Used Kenworth 6 Speed Trucks with Cummins Engines For Sale

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2019 Kenworth T270 Single Axle Dump Truck - Cummins 300HP, 6 Speed Allison Rds Automatic

Newly Listed

$67,500 USD

2019 Kenworth T270 10' Dump Truck, PX7, Tarp Powertrain Chassis: 136,704 miles | 4730 Hours, 6.7L PACCAR PX7 300HP/660lbs-ft, Exhaust Brake, Allison 2500RDS Automatic Transmission, Air...

Condition	Used
Usage	136,704 Miles
Duty Class	Medium Duty Dump Truck
Upfit Make	Godwin
Horse Power	300 HP
Engine Model	Cummins B6.7
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	16,000 lb
Stock Number	T17862M
MLS Number	14116835
Category	Dump Trucks
Last Updated	1/29/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Trucks

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2025 Kenworth T380 Single Axle Cab & Chassis Truck - Cummins, 330HP, 6 Speed Allison Rds Automatic

Newly Listed

$105,500 USD

2025 Kenworth T380 Cab/Chassis Truck, PX9, *Factory Warranty* Powertrain Chassis: 39 Miles | 9 Hours, 8.9L PACCAR PX9 330HP/1000lbs-ft | Exhaust Brake, Allison 3500RDS 6 Speed Automatic...

Condition	Used
Usage	39 Miles
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	330 HP
Engine Model	Cummins L9
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	21,000 lb
Stock Number	T17984M
MLS Number	14116819
Category	Cab & Chassis Trucks
Last Updated	1/29/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Trucks

(844) 476-___ SHOW
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2020 Kenworth T880 Roll Off Truck - Cummins, 450HP

Recently Updated

At auction

2020 Kenworth T-880 6x4 Galbreath U5-OR-174 Roll-Off Truck, Cummins X-15@450 H.P. Engine Brake, 284,750 Miles and 13,709 Hours, Allison 4500 6 Speed Automatic Overdrive Transmission, 20,000...

Condition	Used
Horse Power	450 HP
Engine Model	Cummins X15 D
Drivetrain	6x4
Transmission	6 Speed
Suspension	Hendrickson HMX460
Rear End	46,000 lb
Stock Number	LJ431403
MLS Number	14085339
Category	Roll Off Trucks
Last Updated	1/29/2026
Location	Kansas City, MO, US
Listed By	Custom Truck One Source

2024 Kenworth T880 Tri Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 17.5' Dump

Recently Updated

$219,900 USD

2024 Kenworth T880 --- Tri Axle, X15 Cummins 565 HP, Allison Automatic 6 Speed, 4.30 Ratio, 18,740 Front Axle, 46,000 Rear Axle, 228" Wheelbase, 21' 3" Bridge, Chalmers, Double Frame, 3...

Condition	Used
Usage	112,794 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	364930
MLS Number	13672515
Category	Dump Trucks
Last Updated	1/25/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

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

Recently Updated

$236,900 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	1/25/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

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

Recently Updated

$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, 20' 1" Bridge, Chalmers, Double Frame, 3...

Condition	Used
Usage	49,838 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	381294
MLS Number	13528824
Category	Dump Trucks
Last Updated	1/25/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

2019 Kenworth T880 Quad Axle Dump Truck - Cummins 450HP, 6 Speed Allison Rds Automatic, 19' Dump

Recently Updated

$176,900 USD

Quad Axle, X-15 Cummins 450 HP, Allison Automatic 6 Speed, 4.56 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 278" Wheelbase, 25' 6" Bridge, HaulMaxx, Double Frame, 3 Stage Engine Brake, Air...

Condition	Used
Usage	278,355 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	19 ft.
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	10x4
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Quad Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	281116
MLS Number	13486762
Category	Dump Trucks
Last Updated	1/25/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

2024 Kenworth T880 Tri Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 17.5' Dump

Newly Listed

$219,900 USD

2024 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' 1" Bridge, Chalmers, Double Frame, 3...

Condition	Used
Usage	138,278 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	364923
MLS Number	14107241
Category	Dump Trucks
Last Updated	1/28/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

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2018 Kenworth T370 Mechanic / Service Truck - Cummins, 350HP, 6 Speed Allison Rds Automatic

$159,500 USD

2018 Kenworth T370 Mechanics Truck, Paccar PX9 8.9L Turbo Diesel Engine, 350 HP, Engine Brake, Allison 6 Speed Automatic Transmission, 171,529 ECM Verified Miles 6,554 ECM Verified Engine...

Condition	Used
Usage	6,554 Hours
Duty Class	Heavy Duty Service Truck
Horse Power	350 HP
Engine Model	Cummins ISL
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	21,000 lb 5.29 ratio
Stock Number	T17884D
MLS Number	14105541
Category	Mechanic / Utility / Service Trucks
Last Updated	1/22/2026
Location	Denver, CO, US
Sold By	DTI Trucks

2023 Kenworth T880 Tri Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 17.5' Dump

$219,900 USD

Tri Axle, X15 Cummins 565 HP, Allison Automatic 6 Speed, 4.30 Ratio, 18,740 Front Axle, 46,000 Rear Axle, 227" Wheelbase, 21' 1" Bridge, Chalmers, Double Frame, 3 Stage Engine Brake, Air...

Quantity	2
Condition	Used
Usage	6,966 Hours
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	217466
MLS Number	14101769
Category	Dump Trucks
Last Updated	1/23/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

2023 Kenworth T880 Tri Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 17.5' Dump

$219,900 USD

Tri Axle, X15 Cummins 565 HP, Allison Automatic 6 Speed, 4.30 Ratio, 18,740 Front Axle, 46,000 Rear Axle, 227" Wheelbase, 21' 1" Bridge, Chalmers, Double Frame, 3 Stage Engine Brake, Air...

Condition	Used
Usage	72,935 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	217465
MLS Number	14101766
Category	Dump Trucks
Last Updated	1/23/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

2021 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	160,435 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	461552
MLS Number	14081992
Category	Dump Trucks
Last Updated	1/21/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(724) 243-___ SHOW
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2019 Kenworth T370 Single Axle Hooklift Truck - Cummins, 330HP, 6 Speed Allison Rds Automatic

$99,900 USD

2019 KW Hooklift Ready To Work!, Cummins Power w/ Allison Transmission, Low miles hours!, Hook lift spec sheet located in "service logs",

Condition	Used
Usage	3,413 Hours
Duty Class	Heavy Duty Hooklift Truck
Horse Power	330 HP
Engine Model	Cummins L9
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	21,000 lb
Stock Number	285749
MLS Number	14056799
Category	Hooklift Trucks
Last Updated	1/17/2026
Location	Smithfield, PA, US
Sold By	Hunter Truck

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2018 Kenworth T270 Mechanic / Service Truck - Cummins, 300HP, 6 Speed Allison Rds Automatic

Price Drop $89,900 USD

Ready to work mechanic's truck!, DOT'd PM'd, Freshly detailed!, Cummins power and Allison Transmission!!,

Condition	Used
Usage	8,181 Hours
Duty Class	Medium Duty Service Truck
Horse Power	300 HP
Engine Model	Cummins B6.7
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Stock Number	285164
MLS Number	14068012
Category	Mechanic / Utility / Service Trucks
Last Updated	1/22/2026
Location	Smithfield, PA, US
Sold By	Hunter Truck

(833) 478-___ SHOW
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2018 Kenworth T880 Tri Axle Dump Truck - Cummins 425HP, 6 Speed Allison Rds Automatic

Contact for price

Stock 7124C — 2018 Kenworth T880 Tri-axle Dump, Ox Body , Cummins 425hp , Allison Automatic, -16ft steel body with air gate, -210" wheelbase, -4.10 RAR, -Double frame, -11r24.5 tires with...

Condition	Used
Usage	335,055 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Bed Length	16 ft.
Horse Power	425 HP
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Tri Axle
Rear End	46,000 lb
Stock Number	7124C
MLS Number	14065817
Category	Dump Trucks
Last Updated	1/15/2026
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

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2025 Kenworth W900 Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 18' Dump

$239,500 USD

2025 Kenworth W900 Bubble Cab Tri Axle 18’ Dump Truck, Cummins X15 Turbo Diesel Engine, 565 HP, Engine Brake, Allison 4500RDS 6 Speed Automatic Transmission, 66,937 ECM Verified Miles, 2,274...

Condition	Used
Usage	2,274 Hours
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	Air Ride
Rear Axle	Tandem Axle
Rear End	66,000 lb 3.91 ratio
Stock Number	T17717D
MLS Number	13850589
Category	Dump Trucks
Last Updated	1/15/2026
Location	Denver, CO, US
Sold By	DTI Trucks

(609) 318-___ SHOW
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2023 Kenworth T880 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Rds Automatic

$189,900 USD

277751 Miles, Engine: CUMMINS X15, 500 HP, 6 Speed Allison RDS Automatic Transmission, Drive: 8x4, Hendrickson HMX460 Suspension, Wheels: All Aluminum, Wheel Base: 249, Tri Rear Axles, Front...

Condition	Used
Usage	277,751 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson HMX460
Rear Axle	Tri Axle
Rear End	46,000 lb
Stock Number	285492
MLS Number	14072161
Category	Dump Trucks
Last Updated	1/14/2026
Location	Millstone Township, NJ, US
Sold By	Hunter Truck

2020 Kenworth T880 Tri Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 17.5' Dump

$162,900 USD

2020 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' 1" Bridge, Chalmers, Double Frame, 3...

Condition	Used
Usage	308,147 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
Stock Number	427535
MLS Number	14045947
Category	Dump Trucks
Last Updated	1/13/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(844) 305-___ SHOW
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2021 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	160,435 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	MJ461552
MLS Number	14082061
Category	Dump Trucks
Last Updated	1/10/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

2023 Kenworth T880 Tri Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 17.5' Dump

$207,900 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' 1" Bridge, Chalmers, Double Frame, 3...

Condition	Used
Usage	185,608 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	217463
MLS Number	14081953
Category	Dump Trucks
Last Updated	1/10/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

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2025 Kenworth T880 Tandem Axle Cab & Chassis Truck - Cummins, 525HP, 6 Speed Allison Rds Automatic

Contact for price

NEW COLT Rock Box Dump Body Being Installed, 2025 Kenworth T880 Tri-Axle Cab Chassis, Cummins X15 Turbo Diesel Engine, 525 HP, Engine Brake, Allison 4500 RDS 6 Speed Automatic Transmission,...

Condition	Used
Usage	30 Hours
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	525 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tandem Axle
Rear End	57,200 lb 4.11 ratio
Stock Number	T17745D
MLS Number	13952754
Category	Cab & Chassis Trucks
Last Updated	1/9/2026
Location	Denver, CO, US
Sold By	DTI Trucks

2023 Kenworth W900 Tri Axle Dump Truck - Cummins 525HP, 6 Speed Allison Rds Automatic, 17' Dump

$204,900 USD

2023 Kenworth W900 Extend Cab --- Tri Axle, X15 Cummins 525 HP, Allison Automatic 6 Speed, 4.30 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 239" Wheelbase, 22' 3" Bridge, Air Ride AG460,...

Condition	Used
Usage	106,204 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Air-Flo
Bed Length	17 ft.
Horse Power	525 HP
Engine Model	Cummins X15
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	257133
MLS Number	13955253
Category	Dump Trucks
Last Updated	1/8/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

2023 Kenworth T880 Tri Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 17.5' Dump

$202,900 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, 224" Wheelbase, 21' Bridge, Chalmers, Double Frame, 3 Stage...

Condition	Used
Usage	230,345 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	216355
MLS Number	13751184
Category	Dump Trucks
Last Updated	1/8/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

2019 Kenworth T880 Quad Axle Dump Truck - Cummins 450HP, 6 Speed Allison Rds Automatic, 19' Dump

$166,900 USD

2019 Kenworth T880 Quad Axle, X-15 Cummins 450 HP, Allison Automatic 6 Speed, 4.56 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 278" Wheelbase, 25' 6" Bridge, HaulMaxx, Double Frame, 3 Stage...

Quantity	8
Condition	Used
Usage	269,618 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	19 ft.
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	10x4
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Quad Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	281117
MLS Number	13486771
Category	Dump Trucks
Last Updated	1/3/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales