12 Speed Automatic Tri Axle 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

(323) 712-___ SHOW
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2020 Freightliner Cascadia 126 Tri Axle Day Cab Truck - Detroit 470HP, 12 Speed Dt12 Automatic

Contact for price

like new, tri axle tractor - just off lease, call: martha servin,

Condition	Used
Usage	94,318 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	470 HP
Engine Model	Detroit DD13
Drivetrain	8x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	Hendrickson
Rear Axle	Tri Axle
Rear End	40,000 lb
Stock Number	L20800
MLS Number	14068529
Category	Day Cab Semi Trucks
Last Updated	1/3/2026
Location	Los Angeles, CA, US
Sold By	TCI Transportation

(323) 712-___ SHOW
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2020 Freightliner Cascadia 126 Tri Axle Day Cab Truck - Detroit 470HP, 12 Speed Dt12 Automatic

Contact for price

like new, please call Martha Servin,

Condition	Used
Usage	94,318 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	470 HP
Engine Model	Detroit DD13
Drivetrain	8x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	Hendrickson
Rear Axle	Tri Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	L20800
MLS Number	14054088
Category	Day Cab Semi Trucks
Last Updated	12/20/2025
Location	Commerce, CA, 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) 708-___ SHOW
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2015 Volvo VNL62T630 Tri Axle Sleeper Semi Truck - Mid Roof Sleeper, D13J455 455HP, 12 Speed I Shift Automatic

$45,000 USD

2015 Volvo VNL630, 415,155 miles, D13 12.8 Liter - 455 HP Engine, Automatic 12 Speed Trans, GVWR 64,200#, 245" Wheelbase, Sliding 5th Wheel, Wet Kit, Steerable 13000# Drop Axle, Aluminum...

Condition	Used
Usage	415,155 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Volvo D13J455
Drivetrain	8x4
Transmission	12 Speed I Shift Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	38,000 lb 2.47 ratio
Stock Number	SBA1190
MLS Number	13764358
Category	Sleeper Semi Trucks
Last Updated	12/10/2025
Location	Cedar City, UT, US
Sold By	SellBuyAuction

(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

(855) 807-___ SHOW
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2025 Peterbilt 567 Tri Axle Roll Off Truck - Cummins, 525HP, 12 Speed Endurant Automatic

$254,500 USD

NEW 75,000 LB HOIST AND TARP SYSTEM!! CLEAN LIKE NEW 2025 PETERBILT 567 ROLL OFF!!, FACTORY WARRANTY FROM IN SERVICE DATE 2 YEAR 250K ON ENGINE, 5 YEAR 100,000 LIMITED BASE EMISSIONS....

Condition	Used
Usage	91,419 Miles
Duty Class	Heavy Duty Roll Off Truck
Horse Power	525 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	12 Speed Endurant Automatic
Suspension	Air Trac
Rear Axle	Tri Axle
Rear End	59,500 lb 3.73 ratio
Stock Number	7056 RO
MLS Number	13816748
Category	Roll Off Trucks
Last Updated	11/25/2025
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(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

(702) 452-___ SHOW
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Tri State Truck Center - Springfield, MO

2020 Freightliner Cascadia 126 Tri Axle Day Cab Truck - Detroit 470HP, 12 Speed Dt12 Automatic

Contact for price

Excellent condition ready for deliver

Quantity	2
Condition	Used
Usage	125,576 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	470 HP
Engine Model	Detroit DD13
Drivetrain	8x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	Hendrickson RT
Rear Axle	Tri Axle
Stock Number	L20801
MLS Number	13957871
Category	Day Cab Semi Trucks
Last Updated	11/13/2025
Location	North Las Vegas, NV, US
Sold By	TCI Transportation

(480) 995-___ SHOW
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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

(909) 775-___ SHOW
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2020 Freightliner Cascadia 126 Tri Axle Day Cab Truck - Detroit 470HP, 12 Speed Dt12 Automatic

Contact for price

Have this triaxle freightliner ready to hit the road please contact Sergio if you need more information,

Quantity	2
Condition	Used
Usage	125,576 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	470 HP
Engine Model	Detroit DD13
Drivetrain	8x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	20801
MLS Number	13961755
Category	Day Cab Semi Trucks
Last Updated	11/13/2025
Location	Fontana, CA, 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
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
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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