6x4 Sleeper Semi Trucks with Cummins Engines For Sale

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

$58,750 USD

Inspection Report

Condition	Used
Usage	303,487 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	56"
Suspension	Air Ride
Rear End	20,000 lb 2.79 ratio
Stock Number	504257
MLS Number	13885252
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	Conley, GA, US
Sold By	International Motors, LLC

2021 Kenworth T880 Sleeper Semi Truck - 30" Flat Top Sleeper, Cummins 500HP, 18 Speed Manual

Contact for price

WEBASTO, DISC BRAKE,

Condition	Used
Usage	11,798 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	30"
Suspension	8 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.91 ratio
Stock Number	C-37305
MLS Number	14081926
Category	Sleeper Semi Trucks
Last Updated	1/21/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

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

$44,000 USD

Inspection Report

Condition	Used
Usage	441,232 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	502532
MLS Number	13764735
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	Conley, GA, US
Sold By	International Motors, LLC

(855) 807-___ SHOW
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2016 Peterbilt 389 Sleeper Semi Truck - 48" Flat Top Sleeper, Cummins 485HP, 10 Speed Manual

$64,500 USD

PETERBILT 389 FLATTOP, 176K ON OVERHAUL WITH PAPERWORK, CUMMINS ISX15, 485HP, 10 SPEED MANUAL TRANSMISSION, 48" SLEEPER, DUAL STACKS AND BREATHERS, JAKES, LOCKERS, 270 GAL FUEL TANKS,...

Condition	Used
Usage	819,040 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	485 HP
Engine Model	Cummins ISX15
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	48"
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	7132
MLS Number	13916588
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(570) 638-___ SHOW
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2026 Peterbilt 589 Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 565HP, 18 Speed Manual

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CHECK OUT THIS BEAUTIFUL NEW 2026 PETERBILT 589 SLEEPER!!! READY TO HIT THE OPEN ROAD AND WORK HARD FOR YOU!!! PLEASE CALL HUNTER TRUCK SCRANTON SALES FOR MORE INFORMATION AND THE MOST...

Condition	New
Usage	8 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Pete Low Air Leaf
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.42 ratio
Stock Number	283251
MLS Number	13807459
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	Scranton, PA, US
Sold By	Hunter Truck

(570) 638-___ SHOW
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2026 Peterbilt 589 Sleeper Semi Truck - 72" Flat Top Sleeper, Cummins 565HP, 18 Speed Manual

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NOW AVAILABLE!!!! THE PURPLE PEOPLE EATER!!! CUSTOM PAINTED TANKS TO MATCH!!! DROP VISOR!!! AIR CLEANER LIGHTS FRONT AND REAR!!! HIT THE HIGHWAY IN STYLE IN THIS 2026 PETERBILT 589!!! PLEASE...

Condition	New
Usage	9 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	72"
Suspension	Low Air
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	282760
MLS Number	13781377
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	Scranton, PA, US
Sold By	Hunter Truck

2021 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 450HP, Automatic

$56,900 USD

LOADED ULTRALOFT! 2021 Peterbilt 579 with a Cummins X15 450HP Engine; 12 Speed Automatic Transmission; Adaptive Cruise Control; Lane Departure; Collision Avoidance; Heated Mirrors; Air Slide...

Condition	Used
Usage	424,609 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
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	8680027
MLS Number	13777203
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	De Pere, WI, US
Sold By	JX Truck Center

2022 Peterbilt 389 Sleeper Semi Truck - 78" Raised Roof Sleeper, Cummins 500HP, Automatic

$107,900 USD

CUMMINS POWERED! 500HP with an AUTOMATIC 18 Speed Transmission! 280in wheelbase with a spacious Single Bunk Sleeper! This truck is stocked with a Refrigerator; Microwave Prep; TV Prep; Hill...

Condition	Used
Usage	373,740 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	78"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	38,000 lb 3.25 ratio
Stock Number	8679826
MLS Number	13486788
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	Wyoming, MI, US
Sold By	JX Truck Center

(724) 243-___ SHOW
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2022 Kenworth W900 Sleeper Semi Truck - 72" Mid Roof Sleeper, Cummins 565HP, 18 Speed Manual

$119,900 USD

Super classy W900 Sleeper with Cummins Power, DOT and PM Complete - Professional Detail, Frame Paint matching Cab, Truly a head turner!,

Condition	Used
Usage	331,057 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 Glide
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	281759
MLS Number	14080334
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Smithfield, PA, US
Sold By	Hunter Truck

(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

2020 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, Manual

$41,900 USD

PRICED TO MOVE! This WELL MAINTAINED 2020 Kenworth T680 with a CUMMINS X15 Engine and a 13 Speed Manual Transmission is ready for sale! This truck has a spacious 76in Double Bunk Sleeper...

Condition	Used
Usage	516,693 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	8680045
MLS Number	13993711
Category	Sleeper Semi Trucks
Last Updated	1/14/2026
Location	New Haven, IN, US
Sold By	JX Truck Center

2020 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, Manual

$41,900 USD

Sharp 2020 Kenworth T680 with a 450hp Cummins X15 Engine and a 13 Speed MANUAL Transmission! Spacious 76in Double Bunk Sleeper! Heated Mirrors; Air Slide 5th Wheel; and air ride drivers...

Condition	Used
Usage	513,392 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	8680049
MLS Number	13963627
Category	Sleeper Semi Trucks
Last Updated	1/14/2026
Location	New Haven, IN, US
Sold By	JX Truck Center

(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

(844) 307-___ SHOW
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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

(844) 445-___ SHOW
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2015 PETERBILT 389 Conventional Long Hood & Long W.B., Tandem Axle, Semi Sleeper Truck, Double frame, 46k Rear Axles.

$98,500 USD

~ Annual Holiday Truck Sale! ~ Extended Now Thru Thursday January 8th, 2026. Original Price $ 98,500.00 GREAT FIND! She's a bute tandem axle sleeper truck with an extended long hood. This...

Condition	Used
Usage	656,461 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	550 HP
Engine Model	Cummins ISX
Drivetrain	6x4
Transmission	18 Speed Manual
Suspension	Air Leaf
Rear Axle	Quad Axle
Rear End	46,000 lb
Stock Number	267010
MLS Number	13750292
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

(909) 775-___ SHOW
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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
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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
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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

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

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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

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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
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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
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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

2022 International LoneStar Sleeper Semi Truck - 64" Raised Roof Sleeper, Cummins 565HP, 18 Speed Ultrashift Plus Amt

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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

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

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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