Used Automatic 6x4 Flatbed Trucks For Sale by Dealerships

(833) 901-___ SHOW
NUMBERCall Seller

2019 Peterbilt 348 Tandem Axle 28 ft Flatbed Truck - 350HP, Automatic

Price Drop $179,995 USD

Includes 2019 Navigator RT5500 Forklift with 500 Hours (5000# Lift Capacity). 1 owner, New condition, PX9 L9 350HP, Allison automatic, Loadking bed, LK40 Roofing Conveyor, 315/80R22.5 fronts...

Condition	Used
Usage	565 Hours
Duty Class	Heavy Duty Flatbed Truck
Bed Length	28 ft.
Horse Power	350 HP
Engine Model	Paccar PX9
Drivetrain	6x4
Transmission	Allison RDS Automatic
Rear Axle	Tandem Axle
Rear End	52,350 lb 5.29 ratio
Winch	Yes
MLS Number	13778199
Category	Flatbed Trucks
Last Updated	2/24/2026
Location	Cartersville, GA, US
Sold By	Georgia Elite Trucks

2020 Western Star 4900 Tandem Axle 20 ft Flatbed Truck - 500HP, 6 Speed Allison Rds Automatic

Price Drop $104,500 USD

2020 Western Star 4900SB Sleeper Flatbed Truck With Forklift Mount, Detroit Diesel DD16, 500HP, 6 Speed Allison 4500RDS Automatic Transmission, 219,960 ECM Verified Miles 6,678 ECM Verified...

Condition	Used
Usage	6,678 Hours
Duty Class	Heavy Duty Flatbed Truck
Bed Length	20 ft.
Horse Power	500 HP
Engine Model	Detroit DD16
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.70 ratio
Winch	Yes
Stock Number	17089D
MLS Number	13435814
Category	Flatbed Trucks
Last Updated	2/17/2026
Location	Denver, CO, US
Sold By	DTI Trucks

(844) 882-___ SHOW
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2014 Freightliner 114SD Tandem Axle 20 ft Flatbed Truck - 410HP, 6 Speed Allison Rds Automatic

Price Drop $73,977 USD

2014 Freightliner Coronado 114-SD 20' x 96" Aluminum Tandem-Axle Flat-Bed Truck, Detroit DD13 12.8L @ 410 H.P., Engine Brake, Allison 4000-RDS 6-Speed Automatic O/D Transmission, 4.89 Ratio,...

Condition	Used
Usage	171,515 Miles
Duty Class	Heavy Duty Flatbed Truck
Bed Length	20 ft.
Horse Power	410 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.89 ratio
Winch	Yes
Stock Number	4325
MLS Number	13529166
Category	Flatbed Trucks
Last Updated	2/13/2026
Location	Phoenix, AZ, US
Sold By	American Truck Sales & Salvage

(844) 435-___ SHOW
NUMBERCall Seller

2022 Peterbilt 348 Tandem Axle Flatbed Truck

$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	2/7/2026
Location	Manchester, NH, US
Sold By	Allegiance Trucks

(833) 300-___ SHOW
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2020 Kenworth T880 Tandem Axle 25 ft Flatbed Truck - 455HP, 6 Speed Allison Rds Automatic

Contact for price

Flatbed makeFOURGONS LECLAIR, Flatbed model25, Flatbed dimension25 ',, Installed option, COFFRE D"ALUMINIUM, BEACONS LIGHT, Flatbed serial #195572, Faltbed typeACIER / STEEL, Flatbed...

Condition	Used
Usage	6,982 Hours
Duty Class	Heavy Duty Flatbed Truck
Bed Length	25 ft.
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	8 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	C-37338
MLS Number	14127358
Category	Flatbed Trucks
Last Updated	2/5/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

(844) 882-___ SHOW
NUMBERCall Seller

2014 Peterbilt 348 Tandem Axle 24 ft Flatbed Truck - 350HP, 6 Speed Allison Hs Automatic

$42,977 USD

2014 Peterbilt 348 24' x 102" Tandem-Axle Flat-Bed Truck, Fork-Lift Package, Paccar PX-9 8.9L @ 350 H.P., Engine Brake, Allison 3000-HS 6-Speed Automatic O/D Transmission, 5.29 Ratio, 276" W...

Condition	Used
Usage	11,060 Hours
Duty Class	Heavy Duty Flatbed Truck
Bed Length	24 ft.
Horse Power	350 HP
Engine Model	Paccar PX9
Drivetrain	6x4
Transmission	6 Speed Allison HS Automatic
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 5.29 ratio
Winch	Yes
Stock Number	4314
MLS Number	13615209
Category	Flatbed Trucks
Last Updated	2/5/2026
Location	Phoenix, AZ, US
Sold By	American Truck Sales & Salvage

(855) 906-___ SHOW
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2019 Kenworth T680 Flatbed Truck - Paccar, 400HP, 12 Speed Ultrashift Automatic

Contact for price

2019 KENWORTH T680 3-AXLE, MX13 (400 HP), Engine Brake, Paccar PO-16F112 Automatic Transmission, Meritor MP40-14X3 38,000# Dual Drive Rear Axles (4.11 Ratio), Paccar Flex Air Suspension w/...

Condition	Used
Usage	11,455 Hours
Duty Class	Heavy Duty Flatbed Truck
Bed Length	20 ft.
Horse Power	400 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Ultrashift Automatic
Suspension	Flex Air
Rear Axle	Tandem Axle
Rear End	38,000 lb 4.11 ratio
Floor Type	Wood Floor
Winch	Yes
Stock Number	E18200
MLS Number	13279726
Category	Flatbed Trucks
Last Updated	2/4/2026
Location	Healdsburg, CA, US
Sold By	Opperman & Son, Inc.

(724) 648-___ SHOW
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2024 Freightliner M2 106 Tandem Axle 24 ft Flatbed Truck - 360HP, 6 Speed Allison Rds Automatic

$109,900 USD

Local trade, Almost new, full 4 door cab, 22,000 lbs lift axle with 24' steel flatbed,

Condition	Used
Usage	1,551 Hours
Duty Class	Heavy Duty Flatbed Truck
Bed Length	24 ft.
Horse Power	360 HP
Engine Model	Cummins L9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	33,000 lb 4.63 ratio
Floor Type	Steel Floor
Stock Number	286505
MLS Number	14122280
Category	Flatbed Trucks
Last Updated	2/3/2026
Location	Butler, PA, US
Sold By	Hunter Truck

2017 Freightliner M2 106 Tandem Axle 24 ft Flatbed Truck - 330HP, Automatic

$30,000 USD

NICE TRUCK, RUNS EXCELLENT, WELL MAINTAINED, 24 FT FLAT BED WITH FORK-LIFT PACKAGE, AIR SEAT, AIR BRAKES, DIFFERENTIAL LOCK, DUMP VALVE!,

Condition	Used
Usage	305,556 Miles
Duty Class	Heavy Duty Flatbed Truck
Bed Length	24 ft.
Horse Power	330 HP
Engine Model	Cummins ISL
Drivetrain	6x4
Transmission	Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 4.63 ratio
Floor Type	Wood Floor
Stock Number	17M2305TAFLAT
MLS Number	14107130
Category	Flatbed Trucks
Last Updated	1/30/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

2014 Kenworth T370 Tandem Axle 18 ft Flatbed Truck - 300HP, 6 Speed Allison Rds Automatic

$109,500 USD

2014 Kenworth T370 Tandem Axle Flatbed with Vermeer Tanks, Paccar PX-7 6.7L Turbo Diesel Engine, 300 HP, Exhaust Brake, Allison 3000 RDS 6 Speed Automatic Transmission, ONLY 6,958 ECM...

Condition	Used
Usage	332 Hours
Duty Class	Heavy Duty Flatbed Truck
Bed Length	18 ft.
Horse Power	300 HP
Engine Model	Paccar PX7
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Tandem Axle
Rear End	40,000 lb 6.17 ratio
Stock Number	T17786D
MLS Number	13969125
Category	Flatbed Trucks
Last Updated	1/30/2026
Location	Denver, CO, US
Sold By	DTI Trucks

2005 International WorkStar 7400 Tandem Axle 24 ft Flatbed Truck - 350HP, Automatic

$14,000 USD

VERY GOOD TRUCK, RUNS EXCELLENT, DIFFERENTIAL LOCK, DOUBLE FRAME, POWER WINDOWS, POWER MIRRORS, 24 FT FLAT BED!,

Condition	Used
Usage	259,719 Miles
Duty Class	Heavy Duty Flatbed Truck
Bed Length	24 ft.
Horse Power	350 HP
Engine Model	International HT570
Drivetrain	6x4
Transmission	Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	057400259FLAT
MLS Number	13784976
Category	Flatbed Trucks
Last Updated	1/21/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

2014 Peterbilt 348 Tandem Axle 24 ft Flatbed Truck - 350HP, Automatic

$28,000 USD

NICE TRUCK, RUNS EXCELLENT, AIR SEAT, AIR BRAKES, STEERABLE AIR LIFT AXLE, FORK LIFT PACKAGE, 24 FT FLAT BED, DIFFERENTIAL LOCK!,

Condition	Used
Usage	266,511 Miles
Duty Class	Heavy Duty Flatbed Truck
Bed Length	24 ft.
Horse Power	350 HP
Engine Model	Paccar PX9
Drivetrain	6x4
Transmission	Automatic
Suspension	HaulMaax
Rear Axle	Tandem Axle
Rear End	40,000 lb 5.57 ratio
Stock Number	14PETE266TRIFLAT
MLS Number	14088028
Category	Flatbed Trucks
Last Updated	1/14/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

2015 Freightliner M2 106 Tandem Axle 24 ft Flatbed Truck - 350HP, Automatic

$32,000 USD

GOOD TRUCK, RUNS EXCELLENT, DUMP VALVE, DIFFERENTIAL LOCK, AIR SEAT, FORKLIFT PACKAGE, VERY GOOD TRUCK!,

Condition	Used
Usage	255,753 Miles
Duty Class	Heavy Duty Flatbed Truck
Bed Length	24 ft.
Horse Power	350 HP
Engine Model	Cummins ISL
Drivetrain	6x4
Transmission	Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 5.86 ratio
Stock Number	15M2255TAFLAT
MLS Number	14065895
Category	Flatbed Trucks
Last Updated	12/31/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

2017 Freightliner M2 106 Tandem Axle 17 ft Flatbed Truck - 350HP, 6 Speed Allison Rds Automatic

$99,500 USD

2017 Freightliner M2 Tandem Axle 17’ 9” Flatbed, Cummins ISL 8.9L Turbo Diesel Engine, 350 HP, Engine Brake, Allison 3000 RDS 6 Speed Automatic Transmission, ONLY 75,126 ECM Verified Miles ...

Condition	Used
Usage	2,931 Hours
Duty Class	Heavy Duty Flatbed Truck
Bed Length	17 ft.
Horse Power	350 HP
Engine Model	Cummins ISL
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 4.63 ratio
Winch	Yes
Stock Number	T17613D
MLS Number	13879966
Category	Flatbed Trucks
Last Updated	11/5/2025
Location	Denver, CO, US
Sold By	DTI Trucks

2020 Freightliner M2 106 Tandem Axle 22 ft Flatbed Truck - 300HP, 6 Speed Automatic

$109,500 USD

2020 Freightliner M2 22’ 4” Tandem Axle Flatbed, Cummins L9 8.9L Turbo Diesel Engine, 300 HP, Allison 6 Speed Automatic Transmission, ONLY 69,227 ECM Verified Miles, ONLY 1,903 Engine Hours...

Condition	Used
Usage	19,003 Hours
Duty Class	Heavy Duty Flatbed Truck
Bed Length	22 ft.
Horse Power	300 HP
Engine Model	Cummins L9
Drivetrain	6x4
Transmission	6 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Winch	Yes
Stock Number	T17441D
MLS Number	13747989
Category	Flatbed Trucks
Last Updated	11/5/2025
Location	Denver, CO, US
Sold By	DTI Trucks

2010 International DuraStar 4400 Tandem Axle 19 ft Flatbed Truck - 300HP, Automatic

$16,000 USD

GOOD TRUCK, RUNS GREAT, CLEAN, REAR PINTLE HITCH! air seat, air brakes, differential lock, dump valve!,

Condition	Used
Duty Class	Heavy Duty Flatbed Truck
Bed Length	19 ft.
Horse Power	300 HP
Drivetrain	6x4
Transmission	Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 4.56 ratio
Stock Number	104400254TAFLAT
MLS Number	13955515
Category	Flatbed Trucks
Last Updated	11/10/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

2012 International DuraStar 4400 Tandem Axle 19 ft Flatbed Truck - 300HP, Automatic

$16,000 USD

GOOD TRUCK, RUNS GREAT, CLEAN, REAR PINTLE HITCH! air seat, air brakes, differential lock, dump valve!,

Condition	Used
Usage	299,388 Miles
Duty Class	Heavy Duty Flatbed Truck
Bed Length	19 ft.
Horse Power	300 HP
Drivetrain	6x4
Transmission	Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 4.56 ratio
Stock Number	124400299TAFLAT
MLS Number	13481755
Category	Flatbed Trucks
Last Updated	11/10/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

2014 Freightliner M2 106 Tandem Axle 24 ft Flatbed Truck - 350HP, Automatic

$28,000 USD

VERY NICE TRUCK, RUNS AND DRIVES EXCELLENT, AIR SEAT, AIR BRAKES, DOUBLE FRAME, FORK LIFT PACKAGE, HEATED MIRRORS! HEAVY DUTY FLAT BED!,

Condition	Used
Usage	316,325 Miles
Duty Class	Heavy Duty Flatbed Truck
Bed Length	24 ft.
Horse Power	350 HP
Engine Model	Cummins ISL
Drivetrain	6x4
Transmission	Automatic
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb 5.86 ratio
Winch	Yes
Stock Number	14M2316TAFLAT
MLS Number	13607401
Category	Flatbed Trucks
Last Updated	11/10/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

2006 International WorkStar 7500 Tandem Axle 24 ft Flatbed Truck - 330HP, Automatic

$18,000 USD

GOOD TRUCK, RUNS AND DRIVES EXCELLENT, 20,000 LBS FRONT AXLE, 40000 LBS REAR AXLE, 13200 LBS STEERABLE AIR LIFT AXLE, DOUBLE FRAME, FULL LOCKING REARS! * CLEASBY LIFT/BELT LOADER HAS MANY...

Condition	Used
Usage	164,202 Miles
Duty Class	Heavy Duty Flatbed Truck
Bed Length	24 ft.
Horse Power	330 HP
Drivetrain	6x4
Transmission	Automatic
Suspension	HaulMaax
Rear Axle	Tandem Axle
Rear End	40,000 lb
Winch	Yes
Stock Number	067500164TRIFLAT
MLS Number	13642290
Category	Flatbed Trucks
Last Updated	11/10/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

2016 Peterbilt 348 Tandem Axle 24 ft Flatbed Truck - 330HP, Automatic

$45,000 USD

GOOD TRUCK, RUNS GREAT, VERY CLEAN, 24 DR FLAT BED WITH SIDE STORAGE AND ROLLER TAIL! power right window, power mirrors, heated mirrors, differential lock, dump valve!,

Condition	Used
Usage	262,130 Miles
Duty Class	Heavy Duty Flatbed Truck
Bed Length	24 ft.
Horse Power	330 HP
Engine Model	Paccar PX9
Drivetrain	6x4
Transmission	Automatic
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	40,000 lb
Floor Type	Steel Floor
Stock Number	16PETE262TAFLAT
MLS Number	13533490
Category	Flatbed Trucks
Last Updated	11/10/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(833) 300-___ SHOW
NUMBERCall Seller

2008 Freightliner M2 112 Tandem Axle 26 ft Flatbed Truck - 410HP, 6 Speed Allison Hs Automatic

Contact for price

Flatbed makeCUSTOM CARRIER, Flatbed dimension26 ', Installed option, RAMPE EN ACIER: 8', Faltbed typE STEEL, Flatbed winch make WARN INDUSTRIAL: SERIES 15, Flatbed control1 COTÉ / 1 SIDE,

Condition	Used
Usage	525,581 Miles
Duty Class	Heavy Duty Flatbed Truck
Bed Length	26 ft.
Horse Power	410 HP
Engine Model	MBE4000
Drivetrain	6x4
Transmission	6 Speed Allison HS Automatic
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb 4.11 ratio
Stock Number	C-33359
MLS Number	12935446
Category	Flatbed Trucks
Last Updated	1/21/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center