019 International LT625 Day Cab Truck - Cummins 400HP, 12 Speed

Newly Listed
$44,000 USD
Inspection Report
ConditionUsed
Usage322,019 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
SuspensionAir Ride
Rear End40,000 lb 2.79 ratio
Stock Number499701
MLS Number13536950
CategoryDay Cab Semi Trucks
Last Updated4/25/2025
Location
Joliet, IL, US
Sold By

International Motors, LLC

International LT625 Day Cab Truck - Cummins 400HP, 12 Speed
31 0

2019 International LT625 Day Cab Truck - Cummins 400HP, 12 Speed

Recently Updated
$34,500 USD
Inspection Report
ConditionUsed
Usage329,723 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
SuspensionAir Ride
Rear End40,000 lb 2.79 ratio
Stock Number497451
MLS Number12925373
CategoryDay Cab Semi Trucks
Last Updated4/24/2025
Location
Etna, OH, US
Sold By

International Motors, LLC

International LT Sleeper Semi Truck - 68" Raised Roof Sleeper, Cummins 450HP, Automatic
39 1

2021 International LT Sleeper Semi Truck - 68" Raised Roof Sleeper, Cummins 450HP, Automatic

Recently Updated
$42,900 USD
*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** AUTOMATIC!!! DEF, ENGINE BRAKE, SLIDING 5TH WHEEL, DEF, TRAILER BRAKE, SUSPENSION AIR DUMP Se Habla EspaƱol! NO CREDIT? BAD...
ConditionUsed
Usage514,310 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automatic
Sleeper TypeRaised Roof Sleeper
Sleeper Size68"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.85 ratio
Stock NumberB03341-DELIVERY 2 U
MLS Number13352803
CategorySleeper Semi Trucks
Last Updated4/24/2025
Location
Bakersfield, CA, US
Sold By

Diamond Truck Sales Inc

International LT Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 450HP, Automatic
45 1

2021 International LT Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 450HP, Automatic

Recently Updated
$44,900 USD
*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** AUTOMATIC!!! DEF, ENGINE BRAKE, SLIDING 5TH WHEEL, PDL LOCK, OFF ROAD Se Habla EspaƱol! NO CREDIT? BAD CREDIT? NO PROBLEM!!...
ConditionUsed
Usage484,339 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automatic
Sleeper TypeRaised Roof Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.85 ratio
Stock NumberB03336-DELIVERY 2 U
MLS Number13332516
CategorySleeper Semi Trucks
Last Updated4/24/2025
Location
Bakersfield, CA, US
Sold By

Diamond Truck Sales Inc

International LT Sleeper Semi Truck - 60" Raised Roof Sleeper, Cummins 500HP, 12 Speed Endurant Amt
40 1

2023 International LT Sleeper Semi Truck - 60" Raised Roof Sleeper, Cummins 500HP, 12 Speed Endurant Amt

Recently Updated
Call for price
- Inverter modelELEMINATOR 3000 WATT, - WEBASTO,
ConditionUsed
Usage6,900 Hours
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power500 HP
Engine ModelCummins X15E
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size60"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.79 ratio
Stock NumberC-36099
MLS Number13328968
CategorySleeper Semi Trucks
Last Updated4/24/2025
Location
Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By

Gamache Truck Center

International LT625 Day Cab Truck - A26 450HP, 12 Speed
30 0

2020 International LT625 Day Cab Truck - A26 450HP, 12 Speed

Recently Updated
$38,000 USD
60-Day Truck Protect Promise with qualifying Retail Purchase. 1 2-Year Factory-Backed Engine Aftertreatment Warranty AVAILABLE. $0 Deductible. No Claim Maximum. Backed by Dealer Network of...
Inspection Report
ConditionUsed
Usage235,267 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelInternational A26
Drivetrain6x4
Transmission12 Speed Automated
SuspensionAir Ride
Rear End40,000 lb 2.64 ratio
Stock Number498483
MLS Number12988819
CategoryDay Cab Semi Trucks
Last Updated4/23/2025
Location
Shreveport, LA, US
Sold By

International Motors, LLC

International LT625 Day Cab Truck - A26 450HP, 12 Speed
30 0

2020 International LT625 Day Cab Truck - A26 450HP, 12 Speed

Recently Updated
$34,000 USD
1 2-YR Factory-Backed Engine Aftertreatment Warranty + Extended Vehicle Coverage Towing AVAILABLE. $0 Deductible.
Inspection Report
ConditionUsed
Usage243,939 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelInternational A26
Drivetrain6x4
Transmission12 Speed Automated
SuspensionAir Ride
Rear End40,000 lb 2.64 ratio
Stock Number498639
MLS Number12935396
CategoryDay Cab Semi Trucks
Last Updated4/23/2025
Location
Shreveport, LA, US
Sold By

International Motors, LLC

International LT625 Day Cab Truck - A26 450HP, 12 Speed
30 0

2020 International LT625 Day Cab Truck - A26 450HP, 12 Speed

Recently Updated
$29,900 USD
1 2-YR Factory-Backed Engine Aftertreatment Warranty + Extended Vehicle Coverage Towing AVAILABLE. $0 Deductible. No Claim Maximum. Backed by Dealer Network of 700+ Locations.
Inspection Report
ConditionUsed
Usage292,070 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelInternational A26
Drivetrain6x4
Transmission12 Speed Automated
SuspensionAir Ride
Rear End40,000 lb 2.64 ratio
Stock Number498594
MLS Number12904430
CategoryDay Cab Semi Trucks
Last Updated4/23/2025
Location
Shreveport, LA, US
Sold By

International Motors, LLC

International LT625 Day Cab Truck - A26 450HP, 12 Speed
31 0

2020 International LT625 Day Cab Truck - A26 450HP, 12 Speed

Recently Updated
$35,000 USD
Inspection Report
ConditionUsed
Usage290,693 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelInternational A26
Drivetrain6x4
Transmission12 Speed Automated
SuspensionAir Ride
Rear End40,000 lb 2.64 ratio
Stock Number498595
MLS Number12925379
CategoryDay Cab Semi Trucks
Last Updated4/23/2025
Location
Shreveport, LA, US
Sold By

International Motors, LLC

International LT625 Day Cab Truck - A26 450HP, 12 Speed
30 0

2020 International LT625 Day Cab Truck - A26 450HP, 12 Speed

Recently Updated
$32,500 USD
1 2-YR Factory-Backed Engine Aftertreatment Warranty + Extended Vehicle Coverage Towing AVAILABLE. $0 Deductible. No Claim Maximum. Backed by Dealer Network of 700+ Locations.
Inspection Report
ConditionUsed
Usage264,961 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelInternational A26
Drivetrain6x4
Transmission12 Speed Automated
SuspensionAir Ride
Rear End40,000 lb 2.64 ratio
Stock Number498593
MLS Number12902451
CategoryDay Cab Semi Trucks
Last Updated4/23/2025
Location
Shreveport, LA, US
Sold By

International Motors, LLC

International LT625 Day Cab Truck - A26 450HP, 12 Speed
30 0

2020 International LT625 Day Cab Truck - A26 450HP, 12 Speed

Recently Updated
$41,500 USD
Inspection Report
ConditionUsed
Usage237,196 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelInternational A26
Drivetrain6x4
Transmission12 Speed Automated
SuspensionAir Ride
Rear End40,000 lb 2.64 ratio
Stock Number499084
MLS Number13517244
CategoryDay Cab Semi Trucks
Last Updated4/23/2025
Location
Shreveport, LA, US
Sold By

International Motors, LLC

International LT Sleeper Semi Truck - 66" Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt
37 1

2021 International LT Sleeper Semi Truck - 66" Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Recently Updated
Call for price
WEBASTO,
ConditionUsed
Usage9,616 Hours
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15E
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeMid Roof Sleeper
Sleeper Size66"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.25 ratio
Stock NumberC-35971
MLS Number13396188
CategorySleeper Semi Trucks
Last Updated4/23/2025
Location
Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By

Gamache Truck Center

International LoneStar Sleeper Semi Truck - Raised Roof Sleeper, Cummins 485HP, 12 Speed Amt
29 2

2021 International LoneStar Sleeper Semi Truck - Raised Roof Sleeper, Cummins 485HP, 12 Speed Amt

Recently Updated
$89,500 USD
2021 International Lonestar, X15 Cummins 485 Hp, 12 Spd Automated, 228k Mi, Nationwide Delivery Available,
ConditionUsed
Usage228,000 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power485 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeRaised Roof Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb
Stock Number2042
MLS Number13376263
CategorySleeper Semi Trucks
Last Updated4/23/2025
Location
Sawyer, KS, US
Sold By

The Wrays, LLC

International LT Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic
34 1

2021 International LT Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated
$42,900 USD
*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, AUTOMATIC!!! SLIDING 5TH WHEEL, SIDE AND FULL FAIRINGS, LIQUID DEF, SUSPENSION AIR DUMP, ENGINE BRAKE, Se Habla EspaƱol! NO...
ConditionUsed
Usage490,587 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeRaised Roof Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Stock NumberH01547-DELIVERY 2 U
MLS Number13332194
CategorySleeper Semi Trucks
Last Updated4/23/2025
Location
Houston, TX, US
Sold By

Diamond Truck Sales Inc

International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, Cummins 400HP, 12 Speed
3 0

2022 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, Cummins 400HP, 12 Speed

Newly Listed
$73,000 USD
NEW VIRGIN RUBBER, CUMMINS POWER,PM, DOT, AVAILABLE WARRANTY
Inspection Report
ConditionUsed
Usage217,876 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeHi Rise Sleeper
Sleeper Size56"
SuspensionAir Ride
Rear End20,000 lb 2.79 ratio
Stock Number502634
MLS Number13531143
CategorySleeper Semi Trucks
Last Updated4/22/2025
Location
La Vergne, TN, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed
2 0

2023 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Newly Listed
$92,500 USD
NEW VIRGIN RUBBER, CUMMINS POWER,PM, DOT, AVAILABLE WARRANTY, DOUBLE BUNK
Inspection Report
ConditionUsed
Usage232,915 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeRaised Roof Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End4,000 lb 2.79 ratio
Stock Number502777
MLS Number13531142
CategorySleeper Semi Trucks
Last Updated4/22/2025
Location
La Vergne, TN, US
Sold By

International Motors, LLC

Did you find what you were looking for? Yes No