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Mack 6 Speed Trucks with Cummins Engines For Sale

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Showing 1 - 14 of 14 Listings

1 - 14 of 14 listings
1 - 14 of 14 listings
Mack Granite GU533 Flatbed Truck - 350HP, 6 Speed Automatic
23 0

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

Newly Listed
$76,000 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 Updated12/27/2025
Location
North Fond Du Lac, WI, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
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Penske Used Trucks
Mack MD6 28 ft Box Truck - 235HP, 6 Speed Allison Rds Automatic, Swing Door, Liftgate
43 0

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 Updated12/11/2025
Location
Rhome, TX, US
Sold By
Jordan Truck Sales of Texas, LLC
(855) 489-___  SHOW
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IN STOCK - 2025 Mack MD7 Sewer / Septic Truck - Iron-Vac 2500 Gallon Tank Body
6 0

IN STOCK - 2025 Mack MD7 Sewer / Septic Truck - Iron-Vac 2500 Gallon Tank Body

$154,993 USD
THIS UNIT IS CURRENTLY IN STOCK 2025 Mack MD7 (2 YR Manufacturer Warranty) Cummins 6.7L (300HP) 2500 Allison Automatic Transmission 33k GVWR 2500 Gallon Stainless SteelTank (5 YR...
Warranty
ConditionNew
Duty ClassHeavy Duty Sewer / Septic Truck
Upfit TypeTank Body
Upfit MakeIron-Vac
Upfit Model2500 Gallon
Horse Power300 HP
Engine ModelCummins 6.7L
Drivetrain4x4
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End5.57 ratio
Capacity2500 Gallons
Stock Number1M2MDBAB8RS074507
MLS Number13635786
CategorySewer / Septic Trucks
Last Updated11/4/2025
Location
Searcy, AR, US
Sold By
SepticTrucks.com
(501) 279-___  SHOW
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IN STOCK - 2025 Mack MD7 Sewer / Septic Truck - Iron-Vac 2500 Gallon Steel Tank Body
7 0

IN STOCK - 2025 Mack MD7 Sewer / Septic Truck - Iron-Vac 2500 Gallon Steel Tank Body

$155,974 USD
THIS UNIT IS CURRENTLY IN STOCK 2025 Mack MD7 (2 YR Manufacturer Warranty) Cummins 6.7L (300HP) 2500 Allison Automatic Transmission 33k GVWR 2500 Gallon Stainless SteelTank (5 YR...
Warranty
ConditionNew
Duty ClassHeavy Duty Sewer / Septic Truck
Upfit TypeTank Body
Upfit MakeIron-Vac
Upfit Model2500 Gallon
Horse Power300 HP
Engine ModelCummins 6.7L
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Capacity2500 Gallons
Stock Number1M2MDBAB4SS075904
MLS Number13642840
CategorySewer / Septic Trucks
Last Updated10/31/2025
Location
Searcy, AR, US
Sold By
SepticTrucks.com
(501) 279-___  SHOW
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IN STOCK - 2025 Mack MD6 Sewer / Septic Truck - Iron-Vac 2100 Gallon Polished Aluminum Tank Tank Body
8 0

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
(501) 279-___  SHOW
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IN STOCK - 2025 Mack MD7 Sewer / Septic Truck - Iron-Vac 2500 Gallon Steel Tank Body
8 0

IN STOCK - 2025 Mack MD7 Sewer / Septic Truck - Iron-Vac 2500 Gallon Steel Tank Body

$155,019 USD
THIS UNIT IS CURRENTLY IN STOCK 2025 Mack MD7 (2 YR Manufacturer Warranty) Cummins 6.7L (300HP) 2500 Allison Automatic Transmission 33k GVWR 2500 Gallon Stainless SteelTank (5 YR...
Warranty
ConditionNew
Duty ClassHeavy Duty Sewer / Septic Truck
Upfit TypeTank Body
Upfit MakeIron-Vac
Upfit Model2500 Gallon
Horse Power300 HP
Engine ModelCummins 6.7L
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End5.57 ratio
Capacity2500 Gallons
Stock Number1M2MDBABXSS075907
MLS Number13642852
CategorySewer / Septic Trucks
Last Updated10/31/2025
Location
Searcy, AR, US
Sold By
SepticTrucks.com
(501) 279-___  SHOW
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IN STOCK - 2024 Mack MD7 Sewer / Septic Truck - Iron-Vac 2500 Gallon Tank Body
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
ConditionNew
Duty ClassHeavy Duty Sewer / Septic Truck
Upfit TypeTank Body
Upfit MakeIron-Vac
Upfit Model2500 Gallon
Horse Power300 HP
Engine ModelCummins 6.7L
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End5.57 ratio
Capacity2500 Gallons
MLS Number13879362
CategorySewer / Septic Trucks
Last Updated11/20/2025
Location
Searcy, AR, US
Sold By
SepticTrucks.com
(501) 279-___  SHOW
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Mack MD6 26 ft Box Truck - 260HP, 6 Speed Allison Rds Automatic, Liftgate
16 0

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
(844) 305-___  SHOW
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Mack MD6 2000 Gallon Water Truck - Cummins 280HP, 6 Speed Allison Rds Automatic
9 0

