6 Speed 6x4 Trucks For Sale in United States

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18 0

2019 Freightliner M2 106 4000 Gallon Water Truck - Cummins 300HP, 6 Speed Allison Rds Automatic

Recently Updated

$129,540 USD

Cummins ISL with Allison RDS Automatic Transmission, 4000 gallon water tank with baffles top and bottom 2.5 fill pipe. 5 spray heads Spray bars front, rear, drivers side. Power windows,...

Condition	Used
Usage	32,860 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	300 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 5.86 ratio
Capacity	4000 Gallons
Stock Number	KE5848
MLS Number	13018519
Category	Water Trucks
Last Updated	10/18/2024
Location	West Valley City, UT, US
Sold By	Utah Tank & Trailer

(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

$44,977 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	10/18/2024
Location	Phoenix, AZ, US
Sold By	American Truck Sales & Salvage

8 0

2025 Peterbilt 548 Logging Truck - Paccar, 350HP

Newly Listed

$288,465 USD

NEW REFUSE/REC, 350 HP PACCAR. Automatic transmission, 14600 lb Front Axle, 40000 lb Rear Axle, 228 WB.

Condition	New
Horse Power	350 HP
Engine Model	Paccar PX9 D
Drivetrain	6x4
Transmission	6 Speed
Suspension	Chalmers
Rear End	40,000 lb
Stock Number	SM723803
MLS Number	13183754
Category	Logging Trucks
Last Updated	10/18/2024
Location	Union Grove, WI, US
Sold By	Custom Truck One Source

8 0

2025 Freightliner M2 106 Roll Off Truck - Cummins, 350HP

Newly Listed

$209,577 USD

FOR SALE! A brand new Freightliner M2106 6x4 upfitted with a Galbreath U5-OR-174 roll-off. This vehicle is powered by a 350 hp Cummins L9 diesel motor, and gears are shifted via an Allison...

Condition	New
Horse Power	350 HP
Engine Model	Cummins L9 D
Drivetrain	6x4
Transmission	6 Speed
Rear End	46,000 lb
Stock Number	SDWA1776
MLS Number	13183753
Category	Roll Off Trucks
Last Updated	10/18/2024
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

(844) 962-___ SHOW
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7 0

2018 Mack Granite GU713 Roll Off Truck - MP8, 455HP, 6 Speed Allison Rds Automatic

Recently Updated

$142,900 USD

Galbreath Hoist. U75-EX-174. 75,000#,

Condition	Used
Usage	295,324 Miles
Duty Class	Heavy Duty Roll Off Truck
Horse Power	455 HP
Engine Model	Mack MP8
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Camelback
Rear Axle	Tandem Axle
Rear End	52,000 lb
Stock Number	39371
MLS Number	12869467
Category	Roll Off Trucks
Last Updated	10/18/2024
Location	Worcester, MA, US
Sold By	Ballard Truck Center

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20 2

2020 Kenworth T440 Tandem Axle Cab & Chassis Truck - Paccar, 350HP, 6 Speed Automatic

Recently Updated

$74,790 USD

Kenworth T4 Construction is just right for your next build. Hook truck, rollback, dump, you name it Paccar PX9 Motor with Allison 3000RDS, Reyco rear spring suspension, WB 248", CT 174",...

Condition	Used
Usage	4,792 Hours
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	350 HP
Engine Model	Paccar PX9
Drivetrain	6x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Tandem Axle
Rear End	40,000 lb 4.88 ratio
Stock Number	403535
MLS Number	12695551
Category	Cab & Chassis Trucks
Last Updated	10/18/2024
Location	West Valley City, UT, US
Sold By	Utah Tank & Trailer

(833) 970-___ SHOW
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20 0

2018 Peterbilt 348 Tandem Axle Rollback Tow Truck - Paccar, 350HP, 6 Speed Allison Rds Automatic

Newly Listed

$99,900 USD

Take a look at this multiuse unit! 2017 Peterbilt 348 with a Century 20 Ton bed! Folding Dove tail !!, This unit makes it easy to haul pretty much anything, and is ideal in those tight...

Condition	Used
Usage	9,066 Hours
Duty Class	Heavy Duty Rollback Tow Truck
Horse Power	350 HP
Engine Model	Paccar PX9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Pete Low Air Leaf
Rear Axle	Tandem Axle
Rear End	40,000 lb 4.88 ratio
Stock Number	276160
MLS Number	13181721
Category	Rollback Tow Trucks
Last Updated	10/17/2024
Location	Smithfield, PA, US
Sold By	Hunter Truck

(855) 984-___ SHOW
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28 0

2025 Kenworth T480 Dump Truck - Paccar 370HP, 6 Speed Allison Rds Automatic, 16' Dump

Recently Updated

$196,995 USD

2025 Kenworth T480 Tandem Dump Truck, Exterior Color: White (L0006EY), Engine: PACCAR PX-9 370 370 HP @ 1600 RPM, 1250 lb-ft torque @ 1200 RPM, Engine brake Transmission: Allison 3000RDS...

Condition	New
Usage	2,190 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Bed Length	16 ft.
Horse Power	370 HP
Engine Model	Paccar PX9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tandem Axle
Rear End	46,000 lb 6.14 ratio
Stock Number	KF171509
MLS Number	13167167
Category	Dump Trucks
Last Updated	10/17/2024
Location	Fort Pierce, FL, US
Sold By	All Roads Trucks

8 0

2025 Peterbilt 548 Roll Off Truck - Paccar, 360HP

Recently Updated

$224,269 USD

FOR SALE! A brand new Peterbilt 548 6x4 upfitted with a Galbreath U5-OR-174 roll-off. This vehicle is powered by a 360 hp Paccar PX9 diesel motor, and gears are shifted via an Allison...

Condition	New
Horse Power	360 HP
Engine Model	Paccar PX9 D
Drivetrain	6x4
Transmission	6 Speed
Rear End	46,000 lb
Stock Number	SM713540
MLS Number	13160495
Category	Roll Off Trucks
Last Updated	10/17/2024
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

9 0

2025 Mack GR64BR Hooklift Truck - MP8 D, 425HP

Newly Listed

$282,996 USD

FOR SALE! A brand new Mack GR64BR 6x4 upfitted with a Palfinger HT 500 L TEC hook lift. This vehicle is powered by a 425 hp Mack MP8 diesel motor, and gears are shifted via an Allison...

Condition	New
Horse Power	425 HP
Engine Model	Mack MP8 D
Drivetrain	6x4
Transmission	6 Speed
Rear End	46,000 lb
Stock Number	SM046882
MLS Number	13181496
Category	Hooklift Trucks
Last Updated	10/17/2024
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

9 0

2025 Mack GR64BR Hooklift Truck - MP8 D, 425HP

Newly Listed

$282,996 USD

FOR SALE! A brand new Mack GR64BR 6x4 upfitted with a Palfinger HT 500 L TEC hook lift. This vehicle is powered by a 425 hp Mack MP8 diesel motor, and gears are shifted via an Allison...

Condition	New
Horse Power	425 HP
Engine Model	Mack MP8 D
Drivetrain	6x4
Transmission	6 Speed
Rear End	46,000 lb
Stock Number	SM046881
MLS Number	13181495
Category	Hooklift Trucks
Last Updated	10/17/2024
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

8 0

2025 Peterbilt 567 Dump Truck - Cummins 525HP

Newly Listed

$237,922 USD

FOR SALE! A brand new Peterbilt 567 6x4 upfitted with a 16' Load King dump. This vehicle is powered by a 525 hp Cummins X15 diesel motor, and gears are shifted via an Allison 4500RDS...

Condition	New
Horse Power	525 HP
Engine Model	Cummins X15 D
Drivetrain	6x4
Transmission	6 Speed
Rear End	46,000 lb
Stock Number	SD714063
MLS Number	13181455
Category	Dump Trucks
Last Updated	10/17/2024
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

(866) 695-___ SHOW
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13 0

2014 Peterbilt 388 Day Cab Truck - Cummins, 6 Speed Automatic

Recently Updated

$92,500 USD

752817 Miles, 29007 Hours, Engine: CUMMINS ISX, 450 HP, Fuel Type: Diesel, 6 Speed Automatic Transmission, Drive: 6x4, Air Trac Suspension, Tires: 11R24.5, Wheels: All Aluminum, Wheel Base:...

Condition	Used
Usage	29,007 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins ISX
Drivetrain	6x4
Transmission	6 Speed Automatic
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.90 ratio
Stock Number	MCO231758
MLS Number	12383397
Category	Day Cab Semi Trucks
Last Updated	10/18/2024
Location	Dallas, TX, US
Sold By	MCO Truck and Equipment

(855) 653-___ SHOW
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43 0

2025 Freightliner M2 106 Tandem Axle Flatbed Truck - 360HP, 6 Speed Allison Rds Automatic

Newly Listed

$167,500 USD

2025 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
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	40,000 lb 5.29 ratio
Stock Number	T16648D
MLS Number	13178957
Category	Flatbed Trucks
Last Updated	10/18/2024
Location	Denver, CO, US
Sold By	DTI Trucks

(844) 714-___ SHOW
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7 0

2007 Peterbilt 357 Tandem Axle Cab & Chassis Truck - Cummins, 450HP, 6 Speed Allison Rds Automatic

Price Drop

$79,500 USD

Allison 4500RDS transmission, Dual lockers, Double frame, 217" Cab/trunnion, 20K FA- 40K RA, Chalmers suspension, Cummins ISX15 450HP, Jake brake, 4.88 ratio, PTO, Air ride cab, CD player, A...

Condition	Used
Usage	277,559 Miles
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	450 HP
Engine Model	Cummins ISX
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tandem Axle
Rear End	40,000 lb 4.88 ratio
Stock Number	6635
MLS Number	13149481
Category	Cab & Chassis Trucks
Last Updated	10/16/2024
Location	Aberdeen, ID, US
Sold By	Diesel Depot

(844) 988-___ SHOW
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4 0

2023 Autocar DC64 Tandem Axle Cab & Chassis Truck - Cummins, 500HP, 6 Speed Allison Rds Automatic

Recently Updated

$165,000 USD

BIG Cummins Motor - 500 HP, 1700# Torque, Allison Transmission, Autocar Rough Service Cab and Chassis, Chassis Length is Perfect length for 26': Flatbeds, Hooks, Rolloff, Reefer,

Condition	New
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	500 HP
Engine Model	Cummins X12
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Rear Axle	Tandem Axle
Rear End	40,000 lb 4.11 ratio
Stock Number	245664
MLS Number	13106967
Category	Cab & Chassis Trucks
Last Updated	10/16/2024
Location	Roseville, MN, US
Sold By	Universal Truck Sales

(844) 435-___ SHOW
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8 0

2022 Peterbilt 348 Tandem Axle Truck - Cummins, 350HP

Recently Updated

$189,900 USD

2022 Peterbilt Model 348 24' Aluminum Platform Body With Full Headboard,Ten, Rachet Binders And Boom Craddle. Fassi Model F200BS Knuckle Boom Crane Mounted BOC, With Wireless Remote Control...

Condition	Used
Usage	57,752 Miles
Duty Class	Heavy Duty Truck
Horse Power	350 HP
Engine Model	Cummins PX9
Drivetrain	6x4
Transmission	6 Speed
Suspension	Walking Beam
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.88 ratio
Stock Number	340203
MLS Number	12962790
Category	Other Trucks
Last Updated	10/16/2024
Location	Manchester, NH, US
Sold By	Allegiance Trucks

10 0

2025 Volvo VHD64 Roll Off Truck - DD13 D, 455HP

Newly Listed

$242,420 USD

FOR SALE! A brand new Volvo VHD64 6x4 upfitted with a Galbreath U5-OR-174 roll-off. This vehicle is powered by a 455 hp Volvo DD13 diesel motor, and gears are shifted via an Allison 4500RDS...

Condition	New
Horse Power	455 HP
Engine Model	Volvo DD13 D
Drivetrain	6x4
Transmission	6 Speed
Suspension	HaulMaax
Rear End	46,000 lb
Stock Number	SN665092
MLS Number	13178619
Category	Roll Off Trucks
Last Updated	10/17/2024
Location	Lynchburg, VA, US
Sold By	Custom Truck One Source

8 0

2025 Peterbilt 548 Roll Off Truck - Paccar, 360HP

Newly Listed

$224,269 USD

FOR SALE! A brand new Peterbilt 548 6x4 upfitted with a Galbreath U5-OR-174 roll-off. This vehicle is powered by a 360 hp Paccar PX9 diesel motor, and gears are shifted via an Allison...

Condition	New
Horse Power	360 HP
Engine Model	Paccar PX9 D
Drivetrain	6x4
Transmission	6 Speed
Rear End	46,000 lb
Stock Number	SM714599
MLS Number	13178617
Category	Roll Off Trucks
Last Updated	10/17/2024
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

8 0

2025 Peterbilt 567 Dump Truck - Cummins 525HP

Newly Listed

$237,922 USD

FOR SALE! A brand new Peterbilt 567 6x4 upfitted with a 16' Load King dump. This vehicle is powered by a 525 hp Cummins X15 diesel motor, and gears are shifted via an Allison 4500RDS...

Condition	New
Horse Power	525 HP
Engine Model	Cummins X15 D
Drivetrain	6x4
Transmission	6 Speed
Rear End	46,000 lb
Stock Number	SD714067
MLS Number	13178608
Category	Dump Trucks
Last Updated	10/16/2024
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

(844) 435-___ SHOW
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19 0

2009 Freightliner M2 106 Tandem Axle Mechanic / Service Truck - Cummins, 300HP, 6 Speed Automatic

Recently Updated

$59,900 USD

44950 Miles, Engine: CUMMINS ISC, 300 HP, Fuel Type: Diesel, 6 Speed Automatic Transmission, Drive: 6x4, Air Ride Suspension, Wheel Base: 274, Tandem Rear Axles, Front Axle Weight: 18000 lb,...

Condition	Used
Usage	44,950 Miles
Duty Class	Heavy Duty Service Truck
Horse Power	300 HP
Engine Model	Cummins ISC
Drivetrain	6x4
Transmission	6 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 6.43 ratio
Stock Number	323956
MLS Number	12188050
Category	Mechanic / Utility / Service Trucks
Last Updated	10/16/2024
Location	Manchester, NH, US
Sold By	Allegiance Trucks

8 0

2025 Peterbilt 548 Roll Off Truck - Paccar, 360HP

Newly Listed

$224,269 USD

FOR SALE! A brand new Peterbilt 548 6x4 upfitted with a Galbreath U5-OR-174 roll-off. This vehicle is powered by a 360 hp Paccar PX9 diesel motor, and gears are shifted via an Allison...

Condition	New
Horse Power	360 HP
Engine Model	Paccar PX9 D
Drivetrain	6x4
Transmission	6 Speed
Rear End	46,000 lb
Stock Number	SM742087
MLS Number	13175941
Category	Roll Off Trucks
Last Updated	10/16/2024
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

8 0

2025 Peterbilt 548 Dump Truck - Paccar 360HP

Newly Listed

$197,925 USD

FOR SALE! A brand new Peterbilt 548 6x4 upfitted with a 16' Load King dump body. This vehicle is powered by a 360 hp Paccar PX9 diesel motor, and gears are shifted via an Allison 3000RDS...

Condition	New
Horse Power	360 HP
Engine Model	Paccar PX9 D
Drivetrain	6x4
Transmission	6 Speed
Rear End	40,000 lb
Stock Number	SM713657
MLS Number	13175940
Category	Dump Trucks
Last Updated	10/16/2024
Location	Kansas City, MO, US
Sold By	Custom Truck One Source