6x4 Sleeper Semi Trucks with Cummins Engines For Sale

(844) 435-___ SHOW
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2023 International LT Sleeper Semi Truck - Raised Roof Sleeper, Cummins 400HP, Automatic

$88,500 USD

2023 LT625, 191,276 miles, Cummins x15, STILL UNDER WARRANTY,

Condition	Used
Usage	191,276 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	357197
MLS Number	14080287
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Liverpool, NY, US
Sold By	Allegiance Trucks

(844) 823-___ SHOW
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2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

$62,500 USD

1 or 2-Year Factory-Backed Engine Aftertreatment Warranty AVAILABLE. $0 Deductible. No Claim Maximum. Backed by Dealer Network of 700+ Locations

Inspection Report

Condition	Used
Usage	388,960 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.64 ratio
Stock Number	505310
MLS Number	14018600
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Shreveport, LA, US
Sold By	International Motors, LLC

2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

$59,750 USD

CUMMINS X1512 SPEED AUTOMATED AUXILIARY POWER UNIT

Inspection Report

Condition	Used
Usage	451,188 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.64 ratio
Stock Number	505476
MLS Number	14079757
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	La Vergne, TN, US
Sold By	International Motors, LLC

(909) 775-___ SHOW
NUMBERCall Seller

2020 Kenworth T800 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 450HP, 10 Speed Manual

$79,900 USD

2020 Kenworth T800, 162K miles, Cummins X15, 10-speed manual just got off a lease from oilfield service. PTO kit and blower included. Fleet maintained, tight, and DOT ready. No rebuilt title...

Condition	Used
Usage	162,359 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Mid Roof Sleeper
Rear Axle	Tandem Axle
Stock Number	L20434
MLS Number	14078404
Category	Sleeper Semi Trucks
Last Updated	1/8/2026
Location	Fontana, CA, US
Sold By	TCI Transportation

(702) 452-___ SHOW
NUMBERCall Seller

2020 Kenworth T800 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 450HP, 10 Speed Manual

$79,900 USD

2020 Kenworth T800, 162K miles, Cummins X15, 10-speed manual just got off a lease from oilfield service. PTO kit and blower included. Fleet maintained, tight, and DOT ready. No rebuilt title...

Condition	Used
Usage	162,352 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Mid Roof Sleeper
Rear Axle	Tandem Axle
Stock Number	L20434
MLS Number	14078356
Category	Sleeper Semi Trucks
Last Updated	1/8/2026
Location	North Las Vegas, NV, US
Sold By	TCI Transportation

(702) 452-___ SHOW
NUMBERCall Seller

2020 Kenworth T800 Sleeper Semi Truck - Cummins 450HP, 10 Speed Manual

$80,000 USD

182859 Miles, Engine: CUMMINS ISX15, 450 HP, Fuel Type: Diesel, 10 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Tandem Rear Axles

Condition	Used
Usage	182,859 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins ISX15
Drivetrain	6x4
Transmission	10 Speed Manual
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	L20435
MLS Number	14078243
Category	Sleeper Semi Trucks
Last Updated	1/8/2026
Location	North Las Vegas, NV, US
Sold By	TCI Transportation

(833) 300-___ SHOW
NUMBERCall Seller

2021 Kenworth T880 Sleeper Semi Truck - 28" Flat Top Sleeper, Cummins 500HP, 18 Speed Manual

Contact for price

WEBASTO, DISC BRAKE,

Condition	Used
Usage	9,968 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15E
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	28"
Suspension	8 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.91 ratio
Stock Number	C-37304
MLS Number	14078224
Category	Sleeper Semi Trucks
Last Updated	1/21/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

(855) 807-___ SHOW
NUMBERCall Seller

2020 Peterbilt 389 Sleeper Semi Truck - 72" Mid Roof Sleeper, Cummins 500HP, 13 Speed Manual

$64,500 USD

CLEAN FLEET MAINTAINED PETERBILT 389! CUMMINS X15 - 500HP! 13 SPEED MANUAL EATON! 3.36 REAR RATIO! AIRLEAF SUSPENSION! HEADACHE RACK! QUARTER FENDERS! HEATED MIRRORS, POWER LOCKS AND...

