Used Heavy Duty Sleeper Semi Trucks For Sale

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

$58,900 USD

ONLY 459k Miles! This truck 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	459,579 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"
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	8680316
MLS Number	14140365
Category	Sleeper Semi Trucks
Last Updated	2/17/2026
Location	Wyoming, MI, US
Sold By	JX Truck Center

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

$58,900 USD

LOADED! 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 Slide 5th...

Condition	Used
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	8680315
MLS Number	14140362
Category	Sleeper Semi Trucks
Last Updated	2/17/2026
Location	Clare, MI, US
Sold By	JX Truck Center

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

$62,900 USD

366856 Miles, Engine: CUMMINS X15, 450 HP, Fuel Type: Diesel, Automatic Transmission, Drive: 6x4, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 80, Wheel Base: 234, Tandem Rear Axles,...

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"
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	8680310
MLS Number	14140360
Category	Sleeper Semi Trucks
Last Updated	2/12/2026
Location	Wyoming, MI, US
Sold By	JX Truck Center

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

$62,900 USD

394823 Miles, Engine: CUMMINS X15, 450 HP, Fuel Type: Diesel, Automatic Transmission, Drive: 6x4, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 80, Wheel Base: 234, Tandem Rear Axles,...

Condition	Used
Usage	394,823 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"
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	8680311
MLS Number	14140359
Category	Sleeper Semi Trucks
Last Updated	2/12/2026
Location	Wyoming, MI, US
Sold By	JX Truck Center

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

$58,900 USD

453197 Miles, Engine: CUMMINS X15, 450 HP, Fuel Type: Diesel, Automatic Transmission, Drive: 6x4, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 80, Wheel Base: 234, Tandem Rear Axles,...

Condition	Used
Usage	453,197 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"
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	8680314
MLS Number	14140358
Category	Sleeper Semi Trucks
Last Updated	2/12/2026
Location	Wyoming, MI, US
Sold By	JX Truck Center

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

$58,900 USD

493028 Miles, Engine: CUMMINS X15, 450 HP, Fuel Type: Diesel, Automatic Transmission, Drive: 6x4, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 80, Wheel Base: 234, Tandem Rear Axles,...

Condition	Used
Usage	493,028 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"
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	8680319
MLS Number	14140357
Category	Sleeper Semi Trucks
Last Updated	2/17/2026
Location	Wyoming, MI, US
Sold By	JX Truck Center

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

$58,900 USD

CUMMINS POWER! This 2021 Peterbilt 579 is powered by a 450hp Cummins X15 Engine and a 12 Speed Automatic Transmission; Adaptive Cruise Control; Collision Mitigation; Lane Departure...

Condition	Used
Usage	472,747 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"
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	8680317
MLS Number	14140356
Category	Sleeper Semi Trucks
Last Updated	2/17/2026
Location	Wyoming, MI, US
Sold By	JX Truck Center

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

$60,900 USD

ULTRALOFT! This 2021 Peterbilt 579 is powered by a 450hp Cummins X15 Engine and a 12 Speed Automatic Transmission; Adaptive Cruise Control; Collision Mitigation; Lane Departure Assistance;...

Condition	Used
Usage	447,242 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	8680313
MLS Number	14140353
Category	Sleeper Semi Trucks
Last Updated	2/17/2026
Location	Wyoming, MI, US
Sold By	JX Truck Center

(844) 216-___ SHOW
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2020 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$55,300 USD

17 Matched Units Available!, 500k - 573k Miles, $49,500 - $57,600, Over 100 Cascadia Sleepers In Stock; 2018 Newer!, Fresh DOT, Full 128 Point Inspection, DD15 Detroit, 455 HP, DT12 HD...

Condition	Used
Usage	514,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	CASCADIA-GROUP
MLS Number	14140340
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic

$70,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck with 72" Integral Sleeper, 400HP DD15AT diesel engine, 12-speed automatic Detroit transmission, tandem rear axle, air ride suspension,...

Condition	Used
Usage	404,501 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	EPES21266
MLS Number	14099154
Category	Sleeper Semi Trucks
Last Updated	2/19/2026
Location	Rockwall, TX, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Price Drop $50,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck with 72" integral sleeper, 455 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, tandem rear axle, air ride suspension....

Condition	Used
Usage	559,959 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	363134
MLS Number	14081679
Category	Sleeper Semi Trucks
Last Updated	2/19/2026
Location	Mount Pleasant, PA, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$52,500 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 589,401 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	589,401 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	345141
MLS Number	14140313
Category	Sleeper Semi Trucks
Last Updated	2/14/2026
Location	Moberly, MO, US
Sold By	Penske Used Trucks

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$82,000 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, air ride suspension....

Condition	Used
Usage	403,079 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	385095
MLS Number	14140301
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Arlington, TX, US
Sold By	Penske Used Trucks

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Price Drop $49,000 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 634,815 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	634,815 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	384887
MLS Number	14140297
Category	Sleeper Semi Trucks
Last Updated	2/14/2026
Location	Zelienople, PA, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$60,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 531,749 miles, 455HP DD15AT diesel engine, 72" integral sleeper, 12-speed automatic Detroit transmission, tandem rear axle, air ride...

Condition	Used
Usage	531,752 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	380777
MLS Number	13867999
Category	Sleeper Semi Trucks
Last Updated	2/19/2026
Location	Denver, CO, US
Sold By	Penske Used Trucks

(833) 478-___ SHOW
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2017 Peterbilt 579 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 500HP, 13 Speed Manual

Contact for price

Just arrived true factory Pete Glider (GGGG). 12.7 Detroit with a 13spd. Give us a ring for more info on this low mileage unit

Condition	Used
Usage	356,977 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Detroit SERIES 60 12.7 DDEC IV
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	70"
Suspension	Pete Low Air Leaf
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	7180
MLS Number	14124580
Category	Sleeper Semi Trucks
Last Updated	2/18/2026
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$44,250 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 623,950 miles, 72" integral sleeper, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, tandem rear axle,...

Condition	Used
Usage	623,950 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	334596
MLS Number	13649563
Category	Sleeper Semi Trucks
Last Updated	2/19/2026
Location	Eagan, MN, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$46,000 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 634,320 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	635,903 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	334513
MLS Number	13865263
Category	Sleeper Semi Trucks
Last Updated	2/18/2026
Location	Augusta, GA, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$47,500 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 605,778 miles, 455HP DD15AT diesel engine, 72" integral sleeper, 12-speed automatic Detroit transmission, tandem rear axle,...

Condition	Used
Usage	605,782 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	334509
MLS Number	14014658
Category	Sleeper Semi Trucks
Last Updated	2/12/2026
Location	Houston, TX, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, Cummins 500HP, 13 Speed Automatic

$82,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 326,833 miles, 500 HP Cummins X15 diesel engine, 13-speed Eaton automatic transmission, 72" integral sleeper, tandem rear...

Condition	Used
Usage	326,901 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 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	46,000 lb 3.58 ratio
Stock Number	320848
MLS Number	14014613
Category	Sleeper Semi Trucks
Last Updated	2/17/2026
Location	Morristown, TN, US
Sold By	Penske Used Trucks

2021 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

$42,000 USD

Used 2021 International LT625 Sleeper Semi Truck for sale, 495,911 miles, Cummins X15 diesel engine with 450 HP, 12-speed automatic Eaton transmission, 73" integral sleeper, tandem rear axle...

Condition	Used
Usage	495,911 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 2.80 ratio
Stock Number	321764
MLS Number	13581762
Category	Sleeper Semi Trucks
Last Updated	2/18/2026
Location	Cranbury, NJ, US
Sold By	Penske Used Trucks

(855) 910-___ SHOW
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2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$44,950 USD

New Style Cascadia, 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 45K...

Condition	Used
Usage	485,724 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.47 ratio
Stock Number	3523
MLS Number	14124214
Category	Sleeper Semi Trucks
Last Updated	2/12/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

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

$46,950 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	456,527 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	3609
MLS Number	14124213
Category	Sleeper Semi Trucks
Last Updated	2/12/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(844) 955-___ SHOW
NUMBERCall Seller

2020 Peterbilt 389 Sleeper Semi Truck - Cummins 505HP, 13 Speed Automatic

$147,750 USD

Only 55,000 Original Miles ~ Cummins X15 ~ 505 HP ~ 13 Speed UltraShift ~ 14,320 Front / 46k Rears ~ Full Lockers ~ All Aluminum Wheels ~ Only One Owner ~ Financing Available with Your Good...

Condition	Used
Usage	55,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Cummins X15
Transmission	13 Speed Automatic
Sleeper Type	Flat Top Sleeper
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.73 ratio
Stock Number	723475
MLS Number	14124101
Category	Sleeper Semi Trucks
Last Updated	2/14/2026
Location	Olive Branch, MS, US
Sold By	Truck Market