Used 6x4 Trucks For Sale in United States

2021 International LT Sleeper Semi Truck - Cummins 450HP, Automatic

$55,000 USD

More units available Contact Ed Gibbs,

Quantity	5
Condition	Used
Usage	353,645 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Drivetrain	6x4
Transmission	Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
MLS Number	14453006
Category	Sleeper Semi Trucks
Last Updated	7/11/2026
Location	Phoenix, AZ, US
Sold By	TCI Transportation

(833) 538-___ SHOW
NUMBERCall Seller

2014 Peterbilt 579 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 475HP, 13 Speed Manual

$34,900 USD

1100000 Miles, Engine: CUMMINS ISX15, 475 HP, Fuel Type: Diesel, 13 Speed Manual Transmission, Drive: 6x4, Sleeper Type: Raised Roof Sleeper, Tandem Rear Axles

Condition	Used
Usage	1,100,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Cummins ISX15
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Raised Roof Sleeper
Rear Axle	Tandem Axle
MLS Number	14478102
Category	Sleeper Semi Trucks
Last Updated	7/11/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales

(866) 579-___ SHOW
NUMBERCall Seller

2016 Mack Titan TD713 Day Cab Truck - MP10 605HP, 18 Speed Manual

$74,950 USD

NEW HEAD-NEW GASKET-New Timing gear housing seals and gaskets! 2016 MACK TITAN TD713 TANDEM AXLE, AIR RIDE SUSPENSION HEAVY HAULER DAYCAB TRUCK WITH MACK MP10 16L 605HP TURBO DIESEL ENGINE...

Condition	Used
Usage	17,201 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	605 HP
Engine Model	Mack MP10
Drivetrain	6x4
Transmission	18 Speed Manual
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.73 ratio
Stock Number	CO11445
MLS Number	14384125
Category	Day Cab Semi Trucks
Last Updated	7/11/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

2015 International LoneStar Sleeper Semi Truck - 75" Mid Roof Sleeper, Cummins 500HP, 13 Speed Manual

$28,000 USD

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

Condition	Used
Usage	608,865 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	15ISX608LONE
MLS Number	14361017
Category	Sleeper Semi Trucks
Last Updated	7/11/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

2018 Freightliner Cascadia 125 Day Cab Truck - Detroit 425HP, 12 Speed Dt12 Automatic

$32,500 USD

The 2018 Freightliner Cascadia 125 is a Class 8 highway tractor that stands out in the used truck market for its fuel efficient design, driver comfort and dependable performance making it a...

Quantity	7
Condition	Used
Usage	433,692 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	425 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	L18345
MLS Number	14244619
Category	Day Cab Semi Trucks
Last Updated	7/11/2026
Location	Los Angeles, CA, US
Sold By	TCI Transportation

2020 Freightliner Cascadia 116 Day Cab Truck - Cummins 400HP, Automatic

$85,900 USD

The 2020 Freightliner Cascadia 116 is a Class 8 regional and highway tractor that stands out in the used truck market for its efficient powertrain aerodynamic design and driver‑oriented...

Quantity	4
Condition	Used
Usage	358,494 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	400 HP
Engine Model	Cummins ISX12N
Drivetrain	6x4
Transmission	Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	L20545
MLS Number	14244612
Category	Day Cab Semi Trucks
Last Updated	7/11/2026
Location	Los Angeles, CA, US
Sold By	TCI Transportation

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 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 strong Detroit diesel powertrain aerodynamic design and driver‑focused...

Condition	Used
Usage	443,772 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
Rear End	40,000 lb
Stock Number	#2628
MLS Number	14244609
Category	Sleeper Semi Trucks
Last Updated	7/11/2026
Location	Los Angeles, CA, US
Sold By	TCI Transportation

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$74,500 USD

The 2022 Freightliner Cascadia 126 is a Class 8 heavy‑duty highway tractor known for combining powerful Detroit diesel performance aerodynamic efficiency and driver comfort, making it a...

Condition	Used
Usage	441,755 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	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	2599
MLS Number	14244605
Category	Sleeper Semi Trucks
Last Updated	7/11/2026
Location	Los Angeles, CA, US
Sold By	TCI Transportation

2021 Freightliner Cascadia 126 Day Cab Truck - Detroit 450HP, 12 Speed Dt12 Automatic

$42,000 USD

Here’s a brief description of the 2021 Freightliner Cascadia 126 highlighting the unique specs that matter in used truck sales:, The 2021 Freightliner Cascadia 126 is a Class 8 highway...

