6 Speed Trucks with Cummins Engines For Sale

7 0

2026 Kenworth T880 Quad Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 19.5' Dump

$264,900 USD

Quad Axle, X15 Cummins 565 HP, Allison Automatic 6 Speed, 4.30 Ratio, 18,740 Front Axle, 46,000 Rear Axle, 260" Wheelbase, 23' 10" Bridge, HaulMaax, Double Frame, 3 Stage Engine Brake, Air...

Quantity	5
Condition	New
Usage	19 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	19.5
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	10x4
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Quad Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	216096
MLS Number	13703004
Category	Dump Trucks
Last Updated	10/16/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

13 0

2026 Kenworth T880 Quad Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 19.5' Dump

$264,900 USD

Quad Axle, X15 Cummins 565 HP, Allison Automatic 6 Speed, 4.30 Ratio, 18,740 Front Axle, 46,000 Rear Axle, 260" Wheelbase, 23' 10" Bridge, HaulMaax, Double Frame, 3 Stage Engine Brake, Air...

Quantity	5
Condition	New
Usage	796 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	19.5
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	10x4
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Quad Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	216094
MLS Number	13703002
Category	Dump Trucks
Last Updated	10/16/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

23 0

2026 Kenworth T880 Quad Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 19.5' Dump

$264,900 USD

Quad Axle, X15 Cummins 565 HP, Allison Automatic 6 Speed, 4.30 Ratio, 18,740 Front Axle, 46,000 Rear Axle, 260" Wheelbase, 23' 10" Bridge, HaulMaax, Double Frame, 3 Stage Engine Brake, Air...

Quantity	5
Condition	New
Usage	797 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	19.5
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	10x4
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Quad Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	216095
MLS Number	13703000
Category	Dump Trucks
Last Updated	10/16/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

23 0

2026 Kenworth T880 Quad Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 19.5' Dump

$264,900 USD

Quad Axle, X15 Cummins 565 HP, Allison Automatic 6 Speed, 4.30 Ratio, 18,740 Front Axle, 46,000 Rear Axle, 260" Wheelbase, 23' 10" Bridge, HaulMaax, Double Frame, 3 Stage Engine Brake, Air...

Quantity	5
Condition	New
Usage	796 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	19.5
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	10x4
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Quad Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	216092
MLS Number	13687787
Category	Dump Trucks
Last Updated	10/16/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

7 0

2026 Kenworth T880 Quad Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 19.5' Dump

$264,900 USD

Quad Axle, X15 Cummins 565 HP, Allison Automatic 6 Speed, 4.30 Ratio, 18,740 Front Axle, 46,000 Rear Axle, 260" Wheelbase, 23' 10" Bridge, HaulMaax, Double Frame, 3 Stage Engine Brake, Air...

Quantity	5
Condition	New
Usage	745 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	19.5
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	10x4
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Quad Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	216093
MLS Number	13687786
Category	Dump Trucks
Last Updated	10/16/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

26 0

2026 Kenworth T880 Quad Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 19' Dump

$262,900 USD

2026 Kenworth T880 --- Quad Axle, X15 Cummins 565 HP, Allison Automatic 6 Speed, 4.30 Ratio, 18,740 Front Axle, 46,000 Rear Axle, 260" Wheelbase, 24' 2" Bridge, Hendrickson Haulmaax, Double...

Quantity	4
Condition	New
Usage	18 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	19 ft.
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	10x4
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Quad Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	216087
MLS Number	13687763
Category	Dump Trucks
Last Updated	10/16/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

26 0

2026 Kenworth T880 Quad Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 19' Dump

$262,900 USD

2026 Kenworth T880 --- Quad Axle, X15 Cummins 565 HP, Allison Automatic 6 Speed, 4.30 Ratio, 18,740 Front Axle, 46,000 Rear Axle, 260" Wheelbase, 24' 2" Bridge, Hendrickson Haulmaax, Double...

Quantity	4
Condition	New
Usage	18 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	19 ft.
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	10x4
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Quad Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	216088
MLS Number	13687759
Category	Dump Trucks
Last Updated	10/16/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

26 0

2026 Kenworth T880 Quad Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 19' Dump

$262,900 USD

2026 Kenworth T880 --- Quad Axle, X15 Cummins 565 HP, Allison Automatic 6 Speed, 4.30 Ratio, 18,740 Front Axle, 46,000 Rear Axle, 260" Wheelbase, 24' 2" Bridge, Hendrickson Haulmaax, Double...

Quantity	4
Condition	New
Usage	657 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	19 ft.
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	10x4
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Quad Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	213924
MLS Number	13644690
Category	Dump Trucks
Last Updated	10/16/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

25 0

2026 Kenworth T880 Quad Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 19' Dump

$262,900 USD

2026 Kenworth T880 --- Quad Axle, X15 Cummins 565 HP, Allison Automatic 6 Speed, 4.30 Ratio, 18,740 Front Axle, 46,000 Rear Axle, 260" Wheelbase, 24' 2" Bridge, Hendrickson Haulmaax, Double...

Quantity	4
Condition	New
Usage	16 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	19 ft.
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	10x4
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Quad Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	213923
MLS Number	13637564
Category	Dump Trucks
Last Updated	10/16/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(724) 704-___ SHOW
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2 0

2026 Peterbilt 567 Cab & Chassis Truck - Cummins, 565HP, 6 Speed Automatic

Contact for price

Build Complete-Pictures coming soon. New 2026 Peterbilt 567, Cummins X15 Engine, 565 HP, 1850 Torque, Allison 4500 RDS-P Transmission, 242" Wheelbase, 20K Dana Spicer Front Axle, 46K Dana...

Condition	New
Usage	1 Miles
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	565 HP
Engine Model	Cummins X15
Transmission	6 Speed Automatic
Suspension	Air Trac
Rear End	46,000 lb
Stock Number	278873
MLS Number	13557264
Category	Cab & Chassis Trucks
Last Updated	10/18/2025
Location	Eau Claire, PA, US
Sold By	Hunter Truck

(501) 279-___ SHOW
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12 0

2026 Peterbilt 536 Sewer / Septic Truck - Iron-Vac 2100 Gallon Polished Aluminum Tank Tank Body

$177,607 USD

THIS UNIT IS CURRENTLY IN STOCK 2026 Peterbilt 536 (2 YR Manufacturer Warranty) Cummins PX7 (300HP) 2500 Allison RDS Automatic Transmission 26k GVWR 2100 Gallon 1/4" Polished Aluminum Tank...

Warranty

Condition	New
Duty Class	Medium Duty Sewer / Septic Truck
Upfit Type	Tank Body
Upfit Make	Iron-Vac
Upfit Model	2100 Gallon Polished Aluminum Tank
Horse Power	300 HP
Engine Model	Cummins PX7
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	5.57 ratio
Capacity	2100 Gallons
MLS Number	13885387
Category	Sewer / Septic Trucks
Last Updated	10/15/2025
Location	Searcy, AR, US
Sold By	SepticTrucks.com

(855) 984-___ SHOW
NUMBERCall Seller

18 0

2026 Kenworth T880 Tandem Axle Cab & Chassis Truck - Cummins, 525HP, 6 Speed Allison Rds Automatic

$188,995 USD

Transfer this unit to your nearest Maryland/Delaware location at no additional cost – Baltimore, Bel Air, Dover, Landover, Mardela Springs, Upper Marlboro, or Westminster. Contact us for...

Condition	New
Usage	544 Miles
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	525 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson PRIMAAX
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	KN223154
MLS Number	13765776
Category	Cab & Chassis Trucks
Last Updated	10/15/2025
Location	Mardela Springs, MD, US
Sold By	All Roads Trucks

(855) 984-___ SHOW
NUMBERCall Seller

18 0

2026 Kenworth T880 Tandem Axle Cab & Chassis Truck - Cummins, 525HP, 6 Speed Allison Rds Automatic

$188,995 USD

Transfer this unit to your nearest Maryland/Delaware location at no additional cost – Baltimore, Bel Air, Dover, Landover, Mardela Springs, Upper Marlboro, or Westminster. Contact us for...

Condition	New
Usage	11 Miles
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	525 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson PRIMAAX
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	KN223155
MLS Number	13765777
Category	Cab & Chassis Trucks
Last Updated	10/15/2025
Location	Mardela Springs, MD, US
Sold By	All Roads Trucks

(501) 279-___ SHOW
NUMBERCall Seller

7 0

IN STOCK - 2024 Mack MD7 Sewer / Septic Truck - Iron-Vac 2500 Gallon Tank Body

$148,118 USD

THIS UNIT IS CURRENTLY IN STOCK (PRICE REDUCED) 2024 Mack MD7 (2 YR Manufacturer Warranty) Cummins 6.7L (300HP) 2500 RDS Allison Automatic Transmission 33k GVWR 2500 Gallon SteelTank (5 YR...

Warranty

Condition	New
Duty Class	Heavy Duty Sewer / Septic Truck
Upfit Type	Tank Body
Upfit Make	Iron-Vac
Upfit Model	2500 Gallon
Horse Power	300 HP
Engine Model	Cummins 6.7L
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	5.57 ratio
Capacity	2500 Gallons
MLS Number	13879362
Category	Sewer / Septic Trucks
Last Updated	11/20/2025
Location	Searcy, AR, US
Sold By	SepticTrucks.com

(844) 957-___ SHOW
NUMBERCall Seller

61 4

Special Truck Inc. Badger 12 ft Boom / Bucket Truck - 1997 Condor 150S Aerial Platform Lift, 6 Spd, Tandem Axle

$87,000 USD

1997 CONDOR MODEL 150S, 150’FT VEHICLE-MOUNTED, ELEVATED AND ROTATING AERIAL WORK PLATFORM. MOUNTED ON 1997 ON SPECIAL TRUCK INC MODEL BADGER, HAS CUMMINS M11-400E, 400 H.P. S/N 34844519, 6 ...

Condition	Used
Usage	187 Hours
Duty Class	Heavy Duty Boom / Bucket Truck
Upfit Type	Aerial Lift
Upfit Make	Condor
Upfit Model	150S
Drivetrain	6WD
Transmission	6 Speed
Suspension	Spring
Rear Axle	Tandem Axle
Rear End	20,000 lb
Outriggers	Yes
Lift Height	12 ft
Max Reach	12 ft
Lift Capacity	1700.00 Lb
MLS Number	11611342
Category	Boom & Bucket Trucks
Last Updated	10/12/2025
Location	Lancaster, CA, US
Sold By	Pacific Cranes and Equipment Sales

(855) 585-___ SHOW
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59 1

2020 KENWORTH T880 X15 AUTO & EFFER 505-6S+3S-FG KNUCKLE GRAPPLE BOOM

$350,000 USD

EFFER! SHE'S MY NEIGHBOR! TRUCK VIN: 3BKDL40XXLF388332 YEAR: 2020 MAKE: KENWORTH MODEL: T880 ENGINE: CUMMINS ISX15 505HP TRANSMISSION: ALLISON 4500RDS 6 SPEED AUTOMATIC DRIVE: 8X2 MILEAGE:...

Condition	Used
Usage	3,978 Hours
Duty Class	Heavy Duty Grapple Truck
Upfit Type	Knuckle Boom Crane
Upfit Make	Effer
Upfit Model	505/6S
Horse Power	505 HP
Engine Model	Cummins X15
Drivetrain	6x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson HMX460
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.56 ratio
Outriggers	Yes
Lift Height	92 ft
Max Reach	79 ft
Lift Capacity	27200.00 Lb
Lift Capacity	13.60 Ton
MLS Number	13525226
Category	Grapple Trucks
Last Updated	10/26/2025
Location	Lockport, NY, US
Sold By	LAKE COUNTRY TRUCK & EQUIPMENT INC.

16 0

2019 International MV Water Truck - Cummins 250HP

$89,900 USD

111626 Miles, Engine: CUMMINS, 250 HP, Fuel Type: Diesel, Leaf Springs Suspension, Wheel Base: 152, Single Rear Axles, Front Axle Weight: 12000 lb, Rear Axle Weight: 21000 lb

Condition	Used
Usage	111,626 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	250 HP
Transmission	6 Speed
Suspension	Leaf Springs
Rear Axle	Single Axle
Rear End	21,000 lb 5.13 ratio
Stock Number	106221
MLS Number	13881336
Category	Water Trucks
Last Updated	10/11/2025
Location	Manchester, NH, US
Sold By	Allegiance Trucks

(855) 984-___ SHOW
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19 0

2026 Kenworth T880 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Rds Automatic, 17' Dump

$237,095 USD

Transfer this unit to your nearest Maryland/Delaware location at no additional cost – Baltimore, Bel Air, Dover, Landover, Mardela Springs, Upper Marlboro, or Westminster. Contact us for...

Condition	New
Usage	612 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	Hendrickson PRIMAAX
Rear Axle	Tri Axle
Rear End	56,750 lb 4.56 ratio
Stock Number	KN205750
MLS Number	13852611
Category	Dump Trucks
Last Updated	10/14/2025
Location	Mardela Springs, MD, US
Sold By	All Roads Trucks

10 0

2026 Kenworth T880 Tri Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 17.5' Dump

$259,900 USD

2026 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' 1" Bridge, Chalmers, Double Frame, 3...

Quantity	5
Condition	New
Usage	8 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	216085
MLS Number	13811085
Category	Dump Trucks
Last Updated	10/11/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

10 0

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

$259,900 USD

2026 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' 1" Bridge, Chalmers, Double Frame, 3...

Quantity	5
Condition	New
Usage	7 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	216086
MLS Number	13736443
Category	Dump Trucks
Last Updated	10/11/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(866) 751-___ SHOW
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14 0

2019 Freightliner M2 106 26 ft Stake Bed Truck - 230HP, 6 Speed Allison Rds Automatic

$33,500 USD

2019 STAKE SIDE Flatbed!!!! CLEAN and ready to go with low miles! Won't last long at this price! Call now for more information. Price includes 180 DAY/15K MILE ENGINE WARRANTY!,

Condition	Used
Usage	191,686 Miles
Duty Class	Medium Duty Stake Bed Truck
Bed Length	26 ft.
Horse Power	230 HP
Engine Model	Cummins ISB6.7
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Rear Axle	Single Axle
Rear End	19,000 lb
Stock Number	110121
MLS Number	13560063
Category	Stake Bed Trucks
Last Updated	10/11/2025
Location	Louisville, KY, US
Sold By	Boyd Truck Centers

11 0

2007 International WorkStar 7600 Dump Truck - 410HP

$114,900 USD

477368 Miles, Engine: CUMMINS, 410 HP, Fuel Type: Diesel, Walking Beam Suspension, Wheel Base: 248.0, Five Rear Axles, Front Axle Weight: 20000 lb, Rear Axle Weight: 40000 lb

Condition	Used
Usage	477,368 Miles
Duty Class	Heavy Duty Dump Truck
Horse Power	410 HP
Transmission	6 Speed
Suspension	Walking Beam
Rear Axle	Five Axle
Rear End	40,000 lb 4.88 ratio
Stock Number	346260
MLS Number	13556843
Category	Dump Trucks
Last Updated	10/11/2025
Location	Manchester, NH, US
Sold By	Allegiance Trucks

20 0

2011 Freightliner M2 106 Box Truck - 300HP

$49,900 USD

202287 Miles, Engine: CUMMINS, 300 HP, Fuel Type: Diesel, AirLiner Suspension, Wheel Base: 252, Single Rear Axles, Front Axle Weight: 12000 lb, Rear Axle Weight: 21000 lb

Condition	Used
Usage	202,287 Miles
Duty Class	Heavy Duty Box Truck
Horse Power	300 HP
Transmission	6 Speed
Suspension	AirLiner
Rear Axle	Single Axle
Rear End	21,000 lb 5.29 ratio
Stock Number	349753
MLS Number	13556819
Category	Delivery / Moving / Straight / Box Trucks
Last Updated	10/11/2025
Location	Manchester, NH, US
Sold By	Allegiance Trucks

25 0

2017 Freightliner M2 106 Gasoline / Fuel Truck

$134,900 USD

New DFI Water Tank,

Condition	Used
Usage	5,010 Miles
Duty Class	Heavy Duty Gasoline / Fuel Truck
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	21,000 lb 5.29 ratio
Stock Number	339358
MLS Number	13556813
Category	Gasoline / Fuel Trucks
Last Updated	10/11/2025
Location	Manchester, NH, US
Sold By	Allegiance Trucks