Used Heavy Duty 6 Speed Tri Axle Dump Trucks For Sale

1 - 25 of 130 listings

2018 Kenworth T370 Tri Axle Dump Truck - Paccar 350HP, 6 Speed Allison Rds Automatic, 16' Dump

$115,900 USD

Triaxle, 16' Rhodes Steel Dump w/38" Sides, PX9 Paccar 350 HP, Allison Automatic 6 Speed, 5.57 Ratio, 3 Stage Engine Brake, Chalmers, 16K FA, 40K RA, Steerable L/A, 216" WB, 20'3" Bridge,...

Condition	Used
Usage	10,006 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Rhodes
Bed Length	16 ft.
Horse Power	350 HP
Engine Model	Paccar PX9
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	5.57 ratio
Stock Number	JM226426
MLS Number	14399413
Category	Dump Trucks
Last Updated	7/1/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(844) 305-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2026 Kenworth T880 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Rds Automatic, 16' Dump

2013 Western Star 4700 Tri Axle Dump Truck - Detroit 470HP, 6 Speed Allison Rds Automatic

Newly Listed

Contact for price

Installed option, SPREAD ESSIEUX AVANT: 101", AVERTISSEUR DE BENNE LEVÉ,

Condition	Used
Usage	517,461 Miles
Duty Class	Heavy Duty Dump Truck
Horse Power	470 HP
Engine Model	Detroit DD13
Transmission	6 Speed Allison RDS Automatic
Suspension	AirLiner
Rear Axle	Tri Axle
Rear End	46,000 lb 4.89 ratio
Stock Number	C-37613
MLS Number	14463819
Category	Dump Trucks
Last Updated	7/2/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

(833) 300-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2026 Kenworth T880 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Rds Automatic, 16' Dump

Newly Listed

$239,900 USD

Tri Axle, X15 Cummins 500 HP, Allison Automatic 6 Speed, 4.56 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 214" Wheelbase, 20' Bridge, Chalmers, Double Frame, 3 Stage Engine Brake, Air Brake,...

Condition	Used
Usage	24,578 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Logan
Bed Length	16 ft.
Horse Power	500 HP
Engine Model	Cummins X15
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	4.56 ratio
Stock Number	TJ198099
MLS Number	14463782
Category	Dump Trucks
Last Updated	7/2/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(844) 305-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2026 Kenworth T880 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Rds Automatic, 16' Dump

Newly Listed

$239,900 USD

2026 Kenworth T880 --- Tri Axle, X15 Cummins 500 HP, Allison Automatic 6 Speed, 4.56 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 214" Wheelbase, 20' Bridge, Chalmers, 3 Stage Engine Brake,...

Condition	Used
Usage	893 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Logan
Bed Length	16 ft.
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	198099
MLS Number	14463683
Category	Dump Trucks
Last Updated	7/2/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(855) 804-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

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

2023 Kenworth T880 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Rds Automatic, 17' Dump

Newly Listed

$179,095 USD

2023 KENWORTH T880 DAY CAB, ======================================== VIN: 1NKZX4EX3PJ261559, Stock/Chassis: 261559, Build Date: 10/03/22 ENGINE DRIVETRAIN, -----------------...

Condition	Used
Usage	123,000 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	17 ft.
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	AG 460
Rear Axle	Tri Axle
Rear End	59,200 lb 4.30 ratio
Stock Number	KN223154A
MLS Number	14459714
Category	Dump Trucks
Last Updated	7/1/2026
Location	Baltimore, MD, US
Sold By	All Roads Trucks

(855) 984-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2022 Kenworth T800 Tri Axle Dump Truck - Cummins 450HP, 6 Speed Allison Rds Automatic

Contact for price

Installed option, EXTENDED CAB, FRONT AXLE SPACING ''SPREAD'': 107'',

Condition	Used
Usage	9,736 Hours
Duty Class	Heavy Duty Dump Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson
Rear Axle	Tri Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	C-37457
MLS Number	14454930
Category	Dump Trucks
Last Updated	6/30/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

(833) 300-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2009 Sterling LT9500 Tri Axle Dump Truck - Mercedes-Benz 450HP, 6 Speed Allison Rds Automatic

Contact for price

494903 Miles, Engine: MERCEDES-BENZ MBE4000, 450 HP, 6 Speed Allison RDS Automatic Transmission, AirLiner Suspension, Wheels: All Aluminum, Wheel Base: 244, Tri Rear Axles, Front Axle Weight...

Condition	Used
Usage	494,903 Miles
Duty Class	Heavy Duty Dump Truck
Horse Power	450 HP
Engine Model	MBE4000
Transmission	6 Speed Allison RDS Automatic
Suspension	AirLiner
Rear Axle	Tri Axle
Rear End	46,000 lb 4.89 ratio
Stock Number	C-37526
MLS Number	14454929
Category	Dump Trucks
Last Updated	6/27/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

(833) 300-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2019 Kenworth T370 Tri Axle Dump Truck - Paccar 350HP, 6 Speed Allison Rds Automatic, 16' Dump

$119,900 USD

2019 Kenworth T370 --- Tri Axle, PX-9 Paccar 350 HP, Allison Automatic 6 Speed, 5.57 Ratio, 16,000 Front Axle, 40,000 Rear Axle, 218" Wheelbase, 20' 2" Bridge, Chalmers, 3 Stage Engine Brake...

Condition	Used
Usage	91,709 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	16 ft.
Horse Power	350 HP
Engine Model	Paccar PX9
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	40,000 lb 5.57 ratio
Stock Number	238926
MLS Number	14418713
Category	Dump Trucks
Last Updated	6/27/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(855) 804-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2007 Freightliner M2 106 Tri Axle Dump Truck - Mercedes-Benz 280HP, 6 Speed Allison Rds Automatic, 16' Dump

$54,950 USD

2007 Freightliner Business Class M2 106 Tri Axle Dump Truck that has a Mercedes Benz diesel motor, Allison auto trans, and only shows 152k miles. The truck is equipped with: 16 foot...

Condition	Used
Usage	8,488 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Bed Length	16 ft.
Horse Power	280 HP
Engine Model	MBE906
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	TufTrac
Rear Axle	Tri Axle
Rear End	40,000 lb 5.86 ratio
Stock Number	CO11451
MLS Number	14384081
Category	Dump Trucks
Last Updated	7/4/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(866) 579-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2020 Peterbilt 567 Tri Axle Dump Truck - Paccar 430HP, 6 Speed Allison Rds Automatic, 17' Dump

$139,900 USD

2020 Peterbilt 567 --- Tri Axle, MX-11 PACCAR 430 HP, Allison Automatic 6 Speed, 20,000 Front Axle, 46,000 Rear Axle, 226" Wheelbase, 22' Bridge, HaulMaax, 3 Stage Engine Brake, Air Brake,...

Condition	Used
Usage	10,200 Hours
Duty Class	Heavy Duty Dump Truck
Bed Length	17 ft.
Horse Power	430 HP
Engine Model	Paccar MX-11
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Tri Axle
Rear End	46,000 lb
Stock Number	718619
MLS Number	14068108
Category	Dump Trucks
Last Updated	6/27/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(855) 804-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2020 Peterbilt 567 Tri Axle Dump Truck - Paccar 430HP, 6 Speed Allison Rds Automatic, 17' Dump

$139,900 USD

2020 Peterbilt 567 --- Tri Axle, MX-11 PACCAR 430 HP, Allison Automatic 6 Speed, 20,000 Front Axle, 46,000 Rear Axle, 226" Wheelbase, 22' Bridge, HaulMaax, 3 Stage Engine Brake, Air Brake,...

Condition	Used
Usage	252,862 Miles
Duty Class	Heavy Duty Dump Truck
Bed Length	17 ft.
Horse Power	430 HP
Engine Model	Paccar MX-11
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Tri Axle
Rear End	46,000 lb
Stock Number	718630
MLS Number	14068074
Category	Dump Trucks
Last Updated	6/27/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(855) 804-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2018 International HX Tri Axle Dump Truck - Cummins 485HP, 6 Speed Allison Rds Automatic

$89,500 USD

2018 INTERNATIONAL HX620 TRIAXLE DUMPTRUCK, CUMMINS X15 485, ALLISON RDS 4500 6 SPD AUTOMATIC TRANSMISSION!!, 210 wheelbase STEEL BED, 20K FRONTS, 46K REARS, HENDRICKSON SUSPENSION, ...

