Semi Trucks For Sale in Colorado

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2018 Peterbilt 389 Sleeper Semi Truck

Newly Listed

$119,500 USD

2018 PETERBILT 389 514k miles Automatic trans X15 motor Ready to work truck Make me a compelling offer

Condition	Used
Usage	514,000 Miles
Stock Number	ID012826JES
MLS Number	14115284
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Mountain West, UT, US
Sold By	Carmody and Associates Inc

2024 Kenworth T680 Sleeper Semi Truck - 52" Mid Roof Sleeper, Paccar 510HP, 12 Speed Endurant Automatic

Recently Updated

$89,950 USD

This 2024 Kenworth T680 comes with a remaining 6 year / 600,000 mile PACCAR Premium Warranty, giving owner operators and fleets rare long-term protection on the engine and aftertreatment...

Condition	Used
Usage	120,165 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	52"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	CO11033
MLS Number	14053871
Category	Sleeper Semi Trucks
Last Updated	1/29/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

2022 Peterbilt 567 Tri Axle Sleeper Semi Truck - 80" Mid Roof Sleeper, Cummins 565HP, 18 Speed Automatic

Price Drop $134,950 USD

For Sale: 2022 Peterbilt 567 Tri-Axle Sleeper – BIG HP, LOW MILES!, ONLY 291k MILES! Equipped with a 565hp Cummins X15, Eaton 18-Speed Automatic Transmission, 80” Mid Roof Sleeper, 48” Air...

Condition	Used
Usage	285,652 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	8x6
Transmission	18 Speed Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	57,999 lb 3.91 ratio
Stock Number	CO10655
MLS Number	14045803
Category	Sleeper Semi Trucks
Last Updated	1/29/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 13 Speed Manual

Recently Updated

$69,500 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck with 72" integral sleeper, 475HP DD15AT diesel engine, 13-speed Eaton manual transmission, tandem rear axle, air ride suspension, and...

Condition	Used
Usage	456,585 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	DD15AT
Transmission	13 Speed Manual
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	349201
MLS Number	14024757
Category	Sleeper Semi Trucks
Last Updated	1/29/2026
Location	Greeley, CO, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$67,250 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale with 381,884 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, 13,300 lb front...

Condition	Used
Usage	381,885 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	342002
MLS Number	13854039
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Greeley, CO, US
Sold By	Penske Used Trucks

(844) 253-___ SHOW
NUMBERCall Seller

2014 International ProStar+ Eagle T/A Truck Tractor

Newly Listed

At auction Feb. 4

2014 International ProStar+ Eagle T/A Truck Tractor, 641,385 miles Showing, Navistar MaxxForce 13L 6-cylinder turbo diesel engine, Eaton Fuller 10-speed transmission, International air ride...

Condition	Used
Stock Number	KL6871
MLS Number	14113386
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Perry, KS, US
Listed By	BigIron Auctions

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic

Recently Updated

$70,250 USD

Used 2023 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 467,344 miles, 475 HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle....

Condition	Used
Usage	467,345 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 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 2.85 ratio
Stock Number	461964
MLS Number	13512550
Category	Sleeper Semi Trucks
Last Updated	1/27/2026
Location	Aurora, CO, US
Sold By	Penske Used Trucks

2022 International LT Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 10 Speed Manual

Newly Listed

$59,950 USD

220000 Miles, Engine: CUMMINS ISX, 450 HP, 10 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Wheels: Aluminum, Tandem Rear Axles, Front Axle...

Condition	Used
Usage	220,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins ISX
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	MO11060
MLS Number	14111282
Category	Sleeper Semi Trucks
Last Updated	1/27/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

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

Newly Listed

$65,250 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 570,439 miles, 455 HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle....

Condition	Used
Usage	570,440 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	385465
MLS Number	14111075
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Aurora, CO, US
Sold By	Penske Used Trucks

2023 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Recently Updated

$84,950 USD

MULTIPLE NEXTGEN BODY STYLE MATCHING VIRGIN DRIVE TIRES, DIESEL APU, 2023 Kenworth T680 with 450HP Cummins X15 and Endurant 12-speed automatic. 76" raised roof double bunk sleeper with...

Condition	Used
Usage	334,953 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	CONSTOCK
MLS Number	14025126
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Newly Listed

$53,250 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck, 535,795 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	535,795 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	360208
MLS Number	14110867
Category	Sleeper Semi Trucks
Last Updated	1/29/2026
Location	Omaha, NE, US
Sold By	Penske Used Trucks

2019 Freightliner Cascadia 113 Sleeper Semi Truck - Detroit 450HP

Recently Updated

$34,950 USD

FOR SALE 2019 FREIGHTLINER 113 Sleeper FRESH PM JUST DONE! Comes equipped with a Detroit DD13 450 HP and a Detroit DT12 transmission 12 speed ONLY 470,104 MILES NEW BRAKES! 213 wheelbase,...

Condition	Used
Usage	470,776 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Mid Roof Sleeper
Sleeper Size	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	MO10644
MLS Number	13778194
Category	Sleeper Semi Trucks
Last Updated	1/27/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

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

Recently Updated

$56,250 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 458,986 miles, 455 HP DD15AT diesel engine, 72" integral sleeper, 12-speed automatic Detroit transmission, tandem rear axle,...