Condition	Used
Usage	904,192 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Leaf
Rear Axle	Tandem Axle
Rear End	38,000 lb 3.36 ratio
Stock Number	7112
MLS Number	13922582
Category	Sleeper Semi Trucks
Last Updated	1/8/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(713) 532-___ SHOW
NUMBERCall Seller

2020 Kenworth T800 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 400HP, Manual

$80,000 USD

231259 Miles, Engine: CUMMINS X15, 400 HP, Fuel Type: Diesel, 10 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Mid Roof Sleeper, Tandem Rear Axles

Condition	Used
Usage	231,259 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.42 ratio
Stock Number	20437
MLS Number	13321590
Category	Sleeper Semi Trucks
Last Updated	1/15/2026
Location	Humble, TX, US
Sold By	TCI Transportation

(855) 807-___ SHOW
NUMBERCall Seller

2020 Peterbilt 389 Sleeper Semi Truck - 72" Mid Roof Sleeper, Cummins 565HP, 18 Speed Manual

$84,500 USD

CLEAN 2020 PETERBILT 389, SEMINOLE PAINT! CUMMINS X15 565HP, 18 SPEED AUTO TRANSMISSION, 72" SLEEPER, DUAL STACKS, DUAL BREATHERS, CHICKEN LIGHTS, NO RUST, JAKES, CRUISE CONTROL, NAVIGATION,...

Condition	Used
Usage	804,393 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	7177
MLS Number	14074919
Category	Sleeper Semi Trucks
Last Updated	1/8/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(833) 300-___ SHOW
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2022 International LoneStar Sleeper Semi Truck - 64" Raised Roof Sleeper, Cummins 565HP, 18 Speed Ultrashift Plus Amt

Contact for price

WEBASTO, FRIGO,

Condition	Used
Usage	9,014 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15P
Drivetrain	6x4
Transmission	18 Speed Ultrashift Plus Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	64"
Suspension	Hendrickson
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.73 ratio
Stock Number	C-37046
MLS Number	14074897
Category	Sleeper Semi Trucks
Last Updated	1/21/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

(833) 300-___ SHOW
NUMBERCall Seller

2021 Peterbilt 389 Sleeper Semi Truck - 68" Mid Roof Sleeper, Cummins 565HP, 18 Speed Manual

Contact for price

WEBASTO, WET KIT,

Condition	Used
Usage	13,015 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	68"
Suspension	Paccar
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.73 ratio
Stock Number	C-37002
MLS Number	14074891
Category	Sleeper Semi Trucks
Last Updated	1/21/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

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

$69,250 USD

Take full advantage of Manager Special discounted pricing. *All pricing is subject to approval and terms..

Inspection Report

Condition	Used
Usage	290,423 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	4,000 lb 2.79 ratio
Stock Number	502915
MLS Number	13755405
Category	Sleeper Semi Trucks
Last Updated	2/2/2026
Location	West Sacramento, CA, US
Sold By	International Motors, LLC

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

Price Drop $37,500 USD

Take full advantage of Manager Special discounted pricing. *All pricing is subject to approval and terms.

Inspection Report

Condition	Used
Usage	435,990 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Hi Rise Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.64 ratio
Stock Number	503044
MLS Number	13714087
Category	Sleeper Semi Trucks
Last Updated	2/2/2026
Location	West Sacramento, CA, US
Sold By	International Motors, LLC

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

Price Drop $70,500 USD

Take full advantage of Manager Special discounted pricing. *All pricing is subject to approval and terms.

Inspection Report

Condition	Used
Usage	263,142 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	4,000 lb 2.79 ratio
Stock Number	502448
MLS Number	13952352
Category	Sleeper Semi Trucks
Last Updated	2/2/2026
Location	West Sacramento, CA, US
Sold By	International Motors, LLC

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

Price Drop $66,750 USD

Take full advantage of Manager Special discounted pricing. *All pricing is subject to approval and terms.

Inspection Report

Condition	Used
Usage	333,246 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	4,000 lb 2.79 ratio
Stock Number	502447
MLS Number	13955150
Category	Sleeper Semi Trucks
Last Updated	2/2/2026
Location	West Sacramento, CA, US
Sold By	International Motors, LLC

(707) 849-___ SHOW
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2013 Peterbilt 388 Sleeper Semi Truck - Flat Top Sleeper, Cummins 500HP, 10 Speed Manual

$58,000 USD

2013 Peterbilt 388 Flat Top Sleeper 350k Miles on Full Inframe with Paperwork 1 mil miles on chassis, Eaton Fuller 10 Speed, Cummins ISX15 Engine, 500HP Well cared for truck, California CARB...

Condition	Used
Usage	1,050,809 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins ISX15 500V
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Low Air
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	13743870
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	Santa Rosa, CA, US
Sold By	Personal Asset Brokerage

(609) 318-___ SHOW
NUMBERCall Seller

2023 Kenworth W900 Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 500HP, 10 Speed Amt

$129,900 USD

ORIGINAL LOW MILES! Owner Operator Specs... Don't miss this one. Pre-Certified for NTP Used Truck Service Contract. Call for details. Financing available,

Condition	Used
Usage	9,470 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	10 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	278695
MLS Number	13437319
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	Millstone Township, NJ, US
Sold By	Hunter Truck

(855) 489-___ SHOW
NUMBERCall Seller

2024 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 500HP, 18 Speed Manual

$118,000 USD

500 hp X15 w/18 Speed Manual Transmission, 80" Ultra Loft w/2 bunks, Refrigerator, Chrome Bumper, Bunk Heater, Tilt and Telescoping,

Condition	Used
Usage	285,471 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	2198
MLS Number	14021745
Category	Sleeper Semi Trucks
Last Updated	1/6/2026
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

$58,250 USD

Inspection Report

Condition	Used
Usage	486,494 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.64 ratio
Stock Number	505475
MLS Number	14071782
Category	Sleeper Semi Trucks
Last Updated	1/6/2026
Location	Etna, OH, US
Sold By	International Motors, LLC

(484) 544-___ SHOW
NUMBERCall Seller

2021 Peterbilt 579 Sleeper Semi Truck - Flat Top Sleeper, Cummins 450HP, 12 Speed Endurant Amt

$55,900 USD

Cummins Powered Low Roof short bunk. Perfect for Regional Work with overnight runs

Condition	Used
Usage	13,115 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Emission Rating	USA Tier 4
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Flat Top Sleeper
Suspension	Pete Low Air Leaf
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.93 ratio
Stock Number	229299
MLS Number	13910419
Category	Sleeper Semi Trucks
Last Updated	1/6/2026
Location	Allentown, PA, US
Sold By	Hunter Truck

(716) 218-___ SHOW
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2021 Peterbilt 579 Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 450HP, 12 Speed Amt

$45,900 USD

CUMMINS X15 450 HP,12 SPD AUTO TRANS,12500 FRT, 40K RR,2.93 RATIO,LOW AIR LEAF SUSP,ALUM WHKS 72" SLEEPER,,

Condition	Used
Usage	529,714 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
Sleeper Size	72"
Suspension	Pete Low Air Leaf
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.93 ratio
Stock Number	228785
MLS Number	13857950
Category	Sleeper Semi Trucks
Last Updated	1/6/2026
Location	Buffalo, NY, US
Sold By	Hunter Truck

(844) 435-___ SHOW
NUMBERCall Seller

2018 Peterbilt 389 Sleeper Semi Truck - 78" Raised Roof Sleeper, Cummins 565HP, Manual

$94,900 USD

398865 Miles, Engine: CUMMINS ISX, 565 HP, Fuel Type: Diesel, Manual Transmission, Drive: 6x4, Low Air Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 78, Wheel Base: 271,...

Condition	Used
Usage	398,865 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins ISX
Drivetrain	6x4
Transmission	Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	78"
Suspension	Low Air
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	349813
MLS Number	13512264
Category	Sleeper Semi Trucks
Last Updated	1/6/2026
Location	Hudson, NY, US
Sold By	Allegiance Trucks

(844) 435-___ SHOW
NUMBERCall Seller

2023 International HX Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 525HP

$139,900 USD

Loaded With Extras!!!!!!!! (Factory Engine Warranty 5yr/500,000)Exp. 11/07/27,

Condition	Used
Usage	177,679 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	525 HP
Drivetrain	6x4
Transmission	13 Speed
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	340751
MLS Number	13015222
Category	Sleeper Semi Trucks
Last Updated	1/6/2026
Location	Manchester, NH, US
Sold By	Allegiance Trucks