6 Speed Flatbed Trucks with Spring Suspension For Sale

26 - 50 of 112 listings

2019 Isuzu NQR Flatbed Truck - 215HP, 6 Speed Automatic

$37,250 USD

Used 2019 Isuzu NQR Flatbed Truck for sale, 215 HP diesel engine, 6-speed automatic transmission, 152,913 miles, 176-inch wheelbase, 30-gallon fuel capacity, integral sleeper, medium duty...

Condition	Used
Usage	152,913 Miles
Duty Class	Medium Duty Flatbed Truck
Horse Power	215 HP
Engine Model	Isuzu 4HK1TC
Transmission	6 Speed Automatic
Sleeper Type	Integral Sleeper
Suspension	Spring
Rear Axle	Single Axle
Rear End	12,980 lb 5.12 ratio
Stock Number	237223
MLS Number	14043714
Category	Flatbed Trucks
Last Updated	12/17/2025
Location	Medley, FL, US
Sold By	Penske Used Trucks

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2019 Freightliner M2 Flatbed Truck - 220HP, 6 Speed Automatic

$44,500 USD

Used 2019 Freightliner M2 Flatbed Truck with 220HP Cummins B6.7 diesel engine, 6-speed Allison automatic transmission, single rear axle, 252" wheelbase, 80 gal fuel capacity, and 110" height...

Condition	Used
Usage	159,223 Miles
Duty Class	Medium Duty Flatbed Truck
Horse Power	220 HP
Engine Model	Cummins B6.7
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	19,000 lb 5.56 ratio
Stock Number	228452
MLS Number	14013416
Category	Flatbed Trucks
Last Updated	12/25/2025
Location	Lansing, MI, US
Sold By	Penske Used Trucks

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2020 Freightliner M2 Tandem Axle Flatbed Truck - 330HP, 6 Speed Automatic

Price Drop $63,000 USD

Used 2020 Freightliner M2 Tandem Axle Flatbed Truck for sale, 160,701 miles, 330HP Cummins L9 diesel engine, 6-speed Allison automatic transmission, 14,700 lb front axle, 40,000 lb tandem...

Condition	Used
Usage	160,701 Miles
Duty Class	Heavy Duty Flatbed Truck
Horse Power	330 HP
Engine Model	Cummins L9
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Tandem Axle
Rear End	40,000 lb 4.88 ratio
Stock Number	280977
MLS Number	14013637
Category	Flatbed Trucks
Last Updated	1/4/2026
Location	Atlanta, GA, US
Sold By	Penske Used Trucks

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2024 RAM 5500 Tradesman 11 ft Flatbed Truck - 360HP, 6 Speed Automatic

$79,900 USD

Like new 2024 Ram 5500 Tradesman Crew Cab Truck with 6.7 Cummins Turbo Diesel Engine, 6-Speed Automatic Aisin AS69RC HD Transmission, 488 Ratio Rear Differential, Max Tow Package, Alcoa Dura...

Condition	Used
Usage	3,434 Miles
Duty Class	Medium Duty Flatbed Truck
Bed Length	11 ft.
Horse Power	360 HP
Engine Model	Cummins B6.7
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	13,500 lb 4.88 ratio
Stock Number	SBA1336
MLS Number	13951300
Category	Flatbed Trucks
Last Updated	12/10/2025
Location	Grand Junction, CO, US
Sold By	SellBuyAuction

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2013 International 4300 Flatbed Truck - 230HP, 6 Speed Automatic

Price Drop $8,000 USD

Used 2013 International 4300 Flatbed Truck with 230HP diesel MFDT engine, 6-speed automatic Allison transmission, single rear axle, 254-inch wheelbase, spring suspension, and 70-gallon fuel...

Condition	Used
Usage	218,173 Miles
Duty Class	Medium Duty Flatbed Truck
Horse Power	230 HP
Engine Model	MFDT
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	19,000 lb 5.57 ratio
Stock Number	717953
MLS Number	13376598
Category	Flatbed Trucks
Last Updated	1/7/2026
Location	Warren, MI, US
Sold By	Penske Used Trucks

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2016 Freightliner M2 Flatbed Truck - 220HP, 6 Speed Automatic

$24,750 USD

Used 2016 Freightliner M2 Flatbed Truck with 220HP Cummins ISB6.7 diesel engine, 6-speed Allison automatic transmission, 10,000 lbs front axle, 18,000 lbs rear single axle. Fuel capacity 100...

