Heavy Duty 12 Speed 6x4 Dump Trucks For Sale

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1-15 of 15 results
1-15 of 15 results
Mack Pinnacle 64T Dump Truck - MP8 455HP, 12 Speed M Drive Automatic, 15' Dump
35 0

2023 Mack Pinnacle 64T Dump Truck - MP8 455HP, 12 Speed M Drive Automatic, 15' Dump

Recently Updated
$119,500 USD
FLEET MAINTINED, GOLD DOG MACK MP8 455HP, MDRIVE AUTOMATIC, 12SPD TRANS, DIFF LOCKS, JAKE BRAKES, COLD A/C, NEW 15X48" BOX, 18 CUBIC YARDS, NEW CYLINDER, PTO, TARP, ORIGINAL LOW MILES,...
ConditionUsed
Usage260,722 Miles
Duty ClassHeavy Duty Dump Truck
Bed Length15 ft.
Horse Power455 HP
Engine ModelMack MP8
Drivetrain6x4
Transmission12 Speed mDRIVE Automatic
SuspensionMack
Rear AxleTandem Axle
Rear End40,000 lb 3.56 ratio
Stock Number7025
MLS Number13715008
CategoryDump Trucks
Last Updated8/12/2025
Location
Houston, TX, US
Sold By

Southern Truck Sales Ltd

Mack Granite GU713 Dump Truck - MP7 425HP, 12 Speed M Drive Amt, 16' Dump
4 0

2016 Mack Granite GU713 Dump Truck - MP7 425HP, 12 Speed M Drive Amt, 16' Dump

$65,000 USD
GOOD TRUCK, RUNS GREAT, CLEAN, AIR SEAT, AIR BRAKES, DIFFERENTIAL LOCK, AIR GATE, ELECTRIC TARP, THICK FRAME, POWER WINDOWS, POWER MIRRORS, CRUISE!,
ConditionUsed
Usage609,102 Miles
Duty ClassHeavy Duty Dump Truck
Bed Length16 ft.
Horse Power425 HP
Engine ModelMack MP7
Drivetrain6x4
Transmission12 Speed mDRIVE Automated
SuspensionCamelback
Rear AxleTandem Axle
Rear End46,000 lb
Stock Number16GU609TADUMP
MLS Number13734533
CategoryDump Trucks
Last Updated8/13/2025
Location
Covington, TN, US
Sold By

Don Baskin Truck Sales

International LT Dump Truck - Cummins 450HP, 12 Speed Endurant Automatic, 13' Dump
36 0

2020 International LT Dump Truck - Cummins 450HP, 12 Speed Endurant Automatic, 13' Dump

$54,500 USD
AUTOMATIC!! CLEAN FLEET MAINTAINED INTERNATIONAL LT625, CUMMINS X15, 450HP, 12 SPEED EATON ENDURANT AUTO TRANSMISSION, JAKES, NEW 13'X56" DUMP BED, 17 CU YARDS, NEW PTO, TANK, TARP, LIKE...
ConditionUsed
Usage414,689 Miles
Duty ClassHeavy Duty Dump Truck
Bed Length13 ft.
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.75 ratio
Stock Number7029
MLS Number13749603
CategoryDump Trucks
Last Updated8/14/2025
Location
Houston, TX, US
Sold By

Southern Truck Sales Ltd

Volvo VHD104B200 Dump Truck - D13 500HP, 12 Speed I Shift Automatic, 21' Dump
40 1

2018 Volvo VHD104B200 Dump Truck - D13 500HP, 12 Speed I Shift Automatic, 21' Dump

Contact for price
FRONT AXLE SPACING "SPREAD": 126" Make dump boxBIBEAU, Dump box model21-0X48X60, Dump box typeCONSTRUCTION, Side wall48'', Dump box serial #23748-1, Door60", Door opening1 WAY, Heated boxNO,...
ConditionUsed
Usage9,411 Hours
Duty ClassHeavy Duty Dump Truck
Upfit MakeBibeau
Bed Length21 ft.
Horse Power500 HP
Engine ModelVolvo D13
Drivetrain6x4
Transmission12 Speed I Shift Automatic
SuspensionHendrickson
Rear AxleTandem Axle
Rear End46,000 lb 3.73 ratio
Stock NumberC-36720
MLS Number13749517
CategoryDump Trucks
Last Updated8/8/2025
Location
Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By

Gamache Truck Center

Freightliner Cascadia 125 Dump Truck - Detroit 450HP, 12 Speed Dt12 Automatic, 18' Dump
7 0

2018 Freightliner Cascadia 125 Dump Truck - Detroit 450HP, 12 Speed Dt12 Automatic, 18' Dump

Price Drop
$119,900 USD
Unit is ready to go! Call: Martha Servin,
ConditionUsed
Usage383,872 Miles
Duty ClassHeavy Duty Dump Truck
Bed Length18 ft.
Horse Power450 HP
Engine ModelDetroit DD13
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb
Stock NumberL18352
MLS Number13630604
CategoryDump Trucks
Last Updated8/8/2025
Location
Los Angeles, CA, US
Sold By

TCI Transportation

Freightliner Cascadia 125 Dump Truck - Detroit 400HP, 12 Speed Dt12 Automatic
7 0

2018 Freightliner Cascadia 125 Dump Truck - Detroit 400HP, 12 Speed Dt12 Automatic

$129,900 USD
Brand New Dump Truck Conversion, New Dump Bed and Entire System, Aluminum Wheels will be added, One Owner Fleet Maintained Truck, Contact Sergio for more information,
ConditionUsed
Usage380,705 Miles
Duty ClassHeavy Duty Dump Truck
Horse Power400 HP
Engine ModelDetroit DD13
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End52,000 lb 2.85 ratio
Stock NumberL18352
MLS Number13738523
CategoryDump Trucks
Last Updated8/3/2025
Location
Fontana, CA, US
Sold By

TCI Transportation

Freightliner Cascadia 125 Dump Truck - Cummins 400HP, 12 Speed Smart Advantage Automatic, 13' Dump
58 0

2019 Freightliner Cascadia 125 Dump Truck - Cummins 400HP, 12 Speed Smart Advantage Automatic, 13' Dump

$59,500 USD
CLEAN FLEET MAINTAINED FREIGHTLINER CASCADIA 125! CUMMINS X15 POWER WITH EATON FULLER ADVANTAGE 10 SPEED AUTOMATIC!! BRAND NEW 13'X56" DUMP BED, NEW PTO, TANK, TARP, 18 CU YARD CAPACITY,...
ConditionUsed
Usage502,954 Miles
Duty ClassHeavy Duty Dump Truck
Bed Length13 ft.
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Smart Advantage Automatic
SuspensionAirLiner
Rear AxleTandem Axle
Rear End40,000 lb 3.42 ratio
Stock Number7001
MLS Number13716848
CategoryDump Trucks
Last Updated7/24/2025
Location
Houston, TX, US
Sold By

Southern Truck Sales Ltd

Freightliner Cascadia 125 Dump Truck - Cummins 400HP, 12 Speed Smart Advantage Automatic, 13' Dump
32 0

2019 Freightliner Cascadia 125 Dump Truck - Cummins 400HP, 12 Speed Smart Advantage Automatic, 13' Dump

$59,500 USD
CLEAN FLEET MAINTAINED FREIGHTLINER CASCADIA 125! CUMMINS X15 POWER WITH EATON FULLER ADVANTAGE 10 SPEED AUTOMATIC!! BRAND NEW 13'X56" DUMP BED, NEW PTO, TANK, TARP, 18 CU YARD CAPACITY,...
ConditionUsed
Usage507,719 Miles
Duty ClassHeavy Duty Dump Truck
Bed Length13 ft.
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Smart Advantage Automatic
SuspensionAirLiner
Rear AxleTandem Axle
Rear End40,000 lb 3.42 ratio
Stock Number6999
MLS Number13685259
CategoryDump Trucks
Last Updated7/24/2025
Location
Houston, TX, US
Sold By

Southern Truck Sales Ltd

Mack Pinnacle 64T Dump Truck - MP8 505HP, 12 Speed M Drive Automatic, 15' Dump
55 0

2023 Mack Pinnacle 64T Dump Truck - MP8 505HP, 12 Speed M Drive Automatic, 15' Dump

$119,500 USD
CLEAN 2023 MACK PINNACLE 64T GOLD DOG!! MACK MP8 455HP!! 12 SPEED AUTOMATIC MDRIVE!! 3.56 REAR RATIO!! 224 WHEELBASE!! ALUMINUM 24.5!! DUAL EXHAUST!! DIF LOCK!! BRAND NEW 15'X48" DUMP BED,...
ConditionUsed
Usage326,450 Miles
Duty ClassHeavy Duty Dump Truck
Bed Length15 ft.
Horse Power455 HP
Engine ModelMack MP8
Drivetrain6x4
Transmission12 Speed mDRIVE Automatic
SuspensionMack mRIDE
Rear AxleTandem Axle
Rear End40,000 lb 3.56 ratio
Stock Number7024
MLS Number13698606
CategoryDump Trucks
Last Updated7/22/2025
Location
Houston, TX, US
Sold By

Southern Truck Sales Ltd

Freightliner Cascadia 125 Dump Truck - Detroit 450HP, 12 Speed Dt12 Automatic, 14' Dump
54 0

2018 Freightliner Cascadia 125 Dump Truck - Detroit 450HP, 12 Speed Dt12 Automatic, 14' Dump

$64,500 USD
CLEAN FLEET MAINTAINED FREIGHTLINER CASCADIA 125! LOW MILES!! DD13 POWER WITH DETROIT DT12 - 12 SPEED!! BRAND NEW 14'X56" DUMP BED, NEW PTO, TANK, TARP, 19 CU YARD CAPACITY, VIRGIN RUBBER!...
ConditionUsed
Usage255,683 Miles
Duty ClassHeavy Duty Dump Truck
Bed Length14 ft.
Horse Power450 HP
Engine ModelDetroit DD13
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automatic
SuspensionAirLiner
Rear AxleTandem Axle
Rear End40,000 lb 3.25 ratio
Stock Number6990
MLS Number13707506
CategoryDump Trucks
Last Updated7/24/2025
Location
Houston, TX, US
Sold By

Southern Truck Sales Ltd

Freightliner Cascadia 126 Dump Truck - Detroit 450HP, 12 Speed Dt12 Automatic, 18' Dump
5 0

2018 Freightliner Cascadia 126 Dump Truck - Detroit 450HP, 12 Speed Dt12 Automatic, 18' Dump

$129,900 USD
Brand New Dump Truck Conversion, New Dump Bed and Entire System, Aluminum Wheels will be added, One Owner Fleet Maintained Truck, Contact Ed Gibbs for more information,
ConditionUsed
Usage384,000 Miles
Duty ClassHeavy Duty Dump Truck
Bed Length18 ft.
Horse Power450 HP
Engine ModelDetroit DD13
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End52,000 lb
Stock Number18352
MLS Number13690365
CategoryDump Trucks
Last Updated7/13/2025
Location
Phoenix, AZ, US
Sold By

TCI Transportation

Peterbilt 579 Dump Truck - Cummins 450HP, 12 Speed Automatic
49 0

2021 Peterbilt 579 Dump Truck - Cummins 450HP, 12 Speed Automatic

$69,500 USD
FLEET MAINTAINED PETERBILT 579, BRAND NEW 14'X56" DUMP BED, NEW PTO, TANK, TARP, 19 CU YARD CAPACITY, CUMMINS X15 POWERED, 12 SPD AUTOMATIC TRANSMISSION, NEW VIRGIN RUBBER! Please visit our...
ConditionUsed
Usage487,394 Miles
Duty ClassHeavy Duty Dump Truck
Bed Length14 ft.
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.79 ratio
Stock Number6916
MLS Number13690363
CategoryDump Trucks
Last Updated7/12/2025
Location
Houston, TX, US
Sold By

Southern Truck Sales Ltd

Freightliner Cascadia 126 Dump Truck - Detroit 470HP, 12 Speed Dt12 Automatic, 18' Dump
5 0

2019 Freightliner Cascadia 126 Dump Truck - Detroit 470HP, 12 Speed Dt12 Automatic, 18' Dump

$145,000 USD
Brand New Build, On a 2019 Low Mile Chassis, Complete New Dump System and Tarp, For More Information, Contact: Ed Gibbs,
Quantity2
ConditionUsed
Usage195,000 Miles
Duty ClassHeavy Duty Dump Truck
Bed Length18 ft.
Horse Power470 HP
Engine ModelDetroit DD13
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.23 ratio
Stock Number2647
MLS Number13663100
CategoryDump Trucks
Last Updated7/13/2025
Location
Phoenix, AZ, US
Sold By

TCI Transportation

Volvo VHD64B200 Dump Truck - D13 455HP, 12 Speed I Shift Automatic, 21' Dump
43 1

2019 Volvo VHD64B200 Dump Truck - D13 455HP, 12 Speed I Shift Automatic, 21' Dump

Contact for price
FRONT AXLE SPACING "SPREAD" 72" Make dump boxBIBEAU, Dump box dimension21'6", Dump box model21-6X36X54, Dump box typeCONSTRUCTION, Side wall36", Dump box serial #25287-1, Door54", Door...
ConditionUsed
Usage15,970 Hours
Duty ClassHeavy Duty Dump Truck
Upfit MakeBibeau
Bed Length21 ft.
Horse Power455 HP
Engine ModelVolvo D13
Drivetrain6x4
Transmission12 Speed I Shift Automatic
SuspensionVolvo T-Ride
Rear AxleTandem Axle
Rear End46,000 lb 3.73 ratio
Stock NumberC-36466
MLS Number13611965
CategoryDump Trucks
Last Updated5/29/2025
Location
Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By

Gamache Truck Center

Freightliner Cascadia 125 Dump Truck - Detroit 450HP, 12 Speed Dt12 Automatic
18 0

2018 Freightliner Cascadia 125 Dump Truck - Detroit 450HP, 12 Speed Dt12 Automatic

$128,000 USD
2018 Freightliner Cascadia 125 Day Cab Dump Truck – 258K Miles – Clean, Tough Ready to Roll Fleet-maintained Cascadia 125 day cab set up as a dump truck. Low miles, strong presence, and...
ConditionUsed
Usage258,197 Miles
Duty ClassHeavy Duty Dump Truck
Horse Power450 HP
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb
Stock NumberL18336
MLS Number13517650
CategoryDump Trucks
Last Updated7/13/2025
Location
Humble, TX, US
Sold By

TCI Transportation

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