6x4 Sleeper Semi Trucks For Sale in United States

(609) 318-___ SHOW
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2020 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Amt

$42,900 USD

435392 Miles, Engine: PACCAR MX-13, 455 HP, 12 Speed Endurant AMT Transmission, Drive: 6x4, Pete Low Air Leaf Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 80, Wheels:...

Condition	Used
Usage	435,392 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	Raised Roof Sleeper
Sleeper Size	80"
Suspension	Pete Low Air Leaf
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	213101
MLS Number	13955580
Category	Sleeper Semi Trucks
Last Updated	12/4/2025
Location	Millstone Township, NJ, US
Sold By	Hunter Truck

(844) 823-___ SHOW
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2023 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, A26 400HP, 12 Speed

$66,750 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	278,121 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Hi Rise Sleeper
Sleeper Size	56"
Suspension	Air Ride
Rear End	40,000 lb 2.79 ratio
Stock Number	505367
MLS Number	14016393
Category	Sleeper Semi Trucks
Last Updated	12/4/2025
Location	Shreveport, LA, US
Sold By	International Motors, LLC

(866) 579-___ SHOW
NUMBERCall Seller

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	13817033
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(877) 322-___ SHOW
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2021 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, Other

$72,991 USD

Our 5K Your Way program allows the purchaser to apply $5000 toward your choice of: up to $5000 matching down payment, $5000 in upgraded tires, or $5000 towards additional used truck warranty...

Condition	Used
Usage	404,764 Miles
Horse Power	400 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	MSMJ7464B
MLS Number	13883165
Category	Sleeper Semi Trucks
Last Updated	12/3/2025
Location	Hialeah Gardens, FL, US
Sold By	Freightliner of Miami

(855) 980-___ SHOW
NUMBERCall Seller

2013 Kenworth T660 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 400HP, 13 Speed Manual

$18,500 USD

2013 KENWORTH T660 SLEEPER TRUCK, CUMMINS ISX, 13 SPEED TRANSMISSION, AIR RIDE CAB, 8 BAG AIR RIDE SUSPENSION, ALL ALUMINUM WHEELS,

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins ISX
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Raised Roof Sleeper
Suspension	8 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	345581-KWC
MLS Number	14010251
Category	Sleeper Semi Trucks
Last Updated	12/3/2025
Location	OGDEN, UT, US
Sold By	Rocky Mountain Truck Parts

(833) 986-___ SHOW
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2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP

$69,900 USD

477843 Miles, Engine: DETROIT DD15, 455 HP, Fuel Type: Diesel, Drive: 6x4, 4 Bag Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 72, Wheel Base: 229, Tandem Rear Axles,...

Condition	Used
Usage	477,843 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.16 ratio
Stock Number	265917
MLS Number	14009772
Category	Sleeper Semi Trucks
Last Updated	12/6/2025
Location	Tampa, FL, US
Sold By	Southport Truck Group

2021 International LT - 56" Hi Rise Single Bunk Sleeper, International A26, Automatic

$31,000 USD

Condition	Used
Usage	427,774 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	Endurant Automatic
Sleeper Type	Hi Rise Sleeper
Sleeper Size	56"
Rear End	2.64 ratio
Stock Number	221025
MLS Number	14001553
Category	Sleeper Semi Trucks
Last Updated	12/3/2025
Location	Carlisle, PA, US
Sold By	Schneider

2021 International LT - 56" Hi Rise Single Bunk Sleeper, International A26, Automatic

$31,000 USD

Condition	Used
Usage	404,789 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	Endurant Automatic
Sleeper Type	Hi Rise Sleeper
Sleeper Size	56"
Rear End	2.64 ratio
Stock Number	221031
MLS Number	13995698
Category	Sleeper Semi Trucks
Last Updated	12/3/2025
Location	Carlisle, PA, US
Sold By	Schneider

2021 International LT - 56" Hi Rise Single Bunk Sleeper, International A26, Automatic

$32,000 USD

Condition	Used
Usage	409,209 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	Endurant Automatic
Sleeper Type	Hi Rise Sleeper
Sleeper Size	56"
Rear End	2.64 ratio
Stock Number	221040
MLS Number	13857254
Category	Sleeper Semi Trucks
Last Updated	12/9/2025
Location	Carlisle, PA, US
Sold By	Schneider

2021 International LT - 56" Hi Rise Single Bunk Sleeper, International A26, Automatic

$31,000 USD

Condition	Used
Usage	437,706 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	Endurant Automatic
Sleeper Type	Hi Rise Sleeper
Sleeper Size	56"
Rear End	2.64 ratio
Stock Number	221024
MLS Number	13850081
Category	Sleeper Semi Trucks
Last Updated	12/3/2025
Location	Carlisle, PA, US
Sold By	Schneider

2021 International LT - 56" Hi Rise Single Bunk Sleeper, International A26, Automatic

$27,500 USD

Condition	Used
Usage	514,841 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	Endurant Automatic
Sleeper Type	Hi Rise Sleeper
Sleeper Size	56"
Rear End	2.64 ratio
Stock Number	221029
MLS Number	13847380
Category	Sleeper Semi Trucks
Last Updated	12/3/2025
Location	Carlisle, PA, US
Sold By	Schneider

2021 International LT - 56" Hi Rise Single Bunk Sleeper, International A26, Automatic

$32,500 USD

Condition	Used
Usage	389,948 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	Endurant Automatic
Sleeper Type	Hi Rise Sleeper
Sleeper Size	56"
Rear End	2.64 ratio
Stock Number	221014
MLS Number	13827239
Category	Sleeper Semi Trucks
Last Updated	12/3/2025
Location	Carlisle, PA, US
Sold By	Schneider

(844) 823-___ SHOW
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2022 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, A26 400HP, 12 Speed

Price Drop $52,500 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	237,192 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	International A26
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	501967
MLS Number	14009192
Category	Sleeper Semi Trucks
Last Updated	2/2/2026
Location	Shreveport, LA, US
Sold By	International Motors, LLC

(844) 823-___ SHOW
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2022 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, A26 400HP, 12 Speed

Price Drop $52,500 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	239,639 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	International A26
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	502293
MLS Number	14009191
Category	Sleeper Semi Trucks
Last Updated	2/2/2026
Location	Shreveport, LA, US
Sold By	International Motors, LLC

(844) 985-___ SHOW
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2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, Automatic

$47,900 USD

Recent trade in that is now available for sale! This truck is powered by an MX13 455HP Engine and paired with a 12spd Automatic Transmission. 76in Double Bunk Sleeper; air slide 5th wheel;...

Condition	Used
Usage	425,564 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	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	8680077
MLS Number	13820450
Category	Sleeper Semi Trucks
Last Updated	12/3/2025
Location	Indianapolis, IN, US
Sold By	JX Truck Center

(844) 241-___ SHOW
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2026 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 505HP, Other

$179,995 USD

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

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	TLWV3907
MLS Number	14008933
Category	Sleeper Semi Trucks
Last Updated	12/3/2025
Location	Pompano Beach, FL, US
Sold By	Go Freightliner of Broward

(833) 801-___ SHOW
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2015 International LoneStar Sleeper Semi Truck - 75" Mid Roof Sleeper, Cummins 500HP, 13 Speed Manual

$30,000 USD

GOOD TRUCK, VERY CLEAN, RUNS AND DRIVES EXCELLENT, AIR SEAT, POWER WINDOWS, POWER MIRRORS, HEATED MIRRORS, DIFFERENTIAL LOCK, DUMP VALVE, SLIDING 5TH WHEEL, DUAL EXHAUST!,

Condition	Used
Usage	666,011 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins ISX15
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	75"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	15ISX666LONE
MLS Number	13786827
Category	Sleeper Semi Trucks
Last Updated	12/3/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(844) 307-___ SHOW
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2019 International LT625 Sleeper Semi Truck - 73" Hi Rise Sleeper, Cummins 400HP, 10 Speed

$39,500 USD

Inspection Report

Condition	Used
Usage	354,298 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	10 Speed Automated
Sleeper Type	Hi Rise Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	40,000 lb 2.64 ratio
Stock Number	492576
MLS Number	14007583
Category	Sleeper Semi Trucks
Last Updated	12/2/2025
Location	Etna, OH, US
Sold By	International Motors, LLC

2020 International LT - 73" Hi Rise Sleeper, International A26, Automatic

$28,500 USD

Condition	Used
Usage	448,870 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	Endurant Automatic
Sleeper Type	Hi Rise Sleeper
Sleeper Size	73"
Rear Axle	Tandem Axle
Stock Number	CC845
MLS Number	14007473
Category	Sleeper Semi Trucks
Last Updated	1/21/2026
Location	Carlisle, PA, US
Sold By	Schneider

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

$95,700 USD

Condition	Used
Usage	317,273 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 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	2.15 ratio
Stock Number	32033
MLS Number	14007470
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	PHOENIX, AZ, US
Sold By	Schneider

2024 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper w/ Lounge, Detroit, Automatic, Battery Powered HVAC with Optimized Idle

$100,700 USD

Condition	Used
Usage	316,318 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	2.15 ratio
Stock Number	75979
MLS Number	14007468
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	PHOENIX, AZ, US
Sold By	Schneider

2021 International LT - 56" Hi Rise Single Bunk Sleeper, International A26, Automatic

$31,000 USD

Condition	Used
Usage	430,130 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	Endurant Automatic
Sleeper Type	Hi Rise Sleeper
Sleeper Size	56"
Rear End	2.64 ratio
Stock Number	221021
MLS Number	14007466
Category	Sleeper Semi Trucks
Last Updated	12/4/2025
Location	Carlisle, PA, US
Sold By	Schneider

2021 International LT - 56" Hi Rise Single Bunk Sleeper, International A26, Automatic

$32,500 USD

Condition	Used
Usage	398,328 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	Endurant Automatic
Sleeper Type	Hi Rise Sleeper
Sleeper Size	56"
Rear End	2.64 ratio
Stock Number	221011
MLS Number	14007464
Category	Sleeper Semi Trucks
Last Updated	12/3/2025
Location	Carlisle, PA, US
Sold By	Schneider

2021 International LT - 56" Hi Rise Single Bunk Sleeper, International A26, Automatic

$32,500 USD

Condition	Used
Usage	369,353 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	Endurant Automatic
Sleeper Type	Hi Rise Sleeper
Sleeper Size	56"
Rear End	2.64 ratio
Stock Number	221004
MLS Number	14007460
Category	Sleeper Semi Trucks
Last Updated	12/3/2025
Location	Carlisle, PA, US
Sold By	Schneider