New 6 Speed Trucks For Sale in United States

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2025 Mack MD6 Mechanic / Service Truck - Cummins, 235HP, Automatic

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2025 MACK MD6 S016234, Engine: CUMMINS, Transmission: Automatic, Horsepower: 235.0, Key Features:, , 72-11 High Side, , Body Details, , Manufacturer Palfinger, , Body Line PAL Pro 72-11, , Has...

Condition	New
Usage	1,178 Miles
Duty Class	Medium Duty Service Truck
Horse Power	235 HP
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	4 Spring
Rear Axle	Single Axle
Stock Number	S016234
MLS Number	13499054
Category	Mechanic / Utility / Service Trucks
Last Updated	8/6/2025
Location	Fairfield, TX, US
Sold By	Service Truck Depot

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2025 Isuzu FTR Hooklift Truck - Stellar Slider26 Hooklift Hoist

$148,900 USD

2025 Isuzu FTR – Ready to Work!, Under CDL!!!, Get the job done with this powerful, versatile truck featuring:, Matted to a Stellar 26 Hook Lift Hoist: Easily handles containers from 12'...

Warranty

Condition	New
Duty Class	Medium Duty Hooklift Truck
Upfit Type	Hooklift Hoist
Upfit Make	Stellar
Upfit Model	Slider26
Horse Power	260 HP
Engine Model	Cummins B67
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Rear Axle	Single Axle
Rear End	19,000 lb 5.57 ratio
Lift Capacity	26000.00 Lb
Stock Number	1775985
MLS Number	13424210
Category	Hooklift Trucks
Last Updated	7/19/2025
Location	Atlanta, GA, US
Sold By	Rush Truck Centers Atlanta

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77 0

2024 Isuzu NRR 20 ft Box Truck - 6 Speed Automatic, Roll up Door, Liftgate

$69,895 USD

2024 Isuzu NRR 20’ Box Truck with Liftgate Quick Highlights:, , Engine: 5.2L Isuzu Turbo Diesel – Reliable and fuel-efficient for heavy-duty tasks , Transmission: Automatic – Smooth and...

Condition	New
Usage	467 Miles
Duty Class	Medium Duty Box Truck
Box Length	20 ft.
Drivetrain	4x2
Transmission	6 Speed Automatic
Door Type	Roll up
Liftgate	Yes
Stock Number	4IT0831
MLS Number	13166862
Category	Delivery / Moving / Straight / Box Trucks
Last Updated	7/24/2025
Location	Greensboro, NC, US
Sold By	Impex Heavy Metal

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2025 International MV Water Truck - Water Tank Body

$125,000 USD

2025 INTERNATIONAL MV 2000 GALLON WATER TRUCK - New with full warranty - Cummins - Automatic - Ratio: 5.57 - New 2000 Gallon Water Tank - 650 GPM Pump - 5 Spray Heads - Baffled - Hose Reel -...

Condition	New
Usage	912 Miles
Duty Class	Medium Duty Water Truck
Upfit Type	Water Tank Body
Horse Power	240 HP
Engine Model	Cummins B 6.7
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	5.22 ratio
Capacity	2000 Gallons
Compartments	2
Stock Number	526643
MLS Number	13713356
Category	Water Trucks
Last Updated	7/21/2025
Location	New Boston, TX, US
Sold By	Trademark Truck Sales

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

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$263,900 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	8/9/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

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32 0

2026 Freightliner M2-106 Plus Single Axle Cab & Chassis Truck - Cummins, 250HP, Automatic

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$89,995 USD

2026 Freightliner M2106 at Broward Freightliner in Pompano Beach, Florida. With an all-new interior built for comfort, and powertrain options for increased performance, our M2106 improves on...

Condition	New
Usage	27 Miles
Horse Power	250 HP
Engine Model	Cummins ISB
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	19,000 lb
Stock Number	THWJ2080
MLS Number	13397546
Category	Cab & Chassis Trucks
Last Updated	8/9/2025
Location	Pompano Beach, FL, US
Sold By	Go Freightliner of Broward

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2026 Peterbilt 548 Dump Truck - Paccar 360HP

Newly Listed

$195,402 USD

Take on the toughest jobs with the Peterbilt 548 6x4 Dump Truck, engineered for strength and reliability. Powered by a 360 HP PACCAR PX9 D engine and smooth automatic transmission, this...

Condition	New
Horse Power	360 HP
Engine Model	Paccar PX9 D
Drivetrain	6x4
Transmission	6 Speed
Rear End	40,000 lb
Stock Number	TM789332
MLS Number	13751073
Category	Dump Trucks
Last Updated	8/9/2025
Location	Union Grove, WI, US
Sold By	Custom Truck One Source

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2026 Freightliner M2 106 Boom / Bucket Truck - 300HP

Newly Listed

$227,900 USD

Owning a Freightliner M2 106 4x2 TC55 bucket truck offers exceptional performance and reliability for utility operations. With a 33,000 lb GVWR, this truck is built to handle heavy-duty...

Condition	New
Horse Power	300 HP
Engine Model	Cummins L9 D
Drivetrain	4x2
Transmission	6 Speed
Suspension	Spring
Rear End	21,000 lb
Stock Number	TDWS3062
MLS Number	13751059
Category	Boom & Bucket Trucks
Last Updated	8/9/2025
Location	Union Grove, WI, US
Sold By	Custom Truck One Source

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2025 Volvo VHD64 Roll Off Truck - D13 D, 455HP

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Built for serious hauling, this Volvo VHD64 8x4 Galbreath US-OR-194 Roll-Off combines raw power with rugged dependability. Its 455 HP Volvo D13D engine, automatic transmission, and...

Condition	New
Horse Power	455 HP
Engine Model	Volvo D13 D
Drivetrain	8x4
Transmission	6 Speed
Rear End	46,000 lb
Stock Number	SN665146
MLS Number	13751057
Category	Roll Off Trucks
Last Updated	8/9/2025
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

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2025 Freightliner M2 106 Mechanic / Service Truck - Cummins, 330HP

Newly Listed

$234,195 USD

Ready to work today! This Freightliner M2106 4x2 IMT 1200025 Service Truck delivers the power, payload, and performance you need. The 330 HP Cummins L9D engine and automatic transmission...

Condition	New
Horse Power	330 HP
Engine Model	Cummins L9 D
Drivetrain	4x2
Transmission	6 Speed
Rear End	21,000 lb
Stock Number	SDWD9723
MLS Number	13751056
Category	Mechanic / Utility / Service Trucks
Last Updated	8/9/2025
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

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2025 Freightliner M2 106 Digger Derrick Truck - Cummins, 300HP

Recently Updated

$264,215 USD

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	SDVJ1358
MLS Number	13056592
Category	Digger Derrick Trucks
Last Updated	8/9/2025
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

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2024 Isuzu NRR Single Axle Cab & Chassis Truck - 4HK1TC, 215HP, 6 Speed Automatic

Price Drop

$82,788 USD

New 2024 Isuzu NRR diesel crew cab chassis, 176” wheelbase, 150" CA, 19,500 lbs. GVWR, 5.57 rear axle ratio, 4HK1-TC 215 hp engine, Wabco exhaust brake, Aisin A465ID 6-speed automatic...

Condition	New
Usage	767 Miles
Duty Class	Medium Duty Cab & Chassis Truck
Horse Power	215 HP
Engine Model	Isuzu 4HK1TC
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	5.37 ratio
Stock Number	IN04346
MLS Number	13401749
Category	Cab & Chassis Trucks
Last Updated	8/9/2025
Location	Bel Air, MD, US
Sold By	All Roads Trucks

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2024 Freightliner M2 106 Boom / Bucket Truck - 300HP

Recently Updated

$231,360 USD

FOR SALE! A brand new 2023 Freightliner M2106 4x4 upfitted with a Terex TC55 Optima bucket. This vehicle is powered by a 300 hp Cummins L9 diesel motor, and gears are shifted via an Allison...

Condition	New
Usage	62 Miles
Horse Power	300 HP
Engine Model	Cummins L9 D
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	21,000 lb
Stock Number	RDVE1032
MLS Number	13173792
Category	Boom & Bucket Trucks
Last Updated	8/9/2025
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

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2024 Isuzu NRR Single Axle Cab & Chassis Truck - Gm, 350HP, 6 Speed Allison Rds Automatic

Price Drop

$65,800 USD

Year: 2024, Series: NRRGAS - NRRGAS CAB/CHASSIS, Model: 1U4 - NRRGAS 176" 6.6L, Color: White, Engine and Powertrain: Engine Model: GMPT6.6 (6.6L V8 Gas Engine), Transmission: Allison 1000...

Condition	New
Usage	125 Miles
Duty Class	Medium Duty Cab & Chassis Truck
Horse Power	350 HP
Engine Model	L8T
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	5.37 ratio
Stock Number	IN01264
MLS Number	13286032
Category	Cab & Chassis Trucks
Last Updated	8/9/2025
Location	Upper Marlboro, MD, US
Sold By	All Roads Trucks

21 0

2025 Isuzu NRR Single Axle Cab & Chassis Truck - Gm, 350HP, 6 Speed Allison Rds Automatic

Price Drop

$62,788 USD

New 2025 Isuzu NRR GAS chassis, standard cab, 150” wheelbase, 127.5" CA, 19,500 lbs. GVWR, 5.375 rear axle ratio, GMPT-V8 6.6L gas engine producing 350 hp and 425 lb.-ft. torque, Allison...

Condition	New
Usage	5 Miles
Duty Class	Medium Duty Cab & Chassis Truck
Horse Power	350 HP
Engine Model	L8T
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	5.37 ratio
Stock Number	IN03879
MLS Number	13270996
Category	Cab & Chassis Trucks
Last Updated	8/9/2025
Location	Landover, MD, US
Sold By	All Roads Trucks

23 0

2025 Isuzu NRR 20 ft Box Truck - 350HP, 6 Speed Allison Rds Automatic, Roll up Door, Liftgate

Price Drop

$87,958 USD

Equipped with a 20' dry van body and 3,300# rear liftgate New 2025 Isuzu NRR GAS chassis, standard cab, 176" wheelbase, 153.5" CA, 19,500 lbs. GVWR, 5.375 rear axle ratio, GMPT-V8 6.6L gas...

Condition	New
Usage	101 Miles
Duty Class	Medium Duty Box Truck
Box Length	20 ft.
Horse Power	350 HP
Engine Model	L8T
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	5.37 ratio
Door Type	Roll up
Lining Type	Aluminum
Liftgate	Yes
Stock Number	IN00561
MLS Number	13270896
Category	Delivery / Moving / Straight / Box Trucks
Last Updated	8/9/2025
Location	Landover, MD, US
Sold By	All Roads Trucks

20 0

2025 Isuzu NRR 20 ft Box Truck - 350HP, 6 Speed Allison Rds Automatic, Roll up Door, Liftgate

Price Drop

$89,985 USD

Equipped with 20' SP van body w/liftgate New 2025 Isuzu NRR GAS chassis, standard cab, 176" wheelbase, 153.5" CA, 19,500 lbs. GVWR, 5.375 rear axle ratio, GMPT-V8 6.6L gas engine producing...

Condition	New
Usage	125 Miles
Duty Class	Medium Duty Box Truck
Box Length	20 ft.
Horse Power	350 HP
Engine Model	L8T
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	5.37 ratio
Door Type	Roll up
Lining Type	Plywood
Liftgate	Yes
Stock Number	IN02971
MLS Number	13270885
Category	Delivery / Moving / Straight / Box Trucks
Last Updated	8/9/2025
Location	Landover, MD, US
Sold By	All Roads Trucks

20 0

2025 Isuzu NRR Box Truck - 350HP, 6 Speed Allison Rds Automatic, Liftgate

Price Drop

$89,985 USD

Equipped with EBY 20' Box w/Liftgate New 2025 Isuzu NRR GAS chassis, standard cab, 176” wheelbase, 145" CA, 19,500 lbs. GVWR, 5.375 rear axle ratio, 6.6L GMPT V8 gas engine producing 350 hp...

