12 Speed Automatic Dump Trucks For Sale

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

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

$128,000 USD

Brand New Dump Bed and System, Nice truck, One Owner, Contact ED Gibbs for details,

Condition	Used
Usage	299,971 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
Stock Number	2664
MLS Number	14020340
Category	Dump Trucks
Last Updated	1/8/2026
Location	Phoenix, AZ, US
Sold By	TCI Transportation

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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2020 Freightliner Cascadia 125 Dump Truck - Detroit 450HP, 12 Speed Dt12 Automatic

$64,500 USD

CLEAN FLEET MAINTAINED, 2020 FREIGHTLINER CASC 125 DUMP TRUCK, DD15 POWERED, 455HP, DT12 AUTO TRANSMISSION, BRAND NEW 14'X57" DUMP BED, NEW PTO, TANK, TARP, 19 CU YARD CAPACITY. AIR LINER...

Condition	Used
Usage	336,970 Miles
Duty Class	Heavy Duty Dump Truck
Horse Power	450 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.47 ratio
Stock Number	7141
MLS Number	14049593
Category	Dump Trucks
Last Updated	12/19/2025
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(855) 804-___ SHOW
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2017 Mack Granite GU713 Quad Axle Dump Truck - MP8 455HP, 12 Speed M Drive Automatic, 17.5' Dump

$129,900 USD

2017 Mack GU713 --- Quad Axle, MP8 Mack 455 HP, MDrive Automatic 12 SPEED, 4.19 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 254" Wheelbase, 23' 4" Bridge, M RIDE, 2 Stage Engine Brake, Air...

Condition	Used
Usage	368,397 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Hilbilt
Bed Length	18 ft.
Horse Power	455 HP
Engine Model	Mack MP8
Drivetrain	10x4
Transmission	12 Speed mDRIVE Automatic
Suspension	Mack mRIDE
Rear Axle	Quad Axle
Rear End	46,000 lb 4.19 ratio
Stock Number	036954
MLS Number	14049586
Category	Dump Trucks
Last Updated	12/19/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(855) 807-___ SHOW
NUMBERCall Seller

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
NUMBERCall Seller

2022 Mack Granite 104FR Quad Axle Dump Truck - MP8 505HP, 12 Speed M Drive Automatic, 19.5' Dump

$185,900 USD

Quad Axle, MP8 Mack 505 HP, MDrive Automatic 12 Speed, 3.98 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 270" Wheelbase, 24' 7" Bridge, Camelback, Double Frame, 3 Stage Engine Brake, Air...

Condition	Used
Usage	197,256 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	19.5
Horse Power	505 HP
Engine Model	Mack MP8
Transmission	12 Speed mDRIVE Automatic
Suspension	Camelback
Rear Axle	Quad Axle
Rear End	3.98 ratio
Stock Number	NM001850
MLS Number	13310527
Category	Dump Trucks
Last Updated	12/4/2025
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(844) 305-___ SHOW
NUMBERCall Seller

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
NUMBERCall Seller

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

(323) 712-___ SHOW
NUMBERCall Seller

Tri State Truck Center - Springfield, MO

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

$144,900 USD

Brand New Build, On a 2019 Low Mile Chassis, Complete New Dump System and Tarp, For More Information call: Martha Servin,

Condition	Used
Usage	355,023 Miles
Duty Class	Heavy Duty Dump Truck
Bed Length	18 ft.
Horse Power	470 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	2664
MLS Number	13965826
Category	Dump Trucks
Last Updated	11/13/2025
Location	Los Angeles, CA, US
Sold By	TCI Transportation

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

(702) 452-___ SHOW
NUMBERCall Seller

2018 Freightliner Cascadia 125 Dump Truck - Detroit 400HP, 12 Speed Dt12 Automatic, 18' Dump

$109,900 USD

Unit is ready to go!,

Condition	Used
Usage	383,872 Miles
Duty Class	Heavy Duty Dump Truck
Bed Length	18 ft.
Horse Power	400 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	L18352
MLS Number	13951185
Category	Dump Trucks
Last Updated	11/13/2025
Location	North Las Vegas, NV, 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

(323) 712-___ SHOW
NUMBERCall Seller

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

$109,900 USD

Unit is ready to go! Call: Martha Servin,

Condition	Used
Usage	383,872 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	Tandem Axle
Rear End	40,000 lb
Stock Number	L18352
MLS Number	13630604
Category	Dump Trucks
Last Updated	11/13/2025
Location	Los Angeles, CA, US
Sold By	TCI Transportation

(855) 804-___ SHOW
NUMBERCall Seller

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
NUMBERCall Seller

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

(833) 300-___ SHOW
NUMBERCall Seller

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,...

Condition	Used
Usage	9,411 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Bibeau
Bed Length	21 ft.
Horse Power	500 HP
Engine Model	Volvo D13
Drivetrain	6x4
Transmission	12 Speed I Shift Automatic
Suspension	Hendrickson
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.73 ratio
Stock Number	C-36720
MLS Number	13749517
Category	Dump Trucks
Last Updated	8/8/2025
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

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,

Quantity	2
Condition	Used
Usage	195,000 Miles
Duty Class	Heavy Duty Dump Truck
Bed Length	18 ft.
Horse Power	470 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	2647
MLS Number	13663100
Category	Dump Trucks
Last Updated	11/13/2025
Location	Phoenix, AZ, US
Sold By	TCI Transportation

(833) 300-___ SHOW
NUMBERCall Seller

2012 Volvo VHD124B200 Dump Truck - D13 500HP, 12 Speed M Drive Automatic

Contact for price

172185 Miles, Engine: VOLVO D13, 500 HP, 12 Speed M Drive Automatic Transmission, Wheels: All Aluminum, Wheel Base: 228, Tandem Rear Axles, Front Axle Weight: 22000 lb, Rear Axle Weight:...

Condition	Used
Usage	172,185 Miles
Duty Class	Heavy Duty Dump Truck
Horse Power	500 HP
Engine Model	Volvo D13
Transmission	12 Speed mDRIVE Automatic
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	Pub-399
MLS Number	13461750
Category	Dump Trucks
Last Updated	6/5/2025
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

(833) 300-___ SHOW
NUMBERCall Seller

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...

Condition	Used
Usage	15,970 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Bibeau
Bed Length	21 ft.
Horse Power	455 HP
Engine Model	Volvo D13
Drivetrain	6x4
Transmission	12 Speed I Shift Automatic
Suspension	Volvo T-Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.73 ratio
Stock Number	C-36466
MLS Number	13611965
Category	Dump Trucks
Last Updated	5/29/2025
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center