Used Diesel Sleeper Semi Trucks with Cummins Engines For Sale

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2021 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 400HP, Automatic

Recently Updated

$54,900 USD

Priced to Sell! This 2021 Kenworth T680 is Coming to you with only 450k Miles and a Cummins X15 Engine and a 12 Speed Automatic Transmission; Double Bunk 76in Spacious Sleeper; Rear Bunk...

Condition	Used
Usage	450,496 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	8680402
MLS Number	14287213
Category	Sleeper Semi Trucks
Last Updated	6/18/2026
Location	Wyoming, MI, US
Sold By	JX Truck Center

2022 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated

$66,750 USD

Used 2022 International LT625 Sleeper Semi Truck for sale, 345,215 miles, 450 HP Cummins X15 diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, 230...

Condition	Used
Usage	348,476 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	402355
MLS Number	14358420
Category	Sleeper Semi Trucks
Last Updated	6/25/2026
Location	Liverpool, NY, US
Sold By	Penske Used Trucks

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

Recently Updated

$62,900 USD

LOADED and LOW MILE! This unit is powered by a 450hp Cummins X15 Engine and a 12 Speed Automatic Transmission; Adaptive Cruise Control; Collision Mitigation; Lane Departure Assistance; Air...

Condition	Used
Usage	366,856 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 2.64 ratio
Stock Number	8680310
MLS Number	14140360
Category	Sleeper Semi Trucks
Last Updated	6/18/2026
Location	Pewaukee, WI, US
Sold By	JX Truck Center

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2022 Peterbilt 389 Sleeper Semi Truck - 70" Raised Roof Sleeper, Cummins 450HP, Automatic

Recently Updated

$96,900 USD

CUMMINS X15 450hp 78in Double Bunk Sleeper has a 13 Speed AUTOMATIC Transmission! Dual Exhaust Stacks; Air Slide 5th Wheel; Full DISC BRAKES; Lots of Chrome including Visor! This unit only...

Condition	Used
Usage	354,536 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	78"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.42 ratio
Stock Number	8680203
MLS Number	13988136
Category	Sleeper Semi Trucks
Last Updated	6/18/2026
Location	Wadsworth, IL, US
Sold By	JX Truck Center

(844) 307-___ SHOW
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2020 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Recently Updated

$37,000 USD

Inspection Report

Condition	Used
Usage	456,246 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
Sleeper Size	73"
Suspension	Air Ride
Rear End	40,000 lb 2.79 ratio
Stock Number	506942
MLS Number	14391288
Category	Sleeper Semi Trucks
Last Updated	6/18/2026
Location	Commerce City, CO, US
Sold By	International Motors, LLC

(888) 754-___ SHOW
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2021 International LT625 Sleeper Semi Truck - 73" Hi Rise Sleeper, Cummins 400HP, 12 Speed

Price Drop $43,000 USD

Inspection Report

Condition	Used
Usage	436,623 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	40,000 lb 2.64 ratio
Stock Number	505584
MLS Number	14225156
Category	Sleeper Semi Trucks
Last Updated	6/20/2026
Location	Joliet, IL, US
Sold By	International Motors, LLC

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 60" Integral Sleeper, Cummins 450HP, 10 Speed Automatic

Newly Listed

$78,500 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck, 450HP Cummins X15 diesel engine, 10-speed automatic Eaton transmission, 60" integral sleeper, tandem rear axle, air ride suspension....

Condition	Used
Usage	253,408 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	10 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	368768
MLS Number	14437396
Category	Sleeper Semi Trucks
Last Updated	6/24/2026
Location	Burlington, NJ, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, Cummins 450HP, 13 Speed Automatic

$58,250 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 556,651 miles, 450 HP Cummins X15 diesel engine, 13-speed Eaton automatic transmission, 72" integral sleeper, tandem rear...

