New Medium Duty 6 Speed Trucks For Sale

Your Current Search
Industry
Trucks
GVWR Category
Medium Duty
Transmission Speeds
6 Speed
Condition
New
Click the to remove the filter.
Narrow Your Search
Keyword Search
Search within the selected criteria
Equipment Type
Trucks (145)
Cars (10)
Model
Select a manufacturer to view available models.
Condition
New (155)
Model Year
-
GVWR Category
Medium Duty (155)
Rear Axle
Single (114)
Transmission Type
Transmission Speed
6 Speed (155)
Drive Train
Suspension Type
Cab Style
Fuel Type
Mileage
-
Horsepower
-
Price
-
Country
United States (155)
State / Region
Select a state below and click Refine Results.














Market Type
For Sale (155)

Showing 76 - 100 of 155 Truck Listings

76 - 100 of 155 listings
76 - 100 of 155 listings
Isuzu FTR Chipper Truck - Cummins, 6 Speed Allison Rds Automatic

2025 Isuzu FTR Chipper Truck - Cummins, 6 Speed Allison Rds Automatic

$131,788 USD
Isuzu FTR 16ft PJs Chip Body, 25950lb GVWR, 6.7L Cummins Diesel, 6 Speed Allison 2550RDS Trans, Combo Pintle hitch 20,000lbs,
ConditionNew
Usage124 Miles
Duty ClassMedium Duty Chipper Truck
Box Length16 ft.
Transmission6 Speed Allison RDS Automatic
Rear AxleSingle Axle
Stock NumberIN03125
MLS Number13586604
CategoryChipper Trucks
Last Updated11/6/2025
Location
Bel Air, MD, US
Sold By
All Roads Trucks
IN STOCK - 2025 Mack MD6 Sewer / Septic Truck - Iron-Vac 2100 Gallon Polished Aluminum Tank Tank Body

IN STOCK - 2025 Mack MD6 Sewer / Septic Truck - Iron-Vac 2100 Gallon Polished Aluminum Tank Tank Body

$159,029 USD
THIS UNIT IS CURRENTLY IN STOCK 2025 Mack MD6 (2 YR Manufacturer Warranty) Cummins 6.7L (300HP) 2500 Allison Automatic Transmission 26k GVWR 2100 Gallon Polished Aluminum Tank (5 YR...
Warranty
ConditionNew
Duty ClassMedium Duty Sewer / Septic Truck
Upfit TypeTank Body
Upfit MakeIron-Vac
Upfit Model2100 Gallon Polished Aluminum Tank
Horse Power300 HP
Engine ModelCummins 6.7L
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End5.57 ratio
Capacity2100 Gallons
MLS Number13703507
CategorySewer / Septic Trucks
Last Updated10/31/2025
Location
Searcy, AR, US
Sold By
SepticTrucks.com
IN STOCK - 2026 Peterbilt 536 Sewer / Septic Truck - Iron-Vac 2100 Gallon Steel Tank Tank Body

IN STOCK - 2026 Peterbilt 536 Sewer / Septic Truck - Iron-Vac 2100 Gallon Steel Tank Tank Body

$152,030 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" Steel Tank (5 YR...
Warranty
ConditionNew
Duty ClassMedium Duty Sewer / Septic Truck
Upfit TypeTank Body
Upfit MakeIron-Vac
Upfit Model2100 Gallon Steel Tank
Horse Power300 HP
Engine ModelCummins PX7
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End5.57 ratio
Capacity2100 Gallons
MLS Number13955847
CategorySewer / Septic Trucks
Last Updated10/31/2025
Location
Searcy, AR, US
Sold By
SepticTrucks.com
IN STOCK - 2026 Peterbilt 536 Sewer / Septic Truck - Iron-Vac 2100 Gallon Aluminum Tank Tank Body

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

$159,269 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" Aluminum Tank (5 YR...
Warranty
ConditionNew
Duty ClassMedium Duty Sewer / Septic Truck
Upfit TypeTank Body
Upfit MakeIron-Vac
Upfit Model2100 Gallon Aluminum Tank
Horse Power300 HP
Engine ModelCummins PX7
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End5.57 ratio
Capacity2100 Gallons
MLS Number13955861
CategorySewer / Septic Trucks
Last Updated10/30/2025
Location
Searcy, AR, US
Sold By
SepticTrucks.com
Ford F-650 XL Single Axle Dump Truck - 6 Speed Automatic