Quantity	4
Condition	Used
Usage	554,101 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	L21326
MLS Number	14244593
Category	Day Cab Semi Trucks
Last Updated	7/11/2026
Location	Los Angeles, CA, US
Sold By	TCI Transportation

2023 Peterbilt 389 Sleeper Semi Truck - Raised Roof Sleeper, Paccar 550HP, 13 Speed Manual

$139,500 USD

The 2023 Peterbilt 389 is a Class 8 long‑haul conventional truck with classic styling and modern performance that stands out on the used truck market, , Powerful engine options including...

Condition	Used
Usage	334,177 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	550 HP
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	2648
MLS Number	14244590
Category	Sleeper Semi Trucks
Last Updated	7/11/2026
Location	Los Angeles, CA, US
Sold By	TCI Transportation

(844) 985-___ SHOW
NUMBERCall Seller

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
Usage	453,437 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	8680315
MLS Number	14140362
Category	Sleeper Semi Trucks
Last Updated	7/11/2026
Location	De Pere, WI, US
Sold By	JX Truck Center

(833) 781-___ SHOW
NUMBERCall Seller

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

$75,500 USD

Condition	Used
Usage	340,783 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15GHG21
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Extra Tall Sleeper
Sleeper Size	48"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	21050
MLS Number	14477883
Category	Sleeper Semi Trucks
Last Updated	8/1/2026
Location	Shrewsbury, MA, US
Sold By	Schneider

(833) 781-___ SHOW
NUMBERCall Seller

2025 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Optimized Idle

$91,700 USD

Condition	Used
Usage	425,601 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	33074
MLS Number	14477879
Category	Sleeper Semi Trucks
Last Updated	7/14/2026
Location	Indianapolis, IN, US
Sold By	Schneider

2015 International LoneStar Sleeper Semi Truck - 75" Mid Roof Sleeper, Cummins 500HP, 13 Speed Manual

$28,000 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	7/11/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

2015 International LoneStar Sleeper Semi Truck - 75" Mid Roof Sleeper, Cummins 500HP, 13 Speed Manual

$28,000 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	688,665 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	15ISX688LONE
MLS Number	13725610
Category	Sleeper Semi Trucks
Last Updated	7/11/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

1988 Freightliner FLC120 Tandem Axle Wrecker Tow Truck - Caterpillar, 400HP, 5+4 Speed Manual

$15,000 USD

NICE OLD WRECKER, RUNS EXCELLENT! HOLMES 750 TOW BED, DUAL WINCHES, STABILZERS! AUXILLARY TRANSMISSION ONLY WORKS IN ONE GEAR/ SELLS AS IS,

Condition	Used
Usage	747,624 Miles
Duty Class	Heavy Duty Wrecker Tow Truck
Horse Power	400 HP
Engine Model	Caterpillar 3406B
Drivetrain	6x4
Transmission	5+4 Speed Manual
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	88FRHTTOW
MLS Number	13566493
Category	Wrecker Tow Trucks
Last Updated	7/11/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(855) 370-___ SHOW
NUMBERCall Seller

2021 International RH Day Cab Truck - A26 450HP

$24,900 USD

Take a closer look at this 2021 International RH. This used day cab truck is configured with a 6x4 drive and a tandem rear axle setup, making it a capable addition to any heavy-duty fleet....

Condition	Used
Usage	11,955 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	12 Speed Endurant
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	21IH039
MLS Number	14476861
Category	Day Cab Semi Trucks
Last Updated	7/10/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

(844) 307-___ SHOW
NUMBERCall Seller

2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, A26 450HP, 10 Speed

$39,150 USD

Inspection Report

Condition	Used
Usage	413,024 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	10 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	40,000 lb 3.25 ratio
Stock Number	504596
MLS Number	13928125
Category	Sleeper Semi Trucks
Last Updated	7/10/2026
Location	Commerce City, CO, US
Sold By	International Motors, LLC

(844) 307-___ SHOW
NUMBERCall Seller

2019 International LT625 Day Cab Truck - A26 430HP, 10 Speed

$18,900 USD

SPECIAL -BLOWOUT PRICING- Auto Transmission. 60 Day Truck Protection.

Inspection Report

Condition	Used
Usage	387,198 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	430 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	10 Speed Automated
Suspension	Air Ride
Rear End	40,000 lb 3.25 ratio
Stock Number	504065
MLS Number	13764751
Category	Day Cab Semi Trucks
Last Updated	7/10/2026
Location	Commerce City, CO, US
Sold By	International Motors, LLC

(833) 986-___ SHOW
NUMBERCall Seller

2022 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 400HP

$67,900 USD

518767 Miles, Engine: DETROIT DD15, 400 HP, Fuel Type: Diesel, Drive: 6x4, Tandem Rear Axles

Condition	Used
Usage	518,767 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Rear Axle	Tandem Axle
Stock Number	270738
MLS Number	14463894
Category	Sleeper Semi Trucks
Last Updated	7/15/2026
Location	Tampa, FL, US
Sold By	Southport Truck Group

(570) 638-___ SHOW
NUMBERCall Seller

2022 Peterbilt 389 Day Cab Truck - Cummins 525HP, 18 Speed Manual

$109,900 USD

PURPLE REIGN IS HERE!!! FRESHLY TRADED 2022 PETERBILT 389L!!! CUMMINS POWER, 18 SPD, SUPER CLEAN AND READY TO WORK!!! PLEASE CALL HUNTER TRUCK SCRANTON SALES FOR MORE INFORMATION AND THE...

Condition	Used
Usage	545,606 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	525 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.70 ratio
Stock Number	240588
MLS Number	14434548
Category	Day Cab Semi Trucks
Last Updated	7/10/2026
Location	Scranton, PA, US
Sold By	Hunter Truck

(855) 653-___ SHOW
NUMBERCall Seller

2017 Peterbilt 365 Dump Truck - Cummins 450HP, 6 Speed Allison Rds Automatic, 14' Dump

$142,500 USD

2017 Peterbilt 365 Tandem Axle Dump Truck, 11.9L Cummins ISX12 Turbo Diesel Engine, 450 HP, Engine Brake, Allison 4500RDS 6 Speed Automatic Transmission, 107,742 Miles 5,777 Engine Hours,...

Condition	Used
Usage	5,777 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	DuraClass
Bed Length	14 ft.
Horse Power	450 HP
Engine Model	Cummins ISX12
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Walking Beam
Rear Axle	Tandem Axle
Rear End	40,000 lb 4.33 ratio
Stock Number	T18177D
MLS Number	14422621
Category	Dump Trucks
Last Updated	7/11/2026
Location	Denver, CO, US
Sold By	DTI Trucks

(855) 807-___ SHOW
NUMBERCall Seller

2023 Freightliner Coronado 122 SD Sleeper Semi Truck - 70" Mid Roof Sleeper, Detroit 505HP, 18 Speed Manual

$124,500 USD

FACTORY WARRANTY ENGINE PARTS ONLY UP TIL 1/9/2028 OR 500K! 2023 FREIGHTLINER CORANADO SD122, LOW MILES, DETROIT DD13 505HP, EATON MANUAL 18 SPEED TRANSMISSION, DOUBLE FRAMED, 14,320 FAW,...

Condition	Used
Usage	161,835 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	70"
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.73 ratio
Stock Number	7275
MLS Number	14418120
Category	Sleeper Semi Trucks
Last Updated	7/10/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(855) 807-___ SHOW
NUMBERCall Seller

2023 Freightliner Coronado 122 SD Sleeper Semi Truck - 70" Mid Roof Sleeper, Detroit 505HP, 18 Speed Manual

$124,500 USD

FACTORY WARRANTY ENGINE PARTS ONLY UP TIL 1/9/2028 OR 500K! 2023 FREIGHTLINER CORANADO SD122, LOW MILES, DETROIT DD13 505HP, EATON MANUAL 18 SPEED TRANSMISSION, DOUBLE FRAMED, 14,320 FAW,...

Condition	Used
Usage	135,243 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	70"
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.73 ratio
Stock Number	7274
MLS Number	14418079
Category	Sleeper Semi Trucks
Last Updated	7/10/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd