6 Speed Tri Axle Dump Trucks For Sale

Your Current Search
Industry
Trucks
Category
Dump Trucks
Rear Axle
Tri
Transmission Speeds
6 Speed
Click the to remove the filter.
Narrow Your Search
Keyword Search
Search within the selected criteria
Equipment Type
Trucks (321)
Category
Dump Trucks (321)
Model
Select a manufacturer to view available models.
Condition
Model Year
-
GVWR Category
Heavy Duty (319)
Rear Axle
Tri (321)
Transmission Type
Transmission Speed
6 Speed (321)
Drive Train
Engine Manufacturer
Exterior Color
Suspension Type
Cab Style
Upfit Manufacturer
Fuel Type
Diesel (286)
Mileage
-
Horsepower
-
Inspection Report
Yes (0)
Warranty
Yes (0)
No (0)
Price
-
Country
State / Region
Select a country to view available states.
Seller Type
Dealerships (321)
Market Type
For Sale (321)

Shop Dump Trucks by Brand

Quick Filters

Showing 301 - 321 of 321 Dump Truck Listings

301 - 321 of 321 listings
301 - 321 of 321 listings
Mack Granite 84FR Tri Axle Dump Truck - MP7 425HP, 6 Speed Allison Rds Automatic, 17' Dump

2021 Mack Granite 84FR Tri Axle Dump Truck - MP7 425HP, 6 Speed Allison Rds Automatic, 17' Dump

$149,900 USD
2021 Mack GRANITE 84FR --- Tri Axle, MP7 Mack 425 HP, Allison Automatic 6 Speed, 18,000 Front Axle, 46,000 Rear Axle, 228" Wheelbase, 21' 2" Bridge, Hendrickson Haulmaax, 3 Stage Engine...
ConditionUsed
Usage301,955 Miles
Duty ClassHeavy Duty Dump Truck
Bed Length17 ft.
Horse Power425 HP
Engine ModelMack MP7
Drivetrain8x4
Transmission6 Speed Allison RDS Automatic
SuspensionHaulMaax
Rear AxleTri Axle
Rear End46,000 lb
Stock Number001715
MLS Number13848819
CategoryDump Trucks
Last Updated10/16/2025
Location
Chatham, VA, US
Sold By
Atkinson Truck Sales
Kenworth T880 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Rds Automatic, 17' Dump

2026 Kenworth T880 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Rds Automatic, 17' Dump

$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...
ConditionNew
Usage612 Miles
Duty ClassHeavy Duty Dump Truck
Upfit MakeHERITAGE
Bed Length17 ft.
Horse Power500 HP
Engine ModelCummins X15
Drivetrain8x4
Transmission6 Speed Allison RDS Automatic
SuspensionHendrickson PRIMAAX
Rear AxleTri Axle
Rear End56,750 lb 4.56 ratio
Stock NumberKN205750
MLS Number13852611
CategoryDump Trucks
Last Updated10/14/2025
Location
Mardela Springs, MD, US
Sold By
All Roads Trucks
Kenworth T880 Tri Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 17.5' Dump

2026 Kenworth T880 Tri Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 17.5' Dump

$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...
Quantity5
ConditionNew
Usage8 Hours
Duty ClassHeavy Duty Dump Truck
Upfit MakeHERITAGE
Bed Length17.5
Horse Power565 HP
Engine ModelCummins X15
Drivetrain8x4
Transmission6 Speed Allison RDS Automatic
SuspensionChalmers
Rear AxleTri Axle
Rear End46,000 lb 4.30 ratio
Stock Number216085
MLS Number13811085
CategoryDump Trucks
Last Updated10/11/2025
Location
Chatham, VA, US
Sold By
Atkinson Truck Sales
Peterbilt 367 Tri Axle Dump Truck - Cummins 385HP, 6 Speed Allison Rds Automatic, 17' Dump

2017 Peterbilt 367 Tri Axle Dump Truck - Cummins 385HP, 6 Speed Allison Rds Automatic, 17' Dump

$139,900 USD
Triaxle, Extended Cab, 17' Rogers Steel Dump w/48" Sides, ISX12 Cummins 385 HP, Allison Automatic 6 Speed, 4.89 Ratio, 3 Stage Engine Brake, HaulMaax, 14,600 FA, 46,000 RA, 13,500 Steerable...
ConditionUsed
Usage13,239 Hours
Duty ClassHeavy Duty Dump Truck
Upfit MakeRogers
Bed Length17 ft.
Horse Power385 HP
Engine ModelCummins ISX12
Transmission6 Speed Allison RDS Automatic
SuspensionHaulMaax
Rear AxleTri Axle
Rear End4.89 ratio
Stock NumberHD410092
MLS Number13302457
CategoryDump Trucks
Last Updated10/10/2025
Location
Chatham, VA, US
Sold By
J&J Truck Sales
Western Star 4700 Tri Axle Dump Truck - Detroit 470HP, 6 Speed Allison Rds Automatic

2020 Western Star 4700 Tri Axle Dump Truck - Detroit 470HP, 6 Speed Allison Rds Automatic

$177,500 USD
18X60X66 HERITAGE BODY, New Drive Tires,
ConditionUsed
Usage152,448 Miles
Duty ClassHeavy Duty Dump Truck
Upfit MakeHERITAGE
Horse Power470 HP
Engine ModelDetroit DD13
Drivetrain8x4
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleTri Axle
Rear End46,000 lb 4.10 ratio
Stock Number1948
MLS Number12869471
CategoryDump Trucks
Last Updated10/7/2025
Location
Worcester, MA, US
Sold By
Ballard Truck Center
Kenworth T880 Tri Axle Dump Truck - Paccar 510HP, 6 Speed Allison Rds Automatic, 17' Dump

2026 Kenworth T880 Tri Axle Dump Truck - Paccar 510HP, 6 Speed Allison Rds Automatic, 17' Dump

$234,095 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...
ConditionNew
Usage585 Miles
Duty ClassHeavy Duty Dump Truck
Upfit MakeHERITAGE
Bed Length17 ft.
Horse Power510 HP
Engine ModelPaccar MX-13
Drivetrain8x4
Transmission6 Speed Allison RDS Automatic
SuspensionHendrickson HMX460
Rear AxleTri Axle
Rear End59,500 lb 4.56 ratio
Stock NumberKN205838
MLS Number13814013
CategoryDump Trucks
Last Updated9/30/2025
Location
Rosedale, MD, US
Sold By
All Roads Trucks
Western Star 4700SB Dump Truck

2023 Western Star 4700SB Dump Truck

$179,900 USD
2022 WESTERN STAR 4700SBA TRI AXLE DUMP TRUCK, Detroit DD13, 470hp, Allison 6sp, 77922 Miles, 208", Tuftrac, 66K GVWR, Engine Brake, Differential Lock, Air Ride Cab, Electric Tarp, 16' Logan...
ConditionUsed
Duty ClassHeavy Duty Dump Truck
Upfit MakeLogan
Bed Length16 ft.
Horse Power470 HP
Engine ModelDetroit DD13
Transmission6 Speed
SuspensionTufTrac
Rear AxleTri Axle
Stock NumberMJT0LSjA543231
MLS Number13380424
CategoryDump Trucks
Last Updated1/6/2026
Location
Louisville, KY, US
Sold By
Proxy Equipment
Peterbilt 567 Tri Axle Dump Truck - Paccar 455HP, 6 Speed Allison Rds Automatic, 17' Dump

2021 Peterbilt 567 Tri Axle Dump Truck - Paccar 455HP, 6 Speed Allison Rds Automatic, 17' Dump

$179,900 USD
2021 Peterbilt 567 --- Tri Axle, MX-13 Paccar 455 HP, Allison Automatic 6 Speed, 4.30 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 226" Wheelbase, 21' 2" Bridge, HaulMaax, Double Frame, 3...
ConditionUsed
Usage12,179 Hours
Duty ClassHeavy Duty Dump Truck
Upfit MakeRogers
Bed Length17 ft.
Horse Power455 HP
Engine ModelPaccar MX-13
Transmission6 Speed Allison RDS Automatic
SuspensionHaulMaax
Rear AxleTri Axle
Rear End46,000 lb 4.30 ratio
Stock Number715567
MLS Number13586650
CategoryDump Trucks
Last Updated9/27/2025
Location
Chatham, VA, US
Sold By
Atkinson Truck Sales
Peterbilt 567 Tri Axle Dump Truck - Paccar 455HP, 6 Speed Allison Rds Automatic