2025 Ford F-650 XL Single Axle Dump Truck - 6 Speed Automatic

$104,874 USD
JUST IN!!! 2024 Ford F650 Gasoline 26,000lb GVWR 10' 5 to 7 yard Crysteel Dump Body with Electric over Hydraulic Double Roller Cam hoist!,
ConditionNew
Usage93 Miles
Duty ClassMedium Duty Dump Truck
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End6.50 ratio
Stock Number341953
MLS Number13470352
CategoryDump Trucks
Last Updated10/30/2025
Location
Walpole, MA, US
Sold By
Allegiance Trucks
Ford F-650 Single Axle Dump Truck - 6 Speed Automatic

2025 Ford F-650 Single Axle Dump Truck - 6 Speed Automatic

$105,670 USD
NEW ARRIVAL!! 2025 Ford F650 Gasoline 26,000lb GVWR 10' 5 to 7 yard SH Dump Body with Electric over Hydraulic Double Pump Twin-Piston Hoist, Aluminum Toolbox, Full Electric Auto Tarp, AND...
ConditionNew
Usage93 Miles
Duty ClassMedium Duty Dump Truck
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End6.50 ratio
Stock Number339381
MLS Number12968257
CategoryDump Trucks
Last Updated10/30/2025
Location
Walpole, MA, US
Sold By
Allegiance Trucks
Ford F-650 Dump Truck - Automatic

2024 Ford F-650 Dump Truck - Automatic

$97,228 USD
NEW ARRIVAL!! 2024 Ford F650 Gasoline 26,000lb GVWR 10' 5 to 7 yard Crysteel Dump Body with Electric over Hydraulic Double Roller Cam Hoist and Full Electric Auto Tarp! AVAILABLE IN ALL 50...
ConditionNew
Usage122 Miles
Duty ClassMedium Duty Dump Truck
Transmission6 Speed Automatic
Rear End6.50 ratio
Stock Number330516
MLS Number12749820
CategoryDump Trucks
Last Updated10/30/2025
Location
Walpole, MA, US
Sold By
Allegiance Trucks
International MV Single Axle Rollback Tow Truck - Cummins, 300HP, 6 Speed Allison Rds Automatic

2026 International MV Single Axle Rollback Tow Truck - Cummins, 300HP, 6 Speed Allison Rds Automatic

Contact for price
Century 22’ Steel LCG12 (12K Deck) Rollback, 4K AutoGrip Wheel Lift, 8K Deck Winch, ITD SP9000 (Side Puller) with 91” Wide Light Box/Dress Up Panels, Lodar Wireless Control for both Winches,...
ConditionNew
Usage1 Miles
Duty ClassMedium Duty Rollback Tow Truck
Horse Power300 HP
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Stock NumberC1735-R1383
MLS Number13916580
CategoryRollback Tow Trucks
Last Updated10/23/2025
Location
Ellicott City, MD, US
Sold By
All Roads Trucks
International MV Single Axle Rollback Tow Truck - Cummins, 300HP, 6 Speed Allison Rds Automatic

2026 International MV Single Axle Rollback Tow Truck - Cummins, 300HP, 6 Speed Allison Rds Automatic

Contact for price
Century 21’6” Steel LCG12 (12K Deck), 4K Wheel Lift with Slide-In L-Arms, Bed mounted pylon, Federal Allegiant 24 Head LED Amber Light Bar, Maxima Work lights, Towmate Wireless, Lodar...
ConditionNew
Usage1 Miles
Duty ClassMedium Duty Rollback Tow Truck
Horse Power300 HP
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Stock NumberC1793-R1486
MLS Number13866593
CategoryRollback Tow Trucks
Last Updated10/23/2025
Location
Ellicott City, MD, US
Sold By
All Roads Trucks
Kenworth T280 Single Axle Rollback Tow Truck - Cummins, 300HP

2025 Kenworth T280 Single Axle Rollback Tow Truck - Cummins, 300HP

Contact for price
Model Year: 2025, Model: T280, Engine: PACCAR PX-7, Horsepower: 300 HP, Transmission: Allison 2500RDS with PTO Gear, Front Axle: Hendrickson Steertek NXT 10,000 lb capacity, Rear Axle: Dana...
ConditionNew
Usage111 Miles
Duty ClassMedium Duty Rollback Tow Truck
Bed Length21.5
Horse Power300 HP
Engine ModelPaccar PX7
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End16,000 lb
Stock NumberC1403-R1403
MLS Number13277671
CategoryRollback Tow Trucks
Last Updated10/23/2025
Location
Ellicott City, MD, US
Sold By
All Roads Trucks
International MV Single Axle Rollback Tow Truck - Cummins, 250HP, 6 Speed Allison Rds Automatic

2025 International MV Single Axle Rollback Tow Truck - Cummins, 250HP, 6 Speed Allison Rds Automatic

Contact for price
Century 21’6” Steel 10 Series, Removable Rails, 8K Winch, 2-48” Tool Boxes, Federal 24 Head LED Allegiant Light Bar, Maxima Work Lights, Wireless Towmate,
ConditionNew
Usage1 Miles
Duty ClassMedium Duty Rollback Tow Truck
Horse Power250 HP
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionSpring
Rear AxleSingle Axle
Stock NumberC1700-R1431
MLS Number13873760
CategoryRollback Tow Trucks
Last Updated10/18/2025
Location
Ellicott City, MD, US
Sold By
All Roads Trucks
International MV Single Axle Rollback Tow Truck - 300HP, 6 Speed Allison Rds Automatic

2025 International MV Single Axle Rollback Tow Truck - 300HP, 6 Speed Allison Rds Automatic

Contact for price
2025 White International MVEC, 300hp ABARAW-22.5, Century 21'6" Steel LCG12 Rollback,
ConditionNew
Usage1 Miles
Duty ClassMedium Duty Rollback Tow Truck
Bed Length21.5
Horse Power300 HP
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Stock NumberC1619-R1372
MLS Number13872517
CategoryRollback Tow Trucks
Last Updated10/18/2025
Location
Ellicott City, MD, US
Sold By
All Roads Trucks
Isuzu NRR Landscape Truck - 6 Speed Automatic

2024 Isuzu NRR Landscape Truck - 6 Speed Automatic

$82,788 USD
IN304346 New 2024 Isuzu NRR crew cab 14ft Landscape dump, 19,500 lbs. GVWR, 5.57 rear axle ratio, 4HK1-TC 215 hp engine, Wabco exhaust brake, Aisin A465ID 6-speed automatic transmission,...
ConditionNew
Usage21 Miles
Duty ClassMedium Duty Landscape Truck
Bed Length14 ft.
Drivetrain4x2
Transmission6 Speed Automatic
Rear AxleSingle Axle
Rear End5.57 ratio
Stock NumberIN304346
MLS Number13127248
CategoryLandscape Trucks
Last Updated10/18/2025
Location
Rosedale, MD, US
Sold By
All Roads Trucks
2026 Peterbilt 536 Sewer / Septic Truck - Iron-Vac 2100 Gallon Polished Aluminum Tank Tank Body

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
ConditionNew
Duty ClassMedium Duty Sewer / Septic Truck
Upfit TypeTank Body
Upfit MakeIron-Vac
Upfit Model2100 Gallon Polished Aluminum Tank
Horse Power300 HP
Engine ModelCummins PX7
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End5.57 ratio
Capacity2100 Gallons
MLS Number13885387
CategorySewer / Septic Trucks
Last Updated10/15/2025
Location
Searcy, AR, US
Sold By
SepticTrucks.com
Kenworth T280 Single Axle Cab & Chassis Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

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...
ConditionNew
Usage596 Miles
Duty ClassMedium Duty Cab & Chassis Truck
Horse Power300 HP
Engine ModelPaccar PX7
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End16,000 lb 5.57 ratio
Stock NumberKN192118
MLS Number13693797
CategoryCab & Chassis Trucks
Last Updated10/15/2025
Location
Rosedale, MD, US
Sold By
All Roads Trucks
Kenworth T280 Single Axle Cab & Chassis Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

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

$99,995 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: T280...
ConditionNew
Usage4 Miles
Duty ClassMedium Duty Cab & Chassis Truck
Horse Power300 HP
Engine ModelPaccar PX7
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End16,000 lb 5.57 ratio
Stock NumberKN192115
MLS Number13693432
CategoryCab & Chassis Trucks
Last Updated10/15/2025
Location
Naples, FL, US
Sold By
All Roads Trucks
Kenworth T280 Single Axle Cab & Chassis Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

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

$99,995 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: T280...
ConditionNew
Usage245 Miles
Duty ClassMedium Duty Cab & Chassis Truck
Horse Power300 HP
Engine ModelPaccar PX7
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End16,000 lb 5.57 ratio
Stock NumberKN192113
MLS Number13693430
CategoryCab & Chassis Trucks
Last Updated10/15/2025
Location
Naples, FL, US
Sold By
All Roads Trucks
Kenworth T280 Single Axle Cab & Chassis Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

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

$99,995 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: T280...
ConditionNew
Usage1,699 Miles
Duty ClassMedium Duty Cab & Chassis Truck
Horse Power300 HP
Engine ModelPaccar PX7
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End16,000 lb 5.57 ratio
Stock NumberKN192112
MLS Number13603518
CategoryCab & Chassis Trucks
Last Updated10/15/2025
Location
Fort Lauderdale, FL, US
Sold By
All Roads Trucks
Kenworth T280 Single Axle Cab & Chassis Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

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

$99,995 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: T280...
ConditionNew
Usage1,906 Miles
Duty ClassMedium Duty Cab & Chassis Truck
Horse Power300 HP
Engine ModelPaccar PX7
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End16,000 lb 5.57 ratio
Stock NumberKN192111
MLS Number13537605
CategoryCab & Chassis Trucks
Last Updated10/15/2025
Location
Fort Lauderdale, FL, US
Sold By
All Roads Trucks
Kenworth T280 Single Axle Cab & Chassis Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

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...
ConditionNew
Usage8 Miles
Duty ClassMedium Duty Cab & Chassis Truck
Horse Power300 HP
Engine ModelPaccar PX7
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End16,000 lb 5.57 ratio
Stock NumberKN192119
MLS Number13712743
CategoryCab & Chassis Trucks
Last Updated10/15/2025
Location
Rosedale, MD, US
Sold By
All Roads Trucks
Kenworth T280 Single Axle Cab & Chassis Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

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

$99,995 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: T280...
ConditionNew
Usage11 Miles
Duty ClassMedium Duty Cab & Chassis Truck
Horse Power300 HP
Engine ModelPaccar PX7
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End16,000 lb 5.57 ratio
Stock NumberKN192117
MLS Number13693436
CategoryCab & Chassis Trucks
Last Updated10/15/2025
Location
Naples, FL, US
Sold By
All Roads Trucks
Kenworth T280 Single Axle Cab & Chassis Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

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

$99,995 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: T280...
ConditionNew
Usage11 Miles
Duty ClassMedium Duty Cab & Chassis Truck
Horse Power300 HP
Engine ModelPaccar PX7
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End16,000 lb 5.57 ratio
Stock NumberKN192116
MLS Number13693435
CategoryCab & Chassis Trucks
Last Updated10/15/2025
Location
Naples, FL, US
Sold By
All Roads Trucks
Kenworth T280 Single Axle Cab & Chassis Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

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...
ConditionNew
Duty ClassMedium Duty Cab & Chassis Truck
Horse Power300 HP
Engine ModelPaccar PX7
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End16,000 lb 5.57 ratio
Stock NumberKN192103
MLS Number13435558
CategoryCab & Chassis Trucks
Last Updated10/15/2025
Location
Landover, MD, US
Sold By
All Roads Trucks
Kenworth T280 Single Axle Cab & Chassis Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

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...
ConditionNew
Duty ClassMedium Duty Cab & Chassis Truck
Horse Power300 HP
Engine ModelPaccar PX7
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End16,000 lb 5.57 ratio
Stock NumberKN192104
MLS Number13435557
CategoryCab & Chassis Trucks
Last Updated10/15/2025
Location
Landover, MD, US
Sold By
All Roads Trucks
International MV Rollback Tow Truck - Cummins, 300HP, 6 Speed Allison Rds Automatic

2026 International MV Rollback Tow Truck - Cummins, 300HP, 6 Speed Allison Rds Automatic

Contact for price
Century 22’ Steel LCG12, ITD SP9000 (Side Puller), Lodar,
ConditionNew
Usage1 Miles
Duty ClassMedium Duty Rollback Tow Truck
Horse Power300 HP
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Stock NumberC1799-R1491
MLS Number13870921
CategoryRollback Tow Trucks
Last Updated10/7/2025
Location
Ellicott City, MD, US
Sold By
All Roads Trucks
Did you find what you were looking for? Yes No