Condition	Used
Usage	556,651 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	13 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	340998
MLS Number	14437252
Category	Sleeper Semi Trucks
Last Updated	6/25/2026
Location	Enid, OK, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, Cummins 450HP, 13 Speed Automatic

$63,250 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 507,939 miles, 450 HP Cummins X15 diesel engine, 72" integral sleeper, 13-speed Eaton automatic transmission, tandem rear...

Condition	Used
Usage	509,031 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	13 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	338700
MLS Number	14346944
Category	Sleeper Semi Trucks
Last Updated	6/23/2026
Location	Jackson, MS, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, Cummins 450HP, 13 Speed Automatic

$52,750 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 643,144 miles, 450 HP Cummins X15 diesel engine, 13-speed Eaton automatic transmission, 72" integral sleeper, air ride...

Condition	Used
Usage	646,367 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	13 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	338581
MLS Number	14387724
Category	Sleeper Semi Trucks
Last Updated	6/19/2026
Location	White Deer, PA, US
Sold By	Penske Used Trucks

2020 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 10 Speed Automatic

$51,750 USD

Used 2020 International LT625 Sleeper Semi Truck for sale, 396,645 miles, Cummins X15 diesel engine, 450 HP, 10-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle,...

Condition	Used
Usage	400,209 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	10 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.42 ratio
Stock Number	332909
MLS Number	14261794
Category	Sleeper Semi Trucks
Last Updated	6/18/2026
Location	Harrisburg, PA, US
Sold By	Penske Used Trucks

(844) 216-___ SHOW
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2020 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

$43,000 USD

Se habla español, 540k Miles, Many Available!, X15 – 450HP, 12 Speed Eaton Auto, Double bunk Condo, Aluminum wheels, Battery APU, Nice Rubber, Air Slide 5th Wheel, ParkSmart APU, Workstation...

Condition	Used
Usage	540,870 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
Rear End	40,000 lb 2.79 ratio
Stock Number	399372
MLS Number	13601260
Category	Sleeper Semi Trucks
Last Updated	6/18/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(855) 807-___ SHOW
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2021 International LT Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

$59,500 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, POWER...

Condition	Used
Usage	272,534 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	7289
MLS Number	14434644
Category	Sleeper Semi Trucks
Last Updated	6/19/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(855) 910-___ SHOW
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2021 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

$48,950 USD

Cummins Engine, N.A.P., Air Release 5th Wheel, Auto Trans, Espar Bunk Heater, Invertor, Jumper Posts, LED Lights, Fridge, Sliding 5th Wheel, Well Maintained Fleet Truck, Oil Changed Every...

Condition	Used
Usage	448,299 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	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	3595
MLS Number	14408577
Category	Sleeper Semi Trucks
Last Updated	6/19/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(855) 807-___ SHOW
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2021 International LT Sleeper Semi Truck - 73" Mid Roof Sleeper, Cummins 450HP, 12 Speed Automatic

$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, FRIDGE, READY TO WORK! MULTIPLE...

Condition	Used
Usage	264,326 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	73"
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	7291
MLS Number	14402543
Category	Sleeper Semi Trucks
Last Updated	6/17/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(855) 489-___ SHOW
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2022 Peterbilt 579 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

$60,000 USD

EPIQ Package, Remainder Factory 5Y/500K Cummins Warranty til 11/12/26, 5Y/750K Trans/Rears, 10 New Tires, Pete Auto Start/Stop, Inverter, Fridge, 8.2 MPG Lifetime Avg, Fleet Maintained,...

Condition	Used
Usage	475,851 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	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	2279
MLS Number	14434024
Category	Sleeper Semi Trucks
Last Updated	6/17/2026
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

2023 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

$56,250 USD

Used 2023 International LT625 Sleeper Semi Truck with 73" integral sleeper, Cummins X15 diesel engine, 450 HP, 12-speed Eaton automatic transmission, tandem air ride suspension. Don't miss...

