6 Speed Tri Axle Trucks For Sale

(844) 481-___ SHOW
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38 0

2020 Kenworth T880 Tri Axle Dump Truck - Paccar 430HP, 6 Speed Allison Rds Automatic, 16' Dump

$125,000 USD

2020 KENWORTH T880, MILEAGE: 338,163 Allison 4500RDS automatic transmission!! Paccar mx-11 engine 430 hp, 20k fronts, 44k rears, 11k pusher axle, DOUBLE FRAME, Rogers 16 ft bed,...

Condition	Used
Usage	338,163 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Rogers
Bed Length	16 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	55,000 lb 4.11 ratio
MLS Number	13877804
Category	Dump Trucks
Last Updated	10/10/2025
Location	Jackson, TN, US
Sold By	Snider Equipment

(772) 409-___ SHOW
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31 0

2025 Kenworth T480 Tri Axle Dump Truck - Paccar 330HP, 6 Speed Allison Rds Automatic, 16' Dump

$185,995 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! Model Year: 2025, Model: T480...

Condition	New
Usage	2,177 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Bed Length	16 ft.
Horse Power	330 HP
Engine Model	Paccar PX9
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson HMX460
Rear Axle	Tri Axle
Rear End	59,500 lb 5.63 ratio
Stock Number	KF182888
MLS Number	13850327
Category	Dump Trucks
Last Updated	10/14/2025
Location	Fort Pierce, FL, US
Sold By	All Roads Trucks

(844) 305-___ SHOW
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6 0

2021 Mack Granite 84FR Tri Axle Dump Truck - MP7 425HP, 6 Speed Allison Rds Automatic, 17' Dump

$149,900 USD

Triaxle, 17' Tebco Steel Dump w/52" Sides, MP7 Mack 425 HP, Allison Automatic 6 speed, 3 Stage Engine Brake, HaulMaax, 18K FA, 46K RA, 13K Steerable L/A, 228" WB, 21'1" Bridge, Diff Lock,...

Condition	Used
Usage	11,458 Hours
Duty Class	Heavy Duty Dump Truck
Bed Length	17 ft.
Horse Power	425 HP
Engine Model	Mack MP7
Transmission	6 Speed Allison RDS Automatic
Rear Axle	Tri Axle
Stock Number	MM001718
MLS Number	13849053
Category	Dump Trucks
Last Updated	10/9/2025
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(844) 962-___ SHOW
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10 0

2025 Kenworth T880 Tri Axle Dump Truck - Paccar 505HP, 6 Speed Allison Rds Automatic, 16' Dump

$229,900 USD

Low Low Miles, Remaining Factory Warranty. No FET,

Condition	Used
Usage	26,265 Miles
Duty Class	Heavy Duty Dump Truck
Bed Length	16 ft.
Horse Power	505 HP
Engine Model	Paccar MX-13
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	46,000 lb
Stock Number	34263
MLS Number	13870441
Category	Dump Trucks
Last Updated	10/7/2025
Location	Worcester, MA, US
Sold By	Ballard Truck Center

(855) 804-___ SHOW
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15 0

2021 Mack Granite 84FR Tri Axle Dump Truck - MP7 425HP, 6 Speed Allison Rds Automatic, 17' Dump

$149,900 USD

2021 Mack GRANITE 84FR --- Tri Axle, MP7 Mack 425 HP, Allison Automatic 6 Speed, 18,000 Front Axle, 46,000 Rear Axle, 228" Wheelbase, 21' 2" Bridge, Hendrickson Haulmaax, 3 Stage Engine...

Condition	Used
Usage	11,563 Hours
Duty Class	Heavy Duty Dump Truck
Bed Length	17 ft.
Horse Power	425 HP
Engine Model	Mack MP7
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Tri Axle
Rear End	46,000 lb
Stock Number	001753
MLS Number	13848822
Category	Dump Trucks
Last Updated	10/7/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(844) 962-___ SHOW
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11 0

2024 Kenworth T880 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Rds Automatic, 16' Dump

$229,500 USD

Remaining Factory Warranty,

Condition	Used
Usage	58,889 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 RDS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	46,000 lb
Stock Number	17897
MLS Number	13542049
Category	Dump Trucks
Last Updated	10/7/2025
Location	Worcester, MA, US
Sold By	Ballard Truck Center

(724) 648-___ SHOW
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14 0

2026 Peterbilt 589 Tri Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 19' Dump

$300,000 USD

NEW 2026 PETERBILT 589 DUMP TRUCK! 19'6' ALUMINUM SMOOTH SIDE DUMP BODY. POWERED WITH CUMMINS X15 ENGINE AND ALLISON 4500RDS AUTOMATIC TRANSMISSION. 20K FRONTS, 46K REARS, 20K PUSHER AXLE,...

Condition	New
Usage	1,348 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	19 ft.
Horse Power	565 HP
Engine Model	Cummins X15
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Trac
Rear Axle	Tri Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	277749
MLS Number	13523967
Category	Dump Trucks
Last Updated	10/7/2025
Location	Butler, PA, US
Sold By	Hunter Truck

(844) 962-___ SHOW
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7 0

2020 Western Star 4700 Tri Axle Dump Truck - Detroit 470HP, 6 Speed Allison Rds Automatic

$177,500 USD

18X60X66 HERITAGE BODY, New Drive Tires,

Condition	Used
Usage	152,448 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Horse Power	470 HP
Engine Model	Detroit DD13
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	1948
MLS Number	12869471
Category	Dump Trucks
Last Updated	10/7/2025
Location	Worcester, MA, US
Sold By	Ballard Truck Center

(844) 982-___ SHOW
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79 1

2015 Kenworth T800 21-Yard Dump, 445 HP / Allison Automatic / Double Frame

$111,995 USD

FOR SALE: 2015 KENWORTH T800 – TRI-AXLE DUMP TRUCK, 21-YARD ROUND BOTTOM BODY The 2015 Kenworth T800 Tri-Axle Dump Truck is a heavy-duty vocational unit engineered for high-capacity hauling...

Condition	Used
Usage	457,253 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Type	Dump Body
Upfit Make	Ox Bodies
Bed Length	16 ft.
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	68,500 lb 4.78 ratio
Capacity	110
Stock Number	441456
MLS Number	13788708
Category	Dump Trucks
Last Updated	10/6/2025
Location	Miami, FL, US
Sold By	Truck and Van Outlet

(844) 305-___ SHOW
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15 0

2021 Mack Granite 84FR Tri Axle Dump Truck - MP7 425HP, 6 Speed Allison Rds Automatic, 17' Dump

$149,900 USD

Triaxle, 17' Tebco Steel Dump w/54" Sides, High Lift Gate, MP7 Mack 425 HP, Allison Automatic 6 Speed, 3 Stage Engine Brake, HaulMaax, 18K FA, 46K RA, 13K Steerable L/A, 228" WB, 21'2"...

Condition	Used
Usage	11,563 Hours
Duty Class	Heavy Duty Dump Truck
Bed Length	17 ft.
Horse Power	425 HP
Engine Model	Mack MP7
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Tri Axle
Stock Number	MM001753
MLS Number	13848152
Category	Dump Trucks
Last Updated	10/10/2025
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(410) 465-___ SHOW
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4 0

2025 Peterbilt 567 Tri Axle Rollback Tow Truck - Cummins, 565HP, 6 Speed Allison Rds Automatic

Contact for price

2025 Peterbilt 567 Day Cab Tri-Axle White, Century 30 Series LCG (DRW-LCB), VIN: 1NPCX4EX9SD724960, Quote Identifier: Pete of Atlanta QUO-1082419-J8P2C4, 2025 White Peterbilt Model 567...

Condition	New
Usage	22 Miles
Duty Class	Heavy Duty Rollback Tow Truck
Bed Length	28 ft.
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Neway
Rear Axle	Tri Axle
Rear End	59,500 lb
Stock Number	C1732-R1312
MLS Number	13534083
Category	Rollback Tow Trucks
Last Updated	10/4/2025
Location	Ellicott City, MD, US
Sold By	All Roads Trucks

(844) 481-___ SHOW
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57 1

2020 Kenworth T880 Tri Axle Dump Truck - Paccar 455HP, 6 Speed Allison Rds Automatic

Price Drop

$122,500 USD

2020 kenworth t880 triaxle dump, 332,647 mileage, allison RDS automatic transmission, paccar MX-11 430 hp, double frame, 16 ft ROGERS BED, 20k fronts, 44k rears, NEW RECAPS TIRES, Cold a/c,...

Condition	Used
Usage	332,647 Miles
Duty Class	Heavy Duty Dump Truck
Horse Power	455 HP
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	55,000 lb 4.33 ratio
MLS Number	13866851
Category	Dump Trucks
Last Updated	10/10/2025
Location	Jackson, TN, US
Sold By	Snider Equipment

(844) 481-___ SHOW
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59 2

2020 Mack Granite 84FR Tri Axle Dump Truck - MP7 425HP, 6 Speed Allison Rds Automatic

$125,000 USD

2020 MACK GR84FR, TRI AXLE DUMP, ODOM: 275,804 MILEAGE, ALLISONS RDS AUTOMATIC TRANSMISSION, 425P HP MP7 ENGINE, TEBCO BED, AIR GATE, 11R22.5, DIF LOCK, 46K REAR, 18K FRONTS!! COLD A/C...

Condition	Used
Usage	275,804 Miles
Duty Class	Heavy Duty Dump Truck
Horse Power	425 HP
Engine Model	Mack MP7
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Rear Axle	Tri Axle
Rear End	46,000 lb
MLS Number	13866846
Category	Dump Trucks
Last Updated	10/9/2025
Location	Jackson, TN, US
Sold By	Snider Equipment

(855) 807-___ SHOW
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37 0

2020 Freightliner Coronado 122 SD Tri Axle Sleeper Semi Truck - 48" Mid Roof Sleeper, Cummins 565HP, 6 Speed Allison Rds Automatic

$84,500 USD

ALLISON WITH CUMMINS!! HEAVY SPEC! 2020 CORONADO 122SD, CUMMINS X15, 565HP, ALLISON RDS 4500 TRANSMISSION, FACTORY TRI AXLE, DOUBLE FRAME, INTER AXLE DIFF LOCK, HEADACHE RACK, AIRLINER SUSP,...

Condition	Used
Usage	470,922 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	48"
Suspension	AirLiner
Rear Axle	Tri Axle
Rear End	66,000 lb 4.56 ratio
Stock Number	7078
MLS Number	13756014
Category	Sleeper Semi Trucks
Last Updated	10/3/2025
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(855) 804-___ SHOW
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15 0

2021 Kenworth W900 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Rds Automatic, 16' Dump

$192,900 USD

2021 Kenworth W900 Extend Cab --- Tri Axle, X15 Cummins 500 HP, Allison Automatic 6 Speed, 4.56 Ratio, 18,000 Front Axle, 46,000 Rear Axle, 235" Wheelbase, 21' 10" Bridge, Chalmers, Double...

Condition	Used
Usage	249,121 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 RDS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	453972
MLS Number	13863119
Category	Dump Trucks
Last Updated	10/8/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(833) 300-___ SHOW
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45 1

2019 Peterbilt 348 Tandem Axle Rollback Tow Truck - Paccar, 350HP, 6 Speed Allison Rds Automatic

Contact for price

Flatbed makeWALTRON, Flatbed dimension30 ', _ ", Installed option, COFFRE D"ALUMINIUM, EXTENDED CAB, BEACONS LIGHT, SPIF AXLE, FRONT AXLE SPACING "SPREAD": 188", Flatbed serial #18WD1125,...

Condition	Used
Usage	9,074 Hours
Duty Class	Heavy Duty Rollback Tow Truck
Bed Length	30 ft.
Horse Power	350 HP
Engine Model	Paccar PX9
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Trac
Rear Axle	Tri Axle
Rear End	40,000 lb 4.88 ratio
Stock Number	C-36893
MLS Number	13862901
Category	Rollback Tow Trucks
Last Updated	10/8/2025
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

11 3

2026 Kenworth T880 Tri Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 18' Dump

$289,950 USD

PRICE INCLUDES FET. New 2026 Kenworth T880 Dump Truck for Sale. Features: 18 ft. Heritage Steel Dump Body, Auto Tarper, Allison Transmission, Tapered Chrome Bumper, Stainless Steel Sunvisor,...

Condition	New
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	18 ft.
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 4.10 ratio
Stock Number	221597
MLS Number	13820408
Category	Dump Trucks
Last Updated	10/2/2025
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

11 3

2026 Kenworth T880 Tri Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 18' Dump

$289,950 USD

PRICE INCLUDES FET. New 2026 Kenworth T880 Dump Truck for Sale. Features: 18 ft. Heritage Steel Dump Body, Auto Tarper, Allison Transmission, Tapered Chrome Bumper, Stainless Steel Sunvisor,...

Condition	New
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	18 ft.
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 4.10 ratio
Stock Number	216310
MLS Number	13816596
Category	Dump Trucks
Last Updated	10/2/2025
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

11 3

2026 Kenworth T880 Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic

$289,950 USD

PRICE INCLUDES FET. New 2026 Kenworth T880 Dump Truck for Sale. Features: 18' Heritage Steel Dump Body, Auto Tarper, Allison Transmission, Dual 7" Exhaust Stacks, Stainless Steel Sunvisor,...

Condition	New
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
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 4.10 ratio
Stock Number	216309
MLS Number	13816565
Category	Dump Trucks
Last Updated	10/2/2025
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

10 3

2026 Kenworth T880 Tri Axle Dump Truck - Paccar 510HP, 6 Speed Allison Rds Automatic, 18' Dump

$274,950 USD

PRICE INCLUDES FET. New 2026 Kenworth T880 Dump Truck for Sale. Features: 18 ft. Heritage Steel Dump Body, Allison Transmission, 7 in. Dual Exhaust Stacks, Tapered Chrome Bumper, Dual Chrome...

Condition	New
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	18 ft.
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson PRIMAAX
Rear Axle	Tri Axle
Rear End	64,500 lb 4.10 ratio
Stock Number	203741
MLS Number	13781345
Category	Dump Trucks
Last Updated	10/2/2025
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

10 3

2026 Kenworth T880 Tri Axle Dump Truck - Paccar 510HP, 6 Speed Allison Rds Automatic

$274,950 USD

PRICE INCLUDES FET. New 2026 Kenworth T880 Dump Truck for Sale. Features: 18 ft. Heritage Steel Dump Body, Auto Tarper, Allison Transmission, Dual 7" Exhaust Stacks, Tapered Chrome Bumper,...

Condition	New
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	203728
MLS Number	13767297
Category	Dump Trucks
Last Updated	10/2/2025
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

(855) 982-___ SHOW
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8 0

2025 Kenworth T880 Tri Axle Dump Truck - Paccar 510HP, 6 Speed Allison Rds Automatic, 18' Dump

$279,950 USD

PRICE INCLUDES FET. New Kenworth T880 Tri Axle Dump Truck For Sale. ** PRICE INCLUDES FET ** Features: 18 ft. Aluminum Heritage Dump Body, Air Tailgate, Dual Exhaust Stacks, Automatic...

Condition	New
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	18 ft.
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson PRIMAAX
Rear Axle	Tri Axle
Rear End	66,000 lb 4.10 ratio
Stock Number	100759
MLS Number	13738626
Category	Dump Trucks
Last Updated	10/2/2025
Location	Swedesboro, NJ, US
Sold By	Coopersburg & Liberty Kenworth

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8 3

2025 Kenworth T880 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Rds Automatic

$279,950 USD

PRICE INCLUDES FET. New Kenworth T880 Tri Axle Dump Truck for sale. Features: Dual Exhaust, 120-gallon Fuel Capacity, Pik Rite Steel Ultra Light Hardox Dump Body with Auto Tarper, Allison...

Condition	New
Duty Class	Heavy Duty Dump Truck
Upfit Make	PIK RITE
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson PRIMAAX
Rear Axle	Tri Axle
Rear End	64,740 lb 4.10 ratio
Stock Number	132063
MLS Number	13464024
Category	Dump Trucks
Last Updated	10/2/2025
Location	Swedesboro, NJ, US
Sold By	Coopersburg & Liberty Kenworth

(724) 243-___ SHOW
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16 0

2024 International HX Tri Axle Roll Off Truck - Cummins, 500HP, 6 Speed Allison Rds Automatic

$209,900 USD

24' Galbreath Roll off, #75,000 Hoist, Remaining Balance of 5 Year 400K Cummins engine and aftertreatment warranty, 20K Lift axle (Steerable) Air Disc Front Brakes / Drum Drives, Super...

Condition	Used
Usage	2,458 Hours
Duty Class	Heavy Duty Roll Off Truck
Horse Power	500 HP
Engine Model	Cummins X15
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	283124
MLS Number	13755723
Category	Roll Off Trucks
Last Updated	10/1/2025
Location	Smithfield, PA, US
Sold By	Hunter Truck