6x4 Sleeper Semi Trucks For Sale in United States

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2026 Western Star 49X Sleeper Semi Truck - 60" Mid Roof Sleeper, Detroit 600HP, 12 Speed Dt12 Amt

$222,650 USD

NEW ARRIVAL!!!! 2026 WESTERN STAR 49XSF!!! BIG HORSEPOWER!!!! 600HP DD16, 1850 TORQUE. HEAVY SPEC TRUCK!!! 46K REAR 16K FRONT. BEAUTIFUL TRUCK! COMFORTABLE TO DRIVE.! FEDERAL EXCISE...

Condition	New
Usage	498 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	600 HP
Engine Model	Detroit DD16
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Flat Top Sleeper
Sleeper Size	60"
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.21 ratio
Stock Number	109848
MLS Number	13576732
Category	Sleeper Semi Trucks
Last Updated	12/16/2025
Location	Bowling Green, KY, US
Sold By	Boyd Truck Centers

(877) 322-___ SHOW
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2026 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, Other

$179,991 USD

2026 Freightliner Cascadia 126 Sleeper, * Detroit DD15 14.8L Diesel -- 505 HP / 1650 lb.-ft Torque, * DT12 Overdrive Automated Manual Transmission, * Dual 120-Gallon Fuel Tanks 23-Gallon...

Condition	New
Usage	400 Miles
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	TSWX4098
MLS Number	14007427
Category	Sleeper Semi Trucks
Last Updated	12/15/2025
Location	Hialeah Gardens, FL, US
Sold By	Freightliner of Miami

(877) 322-___ SHOW
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2026 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, Other

$179,991 USD

2026 Freightliner Cascadia 126 Sleeper, * Detroit DD15 14.8L Diesel -- 505 HP / 1650 lb.-ft Torque, * DT12 Overdrive Automated Manual Transmission, * Dual 120-Gallon Fuel Tanks 23-Gallon...

Condition	New
Usage	4 Miles
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	TSWX4097
MLS Number	14008952
Category	Sleeper Semi Trucks
Last Updated	12/15/2025
Location	Hialeah Gardens, FL, US
Sold By	Freightliner of Miami

(877) 322-___ SHOW
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2026 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 505HP, Other

$174,991 USD

2026 Freightliner Cascadia 126 Sleeper, * Detroit DD15 14.8L Diesel -- 505 HP / 1650 lb.-ft Torque, * DT12 Overdrive Automated Manual Transmission, * Dual 120-Gallon Fuel Tanks 23-Gallon...

Condition	New
Usage	9 Miles
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	TSWX4118
MLS Number	14018349
Category	Sleeper Semi Trucks
Last Updated	12/15/2025
Location	Hialeah Gardens, FL, US
Sold By	Freightliner of Miami

2021 Freightliner Cascadia Sleeper Semi Truck - 72" Extra-Tall Roof, Detroit, Automatic, Battery Powered HVAC with Optimized Idle, Bulk Equipment

$48,700 USD

Unit is equipped with: , Heat In Transit (HIT) connections , Hydraulic Cooling System - Gardner Denver MH3 Hydrapack , Transfer Pump - Blackmer TX206 , Vane Compressor -...

Condition	Used
Usage	416,232 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD13 EPA 17
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Extra Tall Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	13234
MLS Number	13749227
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Gary, IN, US
Sold By	Schneider

2024 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Optimized Idle

$95,700 USD

Condition	Used
Usage	320,244 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Detroit DD15 GEN5
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.15 ratio
Stock Number	31053
MLS Number	13753166
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Edwardsville, IL, US
Sold By	Schneider

Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Battery Powered HVAC with Optimized Idle, MirrorEye Equipped

2022 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Battery Powered HVAC with Optimized Idle, MirrorEye Equipped

$60,700 USD

Condition	Used
Usage	443,097 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15GHG21
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	52323
MLS Number	13779219
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	ATLANTA, GA, US
Sold By	Schneider

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2024 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP

$137,900 USD

LOADED WITH WARRANTY EXTENDED DETROIT AND EXTENDED FREIGHTLINER WARRANTIES, CALL NOW, NICEST USED TRUCK IN THE MARKET

Warranty

Condition	Used
Usage	225,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	266348
MLS Number	14004794
Category	Sleeper Semi Trucks
Last Updated	12/14/2025
Location	Tampa, FL, US
Sold By	Southport Truck Group

(707) 849-___ SHOW
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2020 Peterbilt 567 Sleeper Semi Truck - Flat Top Sleeper, Paccar 455HP, 13 Speed Manual

$63,000 USD

2020 Peterbilt 567 Flat Top Sleeper 458K Miles, Eaton Fuller 13 Speed, Paccar MX 13 engine, 455HP, 52k GVW,

Condition	Used
Usage	458,189 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	13781628
Category	Sleeper Semi Trucks
Last Updated	12/14/2025
Location	Santa Rosa, CA, US
Sold By	Personal Asset Brokerage

(833) 801-___ SHOW
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2009 Freightliner Century Class 120 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 455HP, 10 Speed Manual

$10,000 USD

RUNS AND DRIVES, AIR SEAT, DOUBLE BUNK, DIFFERENTIAL LOCK, DUMP VALVE, SLIDING 5TH,,

Condition	Used
Usage	1,164,778 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.58 ratio
Stock Number	09DET116C120
MLS Number	14042096
Category	Sleeper Semi Trucks
Last Updated	12/13/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(833) 801-___ SHOW
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2016 International ProStar Sleeper Semi Truck - 75" Raised Roof Sleeper, Cummins 450HP, 10 Speed Manual

$14,000 USD

WELL MAINTAINED TRUCK, RUNS AND DRIVES EXCELLENT! DOUBLE BUNK, DUAL AIR RIDE SEATS, CRUISE, SMART WHEEL, TILT/TELE, POWER WINDOWS, POWER MIRRORS, POWER DOOR LOCKS, DUMP VALVE, SLIDING 5TH!,...

Condition	Used
Usage	1,034,772 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
Sleeper Size	75"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	16ISX103PRO
MLS Number	14042019
Category	Sleeper Semi Trucks
Last Updated	12/13/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

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2021 International LT Sleeper Semi Truck - 56" Mid Roof Sleeper, A26 410HP, 12 Speed Smart Advantage Amt

$29,900 USD

2021 International LT625 Sleeper **New Virgin Dual Tires or Super Single tires available on all trucks Trucks are currently on wide base tires but can be swapped to new dual Virgin tires...

Condition	Used
Usage	465,481 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	410 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	12 Speed Smart Advantage Automated
Sleeper Type	Mid Roof Sleeper
Sleeper Size	56"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	TNF112007 Web
MLS Number	14040843
Category	Sleeper Semi Trucks
Last Updated	12/13/2025
Location	Cambridge, OH, US
Sold By	Nationwide Haul

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2021 International LT Sleeper Semi Truck - 56" Mid Roof Sleeper, A26 410HP, 12 Speed Smart Advantage Amt

$29,900 USD

2021 International LT625 Sleeper **New Virgin Dual Tires or Super Single tires available on all trucks Trucks are currently on wide base tires but can be swapped to new dual Virgin tires...

Condition	Used
Usage	465,481 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	410 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	12 Speed Smart Advantage Automated
Sleeper Type	Mid Roof Sleeper
Sleeper Size	56"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	TNF112007
MLS Number	14040841
Category	Sleeper Semi Trucks
Last Updated	12/13/2025
Location	Cambridge, OH, US
Sold By	Nationwide Haul

(833) 801-___ SHOW
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2015 International ProStar Sleeper Semi Truck - 75" Raised Roof Sleeper, Cummins 450HP, 10 Speed Manual

$13,000 USD

GOOD TRUCK, RUNS GREAT, DOUBLE BUNK, DUAL AIR RIDE SEATS, CRUISE, SMART WHEEL, TILT/TELE, POWER WINDOWS, POWER MIRRORS, POWER DOOR LOCKS, DUMP VALVE, SLIDING 5TH!,

Condition	Used
Usage	755,709 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
Sleeper Size	75"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	15ISX755PRO
MLS Number	13807730
Category	Sleeper Semi Trucks
Last Updated	12/13/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

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2018 International LT Sleeper Semi Truck - Cummins, 10 Speed Manual

$30,000 USD

Up for sale is a 2018 International LT 455, 432 Mileage, Call with any questions

Condition	Used
Usage	455,432 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	10 Speed Automatic
Stock Number	4401
MLS Number	13562324
Category	Sleeper Semi Trucks
Last Updated	12/13/2025
Location	Cedar City, UT, US
Sold By	Blue Point Sales

(833) 478-___ SHOW
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2020 Freightliner Coronado 132 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 500HP, 10 Speed Manual

Contact for price

2020 Freightliner Coronado 132 Glider Kit – 12.7 Detroit / 10-Speed – Fresh OH, Stock #7036 – Black – Ready to Work Hard-to-find 2020 Freightliner Coronadofactory glider kitpowered by...

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Detroit SERIES 60 12.7 DDEC V
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	7036
MLS Number	13985480
Category	Sleeper Semi Trucks
Last Updated	1/15/2026
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

2023 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Optimized Idle

$75,700 USD

Condition	Used
Usage	385,227 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Detroit DD15 GEN5
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.15 ratio
Stock Number	54355
MLS Number	13073047
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Indianapolis, IN, US
Sold By	Schneider

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2009 Peterbilt 389 Sleeper Semi Truck - Flat Top Sleeper, Caterpillar 650HP, 10 Speed Manual

$59,900 USD

2009 Peterbilt 389 Specs:, -Mileage: 1,707,808, -Drive: 6x4, -Horsepower: 650, -Transmission: Eaton- Fuller 10 Speed, -Suspension: Air-ride, -Aluminum Wheels, -Engine: Caterpillar C15 ACERT...

Condition	Used
Usage	1,707,808 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	650 HP
Engine Model	Caterpillar C15 ACERT
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	TNHC22707ELAK Web
MLS Number	13562354
Category	Sleeper Semi Trucks
Last Updated	12/12/2025
Location	Lakeland, FL, US
Sold By	Nationwide Haul

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2022 International LT Sleeper Semi Truck - Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Amt

$49,900 USD

2022 International LT625 – 1 Owner, Fleet Maintained Cummins-Powered LT!, This is a very nice truck—clean, efficient, and ready for the road! , 400 HP Cummins X15 engine, , 12-speed Eaton...

Condition	Used
Usage	393,214 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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	2.64 ratio
Stock Number	401415
MLS Number	14029118
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

2023 Freightliner Cascadia - 72" Raised Roof w/ Lounge, Detroit, Automatic, TriPac & Battery Powered HVAC with Optimized Idle, Headache Rack

$89,200 USD

Condition	Used
Usage	386,402 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15TCO 50 STATE
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	75227
MLS Number	13695783
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Gary, IN, US
Sold By	Schneider

2022 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Battery Powered HVAC with Optimized Idle

$58,700 USD

Condition	Used
Usage	440,917 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15GHG21
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	52445
MLS Number	13850095
Category	Sleeper Semi Trucks
Last Updated	1/21/2026
Location	ATLANTA, GA, US
Sold By	Schneider

(844) 307-___ SHOW
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2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

$62,500 USD

CUMMINS X1512 SPEED AUTOMATED APU

Inspection Report

Condition	Used
Usage	387,672 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	505312
MLS Number	14028237
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	La Vergne, TN, US
Sold By	International Motors, LLC

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2022 International LT Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

$59,900 USD

2022 International LT625 – 1 Owner, Fleet Maintained 450 HP Cummins International!, Extremely clean—came all the way from Texas! , 450 HP Cummins X15 engine, , 12-speed Eaton Endurant...

Condition	Used
Usage	272,435 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	2.79 ratio
Stock Number	133622
MLS Number	13866602
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

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2022 International LT Sleeper Semi Truck - Cummins 450HP, 12 Speed Endurant Amt

$58,900 USD

2022 International LT625 – 1 Owner, Fleet Maintained 450 HP Cummins International!, Extremely clean—came all the way from Texas! , 450 HP Cummins X15 engine, , 12-speed Eaton Endurant...

Condition	Used
Usage	297,982 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.79 ratio
Stock Number	172263
MLS Number	13816165
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc