Used 6x4 Trucks For Sale in United States

(855) 653-___ SHOW
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2025 Kenworth T880 Tandem Axle Cab & Chassis Truck - Cummins, 525HP, 6 Speed Allison Rds Automatic

Recently Updated

$235,000 USD

2025 Kenworth T880 Tandem Axle Dump Truck, Cummins X15 Turbo Diesel Engine, 525 HP, Engine Brake, Allison 4500 RDS 6 Speed Automatic Transmission, ONLY 46 Original Miles 30 Engine Hours,...

Condition	Used
Usage	30 Hours
Duty Class	Heavy Duty Cab & Chassis Truck
Upfit Make	Colt
Horse Power	525 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tandem Axle
Rear End	44,000 lb 4.11 ratio
Stock Number	T17745D
MLS Number	13952754
Category	Cab & Chassis Trucks
Last Updated	4/7/2026
Location	Denver, CO, US
Sold By	DTI Trucks

(844) 831-___ SHOW
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2020 International LT625 Day Cab Truck - Cummins 400HP, 12 Speed

Recently Updated

$33,500 USD

Inspection Report

Condition	Used
Usage	355,762 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Suspension	Air Ride
Rear End	40,000 lb 2.79 ratio
Stock Number	503257
MLS Number	13677362
Category	Day Cab Semi Trucks
Last Updated	4/7/2026
Location	Indianapolis, IN, US
Sold By	International Motors, LLC

(844) 823-___ SHOW
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2019 International LT625 Day Cab Truck - A26 430HP, 10 Speed

Recently Updated

$20,500 USD

Inspection Report

Condition	Used
Usage	292,728 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	503501
MLS Number	13693449
Category	Day Cab Semi Trucks
Last Updated	4/7/2026
Location	Shreveport, LA, US
Sold By	International Motors, LLC

(844) 831-___ SHOW
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2020 International LT625 Day Cab Truck - Cummins 400HP, 12 Speed

Recently Updated

$34,750 USD

Inspection Report

Condition	Used
Usage	347,173 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Suspension	Air Ride
Rear End	40,000 lb 2.79 ratio
Stock Number	503165
MLS Number	13657213
Category	Day Cab Semi Trucks
Last Updated	4/7/2026
Location	Indianapolis, IN, US
Sold By	International Motors, LLC

(888) 758-___ SHOW
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2023 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

Newly Listed

$67,500 USD

Inspection Report

Condition	Used
Usage	406,344 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	505948
MLS Number	14293756
Category	Sleeper Semi Trucks
Last Updated	4/7/2026
Location	Conley, GA, US
Sold By	International Motors, LLC

(716) 218-___ SHOW
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2020 Peterbilt 389 Sleeper Semi Truck - 44" Flat Top Sleeper, Paccar 510HP, 18 Speed Manual

Price Drop $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

(716) 218-___ SHOW
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2019 Peterbilt 389 Day Cab Truck - Paccar 510HP, 18 Speed Manual

Recently Updated

$65,750 USD

PACCAR MX13 510HP,18 SPD TRANS,13200 FRT AXLE 46000 REAR AXLE,240 WB,3.73 RATIO, ALUM WHLS,

Condition	Used
Usage	518,840 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	18 Speed Manual
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	236023
MLS Number	13711874
Category	Day Cab Semi Trucks
Last Updated	4/7/2026
Location	Buffalo, NY, US
Sold By	Hunter Truck

2021 International HV Tri Axle Dump Truck - Cummins 370HP, Automatic

Price Drop $109,900 USD

Cummins L9 370HP, Allison 4500RDS, 20000 Front, 46000 Full Locking Rears, 20000 Steerable Lift axle, 18' Brandon Steel Dump with 3 Chutes,

Condition	Used
Usage	142,363 Miles
Duty Class	Heavy Duty Dump Truck
Horse Power	370 HP
Engine Model	Cummins L9
Drivetrain	6x4
Transmission	6 Speed Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	46,000 lb 6.14 ratio
Stock Number	250584
MLS Number	13556796
Category	Dump Trucks
Last Updated	4/7/2026
Location	Hartford, CT, US
Sold By	Allegiance Trucks

(844) 956-___ SHOW
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2021 Kenworth T680 Day Cab Truck - Paccar 455HP, 13 Speed Manual

Recently Updated

$51,700 USD

Paccar MX-13 6 Cylinder 12.9 L Diesel 455 HP Engine, 2019 US EPA Label, CARB Compliant, Requires Diesel Exhaust Fluid, 100 gal Left Fuel Tank 150 gal Right Fuel Tank, Power Locks, Air...

Condition	Used
Usage	402,078 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	13 Speed Manual
Suspension	AG 400L
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	C5309
MLS Number	13540160
Category	Day Cab Semi Trucks
Last Updated	4/7/2026
Location	West Sacramento, CA, US
Sold By	DeWald Equipment

2020 International HX Day Cab Truck - Cummins 450HP

Recently Updated

$79,900 USD

260746 Miles, Engine: CUMMINS X15, 450 HP, Fuel Type: Diesel, Drive: 6x4, Air Ride Suspension, Wheel Base: 221, Tandem Rear Axles, Front Axle Weight: 14600 lb, Rear Axle Weight: 40000 lb

Condition	Used
Usage	260,746 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.70 ratio
Stock Number	339349
MLS Number	13523495
Category	Day Cab Semi Trucks
Last Updated	4/7/2026
Location	Barrington, NH, US
Sold By	Allegiance Trucks

(844) 985-___ SHOW
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2022 Peterbilt 389 Sleeper Semi Truck - 78" Raised Roof Sleeper, Cummins 500HP, Automatic

Recently Updated

$104,900 USD

18 Speed Automatic! 2022 Peterbilt 389 powered by a 500HP CUMMINS Engine has received our Dealer Inspection which includes a PM Service with all Filters changed; a DOT Inspection and a DPF...

Condition	Used
Usage	419,636 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	78"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	38,000 lb 3.25 ratio
Stock Number	8679825
MLS Number	13486787
Category	Sleeper Semi Trucks
Last Updated	4/7/2026
Location	Wyoming, MI, US
Sold By	JX Truck Center

2024 Kenworth W900 Sleeper Semi Truck - 54" Flat Top Sleeper, Cummins 400HP, 18 Speed Manual

Recently Updated

$199,900 USD

Remaining Factory warranty on engine and aftertreatment

Condition	Used
Usage	52,023 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	605 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	54"
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	330481
MLS Number	13481377
Category	Sleeper Semi Trucks
Last Updated	4/7/2026
Location	Saco, ME, US
Sold By	Allegiance Trucks

(833) 801-___ SHOW
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2006 Mack Granite CV713 Tandem Axle Cab & Chassis Truck - 400HP, 10 Speed Manual

Recently Updated

$18,000 USD

good truck, runs great, double frame, differential lock, air seat, power mirrors, heated mirrors! HEAVY DUTY TRUCK!!,

Condition	Used
Usage	978,339 Miles
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	400 HP
Drivetrain	6x4
Transmission	10 Speed Manual
Suspension	Camelback
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.42 ratio
Stock Number	06CV978TACC
MLS Number	13450513
Category	Cab & Chassis Trucks
Last Updated	4/12/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

2019 International LT Day Cab Truck - Cummins 450HP, 10 Speed Automatic

Recently Updated

$26,900 USD

very clean low mile tandem day cab, ISX Power, Auto Shift,

Condition	Used
Usage	344,854 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	277518
MLS Number	13364600
Category	Day Cab Semi Trucks
Last Updated	4/7/2026
Location	Liverpool, NY, US
Sold By	Allegiance Trucks

2022 Peterbilt 348 Tandem Axle Flatbed Truck

Recently Updated

$110,900 USD

55313 Miles, Engine: PACCAR PX9, 260 HP, Automatic Transmission, Drive: 6x4, Tandem Rear Axles

Condition	Used
Usage	55,313 Miles
Duty Class	Light Duty Flatbed Truck
Horse Power	260 HP
Engine Model	Paccar PX9
Drivetrain	6x4
Transmission	Automatic
Rear Axle	Tandem Axle
Stock Number	341826
MLS Number	13201201
Category	Flatbed Trucks
Last Updated	4/7/2026
Location	Manchester, NH, US
Sold By	Allegiance Trucks

2018 International HX Day Cab Truck - Cummins 505HP

Recently Updated

$89,900 USD

two line wet system high pressure pump, head ache rack fenders

Condition	Used
Usage	204,111 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	505 HP
Engine Model	Cummins X15
Drivetrain	6x4
Rear Axle	Tandem Axle
Stock Number	203735
MLS Number	13201161
Category	Day Cab Semi Trucks
Last Updated	4/7/2026
Location	Manchester, NH, US
Sold By	Allegiance Trucks

2020 Freightliner Cascadia 125 Sleeper Semi Truck - 60" Raised Roof Sleeper, Detroit 505HP, Automatic

Recently Updated

$49,900 USD

505HP DD15 Engine with 46,000 rears,

Condition	Used
Usage	422,586 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	6 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.73 ratio
Stock Number	334995
MLS Number	13129777
Category	Sleeper Semi Trucks
Last Updated	4/11/2026
Location	Manchester, NH, US
Sold By	Allegiance Trucks

2023 International HX Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 525HP

Recently Updated

$129,900 USD

73” raised roof sleeper with stainless ¼” fenders. Diamond Logic interior for premier driver comfort. Powered by Cummins X15. Low mileage (Factory Engine Warranty 5yr/500,000)Exp. 11/07/27,

Condition	Used
Usage	177,679 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	525 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	340751
MLS Number	13015222
Category	Sleeper Semi Trucks
Last Updated	4/7/2026
Location	Manchester, NH, US
Sold By	Allegiance Trucks

(855) 561-___ SHOW
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2020 Peterbilt 389 Car Carrier Truck

Newly Listed

$208,999 USD

501045 1NPSLP9X9LD708567 2020 Peterbilt 365 Paccar MX-13 Sleeper 511045 5E0AA1644LG425203 2020 Cottrell Quickloader

Condition	Used
Usage	468,993 Miles
Duty Class	Heavy Duty Car Carrier Truck
Horse Power	380 HP
Engine Model	Paccar MX/MX-13
Drivetrain	6x4
Stock Number	501045
MLS Number	14292863
Category	Car Carrier Trucks
Last Updated	4/6/2026
Location	Fremont, IN, US
Sold By	IMT Commercial LLC

(855) 561-___ SHOW
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2020 Peterbilt 389 Car Carrier Truck

Newly Listed

$208,999 USD

501044 1NPSLP9X7LD708566 2020 Peterbilt 365 Paccar MX-13 Sleeper 511044 5E0AA1642LG425202 2020 Cottrell Quickloader

Condition	Used
Usage	576,311 Miles
Duty Class	Heavy Duty Car Carrier Truck
Horse Power	380 HP
Engine Model	Paccar MX/MX-13
Drivetrain	6x4
Stock Number	501044
MLS Number	14292862
Category	Car Carrier Trucks
Last Updated	4/6/2026
Location	Fremont, IN, US
Sold By	IMT Commercial LLC

(844) 445-___ SHOW
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2005 International WorkStar 7600 Tandem with lift axle, Flatbed Truck-Mounted Knuckle Boom Crane.

Recently Updated

$73,500 USD

~ JUST IN! This 2005 International 7600 Conventional Day Bed is equipped with 24' length flatbed, Hiab 288-E-4 HK Pro Knuckle Boom. Hydraulic outriggers, Steerable lift axle,10.8 L Diesel,...

Condition	Used
Usage	15,186 Hours
Duty Class	Heavy Duty Truck-Mounted Knuckle Boom Crane
Engine Model	Cummins ISM
Drivetrain	6x4
Transmission	10 Speed Manual
Rear End	46,000 lb
Door Type	Swing
Stock Number	172456
MLS Number	14265185
Category	Truck-Mounted Knuckle Boom Cranes
Last Updated	4/10/2026
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

(833) 781-___ SHOW
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2023 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Optimized Idle - Manager's Special!

Recently Updated

$73,900 USD

Condition	Used
Usage	399,040 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	54550
MLS Number	13019987
Category	Sleeper Semi Trucks
Last Updated	4/6/2026
Location	PHOENIX, AZ, US
Sold By	Schneider

(833) 781-___ SHOW
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2021 International LT - 56" Hi Rise Single Bunk Sleeper, International A26, Automatic - Manager's Special!

Price Drop $28,900 USD

Condition	Used
Usage	455,117 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	221048
MLS Number	13847375
Category	Sleeper Semi Trucks
Last Updated	4/6/2026
Location	Carlisle, PA, US
Sold By	Schneider

(833) 801-___ SHOW
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2013 International WorkStar 7400 Tandem Axle Garbage Truck - 350HP, Automatic

Recently Updated

$25,000 USD

VERY GOOD TRUCK, RUNS AND WORKS GREAT, LOW MILES, EZ PAK REAR LOADER BODY, REAR TIPPERS, DOUBLE FRAME, DIFFERENTIAL LOCK, air brakes!,

Condition	Used
Usage	221,820 Miles
Duty Class	Heavy Duty Side Load Garbage Truck
Horse Power	350 HP
Drivetrain	6x4
Transmission	Automatic
Suspension	HaulMaax
Rear Axle	Tandem Axle
Rear End	46,000 lb 5.88 ratio
Stock Number	137400221TAGAR
MLS Number	13879813
Category	Garbage Trucks
Last Updated	4/10/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales