Heavy Duty International 6x4 Sleeper Semi Trucks For Sale

(855) 640-___ SHOW
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2016 International ProStar Sleeper Semi Truck - 56" Mid Roof Sleeper, N13 450HP, 10 Speed Manual

$28,500 USD

LOW MILES~ 2016 INTERNATIONAL PROSTAR 56" MID ROOF SLEEPER, IHC N-13 450 HP DIESEL ENGINE, EATON FULLER 10SP TRANSMISSION, AIR RIDE SUSPENSION, REAT TIRES SUPER SINGLES, A/C, P/S,, APU UNIT...

Condition	Used
Usage	603,165 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International N13
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	56"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	118110
MLS Number	14407504
Category	Sleeper Semi Trucks
Last Updated	8/12/2026
Location	Canton, OH, US
Sold By	Brechbuhler Truck Sales

(833) 490-___ SHOW
NUMBERCall Seller

2024 International LT625 Sleeper Semi Truck, 407,000 Miles , EPU , Diamond Interior , 6 Month Factory Warranty , Financing Available

$74,950 USD

Warranty

Condition	Used
Usage	11,385 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15, Signature
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Sky Rise Pro Sleeper
Sleeper Size	73"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	U480160
MLS Number	14503199
Category	Sleeper Semi Trucks
Last Updated	7/23/2026
Location	Springfield, MO, US
Sold By	Tri State Truck Center - Springfield, MO

(844) 624-___ SHOW
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Tri State Truck Center - Springfield, MO

2020 International LoneStar Sleeper Semi Truck - Flat Top Sleeper, Cummins 605HP, 18 Speed Manual

Newly Listed

Contact for price

2020 INTERNATIONAL LONESTAR, X15 CUMMINS 605HP 2050 TORQUE, FULLY REBUILT ENGINE WITH PAPERWORK!! (PAPERWORK IN THE LOG SECTION BELOW), 495K MILES, 46K REARS, FULL LOCKERS, PUSHER AXLE,...

Condition	Used
Usage	495,702 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	605 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb
MLS Number	14561458
Category	Sleeper Semi Trucks
Last Updated	8/23/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

2023 International LT Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated

$69,900 USD

CLEAN FLEET MAINTAINED, 2023 INTERNATIONAL LT625, CUMMINS 450HP, EATON 12 SPEED AUTO TRANSMISSION,CARRIER DIESEL APU, 53,200 GVWR, ALL ALLUMINUM RIMS, 228 WHEEL BASE, 73" SKY RISE DOUBLE...

Quantity	8
Condition	Used
Usage	433,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	7376
MLS Number	14543526
Category	Sleeper Semi Trucks
Last Updated	8/23/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

2023 International LT Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated

$67,900 USD

CLEAN FLEET MAINTAINED, 2023 INTERNATIONAL LT625, CUMMINS 450HP, EATON 12 SPEED AUTO TRANSMISSION,CARRIER DIESEL APU, 53,200 GVWR, ALL ALLUMINUM RIMS, 228 WHEEL BASE, 73" SKY RISE DOUBLE...

Quantity	8
Condition	Used
Usage	469,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	7375
MLS Number	14543524
Category	Sleeper Semi Trucks
Last Updated	8/23/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

2023 International LT Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated

$69,900 USD

CLEAN FLEET MAINTAINED, 2023 INTERNATIONAL LT625, CUMMINS 450HP, EATON 12 SPEED AUTO TRANSMISSION, CARRIER DIESEL APU, 53,200 GVWR, ALL ALLUMINUM RIMS, 228 WHEEL BASE, 73" SKY RISE DOUBLE...

Quantity	8
Condition	Used
Usage	402,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	7374
MLS Number	14543523
Category	Sleeper Semi Trucks
Last Updated	8/23/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

2023 International LT Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated

$69,900 USD

CLEAN FLEET MAINTAINED, 2023 INTERNATIONAL LT625, CUMMINS 450HP, EATON 12 SPEED AUTO TRANSMISSION,CARRIER DIESEL APU, 53,200 GVWR, ALL ALLUMINUM RIMS, 228 WHEEL BASE, 73" SKY RISE DOUBLE...

Quantity	8
Condition	Used
Usage	420,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	7373
MLS Number	14543522
Category	Sleeper Semi Trucks
Last Updated	8/23/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

2023 International LT Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated

$67,900 USD

CLEAN FLEET MAINTAINED, 2023 INTERNATIONAL LT625, CUMMINS 450HP, EATON 12 SPEED AUTO TRANSMISSION,CARRIER DIESEL APU, 53,200 GVWR, ALL ALLUMINUM RIMS, 228 WHEEL BASE, 73" SKY RISE DOUBLE...

Quantity	8
Condition	Used
Usage	474,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	7372
MLS Number	14543520
Category	Sleeper Semi Trucks
Last Updated	8/23/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

2023 International LT Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated

$67,900 USD

CLEAN FLEET MAINTAINED, 2023 INTERNATIONAL LT625, CUMMINS 450HP, EATON 12 SPEED AUTO TRANSMISSION, CARRIER DIESEL APU, 53,200 GVWR, ALL ALLUMINUM RIMS, 228 WHEEL BASE, 73" SKY RISE DOUBLE...

Quantity	8
Condition	Used
Usage	477,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	7371
MLS Number	14543519
Category	Sleeper Semi Trucks
Last Updated	8/23/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

2023 International LT Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated

$69,900 USD

CLEAN FLEET MAINTAINED, 2023 INTERNATIONAL LT625, CUMMINS 450HP, EATON 12 SPEED AUTO TRANSMISSION, CARRIER DIESEL APU, 53,200 GVWR, ALL ALLUMINUM RIMS, 228 WHEEL BASE, 73" SKY RISE DOUBLE...

Quantity	8
Condition	Used
Usage	436,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	7370
MLS Number	14543517
Category	Sleeper Semi Trucks
Last Updated	8/23/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(855) 591-___ SHOW
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2020 International LT Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Recently Updated

$34,900 USD

2020 International LT625 – 1 Owner, Fleet Maintained International Sleeper!, Very clean, well-kept LT625 with a dependable Cummins-powered setup and plenty of room for the road! , 450 HP...

Condition	Used
Usage	509,544 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	843738
MLS Number	14533305
Category	Sleeper Semi Trucks
Last Updated	8/23/2026
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

(855) 591-___ SHOW
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2021 International LT Sleeper Semi Truck - Mid Roof Sleeper, A26 450HP, 10 Speed Amt

Recently Updated

$29,900 USD

2021 International LT625 – 1 Owner, Fleet Maintained International LT!, Well-equipped LT that drove all the way from Oklahoma with no issues—complete with a wet kit and cooler! , 450 HP...

Condition	Used
Usage	609,325 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	10 Speed Automated
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear End	3.25 ratio
Stock Number	483568
MLS Number	14523890
Category	Sleeper Semi Trucks
Last Updated	8/23/2026
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

(844) 307-___ SHOW
NUMBERCall Seller

2023 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

Price Drop $62,500 USD

*Unit is advertised as Manager Special. Subject to terms and approval.

Condition	Used
Usage	425,234 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	40,000 lb 2.79 ratio
Stock Number	505733
MLS Number	14256790
Category	Sleeper Semi Trucks
Last Updated	8/22/2026
Location	West Sacramento, CA, US
Sold By	International Motors, LLC

(844) 307-___ SHOW
NUMBERCall Seller

2023 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

Price Drop $64,500 USD

*Unit is advertised as Manager Special. Subject to terms and approval.

Inspection Report

Condition	Used
Usage	418,102 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	40,000 lb 2.79 ratio
Stock Number	505936
MLS Number	14322668
Category	Sleeper Semi Trucks
Last Updated	8/22/2026
Location	West Sacramento, CA, US
Sold By	International Motors, LLC

2023 International LT Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated

$69,900 USD

CLEAN FLEET MAINTAINED, 2023 INTERNATIONAL LT625, CUMMINS 450HP, EATON 12 SPEED AUTO TRANSMISSION, CARRIER DIESEL APU, 53,200 GVWR, ALL ALLUMINUM RIMS, 228 WHEEL BASE, 73" SKY RISE DOUBLE...

Quantity	8
Condition	Used
Usage	426,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	7369
MLS Number	14543512
Category	Sleeper Semi Trucks
Last Updated	8/23/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

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

Price Drop $56,500 USD

CLEAN FLEET MAINTAINED 2021 INTERNATIONAL LT, CULMMINS X15, 450HP, 12 SPEED AUTO TRANSMISSION, 2.64 RATIOS, 73" DOUBLE BUNK CONDO SLEEPER, NO CODES, NO LEAKS, GOOD RUBBER,FRIDGE, COLLISION...

