6 Speed Automatic Tandem Axle Dump Trucks For Sale

(855) 653-___ SHOW
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2025 Kenworth W900 Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 18' Dump

Price Drop $239,500 USD

2025 Kenworth W900 Bubble Cab Tri Axle 18’ Dump Truck, Cummins X15 Turbo Diesel Engine, 565 HP, Engine Brake, Allison 4500RDS 6 Speed Automatic Transmission, 66,937 ECM Verified Miles, 2,274...

Condition	Used
Usage	2,274 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	18 ft.
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	66,000 lb 3.91 ratio
Stock Number	T17717D
MLS Number	13850589
Category	Dump Trucks
Last Updated	1/15/2026
Location	Denver, CO, US
Sold By	DTI Trucks

2019 Western Star 4700 Dump Truck - Cummins 370HP, 6 Speed Allison Rds Automatic, 15' Dump

Newly Listed

Contact for price

Make dump boxBIBEAU, Dump box model15-0X48X60, Dump box typeCONSTRUCTION, Side wall48", Dump box serial #30057-1, Door60", Door opening2 SENS, Heated boxNON, CAB shield20", Asphalt lip4",...

Condition	Used
Usage	8,573 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Bibeau
Bed Length	15 ft.
Horse Power	370 HP
Engine Model	Cummins L9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	44,000 lb 5.29 ratio
Stock Number	C-36905
MLS Number	14086057
Category	Dump Trucks
Last Updated	1/13/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

2018 International WorkStar 7400 Dump Truck - Cummins 330HP, 6 Speed Allison Rds Automatic

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Front plow markCÔTÉ, Front plow dimension12 ', _ ", Side plow markCÔTÉ, Side plow serial #N/D, Side plow dimension16', Installed option, SPREAD ESSIEUX AVANT: 102", GYROPHARES, SpreadingÀ...

Condition	Used
Usage	258,476 Miles
Duty Class	Heavy Duty Dump Truck
Horse Power	330 HP
Engine Model	Cummins ISL
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson PRIMAAX
Rear Axle	Tandem Axle
Rear End	40,000 lb 5.86 ratio
Stock Number	C-36722
MLS Number	13809198
Category	Dump Trucks
Last Updated	1/8/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

(716) 218-___ SHOW
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2021 Peterbilt 348 Dump Truck - Paccar 350HP, 6 Speed Allison Rds Automatic

$144,900 USD

2021 PETERBILT 348 DUMP,66000 CVWR,20 FRT,46000 RR,5.38 RATIO,PX9 350 HP,ALLISON 6 SPD TRANS,17FT DUMP,49200 MILES,

Condition	Used
Usage	49,200 Miles
Duty Class	Heavy Duty Dump Truck
Horse Power	350 HP
Engine Model	Paccar PX9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	46,000 lb 5.38 ratio
Stock Number	218239
MLS Number	14069804
Category	Dump Trucks
Last Updated	1/6/2026
Location	Buffalo, NY, US
Sold By	Hunter Truck

(855) 984-___ SHOW
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2025 Kenworth T480 Dump Truck - Paccar 380HP, 6 Speed Allison Rds Automatic, 16' Dump

$171,595 USD

Transfer this unit to your nearest Maryland/Delaware location at no additional cost – Baltimore, Bel Air, Dover, Landover, Mardela Springs, Upper Marlboro, or Westminster. Contact us for...

Condition	New
Usage	1,145 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	16 ft.
Horse Power	380 HP
Engine Model	Paccar PX9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	KN134017
MLS Number	13723010
Category	Dump Trucks
Last Updated	1/8/2026
Location	Mardela Springs, MD, US
Sold By	All Roads Trucks

(772) 409-___ SHOW
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2025 Kenworth T480 Dump Truck - Paccar 370HP, 6 Speed Allison Rds Automatic, 16' Dump

$179,995 USD

Transfer this unit to your nearest South Florida location at no additional cost! Fort Lauderdale, Fort Pierce, Riviera Beach, or Naples. Contact us for details! 2025 Kenworth T480 Tandem...

Condition	New
Usage	2,182 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	KF171513
MLS Number	13166986
Category	Dump Trucks
Last Updated	1/8/2026
Location	Fort Pierce, FL, US
Sold By	All Roads Trucks

(954) 523-___ SHOW
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2025 Kenworth T480 Dump Truck - Paccar 370HP, 6 Speed Allison Rds Automatic, 16' Dump

$179,995 USD

Transfer this unit to your nearest South Florida location at no additional cost! Fort Lauderdale, Fort Pierce, Riviera Beach, or Naples. Contact us for details! 2025 Kenworth T480 Tandem...

Condition	New
Usage	878 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	KF171510
MLS Number	13166969
Category	Dump Trucks
Last Updated	1/8/2026
Location	Fort Lauderdale, FL, US
Sold By	All Roads Trucks

2022 International HV Dump Truck - A26 475HP, 6 Speed Allison Rds Automatic, 14' Dump

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Make dump boxAT, Dump box modelXL500T14.5-42-54P2, Dump box typeCONSTRUCTION, Side wall42", Dump box serial #221-5291, Manufactured date07 M - 21 Y, Door54'', Door opening2 SENS, Heated box-...

Condition	Used
Usage	4,602 Hours
Duty Class	Heavy Duty Dump Truck
Bed Length	14 ft.
Horse Power	475 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	C-37101
MLS Number	14054053
Category	Dump Trucks
Last Updated	12/30/2025
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

(855) 804-___ SHOW
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2023 Kenworth T480 Dump Truck - Paccar 360HP, 6 Speed Allison Rds Automatic

$139,500 USD

2023 Kenworth T480 --- Tandem Axle, PX9 PACCAR 360 HP, Allison Automatic 6 Speed, 5.57 Ratio, 18,000 Front Axle, 40,000 Rear Axle, 183" Wheelbase, 17' 5" Bridge, Chalmers, Double Frame, Air...

Condition	Used
Usage	108,981 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Horse Power	360 HP
Engine Model	Paccar PX9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	235273
MLS Number	14062611
Category	Dump Trucks
Last Updated	12/27/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(844) 714-___ SHOW
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2009 Peterbilt 340 Dump Truck - Paccar 330HP, 6 Speed Allison Rds Automatic, 16' Dump

$89,500 USD

16' x 96" x 47" Dump bed, Hi-lift gate, Air gate release, Electric tarp, Dual lockers, Pete Air Trac suspension, Paccar PX8 330HP, Engine brake, Allison 3000RDS transmission, 5.57 ratio, 16K...

Condition	Used
Usage	2,362 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	SE Inc
Bed Length	16 ft.
Horse Power	330 HP
Engine Model	Paccar PX8
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	40,000 lb 5.57 ratio
Stock Number	7007
MLS Number	14054049
Category	Dump Trucks
Last Updated	12/20/2025
Location	Aberdeen, ID, US
Sold By	Diesel Depot

(844) 257-___ SHOW
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2018 Freightliner Coronado 122 SD Dump Truck - Detroit 450HP, 6 Speed Allison Rds Automatic, 14' Dump

$79,000 USD

2018 FREIGHTLINER 122SD CORONADO TANDEM DUMP TRUCK, DD 15 450HP, ALLISON RDS 4500 AUTO, 544,250 MILES, AIR RIDE SUSPENSION, 12K FRONTS AND 40K REARS, AIR RIDE SUSPENSION, 210" WHEELBASE,...

Condition	Used
Usage	545,000 Miles
Duty Class	Heavy Duty Dump Truck
Bed Length	14 ft.
Horse Power	450 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.91 ratio
Stock Number	9745
MLS Number	14053754
Category	Dump Trucks
Last Updated	12/20/2025
Location	Robstown, TX, US
Sold By	J&B Pavelka, Inc.

2026 Western Star 47X Dump Truck - Cummins 455HP, Automatic

$235,995 USD

2026 Western Star Tri-Axle Dump -- Cummins X12 Diesel -- Allison 4500 RDS Automatic, * Cummins X12 Diesel -- 455 HP, * Allison 4500 RDS Automatic Transmission, * 70-Gallon Fuel Tank, *...

Condition	New
Usage	2,381 Miles
Horse Power	455 HP
Engine Model	Cummins X12
Drivetrain	8x4
Transmission	6 Speed Automatic
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	TDWG5448
MLS Number	14004448
Category	Dump Trucks
Last Updated	12/18/2025
Location	Pompano Beach, FL, US
Sold By	Go Freightliner of Broward

2026 Western Star 47X Tri Axle Dump Truck - Cumminsx12 455HP, Automatic

$235,995 USD

2026 Western Star Tri-Axle Dump -- Cummins X12 Diesel -- Allison 4500 RDS Automatic, * Cummins X12 Diesel -- 455 HP, * Allison 4500 RDS Automatic Transmission, * 70-Gallon Fuel Tank, *...

Condition	New
Usage	13 Miles
Horse Power	455 HP
Engine Model	Cummins X12
Drivetrain	8x4
Transmission	6 Speed Automatic
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	TLWG5447
MLS Number	13980427
Category	Dump Trucks
Last Updated	12/18/2025
Location	Pompano Beach, FL, US
Sold By	Go Freightliner of Broward

2026 Freightliner 114SD PLUS Dump Truck

$179,995 USD

2026 Freightliner 114SD -- Detroit DD13 505 HP -- Allison 4500 RDS -- Steel Tri-Axle Dump, Powertrain, * Detroit DD13, 12.8L -- 505 HP / 1850 lb-ft, * Allison 4500 RDS Automatic...

Condition	New
Usage	922 Miles
Bed Length	16 ft.
Horse Power	505 HP
Engine Model	Detroit DD13
Drivetrain	8x4
Transmission	6 Speed Automatic
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	THWM7296
MLS Number	13446278
Category	Dump Trucks
Last Updated	12/18/2025
Location	Pompano Beach, FL, US
Sold By	Go Freightliner of Broward

2026 Freightliner 114SD Dump Truck

$149,995 USD

2026 Freightliner 114SD Tri Axle Chassis to Fit 17' Dump -- Cummins X12 Diesel -- Allison Automatic, * Cummins X12 Diesel -- 500 HP / 660 lb-ft torque, * Allison 4500 RDS Automatic...

Condition	New
Usage	200 Miles
Duty Class	Heavy Duty Dump Truck
Horse Power	500 HP
Engine Model	Cummins X12
Drivetrain	6x4
Transmission	6 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	THWV4730
MLS Number	14024709
Category	Dump Trucks
Last Updated	12/18/2025
Location	Pompano Beach, FL, US
Sold By	Go Freightliner of Broward

2020 Freightliner M2 106 Dump Truck - Cummins 350HP, 6 Speed Allison Rds Automatic, 16' Dump

Contact for price

Make dump boxBIBEAU, Dump box model16-0X48X60, Dump box typeCONSTRUCTION, Side wall48'', Dump box serial #26587-1, Door60", Door opening1 SENS, Heated boxNON, CAB shield24", Asphalt lip4",...

Condition	Used
Usage	2,395 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Bibeau
Bed Length	16 ft.
Horse Power	350 HP
Engine Model	Cummins L9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	TufTrac
Rear Axle	Tandem Axle
Rear End	40,000 lb 5.29 ratio
Stock Number	C-37195
MLS Number	14045663
Category	Dump Trucks
Last Updated	12/17/2025
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

2026 Freightliner 114SD Dump Truck

$179,995 USD

2026 Freightliner 114SD -- Detroit DD13 -- Allison 4500 RDS -- 17' Tri-Axle Steel Dump, Powertrain, * Detroit DD13, 12.8L -- 505 HP / 1850 lb-ft, * Allison 4500 RDS Automatic Transmission...