Condition	Used
Usage	526,449 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	UPP236411
MLS Number	14234298
Category	Sleeper Semi Trucks
Last Updated	6/20/2026
Location	Cranbury, NJ, US
Sold By	Penske Used Trucks

2023 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

$57,500 USD

Used 2023 International LT625 Sleeper Semi Truck, 528,500 miles, 450 HP Cummins X15 diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	528,500 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	UPP236410
MLS Number	14255175
Category	Sleeper Semi Trucks
Last Updated	6/20/2026
Location	Monmouth Junction, NJ, US
Sold By	Penske Used Trucks

2023 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

$55,750 USD

Used 2023 International LT625 Sleeper Semi Truck with 73" Integral Sleeper, Cummins X15 Diesel engine, 450HP, 12-speed Eaton automatic transmission, tandem rear axle, 280-gallon fuel...

Condition	Used
Usage	556,337 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	UPP236273
MLS Number	14295776
Category	Sleeper Semi Trucks
Last Updated	6/20/2026
Location	Lexington, SC, US
Sold By	Penske Used Trucks

2023 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

$49,750 USD

Used 2023 International LT625 Sleeper Semi Truck with 73" Integral Sleeper, Cummins X15 Diesel engine, 450 HP, 12 Speed Eaton Automatic transmission, Tandem rear axle, Air Ride suspension,...

Condition	Used
Usage	611,465 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	UPS235752
MLS Number	14240650
Category	Sleeper Semi Trucks
Last Updated	6/20/2026
Location	Monmouth Junction, NJ, US
Sold By	Penske Used Trucks

2023 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

$71,750 USD

Used 2023 International LT625 Sleeper Semi Truck with 73" integral sleeper, Cummins X15 diesel engine delivering 450 HP. Features 12-speed Eaton automatic transmission, tandem rear axle, air...

Condition	Used
Usage	396,384 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	UPP236000
MLS Number	14319761
Category	Sleeper Semi Trucks
Last Updated	6/24/2026
Location	Rochester, NY, US
Sold By	Penske Used Trucks

(844) 624-___ SHOW
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2018 Peterbilt 389 Sleeper Semi Truck - 58" Flat Top Sleeper, Cummins 500HP, 18 Speed Endurant Automatic

Price Drop $84,950 USD

2018 Peterbilt 389 For Sale:, - 500hp Cummins X15 Efficiency Series, - Eaton 18-Speed Auto, - 58" Flat Top Sleeper, Additional Features Include: HERD Cattle Guard, 2.91 Ratio, 244" Wheelbase...

Condition	Used
Usage	434,052 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Endurant Automatic
Sleeper Type	Flat Top Sleeper
Sleeper Size	58"
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	44,000 lb 2.91 ratio
Stock Number	CO11274
MLS Number	14305660
Category	Sleeper Semi Trucks
Last Updated	6/23/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(833) 538-___ SHOW
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2022 Peterbilt 389 Sleeper Semi Truck - 72" Mid Roof Sleeper, Cummins 565HP, 18 Speed Manual

$108,900 USD

471000 Miles, 17448 Hours, Engine: CUMMINS X15, 565 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Mid Roof Sleeper, Sleeper Size: 72,...

Condition	Used
Usage	17,448 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	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.25 ratio
Stock Number	3894
MLS Number	14107425
Category	Sleeper Semi Trucks
Last Updated	6/17/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales

(707) 849-___ SHOW
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2009 Peterbilt 389 Sleeper Semi Truck - Raised Roof Sleeper, Cummins, 18 Speed Manual

Price Drop $25,000 USD

2009 Peterbilt 389 Long Nose 1,844,510 18 speed CUMMINS ISX 2021 In Frame Rebuild Auxiliary power unit sleeper AC and Heat Truck is road ready Call Charlie Kain for details and to arrange...

Condition	Used
Usage	1,844,510 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Cummins ISX
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Raised Roof Sleeper
Rear Axle	Tandem Axle
MLS Number	14049611
Category	Sleeper Semi Trucks
Last Updated	6/17/2026
Location	Oakland, CA, US
Sold By	Personal Asset Brokerage