Used 6 Speed 6x4 Trucks For Sale in United States

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22 1

2012 Freightliner M2 106 Dump Truck - Cummins 260HP, 6 Speed Allison Rds Automatic, 14' Dump

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$79,900 USD

BUILT TOUGH TO HANDLE YOUR HARSHEST JOB, THIS 2012 FREIGHTLINER M2 106 TANDEM AXLE DUMP IS FOR YOU! CUMMINS ISB 260HP, ALLISON 3500RDS-P AUTOMATIC 6-SPEED TRANSMISSION, ATC, DIFF LOCK,...

Condition	Used
Usage	103,842 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Godwin
Bed Length	14 ft.
Horse Power	260 HP
Engine Model	Cummins ISB
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Tandem Axle
Rear End	40,000 lb 6.49 ratio
Stock Number	CHBR3049U
MLS Number	13048378
Category	Dump Trucks
Last Updated	3/28/2025
Location	Roanoke, VA, US
Sold By	Truck Enterprises Inc.

(855) 506-___ SHOW
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3 0

2019 Freightliner M2 112 24 ft Box Truck - 6 Speed Automatic, Liftgate

Newly Listed

$49,900 USD

STOCK # 2659, 24FT TANDEM BOX TRUCK 24X96X85 * 2019 FREIGHTLINER M2 112 * ENGINE DETROIT DD13 12.9L * AUTOMATIC TRANSMISSION * AIR RIDE SUSPENSION * WHITE * GVW 52,000 * LIFTGATE * WHEELBASE...

Condition	Used
Usage	226,922 Miles
Duty Class	Heavy Duty Box Truck
Box Length	24 ft.
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	6 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Liftgate	Yes
Stock Number	2659
MLS Number	13481613
Category	Delivery / Moving / Straight / Box Trucks
Last Updated	3/27/2025
Location	Orlando, FL, US
Sold By	Orange Truck Sales, LLC

(888) 680-___ SHOW
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22 1

2012 Freightliner M2 106 Dump Truck - Cummins 260HP, 6 Speed Allison Rds Automatic, 14' Dump

Price Drop

$89,900 USD

THIS 2012 FREIGHTLINER M2 106 TANDEM AXLE DUMP IS FOR YOU! CUMMINS ISB 260HP, ALLISON 3500RDS-P AUTOMATIC 6-SPEED TRANSMISSION, ATC, DIFF LOCK, DRIVER'S SEAT W/ AIR PEDESTAL, 2-MAN BENCH...

Condition	Used
Usage	103,842 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Godwin
Bed Length	14 ft.
Horse Power	260 HP
Engine Model	Cummins ISB
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Tandem Axle
Rear End	40,000 lb 6.49 ratio
Stock Number	CHBR3049U/MANA
MLS Number	13056891
Category	Dump Trucks
Last Updated	3/27/2025
Location	Manassas, VA, US
Sold By	Truck Enterprises Inc.

21 0

2019 Kenworth T440 Day Cab Truck - Paccar 380HP, 6 Speed Allison Rds Automatic

Recently Updated

$56,900 USD

Tandem axle tractor Air suspension, 204" WB 132" CT. Allison Automatic Transmission,

Condition	Used
Usage	284,390 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	380 HP
Engine Model	Paccar PX9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	301713
MLS Number	12695522
Category	Day Cab Semi Trucks
Last Updated	3/27/2025
Location	West Valley City, UT, US
Sold By	Utah Tank & Trailer

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41 0

2026 Freightliner M2 106 Tandem Axle 24 ft Flatbed Truck - 360HP, 6 Speed Automatic

Newly Listed

$167,500 USD

2026 Freightliner M2-106 Plus Tandem Axle 24’ Flatbed, Cummins L9 Turbo Diesel Engine, 360 HP, Engine Brake, Allison 6 Speed 3000 RDS Automatic Transmission, ONLY 73 Miles 8 Engine Hours,...

Condition	Used
Usage	8 Hours
Duty Class	Heavy Duty Flatbed Truck
Bed Length	24 ft.
Horse Power	360 HP
Engine Model	Cummins L9
Drivetrain	6x4
Transmission	6 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 5.29 ratio
Stock Number	T16990D
MLS Number	13478269
Category	Flatbed Trucks
Last Updated	3/26/2025
Location	Denver, CO, US
Sold By	DTI Trucks

(844) 882-___ SHOW
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33 0

2008 Sterling L8500 22 ft Box Truck - 300HP, 6 Speed Allison Hs Automatic, Roll up Door, Liftgate

Recently Updated

$29,977 USD

2008 Sterling L8500 22' x 102" x 84" Tandem-Axle Van Delivery Truck, Cummins ISC 8.3L @ 300 H.P., Allison 6-Speed Automatic O/D Transmission, 260" W.B., Tuf-Trac Suspension, 52K G.V.W.R.,...

Condition	Used
Usage	10,786 Hours
Duty Class	Heavy Duty Box Truck
Box Length	22 ft.
Horse Power	300 HP
Engine Model	Cummins ISC300
Drivetrain	6x4
Transmission	6 Speed Allison HS Automatic
Rear End	40,000 lb
Door Type	Roll up
Lining Type	Aluminum
Liftgate	Yes
Stock Number	3646
MLS Number	13005084
Category	Delivery / Moving / Straight / Box Trucks
Last Updated	3/26/2025
Location	Phoenix, AZ, US
Sold By	American Truck Sales & Salvage

(844) 882-___ SHOW
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28 0

2012 Freightliner M2 106 Tandem Axle 24 ft Flatbed Truck - 350HP, 6 Speed Allison Rds Automatic

Recently Updated

$45,977 USD

2012 Freightliner M2106 24' x 102" Tandem-Axle Flat-Bed Truck W/ Fork-Lift Package, Cummins ISC 8.3L @ 350 H.P., Exhaust Brake, Allison 3000-RDS 6-Speed Automatic O/D Transmission, 5.29...

Condition	Used
Usage	2,335 Hours
Duty Class	Heavy Duty Flatbed Truck
Bed Length	24 ft.
Horse Power	350 HP
Engine Model	Cummins ISC350
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 5.29 ratio
Winch	Yes
Stock Number	3906
MLS Number	12971207
Category	Flatbed Trucks
Last Updated	3/26/2025
Location	Phoenix, AZ, US
Sold By	American Truck Sales & Salvage

25 0

2021 Kenworth T440 Tandem Axle Cab & Chassis Truck - Paccar, 350HP, 6 Speed Allison Rds Automatic

Newly Listed

$101,900 USD

Immaculate low miles, 72,621 miles 2553 hours Cab to Trunnion 200", Kenworth Airglide 4 bag suspension. 46,000 rears. 13,200 lb drop axle This truck is just like new. Amazing

Condition	Used
Usage	2,553 Hours
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	350 HP
Engine Model	Paccar PX9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 5.38 ratio
Stock Number	455007
MLS Number	13470055
Category	Cab & Chassis Trucks
Last Updated	3/25/2025
Location	West Valley City, UT, US
Sold By	Utah Tank & Trailer

(844) 611-___ SHOW
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12 0

2008 Peterbilt 340 Tandem Axle Cab & Chassis Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

Recently Updated

$69,900 USD

long frame chassis ready for 20' body, 3500RDS Allison auto w/ hot shift pto, like new rear traction tires,

Condition	Used
Usage	11,208 Hours
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	300 HP
Engine Model	Paccar PX8
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Tandem Axle
Rear End	40,000 lb 6.17 ratio
MLS Number	13247487
Category	Cab & Chassis Trucks
Last Updated	3/29/2025
Location	Rigby, ID, US
Sold By	Grover's All-Wheels, LLC

(844) 714-___ SHOW
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12 0

2016 Kenworth T370 Tandem Axle Cab & Chassis Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

$59,500 USD

Allison 3500RDS transmission with PTO provision, Walking beam suspension, Dual lockers, 14,600 FA- 40,000 RA, Paccar PX9 300 HP, Engine brake, 125" Cab/trunnion, 4.88 ratio, A/C, Cruise,...

Condition	Used
Usage	124,158 Miles
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	300 HP
Engine Model	Paccar PX9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Walking Beam
Rear Axle	Tandem Axle
Rear End	40,000 lb 4.88 ratio
Stock Number	6722
MLS Number	13464147
Category	Cab & Chassis Trucks
Last Updated	3/25/2025
Location	Aberdeen, ID, US
Sold By	Diesel Depot

(855) 804-___ SHOW
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17 0

2024 Kenworth T880 Roll Off Truck - Cummins, 500HP, 6 Speed Allison Rds Automatic

$249,900 USD

2024 Kenworth T880 --- Tandem Axle, X15 Cummins 500 HP, Allison Automatic 6 Speed, 4.56 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 262" Wheelbase, 24' Bridge, Chalmers, Double Frame, 3...

Quantity	2
Condition	Used
Usage	2,250 Hours
Duty Class	Heavy Duty Roll Off Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	368838
MLS Number	13464031
Category	Roll Off Trucks
Last Updated	3/22/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(855) 506-___ SHOW
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17 0

2024 Kenworth T480 Dump Truck - Paccar 450HP, 6 Speed Allison Rds Automatic

$184,900 USD

STOCK #2683, TANDEM AXLE DUMP TRUCK * 2024 KENWORTH T480 * ENGINE PACCAR PX9 8.9L * DIESEL *HORSE POWER 450 * ALLISON 3000RDS AUTOMATIC * GVWR 64,740 * MILEAGE 46,010 * WHITE * DOUBLE FRAME...

Condition	Used
Usage	46,010 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	GAR-P
Horse Power	450 HP
Engine Model	Paccar PX9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Rear Axle	Tandem Axle
Stock Number	2683
MLS Number	13463926
Category	Dump Trucks
Last Updated	3/22/2025
Location	Orlando, FL, US
Sold By	Orange Truck Sales, LLC

(855) 653-___ SHOW
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51 0

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

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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	3/22/2025
Location	Denver, CO, US
Sold By	DTI Trucks

(844) 216-___ SHOW
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15 0

2018 Freightliner Cascadia 113 Evolution Sleeper Semi Truck - Detroit, Automatic

$52,900 USD

FRESH REBUILT TRANSMISSION 3 YEAR UNLIMITED MILE WARRANTY!!!, 2018 FREIGHTLINER Cascadia113 Conventional, 48 Inch Mid-Roof XT Sleeper, Detroit DD13 Engine, 450 H.P., Engine Brake,6 speed...

Condition	Used
Usage	4,895 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	JR6339
MLS Number	13360431
Category	Sleeper Semi Trucks
Last Updated	3/29/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(855) 370-___ SHOW
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19 1

2016 Freightliner M2 112 Tandem Axle Cab & Chassis Truck - Detroit, 370HP, 6 Speed Allison Rds Automatic

$54,900 USD

2016 Freightliner MS-112, Detroit DD13 370HP Engine, Automatic 6 Spd Allison 3000 RDS Transmission, Air Ride Suspension, Tandem Axle, 58,000 GVW, 18,000# D739914 Front Axle, 40,000# Alliance...

Condition	Used
Usage	12,544 Hours
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	370 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 4.30 ratio
Stock Number	16WH232
MLS Number	12935282
Category	Cab & Chassis Trucks
Last Updated	3/22/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

9 0

2020 Freightliner M2 106 Dump Truck - Cummins 300HP, 6 Speed Allison Rds Automatic

$134,900 USD

NAP - JUST ACQUIRED, COMING APRIL 1, 2020 FL M2 10 Yd dump, Cummins L9, Allison Automatic RDS transmission Very nice truck. manual tarper, rear swing gate with locks

Condition	Used
Usage	40,000 Miles
Duty Class	Heavy Duty Dump Truck
Horse Power	300 HP
Engine Model	Cummins L9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Rear Axle	Tandem Axle
Rear End	40,000 lb 5.29 ratio
Stock Number	LJ1303
MLS Number	13461748
Category	Dump Trucks
Last Updated	3/21/2025
Location	West Valley City, UT, US
Sold By	Utah Tank & Trailer

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10 0

2023 Peterbilt 567 Day Cab Truck - Cummins 565HP, 6 Speed Allison Rds Automatic

$162,900 USD

2023 Peterbilt 567 --- Tandem Axle, X15 Cummins 565 HP, Allison Automatic 6 Speed, 4.10 Ratio, 14,320 Front Axle, 46,000 Rear Axle, 207" Wheelbase, 19' 7" Bridge, Air Ride Air Trac, 3 Stage...

Condition	Used
Usage	6,885 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	873060
MLS Number	13446992
Category	Day Cab Semi Trucks
Last Updated	3/21/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

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30 1

2015 Freightliner 114SD Dump Truck - Detroit 435HP, 6 Speed Allison Rds Automatic, 15' Dump

$104,500 USD

2015 Freightliner 114SD Tandem Axle Dump Truck, Detroit DD13 Turbo Diesel Engine, 435 HP, Allison 4500 RDS 6 Speed Automatic Transmission, 135,313 ECM VERIFIED Miles 8,556 ECM VERIFIED...

Condition	Used
Usage	8,556 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Valew
Bed Length	15 ft.
Horse Power	435 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Walking Beam
Rear Axle	Tandem Axle
Rear End	40,000 lb 5.29 ratio
Stock Number	T16864D
MLS Number	13459062
Category	Dump Trucks
Last Updated	3/20/2025
Location	Denver, CO, US
Sold By	DTI Trucks

(855) 370-___ SHOW
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13 1

2019 Freightliner Cascadia 125 Day Cab Truck - Detroit 450HP, 6 Speed Allison Hs Automatic

$42,900 USD

2019 Freightliner Cascadia 125 Day Cab, Detroit DD13 450HP Engine, Automatic 6 Spd Allison 4000 HS Transmission, Tandem Axle, Air Ride Suspension, 52,500 GVW, 12,500# Front Axle, 40,000#...

Condition	Used
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	6 Speed Allison HS Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.90 ratio
Stock Number	19WH080
MLS Number	13442806
Category	Day Cab Semi Trucks
Last Updated	3/25/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

34 4

2010 Mack MRU613 Tandem Axle Garbage Truck - MP7, 365HP, 6 Speed Allison Rds Automatic

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Heil 25 yard Rear Load packer 612-3201, serial number FP5019986, Container lift/kick bar. Fully serviced Pre-Owned by a municipality. Fleet vehicle, well maintained. packer was used on a...

Condition	Used
Usage	16,895 Hours
Duty Class	Heavy Duty Garbage Truck
Horse Power	365 HP
Engine Model	Mack MP7
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	006395
MLS Number	13440785
Category	Garbage Trucks
Last Updated	3/20/2025
Location	West Valley City, UT, US
Sold By	Utah Tank & Trailer

26 0

2020 Freightliner M2 106 Dump Truck - Cummins 300HP, 6 Speed Allison Rds Automatic

$134,900 USD

2020 FL M2 10 Yd dump, Cummins L9, Allison Automatic RDS transmission Very nice truck. manual tarper, rear swing gate with locks

Condition	Used
Usage	2,683 Hours
Duty Class	Heavy Duty Dump Truck
Horse Power	300 HP
Engine Model	Cummins L9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Rear Axle	Tandem Axle
Rear End	40,000 lb 5.29 ratio
Stock Number	LJ1236
MLS Number	13429301
Category	Dump Trucks
Last Updated	3/26/2025
Location	West Valley City, UT, US
Sold By	Utah Tank & Trailer

(844) 611-___ SHOW
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20 0

2012 Freightliner Cascadia 113 Single Axle Day Cab Truck - Detroit, Automatic

$92,900 USD

power window mirrors, cruise control, NEW PPG white paint on cab chassis, NEW 22' AULICK Grain box w/ hi-lift tailgate, dual cylinder scissor hoist, steerable lift axle, new rear drive...

Condition	Used
Usage	13,313 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	370 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	4 Spring
Rear Axle	Tri Axle
Rear End	53,000 lb 4.78 ratio
Stock Number	GW22036
MLS Number	11291774
Category	Day Cab Semi Trucks
Last Updated	3/20/2025
Location	Rigby, ID, US
Sold By	Grover's All-Wheels, LLC

(866) 714-___ SHOW
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23 0

2017 Freightliner M2 Rollback Tow Truck - Ledwell

$84,500 USD

2017 Freightliner Business Class M2 106 Rollback, Cummins ISL 300 HP Engine, Allison RDS 3000 6 Speed Transmission, Ledwell 28ft x 102", 30,000lb Bed Rating, P/S, A/C, Power Windows and...

Quantity	2
Condition	Used
Usage	14,525 Hours
Duty Class	Heavy Duty Rollback Tow Truck
Upfit Make	Ledwell
Bed Length	28 ft.
Horse Power	300 HP
Engine Model	Cummins Cummins ISL
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 5.29 ratio
Winch	Yes
Stock Number	260058
MLS Number	13456042
Category	Rollback Tow Trucks
Last Updated	3/19/2025
Location	Mcdonough, GA, US
Sold By	The Truck and Trailer Connection INC