Condition	Used
Usage	265,841 Miles
Duty Class	Medium Duty Flatbed Truck
Horse Power	220 HP
Engine Model	Cummins ISB6.7
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	18,000 lb 5.13 ratio
Stock Number	717846
MLS Number	13403530
Category	Flatbed Trucks
Last Updated	1/2/2026
Location	Anaheim, CA, US
Sold By	Penske Used Trucks

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2015 Isuzu NQR Flatbed Truck - 210HP, 6 Speed Automatic

$29,000 USD

Used 2015 Isuzu NQR Flatbed Truck for sale, 122,841 miles, 210 HP Isuzu 4HK1TC diesel engine, 6-speed Aisin automatic transmission, single rear axle, spring suspension, 17,600 lbs GVWR....

Condition	Used
Usage	122,841 Miles
Duty Class	Medium Duty Flatbed Truck
Horse Power	210 HP
Engine Model	Isuzu 4HK1TC
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	19,500 lb
Stock Number	717782
MLS Number	13434460
Category	Flatbed Trucks
Last Updated	12/28/2025
Location	South San Francisco, CA, US
Sold By	Penske Used Trucks

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2016 International TERASTAR Flatbed Truck - 300HP, 6 Speed Automatic

$15,250 USD

Used 2016 International TERASTAR Flatbed Truck with 300HP MF7 diesel engine, 6-speed Allison automatic transmission, single rear axle, 7000 lbs front axle, 13500 lbs rear axle. Check it out!

Condition	Used
Usage	109,973 Miles
Duty Class	Medium Duty Flatbed Truck
Horse Power	300 HP
Engine Model	MF7
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	13,500 lb 4.10 ratio
Stock Number	717437
MLS Number	13229863
Category	Flatbed Trucks
Last Updated	12/4/2025
Location	Las Vegas, NV, US
Sold By	Penske Used Trucks

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2014 International 4300 Tandem Axle Flatbed Truck - 230HP, 6 Speed Automatic

Price Drop $7,000 USD

Used 2014 International 4300 Flatbed Truck for sale, 230 HP MFDT diesel engine, 6-speed automatic Allison transmission, spring suspension, 19,000 lbs front axle, 254" wheelbase. Check it out...

Condition	Used
Horse Power	230 HP
Engine Model	MFDT
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	5.29 ratio
Stock Number	715584
MLS Number	12035464
Category	Flatbed Trucks
Last Updated	1/7/2026
Location	Huntington, WV, US
Sold By	Penske Used Trucks

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2012 International 4400 Tandem Axle Flatbed Truck - 285HP, 6 Speed Manual

Price Drop $7,000 USD

Used 2012 International 4400 Flatbed Truck for sale, 228,012 miles, 285 HP MFDT diesel engine, Eaton 6-speed manual transmission, tandem rear axle, 20,000 lbs front axle, 40,000 lbs rear...

Condition	Used
Usage	228,012 Miles
Duty Class	Heavy Duty Flatbed Truck
Horse Power	285 HP
Engine Model	MFDT
Transmission	6 Speed Manual
Suspension	Spring
Rear Axle	Tandem Axle
Rear End	40,000 lb 4.88 ratio
Stock Number	715583
MLS Number	12035463
Category	Flatbed Trucks
Last Updated	1/7/2026
Location	Huntington, WV, US
Sold By	Penske Used Trucks

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2021 Chevrolet Silverado Flatbed Truck - 350HP, 6 Speed Automatic

$36,000 USD

Used 2021 Chevrolet Silverado Flatbed Truck for sale, 350 HP DURMX6.6 diesel engine, 6-speed automatic transmission, 136,151 miles, single rear axle 15,500 lbs, spring suspension. Check it...

Condition	Used
Usage	136,151 Miles
Duty Class	Medium Duty Flatbed Truck
Horse Power	350 HP
Engine Model	Chevy DURMX6.6
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	15,500 lb 3.10 ratio
Stock Number	405568
MLS Number	13907332
Category	Flatbed Trucks
Last Updated	1/11/2026
Location	San Antonio, TX, US
Sold By	Penske Used Trucks

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2020 Isuzu NQR Flatbed Truck - 215HP, 6 Speed Automatic

$35,750 USD

Used 2020 Isuzu NQR Flatbed Truck for sale, 164,884 miles, 215 HP diesel 4HK1TC engine by Isuzu, 6-speed automatic Aisin transmission, single rear axle, medium duty GVWR, 150-inch wheelbase....

Condition	Used
Usage	164,884 Miles
Duty Class	Medium Duty Flatbed Truck
Horse Power	215 HP
Engine Model	Isuzu 4HK1TC
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	12,980 lb 5.12 ratio
Stock Number	368965
MLS Number	14014358
Category	Flatbed Trucks
Last Updated	1/8/2026
Location	Torrance, CA, US
Sold By	Penske Used Trucks

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2020 Isuzu NRR Flatbed Truck - 215HP, 6 Speed Automatic

Price Drop $38,000 USD

Used 2020 Isuzu NRR Flatbed Truck for sale, 215 HP diesel engine, 6-speed automatic transmission, 96,881 miles, 176" wheelbase, 30-gallon fuel capacity, single rear axle, spring suspension....

Condition	Used
Usage	96,881 Miles
Duty Class	Medium Duty Flatbed Truck
Horse Power	215 HP
Engine Model	Isuzu 4HK1TC
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	14,550 lb 5.57 ratio
Stock Number	366280
MLS Number	13533594
Category	Flatbed Trucks
Last Updated	1/10/2026
Location	Parsippany, NJ, US
Sold By	Penske Used Trucks

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2020 Freightliner M2 Tandem Axle 24 ft Flatbed Truck - 300HP, 6 Speed Automatic

Price Drop $30,500 USD

Used 2020 Freightliner M2 Flatbed Truck for sale, 294,780 miles, 300HP Cummins L9 diesel engine, 6-speed Allison automatic transmission, tandem rear axle, spring suspension, 24 ft flatbed....

Condition	Used
Usage	294,780 Miles
Duty Class	Heavy Duty Flatbed Truck
Horse Power	300 HP
Engine Model	Cummins L9
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Tandem Axle
Rear End	40,000 lb 5.29 ratio
Stock Number	354876
MLS Number	13519869
Category	Flatbed Trucks
Last Updated	1/4/2026
Location	Fort Worth, TX, US
Sold By	Penske Used Trucks

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2020 International MV607 26 ft Flatbed Truck - 250HP, 6 Speed Automatic

$31,750 USD

Used 2020 International MV607 26 ft Flatbed Truck for sale, 225,431 miles, Cummins B6.7 diesel engine, 250 HP, 6-speed Allison automatic transmission, 10,000 lb front axle, 17,500 lb rear...

Condition	Used
Usage	225,431 Miles
Duty Class	Medium Duty Flatbed Truck
Horse Power	250 HP
Engine Model	Cummins B6.7
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	17,500 lb 5.57 ratio
Stock Number	352413
MLS Number	13657267
Category	Flatbed Trucks
Last Updated	1/7/2026
Location	Tampa, FL, US
Sold By	Penske Used Trucks

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2020 International MV607 26 ft Flatbed Truck - 250HP, 6 Speed Automatic

Price Drop $40,500 USD

Used 2020 International MV607 26 ft flatbed truck, 250HP Cummins B6.7 diesel engine, 6-speed Allison automatic transmission, 143,908 miles, single rear axle, spring suspension, 70-gallon...

Condition	Used
Usage	143,944 Miles
Duty Class	Medium Duty Flatbed Truck
Horse Power	250 HP
Engine Model	Cummins B6.7
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	17,500 lb 5.57 ratio
Stock Number	352405
MLS Number	13803290
Category	Flatbed Trucks
Last Updated	1/4/2026
Location	West Valley City, UT, US
Sold By	Penske Used Trucks

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2019 Freightliner M2 24 ft Flatbed Truck - 220HP, 6 Speed Automatic

$40,000 USD

Used 2019 Freightliner M2 24 ft Flatbed Truck for sale, 206,517 miles, 220HP Cummins B6.7 diesel engine, 6-speed Allison automatic transmission, 10,000 lb front axle, 19,000 lb single rear...

Condition	Used
Usage	206,517 Miles
Duty Class	Medium Duty Flatbed Truck
Horse Power	220 HP
Engine Model	Cummins B6.7
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	19,000 lb 5.22 ratio
Stock Number	222011
MLS Number	13689487
Category	Flatbed Trucks
Last Updated	1/11/2026
Location	Rochester, NY, US
Sold By	Penske Used Trucks

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2019 Freightliner M2 26 ft Flatbed Truck - 220HP, 6 Speed Automatic

Price Drop $35,000 USD

Used 2019 Freightliner M2 26 ft Flatbed Truck for sale, 224,959 miles, 220 HP Cummins B6.7 diesel engine, 6-speed Allison automatic transmission, 10,000 lbs front axle, 19,000 lbs rear axle....

Condition	Used
Usage	224,959 Miles
Duty Class	Medium Duty Flatbed Truck
Horse Power	220 HP
Engine Model	Cummins B6.7
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	19,000 lb 5.56 ratio
Stock Number	221245
MLS Number	13743564
Category	Flatbed Trucks
Last Updated	1/4/2026
Location	Elkhart, IN, US
Sold By	Penske Used Trucks

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2019 Freightliner M2 Flatbed Truck - 220HP, 6 Speed Automatic

$46,000 USD

Used 2019 Freightliner M2 Flatbed Truck for sale, 77,461 miles, powered by a Cummins B6.7 diesel engine with 220 HP. Features a 6-speed Allison automatic transmission, single rear axle,...

Condition	Used
Usage	77,461 Miles
Duty Class	Medium Duty Flatbed Truck
Horse Power	220 HP
Engine Model	Cummins B6.7
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	13,000 lb 4.56 ratio
Stock Number	216674
MLS Number	14012905
Category	Flatbed Trucks
Last Updated	1/7/2026
Location	Bensalem, PA, US
Sold By	Penske Used Trucks

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2019 Freightliner M2 Tandem Axle 28 ft Flatbed Truck - 330HP, 6 Speed Automatic

Price Drop $38,250 USD

Used 2019 Freightliner M2 Tandem Axle 28 ft Flatbed Truck, 330HP Cummins L9 engine, 6 speed Allison automatic transmission, 215,889 miles, tandem rear axle, spring suspension, 100 gal fuel...

Condition	Used
Usage	215,889 Miles
Duty Class	Heavy Duty Flatbed Truck
Horse Power	330 HP
Engine Model	Cummins L9
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Tandem Axle
Rear End	40,000 lb 5.29 ratio
Stock Number	211832
MLS Number	13561930
Category	Flatbed Trucks
Last Updated	1/10/2026
Location	San Antonio, TX, US
Sold By	Penske Used Trucks

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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 Mixing System, Paccar PX-7 6.7L Turbo Diesel Engine, 300 HP, Exhaust Brake, Allison 3000 RDS 6 Speed Automatic Transmission, ONLY 6,958...

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	12/5/2025
Location	Denver, CO, US
Sold By	DTI Trucks

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2023 Chevrolet 4500 Flatbed Truck - 401HP, 6 Speed Automatic, Liftgate

$46,500 USD

2023 Chevrolet 4500LCF 18' Flatbed, Lift Gate Powertrain Chassis: 81,990 miles, 6.6L L8T V8 Gas Motor | 401HP/464lbs-ft, Allison 6 Speed Automatic Transmission, Hydraulic Brakes, Spring...

Condition	Used
Usage	81,990 Miles
Duty Class	Medium Duty Flatbed Truck
Horse Power	401 HP
Engine Model	L8T
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	11,020 lb
Liftgate	Yes
Stock Number	T17833M
MLS Number	14002359
Category	Flatbed Trucks
Last Updated	11/26/2025
Location	Wheat Ridge, CO, US
Sold By	DTI Trucks

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2023 Ford F-550 Flatbed Truck - 330HP, 6 Speed Automatic, Liftgate

$72,500 USD

2023 Ford F550 Stakeside Flatbed, Diesel, Liftgate Powertrain Chassis: 36,856 miles, 6.7L Powerstroke, 330HP/950 lbs-ft, 10 Speed Torqshift Transmission | 4x2, Exhaust Braking | Tow/Haul...

Condition	Used
Usage	36,856 Miles
Duty Class	Medium Duty Flatbed Truck
Horse Power	330 HP
Engine Model	Ford 6.7L POWER STROKE
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	14,706 lb
Liftgate	Yes
Stock Number	T17804M
MLS Number	14002325
Category	Flatbed Trucks
Last Updated	11/26/2025
Location	Wheat Ridge, CO, US
Sold By	DTI Trucks

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2019 Ford F-550 Flatbed Truck - 330HP, 6 Speed Automatic, Liftgate

$49,500 USD

2019 Ford F550 16' Flatbed, Diesel, Liftgate Powertrain Chassis: 76,212 miles, 6.7L Powerstroke, 330HP/950 lbs-ft, 6 Speed Torqshift Transmission | 4x4, Exhaust Braking | Tow/Haul Mode,...

Condition	Used
Usage	76,212 Miles
Duty Class	Medium Duty Flatbed Truck
Horse Power	330 HP
Engine Model	Ford 6.7L POWER STROKE
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	14,706 lb
Liftgate	Yes
Stock Number	T17808M
MLS Number	14002272
Category	Flatbed Trucks
Last Updated	11/26/2025
Location	Wheat Ridge, CO, US
Sold By	DTI Trucks

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2018 RAM 4500 Flatbed Truck - 325HP, 6 Speed Automatic

$46,500 USD

2018 Ram 4500 Flatbed, Diesel B6.7, 4x4 Powertrain Chassis: 49,462 miles, 6.7L Cummins B6.7, 325HP/750lbs-ft, 6 Speed Transmission | 4x4, Exhaust Braking | Tow/Haul Mode, Hydraulic Brakes,...

Condition	Used
Usage	49,462 Miles
Duty Class	Medium Duty Flatbed Truck
Horse Power	325 HP
Engine Model	Cummins B6.7
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Stock Number	T17828M
MLS Number	13998857
Category	Flatbed Trucks
Last Updated	11/23/2025
Location	Wheat Ridge, CO, US
Sold By	DTI Trucks

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6 Speed Flatbed Trucks with Spring Suspension For Sale

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