Used Heavy Duty 6 Speed Dump Trucks For Sale

2024 Mack Granite 64FT Tri Axle Dump Truck - MP8 455HP, 6 Speed Allison Rds Automatic, 16' Dump

$224,900 USD

Tri Axle, MP8 Mack 455 HP, Allison Automatic 6 Speed, 4.19 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 226" Wheelbase, 21' Bridge, Camelback, 3 Stage Engine Brake, Air Brake, Axle ...

Condition	Used
Usage	10,729 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Bed Length	16 ft.
Horse Power	455 HP
Engine Model	Mack MP8
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Camelback
Rear Axle	Tri Axle
Rear End	46,000 lb 4.19 ratio
Stock Number	042292
MLS Number	14320693
Category	Dump Trucks
Last Updated	5/2/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

2014 Peterbilt 337 Single Axle Dump Truck - Paccar 250HP, 6 Speed Allison Rds Automatic

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147136 Miles, 5483 Hours, Engine: PACCAR PX6, 250 HP, Fuel Type: Diesel, 6 Speed Allison RDS Automatic Transmission, Drive: 4x2, Spring Suspension, Wheels: All Aluminum, Wheel Base: 166,...

Condition	Used
Usage	5,483 Hours
Duty Class	Heavy Duty Dump Truck
Horse Power	250 HP
Engine Model	Paccar PX6
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	21,000 lb 6.17 ratio
Stock Number	C-37437
MLS Number	11843151
Category	Dump Trucks
Last Updated	4/28/2026
Location	Champlain, NY, US
Sold By	Gamache Truck Center

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2018 Kenworth T440 Single Axle Dump Truck - Paccar 370HP, 6 Speed Allison Rds Automatic

$82,500 USD

2018 Kenworth T440 12' Dump Truck, PX9, 38K GVWR Powertrain Chassis: 174,255 Miles | 3,725 Hours, 8.9L PACCAR PX9 370HP/1250lbs-ft, Block Heater, Allison 3000RDS 6 Speed Automatic...

Condition	Used
Usage	174,255 Miles
Duty Class	Heavy Duty Dump Truck
Horse Power	370 HP
Engine Model	Paccar PX9
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	25,600 lb
Stock Number	T18096M
MLS Number	14333165
Category	Dump Trucks
Last Updated	4/25/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Trucks

2024 International HX Dump Truck - Cummins 500HP, 6 Speed Allison Rds Amt

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105191 Miles, 3683 Hours, Engine: CUMMINS X15, 500 HP, Fuel Type: Diesel, 6 Speed Allison RDS AMT Transmission, Hendrickson Suspension, Wheels: All Aluminum, Wheel Base: 248, Tandem Rear...

Condition	Used
Usage	3,683 Hours
Duty Class	Heavy Duty Dump Truck
Horse Power	500 HP
Engine Model	Cummins X15
Transmission	6 Speed Allison RDS Automated
Suspension	Hendrickson
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	C-37592
MLS Number	14333077
Category	Dump Trucks
Last Updated	4/25/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

2023 Kenworth T880 Quad Axle Dump Truck - Cummins 525HP, 6 Speed Allison Rds Automatic, 19' Dump

$194,900 USD

2023 Kenworth T880 --- Quad Axle, X15 Cummins 525 HP, Allison Automatic 6 Speed, 4.30 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 246" Wheelbase, 22' 9" Bridge, Chalmers, Double Frame, 3...

Condition	Used
Usage	168,068 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Bed Length	19 ft.
Horse Power	525 HP
Engine Model	Cummins X15
Drivetrain	10x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Quad Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	268688
MLS Number	14284584
Category	Dump Trucks
Last Updated	4/28/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

2022 Kenworth T800 Dump Truck - Cummins 450HP, 6 Speed Allison Rds Automatic

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EXTENDED CAB, FRONT AXLE SPACING "SPREAD": 107", Make dump boxLANAU, Dump box model19-6X42X60, Dump box typeCONSTRUCTION, Side wall42", Dump box serial #0221SHD01200, Manufactured date02 M -...

Condition	Used
Usage	9,075 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Lanau
Horse Power	450 HP
Engine Model	Cummins X15E
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-37352
MLS Number	14164654
Category	Dump Trucks
Last Updated	4/25/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

2024 Mack Granite 64FR Tri Axle Dump Truck - MP8 455HP, 6 Speed Allison Rds Automatic, 16' Dump

$224,900 USD

Tri Axle, MP8 Mack 455 HP, Allison Automatic 6 Speed, 4.19 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 226" Wheelbase, 21' Bridge, Camelback, 3 Stage Engine Brake, Air Brake, Axle ...

Condition	Used
Usage	10,729 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Bed Length	16 ft.
Horse Power	455 HP
Engine Model	Mack MP8
Transmission	6 Speed Allison RDS Automatic
Suspension	Camelback
Rear Axle	Tri Axle
Rear End	4.19 ratio
Stock Number	RM042292
MLS Number	14328448
Category	Dump Trucks
Last Updated	4/25/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(855) 653-___ SHOW
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2022 International HV Dump Truck - Cummins 350HP, 6 Speed Allison Rds Automatic

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2020 International HV607 Tandem Axle 15’ Dump Truck, Cummins L9 8.9L Turbo Diesel Engine, 350 HP, Exhaust Brake, Allison 6 Speed Automatic Transmission, ONLY 34,978 Miles 2,773 Engine Hours...

Condition	Used
Usage	34,978 Miles
Duty Class	Heavy Duty Dump Truck
Horse Power	350 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
Stock Number	18161D
MLS Number	14325068
Category	Dump Trucks
Last Updated	4/22/2026
Location	Denver, CO, US
Sold By	DTI Trucks

2025 Kenworth T880 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Rds Automatic, 16' Dump

$234,900 USD

2025 Kenworth T880 --- Tri Axle, X15 Cummins 500 HP, Allison Automatic 6 Speed, 4.56 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 214" Wheelbase, 20' 1" Bridge, Chalmers, Double Frame, 3...

Condition	Used
Usage	28,399 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Logan
Bed Length	16 ft.
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	SJ167568
MLS Number	14302662
Category	Dump Trucks
Last Updated	4/19/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

2025 Kenworth T880 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Rds Automatic, 16' Dump

$234,900 USD

Tri Axle, X15 Cummins 500 HP, Allison Automatic 6 Speed, 4.56 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 214" Wheelbase, 20' 1" Bridge, Chalmers, Double Frame, 3 Stage Engine Brake, Air...

Condition	Used
Usage	21,093 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Logan
Bed Length	16 ft.
Horse Power	500 HP
Engine Model	Cummins X15
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	4.56 ratio
Stock Number	SJ167630
MLS Number	14275778
Category	Dump Trucks
Last Updated	4/19/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

2025 Kenworth T880 Tri Axle Dump Truck - Paccar 510HP, 6 Speed Allison Rds Automatic, 16' Dump

$224,900 USD

Triaxle, 16' Logan Steel Dump w/60" Sides, High Lift Gate, MX13 Paccar 510 HP, Allison Automatic 6 Speed, 4.78 Ratio, Chalmers, Double Frame, 20K FA, 46K RA, 20K Pusher, 214" WB, 20'1"...

Condition	Used
Usage	1,824 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Logan
Bed Length	16 ft.
Horse Power	510 HP
Engine Model	Paccar MX-13
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	4.78 ratio
Stock Number	SJ141541
MLS Number	14319561
Category	Dump Trucks
Last Updated	4/24/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

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

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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	4/18/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

2025 Kenworth T800 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Rds Automatic, 16' Dump

$234,900 USD

2025 Kenworth T880 --- Tri Axle, X15 Cummins 500 HP, Allison Automatic 6 Speed, 4.56 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 214" Wheelbase, 20' 1" Bridge, Chalmers, Double Frame, 3...

Condition	Used
Usage	28,399 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Logan
Bed Length	16 ft.
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	167568
MLS Number	14295956
Category	Dump Trucks
Last Updated	4/17/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

2025 Kenworth T800 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Rds Automatic, 16' Dump

$234,900 USD

2025 Kenworth T880 --- Tri Axle, X15 Cummins 500 HP, Allison Automatic 6 Speed, 4.56 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 214" Wheelbase, 20' 1" Bridge, Chalmers, Double Frame, 3...

Condition	Used
Usage	21,093 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Logan
Bed Length	16 ft.
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	167630
MLS Number	14275507
Category	Dump Trucks
Last Updated	4/17/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

2025 Kenworth T880 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Rds Automatic, 16' Dump

$234,900 USD

Tri Axle, X15 Cummins 500 HP, Allison Automatic 6 Speed, 4.56 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 214" Wheelbase, 20' 1" Bridge, Chalmers, Double Frame, 3 Stage Engine Brake, Air...

Condition	Used
Usage	39,681 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Logan
Bed Length	16 ft.
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	167503
MLS Number	14260729
Category	Dump Trucks
Last Updated	4/17/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

2022 Kenworth T800 Dump Truck - Cummins 450HP, 6 Speed Allison Rds Automatic

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Installed option, EXTENDED CAB, FRONT AXLE SPACING ''SPREAD'': 107'',

Condition	Used
Usage	9,228 Hours
Duty Class	Heavy Duty Dump Truck
Horse Power	450 HP
Engine Model	Cummins X15E
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	C-37456
MLS Number	14315697
Category	Dump Trucks
Last Updated	4/22/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

2025 Mack Granite 64FR Tri Axle Dump Truck - MP8 455HP, 6 Speed Allison Rds Automatic, 16' Dump

$229,900 USD

Tri Axle, MP8 Mack 455 HP, Allison Automatic 6 Speed, 4.19 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 227" Wheelbase, 21' Bridge, Camelback, 3 Stage Engine Brake, Air Brake, Axle ...

Condition	Used
Usage	25,603 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Logan
Bed Length	16 ft.
Horse Power	455 HP
Engine Model	Mack MP8
Transmission	6 Speed Allison RDS Automatic
Suspension	Camelback
Rear Axle	Tri Axle
Rear End	4.19 ratio
Stock Number	SM048798
MLS Number	14264798
Category	Dump Trucks
Last Updated	5/4/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

2022 Kenworth T800 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Rds Automatic, 16' Dump

$184,900 USD

2022 Kenworth T800 Extended Cab --- Tri Axle, X15 Cummins 500 HP, Allison Automatic 6 Speed, 4.56 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 214" Wheelbase, 20' 6" Bridge, Chalmers, Double...

Condition	Used
Usage	191,076 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	Chalmers
Rear Axle	Tri Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	478898
MLS Number	14229982
Category	Dump Trucks
Last Updated	4/16/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

2021 Peterbilt 567 Dump Truck - Paccar 455HP, 6 Speed Allison Rds Automatic, 16' Dump

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2021 Peterbilt 567 --- Tri Axle, MX13 PACCAR 455 HP, Allison Automatic 5+2 Speed, 4.30 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 228" Wheelbase, 21' 2" Bridge, Hendrickson Haulmaax, Double...

Condition	Used
Usage	279,404 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Rogers
Bed Length	16 ft.
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	8x6
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	715575
MLS Number	14164633
Category	Dump Trucks
Last Updated	4/16/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

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2022 Mack Granite 104FR Dump Truck - Ox Body demo Dump Body, QUAD AXLE , MP8 Engine, Allison Transmission, Financing for ALL CREDIT Types , Call Today

$175,950 USD

Looking for a no-nonsense, heavy-hitting workhorse that can handle anything you throw at it? This 2022 Mack Granite quad axle dump truck is an absolute beast, built to dominate your toughest...

Condition	Used
Usage	266,000 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Type	Dump Body
Upfit Make	Ox Bodies
Upfit Model	demo
Horse Power	415 HP
Engine Model	Mack MP8
Drivetrain	10x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Mack mRIDE
Rear Axle	Quad Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	U001674
MLS Number	14308835
Category	Dump Trucks
Last Updated	4/14/2026
Location	Springfield, MO, US
Sold By	Tri State Truck Center - Springfield, MO

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Tri State Truck Center - Springfield, MO

2020 Mack Granite Dump Truck - Rogers Dump Body , Only 137,000 Miles, MP8 Engine , 445HP , Mack Certified Factory Warranty Eligible !!!!

$165,950 USD

Ready to dominate your jobsite? This powerful 2020 Mack Granite tri-axle dump truck with just 137,000 miles is built for serious work and won't let you down. Equipped with a rugged MP8...

Condition	Used
Usage	137,708 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Type	Dump Body
Upfit Make	Rogers
Bed Length	16.5
Horse Power	445 HP
Engine Model	Mack MP8
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Camelback
Rear Axle	Tri Axle
Rear End	46,000 lb 4.19 ratio
Stock Number	U018847
MLS Number	14308488
Category	Dump Trucks
Last Updated	4/14/2026
Location	Springfield, MO, US
Sold By	Tri State Truck Center - Springfield, MO

(855) 506-___ SHOW
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2015 Freightliner M2 106 Dump Truck - Cummins, Automatic, 17' Dump

$48,900 USD

STOCK #2026, 17FT DUMP TRUCK * 2015 FREIGHTLINER M2 * ENGINE CUMMINS ISB 6.7L * DIESEL * 6SPD MANUAL TRANSMISSION * GVWR 33,000 * SPRING SUSPENSION * MILEAGE 219,778 * COLOR WHITE *, *** 90...

Condition	Used
Usage	219,778 Miles
Duty Class	Heavy Duty Dump Truck
Bed Length	17 ft.
Engine Model	Cummins ISB6.7
Drivetrain	4x2
Transmission	6 Speed Manual
Suspension	Spring
Stock Number	2026
MLS Number	13916371
Category	Dump Trucks
Last Updated	4/12/2026
Location	Orlando, FL, US
Sold By	Orange Truck Sales, LLC

2023 Kenworth T880 Tri Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic

$196,900 USD

2023 Kenworth T880 --- Tri Axle, X15 Cummins 565 HP, Allison Automatic 6 Speed, 4.30 Ratio, 18,740 Front Axle, 46,000 Rear Axle, 226" Wheelbase, 21' 1" Bridge, Chalmers, Double Frame, 3...

Condition	Used
Usage	251,050 Miles
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	256246
MLS Number	14007614
Category	Dump Trucks
Last Updated	4/11/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(833) 904-___ SHOW
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2024 Volvo VHD104F300 Five Axle Dump Truck - D13N-425 435HP, 6 Speed Allison Rds Automatic

$189,500 USD

2024 Volvo VHD104F300 Dump Truck, 435hp Volvo D13N-435, 6spd Allison Automatic Transmission, 80k Mi, Walking Beam Suspension, 309in Wheelbase, Nationwide Delivery Available

Condition	Used
Usage	80,190 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Horse Power	435 HP
Engine Model	Volvo D13N-425
Transmission	6 Speed Allison RDS Automatic
Suspension	Walking Beam
Rear Axle	Five Axle
Rear End	75,000 lb
Stock Number	2632
MLS Number	14302954
Category	Dump Trucks
Last Updated	4/10/2026
Location	Sawyer, KS, US
Sold By	The Wrays, LLC