Used 6x4 Trucks For Sale in United States

(844) 985-___ SHOW
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2023 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated

$67,900 USD

450hp Cummins X15; 80in Double Bunk Ultraloft! This 2023 Peterbilt 579 is coming with a DOT Inspection; Fresh PM Service; a 450hp Cummins X15 Engine that is paired with a 12 Speed Automatic...

Condition	Used
Usage	347,516 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	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	8680534
MLS Number	14402456
Category	Sleeper Semi Trucks
Last Updated	7/22/2026
Location	Wyoming, MI, US
Sold By	JX Truck Center

(833) 801-___ SHOW
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2016 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, 10 Speed Ultrashift Amt

Recently Updated

$18,000 USD

GOOD TRUCK, RUNS EXCELLENT, AIR SEATS, DOUBLE BUNK, POWER WINDOWS, POWER MIRRORS, HEATED MIRRORS, DIFFERENTIAL LOCK, DUMP VALVE, SLIDING 5TH!,

Condition	Used
Usage	883,725 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	10 Speed Ultrashift Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	16MX883T680
MLS Number	14394976
Category	Sleeper Semi Trucks
Last Updated	7/22/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(866) 579-___ SHOW
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2023 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Recently Updated

$79,950 USD

FOR SALE — 2023 KENWORTH T680 SLEEPER REMAINING ENGINE AFTERTREATMENT WARRANTY! till June of 2027! Take advantage and call today! This 2023 Kenworth T680 is built for long-haul operations...

Condition	Used
Usage	390,703 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	CO11668
MLS Number	14389036
Category	Sleeper Semi Trucks
Last Updated	7/22/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(833) 986-___ SHOW
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2022 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 455HP

Recently Updated

$89,900 USD

390827 Miles, Engine: DETROIT DD15, 455 HP, Fuel Type: Diesel, Drive: 6x4, Sleeper Size: 72, Tandem Rear Axles

Condition	Used
Usage	390,827 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Sleeper Size	72"
Rear Axle	Tandem Axle
Stock Number	269529
MLS Number	14384420
Category	Sleeper Semi Trucks
Last Updated	7/22/2026
Location	Tampa, FL, US
Sold By	Southport Truck Group

2023 Peterbilt 389 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 565HP, 18 Speed Manual

Price Drop $126,900 USD

319725 Miles, Engine: CUMMINS X15, 565 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Mid Roof Sleeper, Tires: 22.5 low pro, Wheels: All...

Condition	Used
Usage	319,725 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.25 ratio
Stock Number	4088
MLS Number	14373306
Category	Sleeper Semi Trucks
Last Updated	7/22/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales

(855) 489-___ SHOW
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2014 Freightliner 108SD Tandem Axle 25 ft Flatbed Truck - 350HP, 6 Speed Allison Rds Automatic

Newly Listed

$49,000 USD

Cleasby FBR-6-40, 40' Roofing Conveyor, Hydraulic Outriggers, Double Frame, Tuff Track Suspension, 20,000 FA, 40,000 RA, Allison 3000RDS transmission, Cummins ISL 300hp, 25' Flat Bed,...

Condition	Used
Usage	19,158 Hours
Duty Class	Heavy Duty Flatbed Truck
Bed Length	25 ft.
Horse Power	350 HP
Engine Model	Cummins ISL
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tandem Axle
Rear End	40,000 lb 5.29 ratio
Stock Number	2269
MLS Number	14498002
Category	Flatbed Trucks
Last Updated	7/22/2026
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

(844) 714-___ SHOW
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2015 Peterbilt 567 Tri Axle Hooklift Truck - Cummins, 485HP, 18 Speed Manual

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Contact for price

Dual steering gears, 18K FA-46K RA, Dual lockers, 3 Steerable lift axles, 18 speed transmission, Cummins ISX15 485HP, Jake brake, Front/rear disc brakes, Double frame, 192" Cab/trunnion,...

Condition	Used
Usage	261,798 Miles
Duty Class	Heavy Duty Hooklift Truck
Upfit Make	Paisano
Horse Power	485 HP
Engine Model	Cummins ISX15
Drivetrain	6x4
Transmission	18 Speed Manual
Suspension	HaulMaax
Rear Axle	Tri Axle
Rear End	46,000 lb
Stock Number	7073
MLS Number	14322722
Category	Hooklift Trucks
Last Updated	7/22/2026
Location	Aberdeen, ID, US
Sold By	Diesel Depot

(844) 624-___ SHOW
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2019 International HX Day Cab Truck - Cummins 450HP, 10 Speed Manual

Recently Updated

$42,950 USD

BUILT FOR REAL WORK-PTO!!! 10 Speed manual, 450HP Cummins X-15, vertical stack, STRONG day cab work truck, ready to roll!!, NEW BATTERIES!, If you’ve been searching for a true vocational...

Condition	Used
Usage	16,186 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	10 Speed Manual
Suspension	Hendrickson
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	CO11247
MLS Number	14255383
Category	Day Cab Semi Trucks
Last Updated	7/22/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(833) 982-___ SHOW
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2016 Western Star 4700 Day Cab Truck - Detroit 450HP

Recently Updated

$39,500 USD

This 2016 Western Star 4700 day cab is powered by a DD13 engine rated at 450 horsepower and 1650 lb-ft of torque and paired with a 10-speed manual transmission. It is equipped with a 12,000...

Condition	Used
Usage	624,635 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	10 Speed Manual
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.42 ratio
Stock Number	83822
MLS Number	14250409
Category	Day Cab Semi Trucks
Last Updated	7/22/2026
Location	Houlton, ME, US
Sold By	Freightliner of Maine

(833) 932-___ SHOW
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2023 Western Star 49X Sleeper Semi Truck - Detroit 560HP, 18 Speed Manual

Price Drop $139,500 USD

This white 48" sleeper is powered by a Detroit DD16 rated at 560 horsepower and 2,050 lb-ft of torque, delivering exceptional strength for heavy haul and long-distance applications. It is...

Condition	Used
Usage	340,458 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 3.73 ratio
Stock Number	83794
MLS Number	14153299
Category	Sleeper Semi Trucks
Last Updated	7/22/2026
Location	Westbrook, ME, US
Sold By	Freightliner of Maine

(855) 699-___ SHOW
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2018 Freightliner 108SD Grapple Truck - Cummins, 350HP

Newly Listed

$136,500 USD

2018 Freightliner 108SD 6x4, 9,399 Miles, 16,000 Lbs. FAWR, 40,000 Lbs. RAWR, 56,000 Lbs. GVWR, Cummins L9 Engine, 350 Horsepower, Allison 3000RDS Transmission 2014 PM 15523 Knuckle Boom, 15...

Condition	Used
Usage	9,399 Miles
Horse Power	350 HP
Engine Model	Cummins L9 D
Drivetrain	6x4
Transmission	6 Speed
Rear End	40,000 lb
Stock Number	JHJW1550
MLS Number	14497881
Category	Grapple Trucks
Last Updated	7/22/2026
Location	Alvarado, TX, US
Sold By	Custom Truck One Source

2023 Peterbilt 389 Sleeper Semi Truck - 78" Mid Roof Sleeper, Cummins 500HP, 18 Speed Manual

Recently Updated

$116,900 USD

369191 Miles, 12413 Hours, Engine: CUMMINS X15, 500 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Mid Roof Sleeper, Sleeper Size: 78,...

Condition	Used
Usage	12,413 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	78"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.55 ratio
Stock Number	4002
MLS Number	14124513
Category	Sleeper Semi Trucks
Last Updated	7/22/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales

2023 Peterbilt 389 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 500HP, 18 Speed Manual

Recently Updated

$124,900 USD

2023 Peterbilt 389, 18 speed manual transmission, 500 hp Cummins X 15, Refrigerator and inverter, Bunk heater, Single bunk, Microwave, Headache rack, All new virgin Yokohama tires, Cleaned...

Condition	Used
Usage	13,257 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	78"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	38,000 lb 3.08 ratio
Stock Number	4046
MLS Number	13981383
Category	Sleeper Semi Trucks
Last Updated	7/22/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales

2023 Peterbilt 389 Sleeper Semi Truck - 72" Mid Roof Sleeper, Cummins 500HP, 18 Speed Manual

Recently Updated

$122,900 USD

2023 Peterbilt 389, 18 speed manual transmission, 500 hp Cummins X 15, Refrigerator and inverter, Bunk heater, Single bunk, Microwave, Headache rack, All new virgin Yokohama tires, Cleaned...

Condition	Used
Usage	348,769 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	78"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	38,000 lb 3.08 ratio
Stock Number	4048
MLS Number	13910869
Category	Sleeper Semi Trucks
Last Updated	7/22/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales

(844) 321-___ SHOW
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2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 475HP, 12 Speed Dt12 Automatic

Recently Updated

$64,900 USD

468006 Miles, 10412 Hours, Engine: DETROIT DD15, 475 HP, Fuel Type: Diesel, 12 Speed DT12 Automatic Transmission, Drive: 6x4, Overdrive, 4 Bag Air Ride Suspension, Sleeper Type: Raised Roof...

Condition	Used
Usage	10,412 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	1708
MLS Number	14043809
Category	Sleeper Semi Trucks
Last Updated	7/22/2026
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

(833) 801-___ SHOW
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2014 Kenworth T800 Day Cab Truck - Paccar 455HP, 10 Speed Ultrashift Amt

Recently Updated

$20,000 USD

NICE TRUCK, RUNS GREAT, CLEAN,! air seat, air brakes, differential lock, FULL LOCKING REARS, A/S 5th, dump valve, cruise, air seat, power windows, power door locks, power mirrors!,

Condition	Used
Usage	648,049 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	10 Speed Ultrashift Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.90 ratio
Stock Number	14MX648T8DC
MLS Number	13440786
Category	Day Cab Semi Trucks
Last Updated	7/22/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

1995 Kenworth W900, Pre-Emissions, CAT 3406 14.6L, Eaton 18-Spd, 425 H.P. Air-ride, Clean & Ready to go to work truck.

Price Drop $43,900 USD

***** Exceptional values available until July 24th, 2026. Pioneer Day! ***** Pricing is subject to modification. Dealer Doc Fee: $ 290, Sales tax and licensing fees are applicable within...

Condition	Used
Usage	63,867 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	425 HP
Engine Model	Caterpillar 3406
Drivetrain	6x4
Transmission	18 Speed Manual
Suspension	8 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.11 ratio
Stock Number	643316
MLS Number	14294465
Category	Day Cab Semi Trucks
Last Updated	7/21/2026
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

2015 PETERBILT 389 Conventional Long Hood & Long W.B., Tandem Axle, Semi Sleeper Truck, Double frame, 46k Rear Axles.

Recently Updated

$75,893 USD

~ Exceptional values available until July 24th, 2026. ~ Pioneer Day! Pricing is subject to modification. Dealer Doc Fee: $ 290, Sales tax and licensing fees are applicable within the state...

Condition	Used
Usage	656,461 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	550 HP
Engine Model	Cummins ISX
Drivetrain	6x4
Transmission	18 Speed Manual
Suspension	Air Leaf
Rear Axle	Quad Axle
Rear End	46,000 lb 5.58 ratio
Stock Number	267010
MLS Number	13750292
Category	Sleeper Semi Trucks
Last Updated	7/21/2026
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

2017 PETERBILT 579 Quad Axle Dump Truck - NEW 20' Dump Body - Lift Axles Tarping System with Speader, Chain Lockers, and more!

Price Drop $106,500 USD

~ Exceptional values available until Friday July 31th, 2026. ~ Pricing is subject to modification. Dealer Doc Fee: $ 290, Sales tax and licensing fees are applicable within the state of...

Condition	Used
Duty Class	Heavy Duty Dump Truck
Upfit Type	Dump Body
Bed Length	20 ft.
Horse Power	455 HP
Engine Model	Paccar MX/MX-13
Drivetrain	6x4
Transmission	10 Speed Automatic
Suspension	Air Leaf
Rear Axle	Quad Axle
Stock Number	353449
MLS Number	14084230
Category	Dump Trucks
Last Updated	7/22/2026
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

2019 Kenworth T680 Quad Dump Truck, (2 Lift Axles) New 20' Dump Body, 12 Spd Ultra Shift Trans, 455 H.P. Bed Warranty Included

Price Drop $108,500 USD

***** Exceptional values available until July 31st, 2026. ****** Pricing is subject to modification. Dealer Doc Fee: $ 290, Sales tax and licensing fees are applicable within the state of...

Warranty

Condition	Used
Usage	7,872 Hours
Duty Class	Heavy Duty Dump Truck
Bed Length	20 ft.
Horse Power	455 HP
Engine Model	Paccar MX/MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Rear Axle	Quad Axle
Stock Number	376620
MLS Number	14390315
Category	Dump Trucks
Last Updated	7/22/2026
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

2019 Kenworth T680 Quad Axle Dump Truck - NEW 20' Dump Body (warranty)- Lift Axles Tarping System w Speader.

Recently Updated

$107,900 USD

***** Exceptional values available until July 31st, 2026. ***** Pricing is subject to modification. , Dealer Doc Fee: $ 290, Sales tax and licensing fees are applicable within the state of...

Warranty

Quantity	2
Condition	Used
Usage	11,717 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Type	Dump Body
Upfit Make	AMTEX MFG
Bed Length	20 ft.
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Ultrashift Automatic
Suspension	Hendrickson
Rear Axle	Quad Axle
Stock Number	376568
MLS Number	14350567
Category	Dump Trucks
Last Updated	7/22/2026
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

(833) 298-___ SHOW
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2019 Freightliner Cascadia Day Cab Truck, used, Automatic, Arizona

Newly Listed

$34,900 USD

Used 2019 Freightliner Cascadia 125 Day Cab Truck for Sale – Detroit DD15 455 HP, DT12 Automatic This used 2019 Freightliner Cascadia 125 day cab is a dependable, fuel-efficient highway...

Condition	Used
Usage	419,508 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	455 HP
Engine Model	Detroit Detroit DT12Diesel DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	TM5827
MLS Number	14496498
Category	Day Cab Semi Trucks
Last Updated	7/21/2026
Location	Chandler, AZ, US
Sold By	Midco Sales

(833) 964-___ SHOW
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2004 Mack Granite CV713 Roll Off Truck with Manual Transmission, Automatic Tarp and Lift Axle

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*Price does not include applicable taxes and registration. Open to Offers Financing Available Upon Approval

Condition	Used
Usage	34,057 Hours
Duty Class	Heavy Duty Roll Off Truck
Engine Model	E-TEC
Drivetrain	6x4
Transmission	10 Speed Manual
Suspension	Camelback
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	8999
MLS Number	12376659
Category	Roll Off Trucks
Last Updated	7/21/2026
Location	Houston, TX, US
Sold By	Amigo Truck, LLC

(833) 964-___ SHOW
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2007 Mack Granite CTP713B Roll Off Truck with Manual Transmission, Automatic Tarp, and Pintle Hitch

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*Price does not include applicable taxes and registration. Open to Offers Financing Available Upon Approval

Condition	Used
Usage	3,319 Hours
Duty Class	Heavy Duty Roll Off Truck
Horse Power	370 HP
Engine Model	Mack MP7
Drivetrain	6x4
Transmission	Manual
Suspension	Camelback
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	8891
MLS Number	12376642
Category	Roll Off Trucks
Last Updated	7/21/2026
Location	Houston, TX, US
Sold By	Amigo Truck, LLC