Condition	New
Usage	255 Miles
Bed Length	16 ft.
Horse Power	505 HP
Engine Model	Detroit DD13
Drivetrain	8x4
Transmission	6 Speed Automatic
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	TDWM7298
MLS Number	13552208
Category	Dump Trucks
Last Updated	12/16/2025
Location	Pompano Beach, FL, US
Sold By	Go Freightliner of Broward

2026 Freightliner 114SD Dump Truck - Cummins, Automatic

Price Drop $139,595 USD

*2026 Freightliner 114SD Tri Axle Chassis to Fit 17' Dump -- Cummins X12 Diesel -- Allison Automatic** Cummins X12 Diesel -- 500 HP / 660 lb-ft torque* Allison 4500 RDS Automatic...

Condition	New
Usage	734 Miles
Horse Power	500 HP
Engine Model	Cummins X12
Drivetrain	8x4
Transmission	6 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	THWV4725
MLS Number	14043808
Category	Dump Trucks
Last Updated	1/16/2026
Location	Pompano Beach, FL, US
Sold By	Go Freightliner of Broward

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2026 Kenworth T480 Dump Truck - Paccar 370HP, 6 Speed Allison Rds Automatic, 16' Dump

$184,995 USD

Transfer this unit to your nearest South Florida location at no additional cost! Fort Lauderdale, Fort Pierce, Riviera Beach, or Naples. Contact us for details! Model Year: 2026, Model: T480...

Condition	New
Usage	919 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	Hendrickson HMX460
Rear Axle	Tandem Axle
Rear End	46,000 lb 5.38 ratio
Stock Number	KN194021
MLS Number	13955408
Category	Dump Trucks
Last Updated	12/12/2025
Location	Fort Lauderdale, FL, US
Sold By	All Roads Trucks

(833) 478-___ SHOW
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2023 Kenworth T880 Dump Truck - Cummins 525HP, 6 Speed Allison Rds Automatic

Contact for price

2023 Kenworth T880 Dump Truck – 31K Miles – Cummins + Allison – Like New, Stock #14919— Hard to find spec’d like this! This2023 Kenworth T880comes with all the right components — Cummins...

Warranty

Condition	Used
Usage	31,226 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	DuraClass
Bed Length	16 ft.
Horse Power	525 HP
Engine Model	Cummins X15P
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Rubber Block
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.89 ratio
Stock Number	14919
MLS Number	13809599
Category	Dump Trucks
Last Updated	1/15/2026
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

2022 Western Star 4700 Dump Truck - Detroit 505HP, 6 Speed Allison Rds Automatic, 15' Dump

Contact for price

Make dump boxA.C.N.S Dump box typeCONSTRUCTION, Side wall42", Dump box serial #2543, Door54", Door opening2 SENS, Heated boxNON, CAB shield24", Asphalt lip7", CanvasYES, Canvas type,...

Condition	Used
Usage	6,040 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	ACNS
Bed Length	15 ft.
Horse Power	505 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	TufTrac
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.89 ratio
Stock Number	C-36961
MLS Number	14017135
Category	Dump Trucks
Last Updated	12/4/2025
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

2022 Western Star 4800TS Dump Truck - Detroit 505HP, 6 Speed Allison Rds Automatic

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203001 Miles, Engine: DETROIT DD13, 505 HP, 6 Speed Allison RDS Automatic Transmission, Air Ride Suspension, Wheels: All Aluminum, Wheel Base: 232, Tandem Rear Axles, Front Axle Weight:...

Condition	Used
Usage	203,001 Miles
Duty Class	Heavy Duty Dump Truck
Horse Power	505 HP
Engine Model	Detroit DD13
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	C-37059
MLS Number	13907240
Category	Dump Trucks
Last Updated	11/22/2025
Location	Champlain, NY, US
Sold By	Gamache Truck Center