Used 6 Speed Dump Trucks For Sale

2025 Kenworth T880 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Rds Automatic, 16' Dump

$234,900 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	39,681 Miles
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	167503
MLS Number	14260729
Category	Dump Trucks
Last Updated	3/22/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

2021 Peterbilt 567 Tri Axle Dump Truck - Cummins 485HP, 6 Speed Allison Rds Automatic, 16' Dump

$172,900 USD

2021 Peterbilt 567 --- Tri Axle, X15 Cummins 485 HP, Allison Automatic 6 Speed, 4.30 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 234" Wheelbase, 21' 10" Bridge, HaulMaax, Double Frame, 3...

Condition	Used
Usage	297,267 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Bed Length	16 ft.
Horse Power	485 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Tri Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	712620
MLS Number	14260725
Category	Dump Trucks
Last Updated	3/22/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

2024 International HX Five Axle Dump Truck - A26 450HP, 6 Speed Allison Rds Automatic, 20.5' Dump

$159,900 USD

2024 International HX --- Quint Axle(6), A26 INTERNATIONAL 450 HP, Allison Automatic 6 Speed, 4.30 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 295" Wheelbase, 26' 11" Bridge, Haulmaax EX, 3...

Condition	Used
Usage	190,686 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	R&S
Bed Length	20.5
Horse Power	450 HP
Engine Model	International A26
Drivetrain	8x6
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Five Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	137395
MLS Number	14230213
Category	Dump Trucks
Last Updated	3/22/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

2025 Mack Granite 64FR Tri Axle Dump Truck - MP8 455HP, 6 Speed Allison Rds Automatic, 16' Dump

$229,900 USD

2025 Mack GR64F --- Tri Axle, MP8 Mack 455 HP, Allison Automatic 6 Speed, 4.19 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 227" Wheelbase, 21' Bridge, Camelback, 3 Stage Engine Brake, Air...

Condition	Used
Usage	21,638 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Logan
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	047435
MLS Number	14259860
Category	Dump Trucks
Last Updated	3/28/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(833) 300-___ SHOW
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2022 International HV Dump Truck - A26 475HP, 6 Speed Allison Rds Automatic

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320936 Miles, 8558 Hours, Engine: INTERNATIONAL A26, 475 HP, Fuel Type: Diesel, 6 Speed Allison RDS Automatic Transmission, Drive: 6x4, Hendrickson Suspension, Wheels: Aluminum/Steel, Wheel...

Condition	Used
Usage	8,558 Hours
Duty Class	Heavy Duty Dump Truck
Horse Power	475 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	C-37109
MLS Number	14259198
Category	Dump Trucks
Last Updated	3/21/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

(855) 370-___ SHOW
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2015 Ford F-750 Single Axle Dump Truck - Cummins 250HP, 6 Speed Automatic, 10' Dump

$62,900 USD

2015 Ford F750 w/a 10'x96"x34" Dump Box, Cummins B6.7 250HP Engine, Automatic 6 Spd Allison 1000 SERIES Transmission, Spring Suspension, 26,000 GVW, 12,000# Front Axle, 21,000# Meritor...

Condition	Used
Usage	2,904 Hours
Duty Class	Medium Duty Dump Truck
Bed Length	10 ft.
Horse Power	250 HP
Engine Model	Cummins B6.7
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	21,000 lb 5.86 ratio
Stock Number	15FD020
MLS Number	14259156
Category	Dump Trucks
Last Updated	3/21/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(833) 300-___ SHOW
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2022 Kenworth T800 Dump Truck - Cummins 450HP, 6 Speed Allison Rds Automatic

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

Condition	Used
Usage	9,482 Hours
Duty Class	Heavy Duty Dump Truck
Horse Power	450 HP
Engine Model	Cummins X15E
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson
Rear End	4.56 ratio
Stock Number	C-37454
MLS Number	14259124
Category	Dump Trucks
Last Updated	3/21/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

2022 Peterbilt 389 Tri Axle Dump Truck - Paccar 510HP, 6 Speed Allison Rds Automatic, 16' Dump

$189,500 USD

Triaxle, 16' Rogers Steel Dump w/46" Sides, MX13 Paccar 510 HP, Allison Automatic 6 Speed, 3 Stage Engine Brake, 4.10 Ratio, Double Frame, HaulMaax, 20K FA, 46K RA, 13,500 Steerable L/A, 230...

Condition	Used
Usage	6,227 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Rogers
Bed Length	16 ft.
Horse Power	510 HP
Engine Model	Paccar MX-13
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Tri Axle
Rear End	4.10 ratio
Stock Number	ND795703
MLS Number	14246434
Category	Dump Trucks
Last Updated	3/21/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

2022 Peterbilt 389 Tri Axle Dump Truck - Paccar 510HP, 6 Speed Allison Rds Automatic, 16' Dump

$189,500 USD

Triaxle, 16' Rogers Steel Dump w/46" Sides, MX13 Paccar 510 HP, Allison Automatic 6 Speed, 3 Stage Engine Brake, 4.10 Ratio, Double Frame, HaulMaax, 20K FA, 46K RA, 13,500 Steerable L/A, 230...

Condition	Used
Usage	99,092 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Rogers
Bed Length	16 ft.
Horse Power	510 HP
Engine Model	Paccar MX-13
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Tri Axle
Rear End	4.10 ratio
Stock Number	ND795704
MLS Number	14220849
Category	Dump Trucks
Last Updated	3/21/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(833) 478-___ SHOW
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2015 Mack Granite GU713 Dump Truck - MP7 405HP, 6 Speed Allison Rds Automatic

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2015 MACK GU713 WITH ONLY 217K MILES! ONE OF 3 GEORGIA SPEC DUMPS RAN BY LOCAL MUNICIPALITY. MP7 405HP ENGINE WITH ALLISON AUTOMATIC TRANS, 14600 FRONTS AND 44K REARS, END DUMP OX BODY WITH...

Condition	Used
Usage	217,157 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Horse Power	405 HP
Engine Model	Mack MP7
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Camelback
Rear Axle	Tandem Axle
Rear End	44,000 lb
Stock Number	7169
MLS Number	14129506
Category	Dump Trucks
Last Updated	3/21/2026
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

(833) 478-___ SHOW
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2015 Mack Granite GU713 Dump Truck - MP7 405HP, 6 Speed Allison Rds Automatic

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2015 MACK GU713 WITH ONLY 217K MILES! ONE OF 3 GEORGIA SPEC DUMPS RAN BY LOCAL MUNICIPALITY. MP7 405HP ENGINE WITH ALLISON AUTOMATIC TRANS, 14600 FRONTS AND 44K REARS, END DUMP OX BODY WITH...

Condition	Used
Usage	217,500 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Horse Power	405 HP
Engine Model	Mack MP7
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Tandem Axle
Rear End	44,000 lb
Stock Number	7170
MLS Number	14120792
Category	Dump Trucks
Last Updated	3/21/2026
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

(844) 481-___ SHOW
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2020 Freightliner Coronado 122 SD Quad Axle Dump Truck - Detroit 505HP, 6 Speed Allison Rds Automatic

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******************************sold********************************,

Condition	Used
Usage	241,243 Miles
Duty Class	Heavy Duty Dump Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	10x4
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Quad Axle
MLS Number	13907541
Category	Dump Trucks
Last Updated	3/27/2026
Location	Jackson, TN, US
Sold By	Snider Equipment

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

$229,900 USD

2024 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, 21' 2" Bridge, Chalmers, Double Frame, 3...

Condition	Used
Usage	625 Hours
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	358793
MLS Number	13537565
Category	Dump Trucks
Last Updated	3/21/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

2025 Kenworth T880S Tri Axle Dump Truck - Paccar 510HP, 6 Speed Allison Rds Automatic, 16' Dump

$224,900 USD

Tri Axle, MX-13 PACCAR 510 HP, Allison Automatic 6 Speed, 4.78 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 229" Wheelbase, 21' 3" Bridge, Chalmers, Double Frame, 3 Stage Engine Brake, Air...

Condition	Used
Usage	21,262 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Logan
Bed Length	16 ft.
Horse Power	510 HP
Engine Model	Paccar MX-13
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	4.78 ratio
Stock Number	SJ100782
MLS Number	13514201
Category	Dump Trucks
Last Updated	3/21/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

2025 Kenworth T880S Tri Axle Dump Truck - Paccar 510HP, 6 Speed Allison Rds Automatic, 16' Dump

$224,900 USD

Tri Axle, MX-13 PACCAR 510 HP, Allison Automatic 6 Speed, 4.78 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 229" Wheelbase, 21' 3" Bridge, Chalmers, Double Frame, 3 Stage Engine Brake, Air...

Condition	Used
Usage	25,841 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Logan
Bed Length	16 ft.
Horse Power	510 HP
Engine Model	Paccar MX-13
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	4.78 ratio
Stock Number	SJ100781
MLS Number	13514197
Category	Dump Trucks
Last Updated	3/21/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

2022 Kenworth T880 Tri Axle Dump Truck - Paccar 510HP, 6 Speed Allison Rds Automatic, 17' Dump

$179,900 USD

2022 Kenworth T880 --- Tri Axle, MX-13 Paccar 510 HP, Allison Automatic 6 Speed, 4.30 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 217" Wheelbase, 20' 5" Bridge, Air Ride AG460, Double Frame,...

Condition	Used
Usage	6,253 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	17 ft.
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	AG 460
Rear Axle	Tri Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	495588
MLS Number	13364700
Category	Dump Trucks
Last Updated	3/21/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(833) 660-___ SHOW
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2021 Peterbilt 337 Single Axle Dump Truck - Paccar 260HP, 6 Speed Allison Hs Automatic

$82,500 USD

2021 Peterbilt 337 10' Dump Truck, PX9, *CARB Compliant* Powertrain Chassis:, 85,907 Miles | 2,796 Hours, 8.9L PACCAR PX9 300HP/1000lbs-ft, Allison 3000HS 6 Speed Automatic Transmission |...

Condition	Used
Usage	85,907 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Godwin
Horse Power	260 HP
Engine Model	Paccar PX9
Drivetrain	4x2
Transmission	6 Speed Allison HS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	21,000 lb
Stock Number	T17994M
MLS Number	14257175
Category	Dump Trucks
Last Updated	3/20/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Trucks

2023 Western Star 49X Quad Axle Dump Truck - Detroit 530HP, 6 Speed Allison Rds Automatic, 17.5' Dump

$189,900 USD

2023 Western Star 49X --- Quad Axle, DD16 Detroit 530 HP, Allison Automatic 6 Speed, 4.30 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 269" Wheelbase, 24' 9" Bridge, Haulmaax, Thick Frame, 3...

Condition	Used
Usage	111,137 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	R/S GODWIN
Bed Length	18 ft.
Horse Power	530 HP
Engine Model	Detroit DD16
Drivetrain	10x4
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Quad Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	NT0583
MLS Number	14256961
Category	Dump Trucks
Last Updated	3/26/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

2022 Kenworth T800 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Rds Automatic, 16' Dump

$184,900 USD

2022 Kenworth T800 Extended Cab --- Tri Axle, X15 Cummins 500 HP, Allison Automatic 6 Speed, 4.56 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 214" Wheelbase, 20' 6" Bridge, Chalmers, Double...

Condition	Used
Usage	8,381 Hours
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	478890
MLS Number	14229977
Category	Dump Trucks
Last Updated	3/20/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

2023 Western Star 49X Tri Axle Dump Truck - Detroit 500HP, 6 Speed Allison Rds Automatic, 16' Dump

$179,900 USD

2023 Western Star 49X --- Tri Axle, DD16 Detroit 500 HP, Allison Automatic 6 Speed, 20,000 Front Axle, 46,000 Rear Axle, 230" Wheelbase, 21' 6" Bridge, TUFTRAC, Double Frame, 3 Stage Engine...

Condition	Used
Usage	216,296 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Bed Length	16 ft.
Horse Power	500 HP
Engine Model	Detroit DD16
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	TufTrac
Rear Axle	Tri Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	NT3739
MLS Number	14229545
Category	Dump Trucks
Last Updated	3/20/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(833) 254-___ SHOW
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2024 International HX Tri Axle Dump Truck - Cummins 470HP, 6 Speed Allison Rds Manual

$195,000 USD

Condition	Used
Usage	117,483 Miles
Duty Class	Heavy Duty Dump Truck
Horse Power	470 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	6 Speed Allison RDS Manual
Suspension	Hendrickson HMX460
Rear Axle	Tri Axle
Rear End	46,000 lb
Stock Number	67977
MLS Number	14171511
Category	Dump Trucks
Last Updated	3/20/2026
Location	Jacksonville, FL, US
Sold By	CMD Trailer Sales & Leasing Inc.

2022 Peterbilt 567 Tri Axle Dump Truck - Cummins 485HP, 6 Speed Allison Rds Automatic, 16' Dump

$179,900 USD

Triaxle, 16' Ox Steel Dump w/54" Sides, X15 Cummins 485 HP, Allison Automatic 6 Speed, 4.56 Ratio, 3 Stage Engine Brake, HaulMaax EX, 20K FA, 46K RA, 13,500 Steerable L/A, 232" WB, 21'6"...

Condition	Used
Usage	10,843 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Bed Length	16 ft.
Horse Power	485 HP
Engine Model	Cummins X15
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Tri Axle
Rear End	4.56 ratio
Stock Number	ND766291
MLS Number	14149685
Category	Dump Trucks
Last Updated	3/20/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(855) 653-___ SHOW
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2023 Kenworth T480 Dump Truck - Paccar 360HP, 6 Speed Automatic, 16' Dump

$162,500 USD

2023 Kenworth T480 Tandem Axle Dump Truck, Paccar PX-9 8.9L Turbo Diesel Engine, 360 HP, Engine Brake, Allison 3000 RDS 6 Speed Automatic Transmission, ONLY 37,016 ECM Verified Miles, ONLY...

Condition	Used
Usage	2,107 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Godwin
Bed Length	16 ft.
Horse Power	360 HP
Engine Model	Paccar PX9
Drivetrain	6x4
Transmission	6 Speed Automatic
Suspension	Walking Beam
Rear Axle	Tandem Axle
Rear End	40,000 lb 5.29 ratio
Stock Number	18019D
MLS Number	14114207
Category	Dump Trucks
Last Updated	3/20/2026
Location	Denver, CO, US
Sold By	DTI Trucks

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, 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" Bridge, Diff Lock,...

Condition	Used
Usage	330,165 Miles
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	MM001717
MLS Number	14255519
Category	Dump Trucks
Last Updated	3/19/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales