Used 6 Speed Tandem Axle Dump Trucks For Sale

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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

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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	1/21/2026
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	1/21/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

(844) 435-___ SHOW
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2022 Kenworth T680 Dump Truck

$199,900 USD

17' Heritage Model HS-SP 17'x54"x60" Smooth side, two shoots,Pintle hook and plate,

Condition	Used
Usage	96,093 Miles
Duty Class	Heavy Duty Dump Truck
Horse Power	485 HP
Transmission	6 Speed
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	348347
MLS Number	13364674
Category	Dump Trucks
Last Updated	1/6/2026
Location	Manchester, NH, US
Sold By	Allegiance Trucks

(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

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	1/21/2026
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.

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

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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	1/21/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

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

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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

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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	1/21/2026
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	1/21/2026
Location	Champlain, NY, US
Sold By	Gamache Truck Center

(833) 490-___ SHOW
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2019 International HX620 Dump Truck, Dot Passing , Zero Down Financing Available WAC , Warranty Options

$142,995 USD

For sale: a robust 2019 International HX620 with a powerful Cummins X15 485 HP engine and smooth Allison Automatic 4500rds transmission, paired with a tandem axle setup featuring a 20,000 lb...

Condition	Used
Usage	134,211 Miles
Duty Class	Heavy Duty Dump Truck
Bed Length	16 ft.
Horse Power	485 HP
Engine Model	Cummins X15, Signature
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	U291896
MLS Number	13843833
Category	Dump Trucks
Last Updated	11/25/2025
Location	Springfield, MO, US
Sold By	Tri State Truck Center - Springfield, MO

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Tri State Truck Center - Springfield, MO

2022 Western Star 4700 Dump Truck - Detroit 470HP, 6 Speed Allison Rds Automatic, 16' Dump

$174,500 USD

2022 Western Star 4700SB Tandem Axle Dump Truck, 12.8L Detroit Diesel DD13 Engine, 470 HP, Engine Brake, Allison 6-Speed Automatic Transmission, ONLY 43,629 ECM Verified Miles, ONLY 1,892...

Condition	Used
Usage	1,892 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Colt
Bed Length	16 ft.
Horse Power	470 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	TufTrac
Rear Axle	Tandem Axle
Rear End	40,000 lb 4.11 ratio
Stock Number	T17352D
MLS Number	13660408
Category	Dump Trucks
Last Updated	11/4/2025
Location	Denver, CO, US
Sold By	DTI Trucks

2011 Mack Granite GU813 Dump Truck - MP7 405HP, 6 Speed Allison Rds Automatic, 19' Dump

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Make dump boxA.C.N.S Dump box modelAUR400, Dump box typeCONSTRUCTION, Side wall42", Dump box serial #1082, Manufactured date06 M - 10 Y, Door60", Door opening2 SENS, Heated boxOUI, CAB...

Condition	Used
Usage	15,659 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	ACNS
Bed Length	19 ft.
Horse Power	405 HP
Engine Model	Mack MP7
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Mack
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	C-37007
MLS Number	13910410
Category	Dump Trucks
Last Updated	1/21/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

2026 Freightliner M2 106 Dump Truck - Detroit 350HP, 6 Speed Allison Rds Automatic

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1120 Miles, Engine: DETROIT DD8, 350 HP, 6 Speed Allison RDS Automatic Transmission, AirLiner Suspension, Wheels: Aluminum, Wheel Base: 192, Tandem Rear Axles, Front Axle Weight: 20000 lb,...

Condition	Used
Usage	1,120 Miles
Duty Class	Heavy Duty Dump Truck
Horse Power	350 HP
Engine Model	Detroit DD8
Transmission	6 Speed Allison RDS Automatic
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	44,000 lb 6.14 ratio
Stock Number	C-36771
MLS Number	13751175
Category	Dump Trucks
Last Updated	1/21/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

(844) 716-___ SHOW
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2013 Peterbilt 365 Dump Truck - Cummins 425HP, 6 Speed Allison Rds Automatic, 15' Dump

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2013 Peterbilt 365 tandem axle truck #5281 (sister truck shown in first 4 pictures), , Vin # 1NPSL70X1DD181154, , Cummins ISX11.9-425V- 425 horsepower turbo diesel engine, 1,550 ft lb torque,...

Condition	Used
Usage	3,955 Hours
Duty Class	Heavy Duty Dump Truck
Bed Length	15 ft.
Horse Power	425 HP
Engine Model	Cummins ISX11.9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Walking Beam
Rear Axle	Tandem Axle
Rear End	40,000 lb 5.57 ratio
Stock Number	5281
MLS Number	13576793
Category	Dump Trucks
Last Updated	9/6/2025
Location	Pacific, WA, US
Sold By	Puget Sound Truck Sales, Inc.

2011 Freightliner 114SD Dump Truck - Cummins 300HP, 6 Speed Allison Rds Automatic, 14' Dump

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Make dump boxELP, Dump box model345L 1504260A, Dump box typeCONSTRUCTION, Side wall42", Dump box serial #05706, Door60", Door opening2 SENS, Heated boxNON, CAB shield24", Asphalt lip4",...

Condition	Used
Usage	13,903 Hours
Duty Class	Heavy Duty Dump Truck
Bed Length	14 ft.
Horse Power	300 HP
Engine Model	Cummins ISC
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Tandem Axle
Rear End	40,000 lb 5.86 ratio
Stock Number	C-33678
MLS Number	13723121
Category	Dump Trucks
Last Updated	1/21/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

2017 Freightliner 114SD Dump Truck - Detroit 450HP, 6 Speed Allison Rds Automatic, 20' Dump

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Make dump boxLANAU, Dump box modelSHD-20X48X60, Dump box typeCONSTRUCTION, Side wall48", Dump box serial #H16SHD0427, Manufactured date11 M - 16 Y, Door60", Door opening1 SENS, Heated boxOUI...

Condition	Used
Usage	15,977 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Lanau
Bed Length	20 ft.
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	TufTrac
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	C-36587
MLS Number	13696414
Category	Dump Trucks
Last Updated	1/21/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

2020 Freightliner 114SD Dump Truck - Detroit 470HP, 6 Speed Allison Rds Automatic, 20' Dump

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Make dump boxLANAU, Dump box model20'-6X48X60, Dump box typeCONSTRUCTION, Side wall48", Dump box serial #0520SH0342, Manufactured date08 M - 20 Y, Door60", Door opening1 SENS, Heated boxNON,...

Condition	Used
Usage	4,583 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Lanau
Bed Length	20 ft.
Horse Power	470 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	C-36225
MLS Number	13380948
Category	Dump Trucks
Last Updated	1/21/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

2025 Kenworth T880 Dump Truck - Paccar 510HP, 6 Speed Allison Rds Automatic

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1563 Miles, 23 Hours, Engine: PACCAR MX-13, 510 HP, 6 Speed Allison RDS Automatic Transmission, Air Ride Suspension, Wheels: All Aluminum, Wheel Base: 222, Tandem Rear Axles, Front Axle...

Condition	Used
Usage	23 Hours
Duty Class	Heavy Duty Dump Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	Pub-365
MLS Number	12973337
Category	Dump Trucks
Last Updated	1/21/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center