Condition	Used
Usage	458,986 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	381571
MLS Number	13520239
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Greeley, CO, US
Sold By	Penske Used Trucks

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 76" Raised Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Automatic

Newly Listed

$109,950 USD

2023 Freightliner Cascadia 126 Sleeper – Detroit DD15 450 HP, DT12 Automatic, 76” Raised Roof Double Bunk, 191K Miles This 2023 Freightliner Cascadia 126 is a well-maintained, Class 8...

Condition	Used
Usage	191,443 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	MO11105
MLS Number	14109181
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

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

Price Drop $51,750 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	566,043 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 2.85 ratio
Stock Number	599741
MLS Number	14055945
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Omaha, NE, US
Sold By	Penske Used Trucks

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

Newly Listed

$53,750 USD

Inspection Report

Condition	Used
Usage	412,476 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	505239
MLS Number	14108279
Category	Sleeper Semi Trucks
Last Updated	1/24/2026
Location	Commerce City, CO, US
Sold By	International Motors, LLC

(844) 307-___ SHOW
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2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, A26 450HP, 12 Speed

Newly Listed

$45,500 USD

Inspection Report

Condition	Used
Usage	321,198 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.85 ratio
Stock Number	502285
MLS Number	14108254
Category	Sleeper Semi Trucks
Last Updated	1/24/2026
Location	Commerce City, CO, US
Sold By	International Motors, LLC

(844) 253-___ SHOW
NUMBERCall Seller

2015 International ProStar+ 122 T/A Truck Tractor

Newly Listed

At auction Feb. 4

2015 International ProStar+ 122 T/A Truck Tractor, 408,921 miles Showing, Navistar 12.4L 6-Cylinder Turbo Diesel Engine, Automatic Transmission, Engine Brake, Air Disc Brakes, Air Ride...

Condition	Used
Stock Number	KC8927
MLS Number	14107722
Category	Sleeper Semi Trucks
Last Updated	1/24/2026
Location	Clifton, KS, US
Listed By	BigIron Auctions

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

Recently Updated

$60,000 USD

Used 2023 International LT625 Sleeper Semi Truck for sale, 466,345 miles, Cummins X15 diesel engine with 450 HP, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle...

Condition	Used
Usage	466,476 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 2.64 ratio
Stock Number	UPP236077
MLS Number	14044100
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Lincoln, NE, US
Sold By	Penske Used Trucks

2019 Peterbilt 579 Sleeper Semi Truck - 80" Mid Roof Sleeper, Paccar 455HP, 12 Speed Endurant Automatic

Price Drop $32,950 USD

AVAILABLE FOR SALE: 2019 PETERBILT 579 SLEEPER IN KANSAS CITY, MO WAITING FOR INSPECTION AND DETAIL.. FUEL-EFFICIENT, DRIVER-FOCUSED, AND READY TO WORK!!! CALL AMERICAN TRUCK CENTERS FOR...

Condition	Used
Usage	538,858 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	80"
Suspension	Flex Air
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	MO11032
MLS Number	14064737
Category	Sleeper Semi Trucks
Last Updated	1/23/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, 12 Speed Automatic

Price Drop $47,950 USD

For Sale: 2022 Kenworth T680 Sleeper, *Remaining Warranty until 5/26 or 500k Miles*, -MX Premium, HVAC, Starter, Alternator Clutch, Equipped with a 455hp Paccar MX-13, paired with an...

Condition	Used
Usage	9,471 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	CO10796
MLS Number	13899991
Category	Sleeper Semi Trucks
Last Updated	1/23/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(866) 579-___ SHOW
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2022 Kenworth T880 Sleeper Semi Truck - 76" Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Price Drop $60,950 USD

For Sale: 2022 Kenworth T880 Equipped with a 450HP Cummins X15, paired with a 12-Speed Eaton Endurant Automatic Transmission. This 2022 Kenworth T880 is built for performance, comfort, and...

Condition	Used
Usage	407,189 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	MO10781
MLS Number	13852483
Category	Sleeper Semi Trucks
Last Updated	1/23/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(866) 579-___ SHOW
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2022 Kenworth W990 Sleeper Semi Truck - 76" Mid Roof Sleeper, Paccar 455HP, 12 Speed Amt

Price Drop $72,950 USD

**TRUCK IS LOADED WITH TRIPAC APU, ESPAR BUNK HEATER, FACTORY WARRANTY TIL JULY OF 2026, DUAL CHROME STACKS, 275" WHEELBASE, CHROME GRILL BUMPER, HIGH END TRIM PACKAGE, DIAMOND INTERIOR,...

Condition	Used
Usage	349,811 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Mid Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	MO10382
MLS Number	13614848
Category	Sleeper Semi Trucks
Last Updated	1/23/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(844) 385-___ SHOW
NUMBERCall Seller

2020 International LT625 Sleeper Semi Truck - 72" Condo Sleeper, 450HP, 12 Speed Automatic

Newly Listed

$43,999 USD

Condition	Used
Usage	531,693 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	X15 GHG'17 450/1800
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	252583
MLS Number	14105765
Category	Sleeper Semi Trucks
Last Updated	1/23/2026
Location	Commerce City, CO, US
Sold By	Ryder