Heavy Duty 6x4 Sleeper Semi Trucks For Sale

(833) 801-___ SHOW
NUMBERCall Seller

2010 Freightliner Century Class 120 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 450HP, 10 Speed Manual

$12,000 USD

nice truck, runs great, clean. air seat, tilt/tele, power windows, dual air ride seats, double bunk, differential lock, dump valve, A/S 5th, fleet maintained

Condition	Used
Usage	932,900 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 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
Stock Number	10DET932C120
MLS Number	12497601
Category	Sleeper Semi Trucks
Last Updated	4/9/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

2022 Freightliner Cascadia Sleeper Semi Truck - 48" Extra-Tall Roof, Detroit, Automatic, Optimized Idle

$65,500 USD

***Note; This unit does not have a passenger seat.***

Condition	Used
Usage	397,496 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13 GHG 17
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Extra Tall Sleeper
Sleeper Size	48"
Rear Axle	Tandem Axle
Rear End	2.47 ratio
Stock Number	53437
MLS Number	14248070
Category	Sleeper Semi Trucks
Last Updated	7/9/2026
Location	Shrewsbury, MA, US
Sold By	Schneider

2022 Freightliner Cascadia Sleeper Semi Truck - 72" Extra-Tall Roof, Detroit, Automatic, Battery Powered HVAC with Optimized Idle

$69,200 USD

Condition	Used
Usage	359,111 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD13 GHG 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	13915
MLS Number	14106702
Category	Sleeper Semi Trucks
Last Updated	7/9/2026
Location	Gary, IN, US
Sold By	Schneider

(716) 218-___ SHOW
NUMBERCall Seller

2020 Peterbilt 389 Sleeper Semi Truck - 44" Flat Top Sleeper, Paccar 510HP, 18 Speed Manual

$65,550 USD

PACCAR MX 13 510HP,132000 FRONT AXLE,40000 REAR AXLE.3.58 RATIO,ALUM WHLS,FULL LOCKERS,18SPD TRANS,,

Condition	Used
Usage	435,846 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	44"
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	213226
MLS Number	13711878
Category	Sleeper Semi Trucks
Last Updated	4/7/2026
Location	Buffalo, NY, US
Sold By	Hunter Truck

(833) 932-___ SHOW
NUMBERCall Seller

2024 Western Star 49X Sleeper Semi Truck - 48" Mid Roof Sleeper, Detroit 560HP, 18 Speed Manual

$164,500 USD

EW4 and Wiring Coverage until 12/28,

Condition	Used
Usage	155,658 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	560 HP
Engine Model	Detroit DD16
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	48"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	83819
MLS Number	14287292
Category	Sleeper Semi Trucks
Last Updated	4/4/2026
Location	Bangor, ME, US
Sold By	Freightliner of Maine

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

$65,000 USD

The 2022 Freightliner Cascadia 126 is a Class 8 highway tractor that stands out in the used truck market for its advanced performance, modern technology and driver-focused comfort, making it...

Condition	Used
Usage	512,652 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	2626
MLS Number	13944364
Category	Sleeper Semi Trucks
Last Updated	4/4/2026
Location	North Las Vegas, NV, US
Sold By	TCI Transportation

(833) 490-___ SHOW
NUMBERCall Seller

2025 Freightliner Cascadia Sleeper Semi Truck, 89,000 MILES!!! 505HP , Next Gen , Financing Available , Trades Welcome , Call Today !!!!!

$152,995 USD

Seize this incredible opportunity on a nearly new 2025 Freightliner Cascadia sleeper that's primed for profitable long-haul runs—with only 89,294 miles on the clock, it's in exceptional...

Warranty

Condition	Used
Usage	89,254 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	UWF1523
MLS Number	14167357
Category	Sleeper Semi Trucks
Last Updated	4/3/2026
Location	Springfield, MO, US
Sold By	Tri State Truck Center - Springfield, MO

(844) 985-___ SHOW
NUMBERCall Seller

Tri State Truck Center - Springfield, MO

2027 Peterbilt 589 Sleeper Semi Truck - Cummins 565HP, Manual

$221,898 USD

Engine: CUMMINS X15, 565 HP, Fuel Type: Diesel, Manual Transmission, Drive: 6x4, Sleeper Size: 58, Tires: 11R22.5, Wheels: Aluminum, Wheel Base: 260, Tandem Rear Axles, Front Axle Weight:...

Condition	New
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Manual
Sleeper Size	58"
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	2140551
MLS Number	14284643
Category	Sleeper Semi Trucks
Last Updated	4/3/2026
Location	Kronenwetter, WI, US
Sold By	JX Truck Center

(844) 307-___ SHOW
NUMBERCall Seller

2023 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

$66,000 USD

Condition	Used
Usage	425,234 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 End	40,000 lb 2.79 ratio
Stock Number	505733
MLS Number	14256790
Category	Sleeper Semi Trucks
Last Updated	4/3/2026
Location	West Sacramento, CA, US
Sold By	International Motors, LLC

(315) 683-___ SHOW
NUMBERCall Seller

2022 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, Cummins 400HP, 12 Speed

$37,750 USD

Inspection Report

Condition	Used
Usage	547,166 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	40,000 lb 2.79 ratio
Stock Number	505255
MLS Number	14049332
Category	Sleeper Semi Trucks
Last Updated	7/2/2026
Location	Liverpool, NY, US
Sold By	International Motors, LLC

(844) 985-___ SHOW
NUMBERCall Seller

2027 Peterbilt 589 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 565HP, Manual

$219,326 USD

Engine: CUMMINS X15, 565 HP, Fuel Type: Diesel, Manual Transmission, Drive: 6x4, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 80, Tires: 11R22.5, Wheels: Aluminum, Wheel Base: 280,...

Condition	New
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	80"
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	2139919
MLS Number	14116554
Category	Sleeper Semi Trucks
Last Updated	4/3/2026
Location	Elmhurst, IL, US
Sold By	JX Truck Center

(502) 208-___ SHOW
NUMBERCall Seller

2023 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

$66,250 USD

Inspection Report

Condition	Used
Usage	383,737 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	40,000 lb 2.79 ratio
Stock Number	505833
MLS Number	14220389
Category	Sleeper Semi Trucks
Last Updated	6/19/2026
Location	Louisville, KY, US
Sold By	International Motors, LLC

(844) 307-___ SHOW
NUMBERCall Seller

2023 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

$72,500 USD

PM,DOT, Available Warranty.

Inspection Report

Condition	Used
Usage	315,121 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 End	40,000 lb 2.79 ratio
Stock Number	506163
MLS Number	14281697
Category	Sleeper Semi Trucks
Last Updated	4/7/2026
Location	West Sacramento, CA, US
Sold By	International Motors, LLC

(833) 478-___ SHOW
NUMBERCall Seller

2015 Freightliner Coronado 132 Sleeper Semi Truck - 72" Mid Roof Sleeper, Detroit 500HP, 18 Speed Manual

Contact for price

2015 CORONADO HEAVY HAUL. REMAN 12.7 60 SEREIS IN PROCESS AND 18SPD TRANS. DOUBLE FRAME WITH 46K REARS AND 20K PUSHER. EQUIPPED WITH 8 BRAND NEW VIRGIN LO PRO 22.5 DRIVES AND 2 BRAND NEW...

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Detroit SERIES 60 12.7 DDEC IV
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.73 ratio
Stock Number	5872
MLS Number	14262979
Category	Sleeper Semi Trucks
Last Updated	4/1/2026
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

2022 Freightliner Cascadia Sleeper Semi Truck - 72" Extra-Tall Roof, Detroit, Automatic, Battery Powered HVAC with Optimized Idle

$76,700 USD

Condition	Used
Usage	340,064 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD13 GHG 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	14034
MLS Number	14275299
Category	Sleeper Semi Trucks
Last Updated	7/9/2026
Location	Gary, IN, US
Sold By	Schneider

(844) 307-___ SHOW
NUMBERCall Seller

2023 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

$67,500 USD

Condition	Used
Usage	411,086 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 End	40,000 lb 2.79 ratio
Stock Number	505865
MLS Number	14272793
Category	Sleeper Semi Trucks
Last Updated	4/3/2026
Location	West Sacramento, CA, US
Sold By	International Motors, LLC

(833) 637-___ SHOW
NUMBERCall Seller

2007 Peterbilt 379EXHD Sleeper Semi Truck - 40" Raised Roof Sleeper, Cummins 475HP, 13 Speed Manual

$59,900 USD

2007 Peterbilt 379 with 48 inch sleeper, ISX 475 hp, 13 speed trans, 1.2 mil miles, recent overhaul, 52000 GVW, 3.55 ratio, 266 wb, flex air susp, new paint,

Condition	Used
Usage	11,184 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Cummins ISX
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	40"
Suspension	Flex Air
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
MLS Number	14234408
Category	Sleeper Semi Trucks
Last Updated	3/27/2026
Location	WINGER, MN, US
Sold By	Lucken Trucks and Parts

2022 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

$67,900 USD

The 2022 Freightliner Cascadia 126 is a Class 8 highway tractor that stands out in the used truck market for its advanced efficiency, modern technology and driver focused comfort, making it...

Condition	Used
Usage	512,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	2266
MLS Number	13707427
Category	Sleeper Semi Trucks
Last Updated	3/27/2026
Location	Phoenix, AZ, US
Sold By	TCI Transportation

(888) 227-___ SHOW
NUMBERCall Seller

2025 Peterbilt 589 Sleeper Semi Truck - 510HP

$185,810.57 USD

56488 Miles, Engine: PACCAR, 510 HP, Fuel Type: Diesel, Drive: 6x4, Wheel Base: 244, Tandem Rear Axles, Front Axle Weight: 12500 lb, Rear Axle Weight: 46000 lb

Condition	Used
Usage	56,488 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Drivetrain	6x4
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	716009A
MLS Number	14009867
Category	Sleeper Semi Trucks
Last Updated	3/25/2026
Location	Saskatoon, SK, Canada
Sold By	Brandt

(833) 490-___ SHOW
NUMBERCall Seller

2022 Volvo VNL860 Sleeper Semi Truck , Factory Warranty , Work Station, Apu , Disc Brakes, DOT Passing, Full Detail , Zero Down Financing WAC!

$69,950 USD

For sale: a 2022 Volvo VNL 860, powered by a robust D13 Engine with 455hp and 1850 lb-ft of torque, paired with a smooth Ishift 12-speed automatic transmission. With 493,000 miles, Disc...

Condition	Used
Usage	493,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Volvo D13
Drivetrain	6x4
Transmission	12 Speed I Shift Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	76"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	38,000 lb 2.47 ratio
Stock Number	U607374
MLS Number	13905602
Category	Sleeper Semi Trucks
Last Updated	3/24/2026
Location	Springfield, MO, US
Sold By	Tri State Truck Center - Springfield, MO

2022 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

Contact for price

The 2022 Freightliner Cascadia 126 is a Class 8 highway tractor that stands out in the used truck market for its robust performance, aerodynamic efficiency and modern driver comfort, making...

Condition	Used
Usage	512,354 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	2626
MLS Number	14070071
Category	Sleeper Semi Trucks
Last Updated	3/24/2026
Location	Fontana, CA, US
Sold By	TCI Transportation

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

$84,200 USD

Condition	Used
Usage	432,101 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	32421
MLS Number	14261860
Category	Sleeper Semi Trucks
Last Updated	7/18/2026
Location	Gary, IN, US
Sold By	Schneider

2022 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 505HP, Automatic

$69,900 USD

The 2022 Freightliner Cascadia 126 is a Class 8 highway tractor that stands out in the used truck market for its powerful performance, aerodynamic efficiency and modern driver‑centric...

Condition	Used
Usage	566,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Rear Axle	Tandem Axle
Stock Number	2623
MLS Number	13822920
Category	Sleeper Semi Trucks
Last Updated	3/26/2026
Location	Fontana, CA, US
Sold By	TCI Transportation

2020 Kenworth T800 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 400HP, 10 Speed Manual

$79,900 USD

The 2020 Kenworth T800 is a Class 8 versatile truck that stands out in the used truck market for its durability, strength and adaptability, making it an excellent choice for regional haul,...

Condition	Used
Usage	162,352 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Mid Roof Sleeper
Rear Axle	Tandem Axle
Stock Number	20434
MLS Number	13696460
Category	Sleeper Semi Trucks
Last Updated	3/24/2026
Location	Humble, TX, US
Sold By	TCI Transportation