12 Speed Automatic Tri Axle Dump Trucks For Sale

(480) 995-___ SHOW
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2019 Freightliner Cascadia 126 Tri Axle Dump Truck - Detroit 470HP, 12 Speed Dt12 Automatic, 18' Dump

$128,000 USD

Brand New Build on a 2019 Low Mile Chassis, Complete New Dump Bed and System, Contact Ed Gibbs for more information,

Condition	Used
Usage	299,000 Miles
Duty Class	Heavy Duty Dump Truck
Bed Length	18 ft.
Horse Power	470 HP
Engine Model	Detroit DD13
Drivetrain	8x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	40,000 lb 3.08 ratio
MLS Number	13786524
Category	Dump Trucks
Last Updated	1/7/2026
Location	Phoenix, AZ, US
Sold By	TCI Transportation

(855) 807-___ SHOW
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2018 Peterbilt 579 Tri Axle Dump Truck - Paccar 455HP, 12 Speed Endurant Automatic, 16' Dump

$74,500 USD

CLEAN FLEET MAINTAINED PETERBILT 579 TRI AXLE DUMP TRUCK, PACCAR MX-13 455HP, 12 SPEED AUTOMATIC, NEW 16.5' X 57" HALF ROUND DUMP BED, 22 CU YARD CAPACITY, NEW PTO, TANK, TARP, 13,000 LBS...

Condition	Used
Usage	453,726 Miles
Duty Class	Heavy Duty Dump Truck
Bed Length	16 ft.
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	8x4
Transmission	12 Speed Endurant Automatic
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	53,000 lb 3.08 ratio
Stock Number	6908
MLS Number	13786823
Category	Dump Trucks
Last Updated	12/23/2025
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(844) 305-___ SHOW
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2025 Mack Granite 64FR Tri Axle Dump Truck - MP8 455HP, 12 Speed M Drive Automatic, 16' Dump

$219,900 USD

Triaxle, 16' Logan Steel Dump w/60" Sides, High Lift Gate, MP8 Mack 455 HP, mDRIVE Mack 12 Speed, 4.19 Ratio, 3 Stage Engine Brake, Camelback, Double Frame, 20K FA, 44K RA, 20K Pusher, 230"...

Condition	Used
Usage	526 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Logan
Bed Length	16 ft.
Horse Power	455 HP
Engine Model	Mack MP8
Transmission	12 Speed mDRIVE Automatic
Suspension	Camelback
Rear Axle	Tri Axle
Stock Number	SM044658
MLS Number	13703312
Category	Dump Trucks
Last Updated	12/4/2025
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(833) 490-___ SHOW
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2022 Mack Granite Dump Truck, Zero Down WAC, Financing Available, Lease Maintained

$178,000 USD

Introducing the 2022 Mack GR84F Dump Truck, a powerhouse equipped with a robust MP8 Engine delivering 445 Horsepower and a smooth mDrive Transmission. This tri-axle beast features a durable...

Condition	Used
Usage	158,918 Miles
Duty Class	Heavy Duty Dump Truck
Bed Length	16 ft.
Horse Power	445 HP
Engine Model	Mack MP8
Drivetrain	8x4
Transmission	12 Speed mDRIVE Automatic
Suspension	Camelback
Rear Axle	Tri Axle
Rear End	44,000 lb 3.79 ratio
Stock Number	U002440
MLS Number	13844761
Category	Dump Trucks
Last Updated	11/25/2025
Location	Springfield, MO, US
Sold By	Tri State Truck Center - Springfield, MO

(480) 995-___ SHOW
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Tri State Truck Center - Springfield, MO

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

$109,000 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,

Condition	Used
Usage	384,000 Miles
Duty Class	Heavy Duty Dump Truck
Bed Length	18 ft.
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	52,000 lb
Stock Number	18352
MLS Number	13690365
Category	Dump Trucks
Last Updated	11/13/2025
Location	Phoenix, AZ, US
Sold By	TCI Transportation

(844) 481-___ SHOW
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2017 Mack Granite GU713 Tri Axle Dump Truck - MP8-455M 455HP, 12 Speed M Drive Automatic

Contact for price

*************just sold*********** , ~service history listed in service logs below~ SHIPPING AVAILABLE,

Condition	Used
Usage	427,212 Miles
Duty Class	Heavy Duty Dump Truck
Horse Power	455 HP
Engine Model	Mack MP8-455M
Drivetrain	8x4
Transmission	12 Speed mDRIVE Automatic
Suspension	Camelback
Rear Axle	Tri Axle
Rear End	44,000 lb
MLS Number	13910895
Category	Dump Trucks
Last Updated	10/25/2025
Location	Jackson, TN, US
Sold By	Snider Equipment

(855) 804-___ SHOW
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2026 Mack Granite 84FR Tri Axle Dump Truck - MP8-445 455HP, 12 Speed M Drive Automatic, 17.5' Dump

$239,900 USD

2026 Mack GR84F --- Tri Axle, MP8 Mack 455 HP, MDrive Automatic, 4.19 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 236" Wheelbase, 22' Bridge, Camelback, Double Frame, 3 Stage Engine Brake,...

Quantity	4
Condition	New
Usage	1,025 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	17.5
Horse Power	455 HP
Engine Model	Mack MP8-445
Drivetrain	8x4
Transmission	12 Speed mDRIVE Automatic
Suspension	Camelback
Rear Axle	Tri Axle
Rear End	46,000 lb 4.19 ratio
Stock Number	007122
MLS Number	13655145
Category	Dump Trucks
Last Updated	9/26/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(833) 490-___ SHOW
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2020 Mack Granite 64FR Dump Truck, DOT Passing , Used Truck Inspected , Zero Down Financing WAC, Warranty Options

$169,995 USD

For sale is a 2020 Mack GR64F Tandem Axle dump truck, powered by a robust MP7 Engine with 425 Horsepower. This truck features an mDrive Transmission for smooth operation and a durable...

Condition	Used
Usage	155,276 Miles
Duty Class	Heavy Duty Dump Truck
Bed Length	16 ft.
Horse Power	425 HP
Engine Model	Mack MP7
Drivetrain	6x4
Transmission	12 Speed mDRIVE Automatic
Suspension	Camelback
Rear Axle	Tri Axle
Rear End	44,000 lb 3.79 ratio
Stock Number	U010702
MLS Number	13845654
Category	Dump Trucks
Last Updated	12/28/2025
Location	Springfield, MO, US
Sold By	Tri State Truck Center - Springfield, MO