Quantity	4
Condition	Used
Usage	397,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	7356
MLS Number	14543467
Category	Sleeper Semi Trucks
Last Updated	8/22/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(844) 307-___ SHOW
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2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, A26 450HP, 12 Speed

Recently Updated

$49,500 USD

Inspection Report

Condition	Used
Usage	306,523 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.85 ratio
Stock Number	506661
MLS Number	14468637
Category	Sleeper Semi Trucks
Last Updated	8/21/2026
Location	Charlotte, NC, US
Sold By	International Motors, LLC

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

Newly Listed

$54,500 USD

CLEAN FLEET MAINTAINED 2021 INTERNATIONAL LT, CULMMINS X15, 450HP, 12 SPEED AUTO TRANSMISSION, 2.64 RATIOS, 73" DOUBLE BUNK CONDO SLEEPER, NO CODES, NO LEAKS, GOOD RUBBER,FRIDGE, COLLISION...

Condition	Used
Usage	445,787 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	7353
MLS Number	14557600
Category	Sleeper Semi Trucks
Last Updated	8/21/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

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

Newly Listed

$54,500 USD

CLEAN FLEET MAINTAINED 2021 INTERNATIONAL LT, CULMMINS X15, 450HP, 12 SPEED AUTO TRANSMISSION, 2.64 RATIOS, 73" DOUBLE BUNK CONDO SLEEPER, NO CODES, NO LEAKS, GOOD RUBBER,FRIDGE, COLLISION...

Condition	Used
Usage	446,560 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	7355
MLS Number	14555356
Category	Sleeper Semi Trucks
Last Updated	8/21/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(844) 362-___ SHOW
NUMBERCall Seller

2004 International 9900 Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 525HP, 13 Speed Manual

Newly Listed

$27,500 USD

9900I CUMMINS 525HP, RTLO18913A, MERITOR RT-40-145 - 3.42 RATIO REAENDS, 250" WB WITH NAV AIR RIDE

Condition	Used
Usage	1,572,675 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	525 HP
Engine Model	Cummins ISX15 525
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.42 ratio
Stock Number	4C021933
MLS Number	14555185
Category	Sleeper Semi Trucks
Last Updated	8/20/2026
Location	Owatonna, MN, US
Sold By	Curt's Truck and Diesel Service Inc.

(844) 823-___ SHOW
NUMBERCall Seller

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, A26 450HP, 12 Speed

Recently Updated

$45,000 USD

Inspection Report

Condition	Used
Usage	360,442 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.85 ratio
Stock Number	506971
MLS Number	14397253
Category	Sleeper Semi Trucks
Last Updated	8/20/2026
Location	Shreveport, LA, US
Sold By	International Motors, LLC

(844) 823-___ SHOW
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2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, A26 450HP, 12 Speed

Recently Updated

$41,000 USD

Inspection Report

Condition	Used
Usage	433,430 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.85 ratio
Stock Number	506210
MLS Number	14425135
Category	Sleeper Semi Trucks
Last Updated	8/20/2026
Location	Shreveport, LA, US
Sold By	International Motors, LLC

(866) 530-___ SHOW
NUMBERCall Seller

2020 International LT Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, Automatic

Recently Updated

$45,995 USD

2020 INTERNATIONAL LT, CUMMINS X15, AUTOMATIC TRANSMISSION, 428,882 MILES, FLEET MAINTAINED MULTIPLE UNITS AVAILABLE FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON...

Condition	Used
Usage	428,882 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	1575
MLS Number	13749892
Category	Sleeper Semi Trucks
Last Updated	8/19/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

2023 International LT Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

Newly Listed

$49,900 USD

CLEAN FLEET MAINTAINED 2023 INTERNATIONAL LT, CULMMINS X15, 450HP, 12 SPEED AUTO TRANSMISSION, 73" DOUBLE BUNK CONDO SLEEPER, NO CODES, NO LEAKS, GOOD RUBBER, FRIDGE, BULL GUARD, READY TO...

Condition	Used
Usage	587,531 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.15 ratio
Stock Number	7368
MLS Number	14548549
Category	Sleeper Semi Trucks
Last Updated	8/19/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd