6 Speed Automatic Dump Trucks For Sale

2026 Kenworth W900 Tri Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 17' Dump

Newly Listed

$265,795 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	2,842 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	17 ft.
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson PRIMAAX
Rear Axle	Tri Axle
Rear End	59,500 lb 4.30 ratio
Stock Number	KN223126
MLS Number	14092493
Category	Dump Trucks
Last Updated	1/15/2026
Location	Rosedale, MD, US
Sold By	All Roads Trucks

(561) 882-___ SHOW
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2026 Kenworth T280 Single Axle Dump Truck - Paccar 300HP, 6 Speed Allison Rds Automatic, 10' Dump

Newly Listed

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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: T280...

Condition	New
Usage	1,816 Miles
Duty Class	Medium Duty Dump Truck
Upfit Make	BRANDON
Bed Length	10 ft.
Horse Power	300 HP
Engine Model	Paccar PX7
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	16,000 lb 5.57 ratio
Stock Number	KN192108
MLS Number	14092364
Category	Dump Trucks
Last Updated	1/16/2026
Location	Riviera Beach, FL, US
Sold By	All Roads Trucks

(866) 751-___ SHOW
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2026 Western Star 47X Quad Axle Dump Truck - Detroit 525HP, 6 Speed Allison Rds Automatic

Newly Listed

$284,721 USD

ABSOLUTLY BEAYTIFUL!!! ALUMINUM EAST BODY!!!! 2 UNITS AVAILABLE!!!, Call for more information

Condition	New
Usage	1,232 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	East
Horse Power	525 HP
Engine Model	Detroit DD13
Drivetrain	10x4
Transmission	6 Speed Allison RDS Automatic
Suspension	TufTrac
Rear Axle	Quad Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	110567
MLS Number	14092341
Category	Dump Trucks
Last Updated	1/15/2026
Location	Louisville, KY, US
Sold By	Boyd Truck Centers

(844) 305-___ SHOW
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2007 Sterling 9511 Quad Axle Dump Truck - Mercedes-Benz 370HP, 6 Speed Allison Rds Automatic, 18.5' Dump

Recently Updated

$75,900 USD

Quad Axle, 18.5' Bibeau "Heated" Steel Dump w/48" Sides, MBE4000 Mercedes 370 HP, Allison Automatic 6 Speed, 2 Stage Engine Brake, 5.38 Ratio, Chalmers, Single Frame, 20K FA, 46K RA, (2)...

Condition	Used
Usage	16,909 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Bibeau
Bed Length	18.5
Horse Power	370 HP
Engine Model	MBE4000
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Quad Axle
Rear End	5.38 ratio
Stock Number	7AY06828
MLS Number	14069773
Category	Dump Trucks
Last Updated	1/15/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(833) 478-___ SHOW
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2018 Kenworth T880 Tri Axle Dump Truck - Cummins 425HP, 6 Speed Allison Rds Automatic

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Stock 7124C — 2018 Kenworth T880 Tri-axle Dump, Ox Body , Cummins 425hp , Allison Automatic, -16ft steel body with air gate, -210" wheelbase, -4.10 RAR, -Double frame, -11r24.5 tires with...

Condition	Used
Usage	335,055 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Bed Length	16 ft.
Horse Power	425 HP
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Tri Axle
Rear End	46,000 lb
Stock Number	7124C
MLS Number	14065817
Category	Dump Trucks
Last Updated	1/15/2026
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

2026 Kenworth W900 Tri Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 17' Dump

Recently Updated

$263,095 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	3,243 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	17 ft.
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson PRIMAAX
Rear Axle	Tri Axle
Rear End	59,200 lb 4.30 ratio
Stock Number	KN223130
MLS Number	14049398
Category	Dump Trucks
Last Updated	1/15/2026
Location	Mardela Springs, MD, US
Sold By	All Roads Trucks

2026 Kenworth T880S Tri Axle Dump Truck - Paccar 510HP, 6 Speed Allison Rds Automatic, 17' Dump

Recently Updated

$237,095 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	632 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	17 ft.
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson HMX460
Rear Axle	Tri Axle
Rear End	60,320 lb 4.30 ratio
Stock Number	KN223148
MLS Number	14023735
Category	Dump Trucks
Last Updated	1/15/2026
Location	Mardela Springs, MD, US
Sold By	All Roads Trucks

2026 Kenworth W900 Tri Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 17' Dump

Recently Updated

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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	3,081 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	17 ft.
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson PRIMAAX
Rear Axle	Tri Axle
Rear End	59,200 lb 4.30 ratio
Stock Number	KN223125
MLS Number	14021754
Category	Dump Trucks
Last Updated	1/15/2026
Location	Upper Marlboro, MD, US
Sold By	All Roads Trucks