Condition	New
Usage	125 Miles
Duty Class	Medium Duty Box Truck
Horse Power	350 HP
Engine Model	L8T
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	5.37 ratio
Liftgate	Yes
Stock Number	IN02973
MLS Number	13167187
Category	Delivery / Moving / Straight / Box Trucks
Last Updated	8/9/2025
Location	Mardela Springs, MD, US
Sold By	All Roads Trucks

13 0

2024 Isuzu NRR Single Axle Cab & Chassis Truck - Gm, 350HP, 6 Speed Allison Rds Automatic

Price Drop

$65,985 USD

New 2025 Isuzu NRR GAS chassis, standard cab, 150" wheelbase, 118" CA, 19,500 lbs. GVWR, 5.375 rear axle ratio, 6.6L GMPT V8 gas engine producing 350 hp and 425 lb.-ft. of torque, Allison...

Condition	New
Usage	4 Miles
Duty Class	Medium Duty Cab & Chassis Truck
Horse Power	350 HP
Engine Model	L8T
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	5.37 ratio
Stock Number	IN00302
MLS Number	13113564
Category	Cab & Chassis Trucks
Last Updated	8/9/2025
Location	Bel Air, MD, US
Sold By	All Roads Trucks

13 0

2025 Isuzu NRR Single Axle Cab & Chassis Truck - Gm, 350HP, 6 Speed Allison Rds Automatic

Price Drop

$65,985 USD

New 2025 Isuzu NRR GAS chassis, standard cab, 176" wheelbase, 145" CA, 19,500 lbs. GVWR, 5.375 rear axle ratio, 6.6L GMPT V8 gas engine producing 350 hp and 425 lb.-ft. of torque, Allison...

Condition	New
Usage	5 Miles
Duty Class	Medium Duty Cab & Chassis Truck
Horse Power	350 HP
Engine Model	L8T
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	5.37 ratio
Stock Number	IN01142
MLS Number	13113559
Category	Cab & Chassis Trucks
Last Updated	8/9/2025
Location	Bel Air, MD, US
Sold By	All Roads Trucks

17 0

2025 Isuzu NRR Single Axle Cab & Chassis Truck - 350HP, Automatic

Price Drop

$65,985 USD

New 2025 Isuzu NRR GAS chassis, standard cab, 176” wheelbase, 145" CA, 19,500 lbs. GVWR, 5.375 rear axle ratio, 6.6L GMPT V8 gas engine producing 350 hp and 425 lb.-ft. of torque, Allison...

Condition	New
Usage	4 Miles
Duty Class	Medium Duty Cab & Chassis Truck
Horse Power	350 HP
Engine Model	L8T
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	5.37 ratio
Stock Number	IN02972
MLS Number	13113260
Category	Cab & Chassis Trucks
Last Updated	8/9/2025
Location	Bel Air, MD, US
Sold By	All Roads Trucks

29 0

2025 Isuzu NRR 20 ft Box Truck - Automatic, Liftgate

Recently Updated

$89,985 USD

New 2025 Isuzu NRR GAS chassis, standard cab, 20' aluminum van body with 2,500 lbs. aluminum liftgate, 176” wheelbase, 145" CA, 19,500 lbs. GVWR, 5.375 rear axle ratio, 6.6L GMPT V8 gas...

Condition	New
Usage	711 Miles
Duty Class	Medium Duty Box Truck
Box Length	20 ft.
Horse Power	350 HP
Engine Model	L8T
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	5.37 ratio
Door Type	Roll up
Liftgate	Yes
Stock Number	IN01141
MLS Number	13113257
Category	Delivery / Moving / Straight / Box Trucks
Last Updated	8/9/2025
Location	Bel Air, MD, US
Sold By	All Roads Trucks

19 0

2025 Isuzu NRR 20 ft Box Truck - 350HP, 6 Speed Allison Rds Automatic, Roll up Door, Liftgate

Price Drop

$83,678 USD

New 2025 Isuzu NRR GAS chassis, standard cab, 176” wheelbase, 153.5" CA, 19,500 lbs. GVWR, 5.375 rear axle ratio, GMPT 6.6L V8 gas engine with 350 hp and 425 lb.-ft. of torque, Allison 1000...

Condition	New
Usage	5 Miles
Duty Class	Medium Duty Box Truck
Box Length	20 ft.
Horse Power	350 HP
Engine Model	L8T
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	5.37 ratio
Door Type	Roll up
Liftgate	Yes
Stock Number	IN00367
MLS Number	13113248
Category	Delivery / Moving / Straight / Box Trucks
Last Updated	8/9/2025
Location	Landover, MD, US
Sold By	All Roads Trucks