2025 Mack MD6 2000 Gallon Water Truck - Cummins 280HP, 6 Speed Allison Rds Automatic

Contact for price
NEW TIGER MFG. 2,000 GAL. (5) SPRAY WATER TANK SYSTEM, (2) FRONT, (1) DRIVER SIDE, (2) REAR SPRAY HEADS, SELF LOADING/PRIMING PUMP (HYDRAULIC DRIVEN), HOSE REEL WITH 50’ OF 1 ½” HOSE AND...
ConditionNew
Duty ClassMedium Duty Water Truck
Upfit MakeTiger
Horse Power280 HP
Engine ModelCummins ISB6.7
Transmission6 Speed Allison RDS Automatic
SuspensionLeaf Springs
Rear AxleSingle Axle
Capacity2000 Gallons
Stock Number0000Stock8
MLS Number13712012
CategoryWater Trucks
Last Updated9/25/2025
Location
Abilene, TX, US
Sold By
Circle D Truck Sales, Inc.
(833) 568-___  SHOW
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Circle D Truck Sales, Inc.
Mack MD7 42R Hooklift Truck - Cummins, 300HP
8 0

2025 Mack MD7 42R Hooklift Truck - Cummins, 300HP

$168,779 USD
The Mack MD7 42R 4x2 Palfinger T29L Hooklift Truck offers powerful performance and versatility for efficient container handling. Equipped with a 300 HP Cummins ISB engine and Allison 3000RDS...
ConditionNew
Usage2,141 Miles
Horse Power300 HP
Engine ModelCummins 6.7L D
Drivetrain4x2
Transmission6 Speed
SuspensionSpring
Rear End21,000 lb
Stock NumberSS075430
MLS Number13364141
CategoryHooklift Trucks
Last Updated6/10/2025
Location
Union Grove, WI, US
Sold By
Custom Truck One Source
(844) 476-___  SHOW
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2025 Mack MD6 Sewer / Septic Truck - Iron-Vac 2100 Gallon Steel Tank Body
5 0

2025 Mack MD6 Sewer / Septic Truck - Iron-Vac 2100 Gallon Steel Tank Body

Contact for price
2025 Mack MD6 (pricing subject to change) 6.7L Cummins Engine (300HP) Allison 6 Speed Automatic Transmission 26k GVWR 2100 Gallon Steel Tank Battioni Ballast 11000 (393 CFM) Chrome...
Warranty
ConditionNew
Duty ClassMedium Duty Sewer / Septic Truck
Upfit TypeTank Body
Upfit MakeIron-Vac
Upfit Model2100 Gallon Steel
Horse Power300 HP
Engine ModelCummins 6.7L
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Capacity2100 Gallons
MLS Number13090570
CategorySewer / Septic Trucks
Last Updated6/9/2025
Location
Searcy, AR, US
Sold By
SepticTrucks.com
(501) 279-___  SHOW
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Mack MD7 42R Hooklift Truck - Cummins, 300HP
8 0

2025 Mack MD7 42R Hooklift Truck - Cummins, 300HP

$168,779 USD
The Mack MD7 42R 4x2 Palfinger T29L Hooklift Truck offers powerful performance and versatility for efficient container handling. Equipped with a 300 HP Cummins ISB engine and Allison 3000RDS...
ConditionNew
Horse Power300 HP
Engine ModelCummins 6.7L D
Drivetrain4x2
Transmission6 Speed
SuspensionSpring
Rear End21,000 lb
Stock NumberSS075429
MLS Number13364140
CategoryHooklift Trucks
Last Updated1/25/2025
Location
Lynchburg, VA, US
Sold By
Custom Truck One Source
(844) 476-___  SHOW
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Mack MD7 42R Hooklift Truck - Cummins, 300HP
8 0

2025 Mack MD7 42R Hooklift Truck - Cummins, 300HP

$168,779 USD
The Mack MD7 42R 4x2 Palfinger T29L Hooklift Truck offers powerful performance and versatility for efficient container handling. Equipped with a 300 HP Cummins ISB engine and Allison 3000RDS...
ConditionNew
Horse Power300 HP
Engine ModelCummins 6.7L D
Drivetrain4x2
Transmission6 Speed
SuspensionSpring
Rear End21,000 lb
Stock NumberSS075428
MLS Number13364138
CategoryHooklift Trucks
Last Updated1/25/2025
Location
Lynchburg, VA, US
Sold By
Custom Truck One Source
(844) 476-___  SHOW
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Custom Truck One Source
2025 Mack MD642 Rollback Tow Truck - Jerr-Dan Rollback Towing Body, New, Arizona, Automatic IN STOCK
20 0

2025 Mack MD642 Rollback Tow Truck - Jerr-Dan Rollback Towing Body, New, Arizona, Automatic IN STOCK

Contact for price
New Mack rollback tow truck for sale at Midco Sales. Key Specs: Mack MD642, Cummins diesel 300HP, automatic transmission, Jerr-Dan 22' steel deck, 8k winch, wheel lift. CHASSIS SPECS, Mack...
ConditionNew
Usage183 Miles
Duty ClassMedium Duty Rollback Tow Truck
Upfit TypeRollback Towing Body
Upfit MakeJerr-Dan
Bed Length22 ft.
Horse Power300 HP
Engine ModelCummins B6.7
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End17,000 lb
WinchYes
Stock NumberT14850
MLS Number13227217
CategoryRollback Tow Trucks
Last Updated12/6/2024
Location
Chandler, AZ, US
Sold By
Midco Sales
(833) 298-___  SHOW
NUMBERCall Seller
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Midco Sales
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