New 6 Speed Trucks For Sale

276 - 300 of 1,712 listings

2026 Kenworth T880 Tri Axle Dump Truck - Cummins 525HP, 6 Speed Allison Rds Automatic, 17' Dump

$240,095 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	712 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	17 ft.
Horse Power	525 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson HMX460
Rear Axle	Tri Axle
Rear End	60,320 lb 4.56 ratio
Stock Number	KF222866
MLS Number	13981423
Category	Dump Trucks
Last Updated	1/22/2026
Location	Mardela Springs, MD, US
Sold By	All Roads Trucks

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2026 Kenworth T880 Tri Axle Dump Truck - Cummins 525HP, 6 Speed Allison Rds Automatic, 17' Dump

$240,095 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	696 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	17 ft.
Horse Power	525 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson HMX460
Rear Axle	Tri Axle
Rear End	60,320 lb 4.56 ratio
Stock Number	KF222864
MLS Number	13981406
Category	Dump Trucks
Last Updated	1/22/2026
Location	Mardela Springs, MD, US
Sold By	All Roads Trucks

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2026 Kenworth T880 Tri Axle Dump Truck - Cummins 525HP, 6 Speed Allison Rds Automatic, 17' Dump

$240,095 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	721 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	17 ft.
Horse Power	525 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson HMX460
Rear Axle	Tri Axle
Rear End	66,000 lb 4.56 ratio
Stock Number	KF222665
MLS Number	13974431
Category	Dump Trucks
Last Updated	1/22/2026
Location	Mardela Springs, MD, US
Sold By	All Roads Trucks

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2026 Kenworth T880 Tri Axle Dump Truck - Cummins 525HP, 6 Speed Allison Rds Automatic, 17' Dump

$240,095 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	691 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	17 ft.
Horse Power	525 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson HMX460
Rear Axle	Tri Axle
Rear End	66,000 lb 4.56 ratio
Stock Number	KF222664
MLS Number	13974430
Category	Dump Trucks
Last Updated	1/22/2026
Location	Mardela Springs, MD, US
Sold By	All Roads Trucks

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2025 Kenworth T480 Tandem Axle Cab & Chassis Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

$132,295 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	450 Miles
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	300 HP
Engine Model	Paccar PX9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson RT
Rear Axle	Tandem Axle
Rear End	40,000 lb 5.29 ratio
Stock Number	KN169280
MLS Number	13949701
Category	Cab & Chassis Trucks
Last Updated	1/28/2026
Location	Upper Marlboro, MD, US
Sold By	All Roads Trucks

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2026 Kenworth T880 Tri Axle Dump Truck - Cummins 525HP, 6 Speed Allison Rds Automatic, 17' Dump

$240,095 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	702 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	17 ft.
Horse Power	525 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson PRIMAAX
Rear Axle	Tri Axle
Rear End	66,000 lb 4.56 ratio
Stock Number	KF222670
MLS Number	13916410
Category	Dump Trucks
Last Updated	1/22/2026
Location	Mardela Springs, MD, US
Sold By	All Roads Trucks

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2026 Kenworth T880 Tri Axle Dump Truck - Cummins 525HP, 6 Speed Allison Rds Automatic, 17' Dump

$240,095 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	710 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	17 ft.
Horse Power	525 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson HMX460
Rear Axle	Tri Axle
Rear End	66,000 lb 4.56 ratio
Stock Number	KF222663
MLS Number	13916409
Category	Dump Trucks
Last Updated	1/22/2026
Location	Mardela Springs, MD, US
Sold By	All Roads Trucks

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2026 Kenworth T380 Single Axle Cab & Chassis Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

$170,995 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: 2026, Model: T380...

Condition	New
Usage	1,264 Miles
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	300 HP
Engine Model	Paccar PX7
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Reyco
Rear Axle	Single Axle
Rear End	21,000 lb 4.89 ratio
Stock Number	KF193159
MLS Number	13781641
Category	Cab & Chassis Trucks
Last Updated	1/22/2026
Location	Upper Marlboro, MD, US
Sold By	All Roads Trucks

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2026 Freightliner M2 106 Tracked Digger Derrick - Cummins, 300HP

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FOR SALE! A brand new Freightliner M2106 4x4 upfitted with a Terex Commander 4047 digger derrick. This vehicle is powered by a 300 hp Cummins L9 diesel motor, and gears are shifted via an...

Condition	New
Horse Power	300 HP
Engine Model	Cummins L9 D
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	21,000 lb
Stock Number	THWV0187
MLS Number	14104459
Category	Digger Derrick Trucks
Last Updated	1/22/2026
Location	Union Grove, WI, US
Sold By	Custom Truck One Source

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2026 Freightliner M2 106 Tracked Digger Derrick - Cummins, 300HP

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FOR SALE! A brand new Freightliner M2106 4x4 upfitted with a Terex Commander 4047 digger derrick. This vehicle is powered by a 300 hp Cummins L9 diesel motor, and gears are shifted via an...

Condition	New
Horse Power	300 HP
Engine Model	Cummins L9 D
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	21,000 lb
Stock Number	THWV0173
MLS Number	14104458
Category	Digger Derrick Trucks
Last Updated	1/22/2026
Location	Union Grove, WI, US
Sold By	Custom Truck One Source

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2026 Freightliner M2 106 Dump Truck - Detroit 350HP

$173,946 USD

The Freightliner M2106 6x4 16' Load King Dump Truck is a durable and efficient work truck designed for heavy-duty hauling. Powered by a Detroit DD8 diesel engine producing 350 horsepower and...

Condition	New
Horse Power	350 HP
Engine Model	Detroit DD8 D
Drivetrain	6x4
Transmission	6 Speed
Rear End	40,000 lb
Stock Number	TDWL9988
MLS Number	14104447
Category	Dump Trucks
Last Updated	1/22/2026
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

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2025 Kenworth T380 Single Axle Roll Off Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

$165,995 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	660 Miles
Duty Class	Heavy Duty Roll Off Truck
Horse Power	300 HP
Engine Model	Paccar PX7
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	23,000 lb 5.38 ratio
Stock Number	KN182199
MLS Number	13699561
Category	Roll Off Trucks
Last Updated	1/22/2026
Location	Westminster, MD, US
Sold By	All Roads Trucks

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2026 Freightliner M2 106 Cab & Chassis Truck

$97,995 USD

*2026 Freightliner M2-106 Extended Cab with Sleeper Cab Chassis -- Cummins Diesel -- Allison Automatic -- Non-CDL** Cummins ISB 6.7L Diesel -- 250 HP / 660 lb-ft torque* Allison 2100 RDS...

Condition	New
Usage	740 Miles
Horse Power	260 HP
Engine Model	Cummins ISB 6.7L
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Air Ride
Rear End	19,000 lb
Stock Number	THWV7487
MLS Number	14063935
Category	Cab & Chassis Trucks
Last Updated	2/7/2026
Location	Pompano Beach, FL, US
Sold By	Go Freightliner of Broward

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2025 Kenworth T880 Roll Off Truck - Cummins, 525HP

$303,779 USD

This Kenworth T880 8x4 is equipped with a Galbreath U75-OR-174 roll-off system and built on a Class 8 chassis designed for heavy hauling and container operations. Power comes from a Cummins...

Condition	New
Horse Power	525 HP
Engine Model	Cummins X15 D
Drivetrain	8x4
Transmission	6 Speed
Rear End	46,000 lb
Stock Number	SJ190961
MLS Number	13606288
Category	Roll Off Trucks
Last Updated	1/22/2026
Location	Denver, CO, US
Sold By	Custom Truck One Source

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2025 Freightliner M2 106 Water Truck - Cummins 280HP

$116,267 USD

This Freightliner M2106 4x2 water truck is equipped with a Load King 2,000-gallon water tank and built for dust control, road maintenance, and jobsite support applications. It is powered by...

Condition	New
Horse Power	280 HP
Engine Model	Cummins 6.7L D
Drivetrain	4x2
Transmission	6 Speed
Suspension	Spring
Rear End	21,000 lb
Stock Number	SHWC0279
MLS Number	14104439
Category	Water Trucks
Last Updated	1/22/2026
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

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2026 Kenworth T280 Single Axle Cab & Chassis Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

$99,995 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	645 Miles
Duty Class	Medium Duty Cab & Chassis Truck
Horse Power	300 HP
Engine Model	Paccar PX7
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	16,000 lb 5.57 ratio
Stock Number	KN192107
MLS Number	13481508
Category	Cab & Chassis Trucks
Last Updated	1/22/2026
Location	Upper Marlboro, MD, US
Sold By	All Roads Trucks

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2026 Kenworth T280 Single Axle Cab & Chassis Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

$99,995 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	19 Miles
Duty Class	Medium Duty Cab & Chassis Truck
Horse Power	300 HP
Engine Model	Paccar PX7
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	16,000 lb 5.57 ratio
Stock Number	KN192106
MLS Number	13435561
Category	Cab & Chassis Trucks
Last Updated	1/22/2026
Location	Upper Marlboro, MD, US
Sold By	All Roads Trucks

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2023 Chevrolet 6500 Mechanic / Service Truck - Duramax, 350HP

$153,770 USD

This Chevrolet 6500 4x4 Load King Voyager-P Propane Service Truck w/ Stinger Crane features a 23,000 lb GVWR, 7,500 lb front axle, and 15,500 lb rear axle, delivering solid capacity for...

Condition	New
Horse Power	350 HP
Engine Model	Duramax 6.6L D
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	15,500 lb
Stock Number	PH745129
MLS Number	14024622
Category	Mechanic / Utility / Service Trucks
Last Updated	1/22/2026
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

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2023 Chevrolet 5500 Mechanic / Service Truck - Duramax, 350HP

$198,505 USD

The 2023 Chevrolet 5500 Crew Cab 4x4 Yard Section Truck is purpose-built for rail section operators who need a reliable, fully outfitted platform for maintaining track integrity and...

Condition	New
Horse Power	350 HP
Engine Model	Duramax 6.6L D
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	15,500 lb
Stock Number	PH494975
MLS Number	14104382
Category	Mechanic / Utility / Service Trucks
Last Updated	1/22/2026
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

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2025 Kenworth T880 Tri Axle Dump Truck - Paccar 510HP, 6 Speed Allison Rds Automatic, 17' Dump

$220,995 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	850 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Air-Flo
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	59,500 lb 4.30 ratio
Stock Number	KN165267
MLS Number	13374515
Category	Dump Trucks
Last Updated	1/22/2026
Location	Upper Marlboro, MD, US
Sold By	All Roads Trucks

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2025 Kenworth T880 Tri Axle Dump Truck - Paccar 510HP, 6 Speed Allison Rds Automatic, 17' Dump

$220,995 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	830 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Air-Flo
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	59,500 lb 4.30 ratio
Stock Number	KN165270
MLS Number	13374511
Category	Dump Trucks
Last Updated	1/22/2026
Location	Upper Marlboro, MD, US
Sold By	All Roads Trucks

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2026 Peterbilt 548 Dump Truck - Paccar 370HP

$222,870 USD

The Peterbilt 548 10x4 18' Load King Dump Truck offers exceptional versatility and durability for a wide range of hauling applications. Its 18-foot elliptical dump body, with a capacity of...

Condition	New
Usage	1,472 Miles
Horse Power	370 HP
Engine Model	Paccar PX9 D
Drivetrain	10x4
Transmission	6 Speed
Rear End	40,000 lb
Stock Number	TM789844
MLS Number	13786182
Category	Dump Trucks
Last Updated	1/23/2026
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

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2026 Peterbilt 567 Tri Axle Dump Truck - Paccar 510HP, 6 Speed Allison Rds Automatic, 17.5' Dump

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2026 LEFTOVER. MX-13 CONNECTED TO AN ALLISON 6 SPEED RDS TRANSMISSION. READY TO WORK FOR SPRING!,

Condition	New
Usage	1,715 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	PIK RITE
Bed Length	17.5
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 4.30 ratio
Stock Number	277680
MLS Number	14087904
Category	Dump Trucks
Last Updated	1/21/2026
Location	Allentown, PA, US
Sold By	Hunter Truck

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2026 Peterbilt 589 Tri Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 18' Dump

$295,000 USD

NEW 2026 BAFFIN BLUE 589 DUMP TRUCK! 18FT STEEL SMOOTH SIDE DUMP BODY, POWERED WITH CUMMINS X15 ENGINE AND ALLISON 4500 SERIES TRANSMISSION. PLEASE CALL INTO HUNTER TRUCK BUTLER FOR MORE...

Condition	New
Usage	1,419 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	18 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	283186
MLS Number	14086007
Category	Dump Trucks
Last Updated	1/21/2026
Location	Butler, PA, US
Sold By	Hunter Truck

(724) 648-___ SHOW
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2026 Peterbilt 567 Five Axle Dump Truck - Cummins 525HP, 6 Speed Allison Rds Automatic, 20' Dump

$279,500 USD

NEW Quint Axle, 20' R/S Steel Dump w/48" Sides, X15 Cummins 525 HP, Allison Automatic 6 Speed, 4.10 Ratio, 3 Stage Engine Brake, HaulMaax, EX, Dual Exhaust, Double Frame, 20K FA, 46KRA, (3)...

Condition	New
Usage	1,466 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	R/S GODWIN
Bed Length	20 ft.
Horse Power	525 HP
Engine Model	Cummins X15
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Five Axle
Rear End	4.10 ratio
Stock Number	TD773186
MLS Number	13791333
Category	Dump Trucks
Last Updated	2/5/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(844) 305-___ SHOW
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