2021 Peterbilt 567 Tri Axle Dump Truck - Paccar 455HP, 6 Speed Allison Rds Automatic

$179,900 USD
2021 Peterbilt 567 --- Tri Axle, MX-13 Paccar 455 HP, Allison Automatic 6 Speed, 4.30 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 226" Wheelbase, 21' 2" Bridge, HaulMaax, Double Frame, 3...
ConditionUsed
Usage236,999 Miles
Duty ClassHeavy Duty Dump Truck
Upfit MakeRogers
Horse Power455 HP
Engine ModelPaccar MX-13
Drivetrain8x4
Transmission6 Speed Allison RDS Automatic
SuspensionHaulMaax
Rear AxleTri Axle
Rear End46,000 lb 4.30 ratio
Stock Number715576
MLS Number13584606
CategoryDump Trucks
Last Updated9/27/2025
Location
Chatham, VA, US
Sold By
Atkinson Truck Sales
Mack Granite 84FR Tri Axle Dump Truck - MP7 425HP, 6 Speed Allison Rds Automatic, 17' Dump

2021 Mack Granite 84FR Tri Axle Dump Truck - MP7 425HP, 6 Speed Allison Rds Automatic, 17' Dump

$149,900 USD
2021 Mack GRANITE 84FR --- Tri Axle, MP7 Mack 425 HP, Allison Automatic 6 Speed, 18,000 Front Axle, 46,000 Rear Axle, 228" Wheelbase, 21' 2" Bridge, Hendrickson Haulmaax, 3 Stage Engine...
ConditionUsed
Usage11,458 Hours
Duty ClassHeavy Duty Dump Truck
Bed Length17 ft.
Horse Power425 HP
Engine ModelMack MP7
Drivetrain8x4
Transmission6 Speed Allison RDS Automatic
SuspensionHaulMaax
Rear AxleTri Axle
Rear End46,000 lb
Stock Number001718
MLS Number13850185
CategoryDump Trucks
Last Updated9/27/2025
Location
Chatham, VA, US
Sold By
Atkinson Truck Sales
Kenworth T880 Tri Axle Dump Truck - Paccar 445HP, 6 Speed Allison Rds Automatic, 17.5' Dump

2023 Kenworth T880 Tri Axle Dump Truck - Paccar 445HP, 6 Speed Allison Rds Automatic, 17.5' Dump

$189,900 USD
2023 Kenworth T880 --- Tri Axle, MX-11 PACCAR 445 HP, Allison Automatic 6 Speed, 4.30 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 222" Wheelbase, 20' 10" Bridge, Chalmers, Double Frame, 3...
ConditionUsed
Usage201,022 Miles
Duty ClassHeavy Duty Dump Truck
Upfit MakeHERITAGE
Bed Length17.5
Horse Power445 HP
Engine ModelPaccar MX-11
Drivetrain8x4
Transmission6 Speed Allison RDS Automatic
SuspensionChalmers
Rear AxleTri Axle
Rear End46,000 lb 4.30 ratio
Stock Number258669
MLS Number13751186
CategoryDump Trucks
Last Updated9/25/2025
Location
Chatham, VA, US
Sold By
Atkinson Truck Sales
Kenworth T880 Tri Axle Dump Truck - Cummins 525HP, 6 Speed Allison Rds Automatic, 17.5' Dump

2026 Kenworth T880 Tri Axle Dump Truck - Cummins 525HP, 6 Speed Allison Rds Automatic, 17.5' Dump

$256,900 USD
2026 Kenworth T880 --- Tri Axle, X15 Cummins 525 HP, Allison Automatic 6 Speed, 4.30 Ratio, 18,740 Front Axle, 46,000 Rear Axle, 226" Wheelbase, 21' 2" Bridge, Chalmers, Double Frame, 3...
Quantity4
ConditionNew
Usage648 Miles
Duty ClassHeavy Duty Dump Truck
Upfit MakeHERITAGE
Bed Length17.5
Horse Power525 HP
Engine ModelCummins X15
Drivetrain8x4
Transmission6 Speed Allison RDS Automatic
SuspensionChalmers
Rear AxleTri Axle
Rear End46,000 lb 4.30 ratio
Stock Number207958
MLS Number13514229
CategoryDump Trucks
Last Updated9/30/2025
Location
Chatham, VA, US
Sold By
Atkinson Truck Sales
Kenworth T880 Tri Axle Dump Truck - Cummins 525HP, 6 Speed Allison Rds Automatic, 17.5' Dump

2026 Kenworth T880 Tri Axle Dump Truck - Cummins 525HP, 6 Speed Allison Rds Automatic, 17.5' Dump

$256,900 USD
2026 Kenworth T880 --- Tri Axle, X15 Cummins 525 HP, Allison Automatic 6 Speed, 4.30 Ratio, 18,740 Front Axle, 46,000 Rear Axle, 226" Wheelbase, 21' 2" Bridge, Chalmers, Double Frame, 3...
Quantity4
ConditionNew
Usage16 Hours
Duty ClassHeavy Duty Dump Truck
Upfit MakeHERITAGE
Bed Length17.5
Horse Power525 HP
Engine ModelCummins X15
Drivetrain8x4
Transmission6 Speed Allison RDS Automatic
SuspensionChalmers
Rear AxleTri Axle
Rear End46,000 lb 4.30 ratio
Stock Number207957
MLS Number13498524
CategoryDump Trucks
Last Updated9/30/2025
Location
Chatham, VA, US
Sold By
Atkinson Truck Sales
Peterbilt 367 Tri Axle Dump Truck - Cummins 385HP, 6 Speed Allison Rds Automatic, 17' Dump

2017 Peterbilt 367 Tri Axle Dump Truck - Cummins 385HP, 6 Speed Allison Rds Automatic, 17' Dump

$139,900 USD
2017 Peterbilt 367 EXT CAB --- Tri Axle, ISX 12 Cummins 385 HP, Allison Automatic 6 Speed, 4.89 Ratio, 14,600 Front Axle, 46,000 Rear Axle, 238" Wheelbase, 22' 2" Bridge, Hendrickson...
ConditionUsed
Usage218,990 Miles
Duty ClassHeavy Duty Dump Truck
Upfit MakeRogers
Bed Length17 ft.
Horse Power385 HP
Engine ModelCummins ISX12
Drivetrain8x4
Transmission6 Speed Allison RDS Automatic
SuspensionHaulMaax
Rear AxleTri Axle
Rear End46,000 lb 4.89 ratio
Stock Number410092
MLS Number13302439
CategoryDump Trucks
Last Updated9/18/2025
Location
Chatham, VA, US
Sold By
Atkinson Truck Sales
Kenworth T800 Tri Axle Dump Truck - Cummins 425HP, 6 Speed Allison Rds Automatic, 16.5' Dump

2017 Kenworth T800 Tri Axle Dump Truck - Cummins 425HP, 6 Speed Allison Rds Automatic, 16.5' Dump

$139,900 USD
2017 Kenworth T800 --- Tri Axle, ISX 12 Cummins 425 HP, Allison Automatic 6 Speed, 4.78 Ratio, 20,000 front axle, 46,000 Rear Axle, 216" Wheelbase, 20' 3" Bridge, Hendrickson Haulmaax, 3...
ConditionUsed
Usage270,646 Miles
Duty ClassHeavy Duty Dump Truck
Upfit MakeRogers
Bed Length16.5
Horse Power425 HP
Engine ModelCummins ISX12
Drivetrain8x4
Transmission6 Speed Allison RDS Automatic
SuspensionHendrickson HMX460
Rear AxleTri Axle
Rear End46,000 lb 4.78 ratio
Stock Number166793
MLS Number13282720
CategoryDump Trucks
Last Updated9/18/2025
Location
Chatham, VA, US
Sold By
Atkinson Truck Sales
Mack Granite GU813 Tri Axle Dump Truck - 405HP, 6 Speed Allison Rds Automatic

2016 Mack Granite GU813 Tri Axle Dump Truck - 405HP, 6 Speed Allison Rds Automatic

$134,900 USD
2016 Mack GU813 --- Tri Axle, MP7 Mack 405 HP, Allison Automatic 6 Speed, 20,000 Front Axle, 46,000 Rear Axle, 210" Wheelbase, 19' 8" Bridge, Camelback, Thick Frame, 2 Stage Engine Brake,...
ConditionUsed
Usage246,126 Miles
Duty ClassHeavy Duty Dump Truck
Upfit MakeOx Bodies
Horse Power405 HP
Transmission6 Speed Allison RDS Automatic
SuspensionCamelback
Rear AxleTri Axle
Rear End46,000 lb
Stock Number032681
MLS Number13665369
CategoryDump Trucks
Last Updated9/9/2025
Location
Chatham, VA, US
Sold By
Atkinson Truck Sales
Kenworth T880 Tri Axle Dump Truck - Paccar 455HP, 6 Speed Allison Rds Automatic, 16' Dump

2020 Kenworth T880 Tri Axle Dump Truck - Paccar 455HP, 6 Speed Allison Rds Automatic, 16' Dump

$162,500 USD
VERY CLEAN!!! 180 DAY/50K ENGINE WARRANTY!! READY TO WORK!!! CALL NOW FOR MORE INFORMATION
ConditionUsed
Usage243,169 Miles
Duty ClassHeavy Duty Dump Truck
Upfit MakeBeau-Roc
Bed Length16 ft.
Horse Power455 HP
Engine ModelPaccar MX-13
Drivetrain6x4
Transmission6 Speed Allison RDS Automatic
SuspensionChalmers
Rear AxleTri Axle
Rear End46,000 lb 4.10 ratio
Stock Number110921
MLS Number13752908
CategoryDump Trucks
Last Updated8/21/2025
Location
Louisville, KY, US
Sold By
Boyd Truck Centers
International Dump Truck

2021 International Dump Truck

$149,900 USD
2021 INTERNATIONAL HX520 SFA TRI AXLE DUMP TRUCK, Cummins X15, 485hp, Allison 6 Sp, 4.30, 157763 Miles, Hendrickson, 66K GVWR, 232", 16' Heritage Steel Bed, Vibratory, Electric Tarp, Engine...
ConditionUsed
Duty ClassHeavy Duty Dump Truck
Upfit MakeHERITAGE
Bed Length16 ft.
Horse Power485 HP
Engine ModelCummins X15
Transmission6 Speed
Rear AxleTri Axle
Rear End4.30 ratio
Stock NumberMJT0L0WB241056
MLS Number12402240
CategoryDump Trucks
Last Updated1/6/2026
Location
Louisville, KY, US
Sold By
Proxy Equipment
Western Star 4700 Tri Axle Dump Truck - Detroit 470HP, 6 Speed Allison Rds Automatic, 16' Dump

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

$175,500 USD
2022 4700 Western Star with LOW MILES!!!! MAJOR ENGINE COMPONENT PARTS WARRANTY TILL 5/15/2026! 180 DAY TRUCK MASTER WARRANTY! This truck is ready to work!!! Call for more information
ConditionUsed
Usage161,407 Miles
Duty ClassHeavy Duty Dump Truck
Upfit MakeLogan
Bed Length16 ft.
Horse Power470 HP
Engine ModelDetroit DD13
Drivetrain8x4
Transmission6 Speed Allison RDS Automatic
SuspensionTufTrac
Rear AxleTri Axle
Rear End46,000 lb 4.30 ratio
Stock Number106254
MLS Number13693349
CategoryDump Trucks
Last Updated9/1/2025
Location
Louisville, KY, US
Sold By
Boyd Truck Centers
Kenworth T880 Tri Axle Dump Truck - Paccar 510HP, 6 Speed Allison Rds Automatic, 16' Dump

2024 Kenworth T880 Tri Axle Dump Truck - Paccar 510HP, 6 Speed Allison Rds Automatic, 16' Dump

$239,900 USD
2024 Kenworth T880 --- Tri Axle, MX-13 Paccar 510 HP, Allison Automatic 6 Speed, 4.78 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 214" Wheelbase, 20' 1" Bridge, Chalmers, Double Frame, 3...
ConditionUsed
Usage207 Hours
Duty ClassHeavy Duty Dump Truck
Upfit MakeLogan
Bed Length16 ft.
Horse Power510 HP
Engine ModelPaccar MX-13
Drivetrain8x4
Transmission6 Speed Allison RDS Automatic
SuspensionChalmers
Rear AxleTri Axle
Rear End46,000 lb
Stock Number388890
MLS Number13506445
CategoryDump Trucks
Last Updated5/17/2025
Location
Chatham, VA, US
Sold By
Atkinson Truck Sales
Western Star 4700SB Dump Truck

2023 Western Star 4700SB Dump Truck

$174,900 USD
2022 WESTERN STAR 4700SBA TRI AXLE DUMP TRUCK, Detroit DD13, 470hp, Allison 6sp, 97931 Miles, 208", Tuftrac, 66K GVWR, Engine Brake, Differential Lock, Air Ride Cab, Electric Tarp, 16' Logan...
ConditionUsed
Duty ClassHeavy Duty Dump Truck
Horse Power470 HP
Engine ModelDetroit DD13
Transmission6 Speed
SuspensionAir Ride
Rear AxleTri Axle
Stock NumberMJT0oklo329541
MLS Number13380419
CategoryDump Trucks
Last Updated1/6/2026
Location
Louisville, KY, US
Sold By
Proxy Equipment
Did you find what you were looking for? Yes No
Got a dump truck to sell? In minutes, you can create an online listing for your dump truck and advertise it to thousands of buyers.
Start selling today