6x4 Sleeper Semi Trucks with Cummins Engines For Sale

(833) 300-___ SHOW
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2020 Peterbilt 389 Sleeper Semi Truck - 66" Raised Roof Sleeper, Cummins 565HP, 18 Speed Manual

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WET KIT, WEBASTO, BEACONS LIGHT, FRIDGE, Inverter modelTUNDRA M2000,

Condition	Used
Usage	11,811 Hours
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	66"
Suspension	Newair
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.73 ratio
Stock Number	C-37286
MLS Number	14088177
Category	Sleeper Semi Trucks
Last Updated	1/21/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

(844) 985-___ SHOW
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2023 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 450HP, Automatic

$65,900 USD

CUMMINS POWERED 2023 Peterbilt 579 with a FULL DOT Inspection including Oil Change! This 579 is powered by a Cummins X15 450hp Engine; 12 Speed Automatic Transmission; has a spacious 80in...

Condition	Used
Usage	411,125 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	8680268
MLS Number	14088135
Category	Sleeper Semi Trucks
Last Updated	1/14/2026
Location	Rockford, IL, US
Sold By	JX Truck Center

(844) 831-___ SHOW
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2022 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, Cummins 400HP, 12 Speed

$58,950 USD

Inspection Report

Condition	Used
Usage	236,168 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	504256
MLS Number	13791303
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Indianapolis, IN, US
Sold By	International Motors, LLC

(844) 956-___ SHOW
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2020 International LT Sleeper Semi Truck - Raised Roof Sleeper, Cummins 400HP, 12 Speed Amt

$45,000 USD

TRUCK HAS BALANCE OF NTP ULTRA 2 WARRANTY, ENGINE, CRITICAL COMPONENTS, AFTER-TREATMENT, TRANSMISSION REAR ENDS, WARRANTY EXPIRES 11-26-2028 OR 795,109 MILES,

Condition	Used
Usage	411,827 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	C5346
MLS Number	13849177
Category	Sleeper Semi Trucks
Last Updated	1/21/2026
Location	West Sacramento, CA, US
Sold By	DeWald Equipment

(844) 624-___ SHOW
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2020 Kenworth T800 Sleeper Semi Truck - 72" Mid Roof Sleeper, Cummins 450HP, 13 Speed Manual

$62,950 USD

For Sale: 2020 KENWORTH T800 - Check this out! Dominate the road in comfort: This 2020 Kenworth comes equipped with a CUMMINS X15 450 HP engine only 381,878 miles and an manual Eaton Fuller...

Condition	Used
Usage	12,785 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	13 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	MO10750
MLS Number	13816789
Category	Sleeper Semi Trucks
Last Updated	1/13/2026
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

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

$62,500 USD

Inspection Report

Condition	Used
Usage	232,671 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	505240
MLS Number	14009271
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	Conley, GA, US
Sold By	International Motors, LLC

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

$52,250 USD

Inspection Report

Condition	Used
Usage	466,504 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	505391
MLS Number	14081998
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	Conley, GA, 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

$64,250 USD

Inspection Report

Condition	Used
Usage	351,106 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	505076
MLS Number	14081989
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	Etna, OH, US
Sold By	International Motors, LLC

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

$64,000 USD

Inspection Report

Condition	Used
Usage	247,708 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	505472
MLS Number	14081988
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	Conley, GA, US
Sold By	International Motors, LLC

(844) 307-___ SHOW
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2022 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, Cummins 400HP, 12 Speed

$50,750 USD

Inspection Report

Condition	Used
Usage	489,509 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	505451
MLS Number	14081984
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	Baltimore, MD, US
Sold By	International Motors, LLC

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

$59,000 USD

Inspection Report

Condition	Used
Usage	341,570 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	505450
MLS Number	14081983
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	Conley, GA, US
Sold By	International Motors, LLC

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

(833) 300-___ SHOW
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2021 Kenworth T880 Sleeper Semi Truck - 30" Flat Top Sleeper, Cummins 500HP, 18 Speed Manual

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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

(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

Contact for price

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

(844) 985-___ SHOW
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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

(844) 985-___ SHOW
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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

(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

(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