Condition	Used
Usage	379,401 Miles
Duty Class	Heavy Duty Dump Truck
Horse Power	485 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	66,000 lb
MLS Number	14453161
Category	Dump Trucks
Last Updated	6/30/2026
Location	Jackson, TN, US
Sold By	Snider Equipment

(844) 481-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2019 Western Star 4700 Tri Axle Dump Truck - Detroit 505HP, 6 Speed Allison Rds Automatic

$154,500 USD

This 2019 Western Star 4700 is powered by a 505 HP Detroit DD13 engine paired with an Allison 4500RDS automatic transmission. It features a 20,000 lb front axle, 46,000 lb rear axles with...

Condition	Used
Usage	271,930 Miles
Duty Class	Heavy Duty Dump Truck
Horse Power	505 HP
Engine Model	Detroit DD13
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson
Rear Axle	Tri Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	83860
MLS Number	14453082
Category	Dump Trucks
Last Updated	6/26/2026
Location	Bangor, ME, US
Sold By	Freightliner of Maine

(833) 932-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2021 Kenworth T880 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Rds Automatic, 16' Dump

$174,900 USD

Tri Axle, X15 Cummins 500 HP, Allison Automatic 6 Speed, 4.56 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 216" Wheelbase, 20' 3" Bridge, Chalmers, Double Frame, 3 Stage Engine Brake, Air...

Condition	Used
Usage	227,456 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Bed Length	16 ft.
Horse Power	500 HP
Engine Model	Cummins X15
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	4.56 ratio
Stock Number	MJ453515
MLS Number	14452920
Category	Dump Trucks
Last Updated	7/1/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(844) 305-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2023 Kenworth T880 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Rds Automatic, 16' Dump

$189,900 USD

Tri Axle, X15 Cummins 500 HP, Allison Automatic 6 Speed, 4.56 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 214" Wheelbase, 20' 1" Bridge, Chalmers, Double Frame, 3 Stage Engine Brake, Air...

Condition	Used
Usage	194,014 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Bed Length	16 ft.
Horse Power	500 HP
Engine Model	Cummins X15
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	4.56 ratio
Stock Number	PJ263202
MLS Number	14452918
Category	Dump Trucks
Last Updated	7/1/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(844) 305-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2023 Kenworth T880 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Hs Automatic, 16' Dump

$189,900 USD

2023 Kenworth T880 --- Tri Axle, X15 Cummins 500 HP, Allison Automatic 6 Speed, 4.56 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 214" Wheelbase, 20' 1" Bridge, Chalmers, Double Frame, 3...

Condition	Used
Usage	194,014 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Bed Length	16 ft.
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison HS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	263202
MLS Number	14450839
Category	Dump Trucks
Last Updated	6/26/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(855) 804-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2019 Freightliner 114SD Tri-axle Dump Truck - Logan 16 FT Demo Dump Body

Price Drop $139,900 USD

SUPER CLEAN 2019 505HP Freightliner 114SD Tri-axle Dump Truck Freshly reconditioned and custom-painted Freightliner cab in stunning Black Sable Metallic! , Engine: Detroit DD13, 505HP , ...

Condition	Used
Usage	253,005 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Type	Dump Body
Upfit Make	Logan
Upfit Model	16 FT
Bed Length	16 ft.
Horse Power	505 HP
Engine Model	Detroit DD13
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Tri Axle
Rear End	4.63 ratio
Stock Number	267987
MLS Number	14363150
Category	Dump Trucks
Last Updated	6/25/2026
Location	Tampa, FL, US
Sold By	Southport Truck Group

(833) 986-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2022 Kenworth T370 Tri Axle Dump Truck - Paccar 360HP, 6 Speed Allison Rds Automatic, 16' Dump

$129,900 USD

Triaxle, 16' Ox Steel Dump w/42" Sides, PX9 Paccar 360 HP, Allison Automatic 6 Speed, 5.57 Ratio, 3 Stage Engine Brake, Chalmers, 16K FA, 40K RA, 13,500 Steerable L/A, 219" WB, 20'6" Bridge,...

Condition	Used
Usage	4,312 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Bed Length	16 ft.
Horse Power	360 HP
Engine Model	Paccar PX9
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	5.57 ratio
Stock Number	NF139870
MLS Number	14417707
Category	Dump Trucks
Last Updated	6/24/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(844) 305-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2023 Kenworth T880 Tri Axle Dump Truck - Paccar 445HP, 6 Speed Allison Rds Automatic, 17' Dump

Price Drop $167,000 USD

Transfer this unit to your nearest South Florida location at no additional cost! Fort Lauderdale, Fort Pierce, Riviera Beach, or Naples. Contact us for details! Make / Model, Kenworth T880SH...

Condition	Used
Usage	109,286 Miles
Duty Class	Heavy Duty Dump Truck
Bed Length	17 ft.
Horse Power	445 HP
Engine Model	Paccar MX-11
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	55,000 lb 4.30 ratio
Stock Number	KF198151A
MLS Number	14229930
Category	Dump Trucks
Last Updated	6/24/2026
Location	Fort Pierce, FL, US
Sold By	All Roads Trucks

(772) 409-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2024 Mack Granite 64FR Dump Truck - Automatic

$217,000 USD

16' Hard Ox, High Lift Gate,

Condition	Used
Usage	41,855 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Horse Power	455 HP
Engine Model	Mack MP8
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Camelback
Rear Axle	Tri Axle
Rear End	46,000 lb
Stock Number	2337
MLS Number	14391399
Category	Dump Trucks
Last Updated	6/23/2026
Location	Worcester, MA, US
Sold By	Ballard Truck Center

(844) 962-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2024 Mack Granite 64FT Tri Axle Dump Truck - MP8 455HP, 6 Speed Allison Rds Automatic, 16' Dump

$224,900 USD

Tri Axle, MP8 Mack 455 HP, Allison Automatic 6 Speed, 4.19 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 226" Wheelbase, 21' Bridge, Camelback, 3 Stage Engine Brake, Air Brake, Axle ...

Condition	Used
Usage	10,729 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Bed Length	16 ft.
Horse Power	455 HP
Engine Model	Mack MP8
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Camelback
Rear Axle	Tri Axle
Rear End	46,000 lb 4.19 ratio
Stock Number	042292
MLS Number	14320693
Category	Dump Trucks
Last Updated	6/23/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(855) 804-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2007 Freightliner M2 106 Tri Axle Dump Truck - Mercedes-Benz 280HP, 6 Speed Allison Rds Automatic, 16' Dump

$54,950 USD

FOR SALE — 2007 FREIGHTLINER BUSINESS CLASS M2 106 TRI-AXLE DUMP TRUCK Fleet-maintained, work-ready, and built for serious vocational use, this 2007 Freightliner M2 106 Dump Truck is an...

Condition	Used
Usage	8,488 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Bed Length	16 ft.
Horse Power	280 HP
Engine Model	MBE906
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	TufTrac
Rear Axle	Tri Axle
Rear End	40,000 lb 5.86 ratio
Stock Number	CO11451
MLS Number	14384082
Category	Dump Trucks
Last Updated	6/27/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(844) 624-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2023 Kenworth T880 Tri Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic

$194,900 USD

2023 Kenworth T880 --- Tri Axle, X15 Cummins 565 HP, Allison Automatic 6 Speed, 4.30 Ratio, 18,740 Front Axle, 46,000 Rear Axle, 226" Wheelbase, 21' Bridge, Chalmers, Double Frame, 3 Stage...

Condition	Used
Usage	229,200 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	17.5
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	216305
MLS Number	14302887
Category	Dump Trucks
Last Updated	6/20/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(855) 804-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

Used Heavy Duty 6 Speed Tri Axle Dump Trucks For Sale

Shop Dump Trucks by Brand

Quick Filters

Showing 1 - 25 of 130 Dump Truck Listings