2026 Kenworth W990 Tri Axle Dump Truck - Cummins 525HP, 6 Speed Allison Rds Automatic, 17' Dump

Recently Updated

$244,295 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	615 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	17 ft.
Horse Power	525 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson PRIMAAX
Rear Axle	Tri Axle
Rear End	59,500 lb 4.30 ratio
Stock Number	KN223164
MLS Number	13999089
Category	Dump Trucks
Last Updated	1/15/2026
Location	Upper Marlboro, MD, US
Sold By	All Roads Trucks

(833) 637-___ SHOW
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2008 Kenworth T800 Five Axle Dump Truck - Caterpillar 335HP, 6 Speed Allison Rds Automatic

Recently Updated

$120,900 USD

2008 Kenworth quint axle with brand new Neustar high lift gate, 245,000 miles, Allison 6 speed, C13 Acert, 20K front, 44K rears, 12 K steerable pushers x 3, 4.63 ratio, jakes, cruise, 288 wb...

Condition	Used
Usage	245,000 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	NEUSTAR
Bed Length	22 ft.
Horse Power	335 HP
Engine Model	Caterpillar C13 ACERT
Transmission	6 Speed Allison RDS Automatic
Suspension	Neway
Rear Axle	Five Axle
Rear End	44,000 lb 4.63 ratio
MLS Number	13982193
Category	Dump Trucks
Last Updated	1/16/2026
Location	WINGER, MN, US
Sold By	Lucken Trucks and Parts

(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

2026 Kenworth W990 Tri Axle Dump Truck - Cummins 525HP, 6 Speed Allison Rds Automatic, 17' Dump

Recently Updated

$244,295 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	623 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	17 ft.
Horse Power	525 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson PRIMAAX
Rear Axle	Tri Axle
Rear End	59,500 lb 4.30 ratio
Stock Number	KN192759
MLS Number	13796997
Category	Dump Trucks
Last Updated	1/15/2026
Location	Upper Marlboro, MD, US
Sold By	All Roads Trucks

2025 Kenworth T880 Tri Axle Dump Truck - Paccar 510HP, 6 Speed Allison Rds Automatic, 17' Dump

Recently Updated

$220,995 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	1,103 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Air-Flo
Bed Length	17 ft.
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	AG 460
Rear Axle	Tri Axle
Rear End	59,500 lb
Stock Number	KN165268
MLS Number	13360333
Category	Dump Trucks
Last Updated	1/15/2026
Location	Upper Marlboro, MD, US
Sold By	All Roads Trucks

2025 Kenworth T880 Tri Axle Dump Truck - Paccar 510HP, 6 Speed Allison Rds Automatic, 17' Dump

Recently Updated

$220,995 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	945 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Air-Flo
Bed Length	17 ft.
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	AG 460
Rear Axle	Tri Axle
Rear End	66,000 lb 4.10 ratio
Stock Number	KN133614
MLS Number	13158425
Category	Dump Trucks
Last Updated	1/15/2026
Location	Upper Marlboro, MD, US
Sold By	All Roads Trucks

(833) 660-___ SHOW
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2015 RAM 3500 Single Axle Dump Truck - Cummins 325HP, 6 Speed Automatic

Newly Listed

$42,500 USD

2015 Ram 3500 Dump Truck, Diesel, 4x4 Powertrain Chassis: 89,890 miles | 3,223 hours, Cummins B6.7, 325HP/850lbs-ft, 6-Speed AISIN AS69RC HD Transmission | 4x4, Exhaust Brake | Tow/Haul...

Condition	Used
Usage	89,890 Miles
Duty Class	Light Duty Dump Truck
Horse Power	325 HP
Engine Model	Cummins B6.7
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	9,850 lb
Stock Number	T17935M
MLS Number	14088035
Category	Dump Trucks
Last Updated	1/14/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Trucks

2026 Kenworth T880S Tri Axle Dump Truck - Paccar 510HP, 6 Speed Allison Rds Automatic, 17' Dump

Newly Listed

$237,095 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	595 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	17 ft.
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson HMX460
Rear Axle	Tri Axle
Rear End	60,320 lb 4.30 ratio
Stock Number	KN223145
MLS Number	14088000
Category	Dump Trucks
Last Updated	1/15/2026
Location	Upper Marlboro, MD, US
Sold By	All Roads Trucks

(484) 544-___ SHOW
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2026 Peterbilt 567 Tri Axle Dump Truck - Paccar 510HP, 6 Speed Allison Rds Automatic, 17.5' Dump

Newly Listed

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2026 LEFTOVER. MX-13 CONNECTED TO AN ALLISON 6 SPEED RDS TRANSMISSION. READY TO WORK FOR SPRING!,

Condition	New
Usage	1,715 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	PIK RITE
Bed Length	17.5
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	277680
MLS Number	14087904
Category	Dump Trucks
Last Updated	1/14/2026
Location	Allentown, PA, US
Sold By	Hunter Truck

2026 Kenworth W990 Tri Axle Dump Truck - Cummins 525HP, 6 Speed Allison Rds Automatic, 17' Dump

Price Drop $244,295 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	673 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	17 ft.
Horse Power	525 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson PRIMAAX
Rear Axle	Tri Axle
Rear End	59,500 lb 4.30 ratio
Stock Number	KN230313
MLS Number	14072188
Category	Dump Trucks
Last Updated	1/14/2026
Location	Mardela Springs, MD, US
Sold By	All Roads Trucks

(609) 318-___ SHOW
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2023 Kenworth T880 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Rds Automatic

Recently Updated

$189,900 USD

277751 Miles, Engine: CUMMINS X15, 500 HP, 6 Speed Allison RDS Automatic Transmission, Drive: 8x4, Hendrickson HMX460 Suspension, Wheels: All Aluminum, Wheel Base: 249, Tri Rear Axles, Front...

Condition	Used
Usage	277,751 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson HMX460
Rear Axle	Tri Axle
Rear End	46,000 lb
Stock Number	285492
MLS Number	14072161
Category	Dump Trucks
Last Updated	1/14/2026
Location	Millstone Township, NJ, US
Sold By	Hunter Truck

(855) 804-___ SHOW
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2026 Kenworth T880 Tri Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 17.5' Dump

Recently Updated

$259,900 USD

2026 Kenworth T880 --- Tri Axle, X15 Cummins 565 HP, Allison Automatic 6 Speed, 4.30 Ratio, 18,740 Front Axle, 46,000 Rear Axle, 228" Wheelbase, 21' 1" Bridge, Chalmers, Double Frame, 3...

Quantity	4
Condition	New
Usage	16 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	17.5
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	216084
MLS Number	14068006
Category	Dump Trucks
Last Updated	1/14/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(954) 523-___ SHOW
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2026 Kenworth T880 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Rds Automatic, 16' Dump

Recently Updated

$239,995 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: 2025, Model: T880...

Condition	New
Usage	2,529 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Bed Length	16 ft.
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson HMX460
Rear Axle	Tri Axle
Rear End	59,200 lb 4.56 ratio
Stock Number	KF205909
MLS Number	14064706
Category	Dump Trucks
Last Updated	1/16/2026
Location	Fort Lauderdale, FL, US
Sold By	All Roads Trucks

(954) 523-___ SHOW
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2026 Kenworth T880 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Rds Automatic, 16' Dump

Recently Updated

$239,995 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: 2025, Model: T880...

Condition	New
Usage	2,720 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Bed Length	16 ft.
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson HMX460
Rear Axle	Tri Axle
Rear End	59,200 lb 4.56 ratio
Stock Number	KF205903
MLS Number	14064689
Category	Dump Trucks
Last Updated	1/16/2026
Location	Fort Lauderdale, FL, US
Sold By	All Roads Trucks

(772) 409-___ SHOW
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2026 Kenworth T880 Tri Axle Dump Truck - Cummins 470HP, 6 Speed Allison Rds Automatic, 16' Dump

Recently Updated

$235,995 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: T880...

Condition	New
Usage	788 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Bed Length	16 ft.
Horse Power	470 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	59,200 lb 4.30 ratio
Stock Number	KF198150
MLS Number	14064667
Category	Dump Trucks
Last Updated	1/16/2026
Location	Fort Pierce, FL, US
Sold By	All Roads Trucks

(954) 523-___ SHOW
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2026 Kenworth T880 Tri Axle Dump Truck - Cummins 470HP, 6 Speed Allison Rds Automatic, 16' Dump

Recently Updated

$235,995 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: T880...

Condition	New
Usage	1,500 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Bed Length	16 ft.
Horse Power	470 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	59,200 lb 4.30 ratio
Stock Number	KF198142
MLS Number	14064666
Category	Dump Trucks
Last Updated	1/16/2026
Location	Fort Lauderdale, FL, US
Sold By	All Roads Trucks