Used Mack 6 Speed Trucks with Cummins Engines For Sale

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Showing 1 - 6 of 6 Listings

1 - 6 of 6 listings
1 - 6 of 6 listings
Mack MD7 Single Axle Dump Truck - Cummins 300HP, 6 Speed Allison Rds Automatic

2024 Mack MD7 Single Axle Dump Truck - Cummins 300HP, 6 Speed Allison Rds Automatic

$120,000 USD
CUMMINS 6.7,ALLISON AUTO,12KFRT,21KRR, 7936 MILES,ALU WHLS,14FT OXDUMP WITH SWING GATE,3 COAL DOORS,PINTLE PLATE,
ConditionUsed
Usage7,936 Miles
Duty ClassHeavy Duty Dump Truck
Upfit MakeOx Bodies
Horse Power300 HP
Engine ModelCummins B6.7
Transmission6 Speed Allison RDS Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End21,000 lb 4.56 ratio
Stock Number286032
MLS Number14096529
CategoryDump Trucks
Last Updated1/17/2026
Location
Buffalo, NY, US
Sold By
Hunter Truck
Mack MD6 28 ft Box Truck - 235HP, 6 Speed Allison Rds Automatic, Swing Door, Liftgate

2022 Mack MD6 28 ft Box Truck - 235HP, 6 Speed Allison Rds Automatic, Swing Door, Liftgate

$65,000 USD
Super Clean! Low 80,000 Miles, Cummins ISB 235 hp, Allison transmission, 26,000 GVW, 28' Box Van w/ Lift gate, Cruise, Power Windows,,
ConditionUsed
Usage2,067 Hours
Duty ClassMedium Duty Box Truck
Box Length28 ft.
Horse Power235 HP
Engine ModelCummins ISB
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End5.29 ratio
Door TypeSwing
Lining TypeAluminum
LiftgateYes
Stock Number2169
MLS Number13968859
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/17/2026
Location
Rhome, TX, US
Sold By
Jordan Truck Sales of Texas, LLC
Mack Granite 64BR MHD Tandem Axle Cab & Chassis Truck - Cummins, 350HP, 6 Speed Allison Rds Automatic

2020 Mack Granite 64BR MHD Tandem Axle Cab & Chassis Truck - Cummins, 350HP, 6 Speed Allison Rds Automatic

Contact for price
CAB TO END OF FRAME342 ",
ConditionUsed
Usage7,075 Hours
Duty ClassHeavy Duty Cab & Chassis Truck
Horse Power350 HP
Engine ModelCummins L9
Drivetrain6x4
Transmission6 Speed Allison RDS Automatic
SuspensionMack
Rear AxleTandem Axle
Rear End40,000 lb 4.63 ratio
Stock NumberC-37167
MLS Number14075120
CategoryCab & Chassis Trucks
Last Updated1/21/2026
Location
Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By
Gamache Truck Center
Mack Granite GU533 Tandem Axle Flatbed Truck - 350HP, 6 Speed Automatic

2018 Mack Granite GU533 Tandem Axle Flatbed Truck - 350HP, 6 Speed Automatic

$71,500 USD
Used 2018 Mack Granite GU533 Heavy Duty Flatbed Truck for sale, 166,653 miles, 350 HP Cummins L9 diesel engine, 6-speed Allison automatic transmission, tandem rear axle, air ride suspension....
ConditionUsed
Usage166,653 Miles
Duty ClassHeavy Duty Flatbed Truck
Horse Power350 HP
Engine ModelCummins L9
Transmission6 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 4.53 ratio
Stock Number718407
MLS Number13779802
CategoryFlatbed Trucks
Last Updated1/14/2026
Location
North Fond Du Lac, WI, US
Sold By
Penske Used Trucks
Mack Granite GU533 Flatbed Truck - 350HP, 6 Speed Automatic

2020 Mack Granite GU533 Flatbed Truck - 350HP, 6 Speed Automatic

$81,000 USD
Used 2020 Mack Granite GU533 Flatbed Truck for sale, 134,483 miles, Cummins L9 350HP diesel engine, 6-speed Allison automatic transmission, heavy-duty single rear axle, 90-gallon fuel...
ConditionUsed
Usage134,483 Miles
Duty ClassHeavy Duty Flatbed Truck
Horse Power350 HP
Engine ModelCummins L9
Transmission6 Speed Automatic
Rear AxleSingle Axle
Rear End40,000 lb
Stock Number718621
MLS Number14062765
CategoryFlatbed Trucks
Last Updated1/4/2026
Location
North Fond Du Lac, WI, US
Sold By
Penske Used Trucks
Mack MD6 26 ft Box Truck - 260HP, 6 Speed Allison Rds Automatic, Liftgate

2022 Mack MD6 26 ft Box Truck - 260HP, 6 Speed Allison Rds Automatic, Liftgate

$69,900 USD
Single Axle, 26' Marathon Van Body, 2,500 LB "Waltco" Lift Gate, Under CDL, B6.7 Cummins 260 HP, Allison Automatic 6 Speed, 5.57 Ratio, Engine Brake, Air Ride, 268" WB, 10K FA, 17K RA,...
ConditionUsed
Usage3,974 Hours
Duty ClassMedium Duty Box Truck
Box Length26 ft.
Horse Power260 HP
Engine ModelCummins B6.7
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End17,000 lb 5.57 ratio
LiftgateYes
Stock NumberNS004267
MLS Number13124198
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated10/10/2025
Location
Chatham, VA, US
Sold By
J&J Truck Sales
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