Mack 6 Speed Automatic Trucks For Sale

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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

Condition	New
Duty Class	Heavy Duty Sewer / Septic Truck
Upfit Type	Tank Body
Upfit Make	Iron-Vac
Upfit Model	2500 Gallon
Horse Power	300 HP
Engine Model	Cummins 6.7L
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	5.57 ratio
Capacity	2500 Gallons
MLS Number	13879362
Category	Sewer / Septic Trucks
Last Updated	11/20/2025
Location	Searcy, AR, US
Sold By	SepticTrucks.com

(844) 305-___ SHOW
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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,...

Condition	Used
Usage	3,974 Hours
Duty Class	Medium Duty Box Truck
Box Length	26 ft.
Horse Power	260 HP
Engine Model	Cummins B6.7
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	17,000 lb 5.57 ratio
Liftgate	Yes
Stock Number	NS004267
MLS Number	13124198
Category	Delivery / Moving / Straight / Box Trucks
Last Updated	10/10/2025
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(844) 305-___ SHOW
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2021 Mack Granite 84FR Dump Truck - MP7 425HP, 6 Speed Allison Rds Automatic, 17' Dump

$149,900 USD

Triaxle, 17' Tebco Steel Dump w/54" Sides, MP7 Mack 425 HP, Allison Automatic 6 Speed, 3 Stage Engine Brake, HaulMaax, 18K FA, 46K RA, 13K Steerable L/A, 228" WB, 21'2" Bridge, Diff Lock,...

Condition	Used
Usage	13,055 Hours
Duty Class	Heavy Duty Dump Truck
Bed Length	17 ft.
Horse Power	425 HP
Engine Model	Mack MP7
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Stock Number	MM001715
MLS Number	13848538
Category	Dump Trucks
Last Updated	10/10/2025
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(833) 568-___ SHOW
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2025 Mack MD6 2000 Gallon Water Truck - Cummins 280HP, 6 Speed Allison Rds Automatic

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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...

Condition	New
Duty Class	Medium Duty Water Truck
Upfit Make	Tiger
Horse Power	280 HP
Engine Model	Cummins ISB6.7
Transmission	6 Speed Allison RDS Automatic
Suspension	Leaf Springs
Rear Axle	Single Axle
Capacity	2000 Gallons
Stock Number	0000Stock8
MLS Number	13712012
Category	Water Trucks
Last Updated	9/25/2025
Location	Abilene, TX, US
Sold By	Circle D Truck Sales, Inc.

(855) 804-___ SHOW
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2016 Mack Granite GU813 Tri Axle Dump Truck - 405HP, 6 Speed Allison Rds Automatic

$134,900 USD

2016 Mack GU813 --- Tri Axle, MP7 Mack 405 HP, Allison Automatic 6 Speed, 20,000 Front Axle, 46,000 Rear Axle, 210" Wheelbase, 19' 8" Bridge, Camelback, Thick Frame, 2 Stage Engine Brake,...

Condition	Used
Usage	246,126 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Horse Power	405 HP
Transmission	6 Speed Allison RDS Automatic
Suspension	Camelback
Rear Axle	Tri Axle
Rear End	46,000 lb
Stock Number	032681
MLS Number	13665369
Category	Dump Trucks
Last Updated	9/9/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(866) 695-___ SHOW
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2013 Mack Granite GU713 Fuel & Lube Truck - 405HP, 6 Speed Automatic

$112,000 USD

Oil Delivery Truck w/ Rear Platform and Crane, EngineModel: MP7,

Condition	Used
Usage	391,433 Miles
Duty Class	Heavy Duty Fuel & Lube Truck
Horse Power	405 HP
Transmission	6 Speed Automatic
Suspension	Air Ride
Stock Number	MCOPTM2012017714
MLS Number	13577167
Category	Fuel & Lube Trucks
Last Updated	8/19/2025
Location	Dallas, TX, US
Sold By	MCO Truck and Equipment

2013 Mack Granite GU813 Tandem Axle Cab & Chassis Truck - MP7, 365HP, 6 Speed Allison Rds Automatic

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FRONT AXLE SPACING ''SPREAD'': 114" Make dump boxBIBEAU, Dump box modelBMT-S 19-0X42X60, Dump box typeCONSTRUCTION, Side wall42", Door60", Door opening2 SENS, Heated boxOUI, CAB shield24",...

Condition	Used
Usage	28,255 Hours
Duty Class	Heavy Duty Cab & Chassis Truck
Upfit Make	Bibeau
Horse Power	365 HP
Engine Model	Mack MP7
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Mack
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	C-33681
MLS Number	13123806
Category	Cab & Chassis Trucks
Last Updated	1/21/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

2009 Mack Granite GU813 Day Cab Truck - MP7 405HP, 6 Speed Allison Rds Automatic

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BEACONS LIGHT, WET KIT,

Condition	Used
Usage	11,449 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	405 HP
Engine Model	Mack MP7
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Rubber Block
Rear Axle	Tandem Axle
Rear End	45,856 lb 4.30 ratio
Stock Number	C-36510
MLS Number	13736426
Category	Day Cab Semi Trucks
Last Updated	1/21/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

2013 Mack Pinnacle CXU613 Day Cab Truck - MP8 505HP, 6 Speed Allison Rds Automatic

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- WET KIT, - BEACONS LIGHT,

Condition	Used
Usage	13,362 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	505 HP
Engine Model	Mack MP8
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Mack
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	C-36545
MLS Number	13655147
Category	Day Cab Semi Trucks
Last Updated	1/21/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

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

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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

Condition	New
Duty Class	Medium Duty Sewer / Septic Truck
Upfit Type	Tank Body
Upfit Make	Iron-Vac
Upfit Model	2100 Gallon Steel
Horse Power	300 HP
Engine Model	Cummins 6.7L
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Capacity	2100 Gallons
MLS Number	13090570
Category	Sewer / Septic Trucks
Last Updated	6/9/2025
Location	Searcy, AR, US
Sold By	SepticTrucks.com

(855) 370-___ SHOW
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2012 Mack LEU613 Tandem Axle Garbage Truck - MP7, 325HP, 6 Speed Allison Rds Automatic

$57,900 USD

2012 Mack LEU613, 22' X 96" X 90", Heil DuraPack 7000 Side Loader Complete Garbage Body, 28 Yard Body, Dump Eject, Heil Python Automated Arm, Volvo 325 HP Engine, Automatic 6-sp Transmission...

Condition	Used
Usage	10,842 Hours
Duty Class	Heavy Duty Garbage Truck
Horse Power	325 HP
Engine Model	Mack MP7
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Leaf Springs
Rear Axle	Tandem Axle
Rear End	46,000 lb 5.04 ratio
Stock Number	12MK027
MLS Number	13312362
Category	Garbage Trucks
Last Updated	6/5/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2015 Mack Granite GU813 Tandem Axle Cab & Chassis Truck - MP7, 405HP, 6 Speed Allison Rds Automatic

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408741 Miles, Engine: MACK MP7, 405 HP, Fuel Type: Diesel, 6 Speed Allison RDS Automatic Transmission, Drive: 6x4, Rubber Block Suspension, Tires: 425/65R22.5, Wheels: Aluminum/Steel, Wheel...

Condition	Used
Usage	408,741 Miles
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	405 HP
Engine Model	Mack MP7
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Rubber Block
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.80 ratio
Stock Number	C-35893
MLS Number	13492188
Category	Cab & Chassis Trucks
Last Updated	1/21/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

(833) 801-___ SHOW
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2009 Mack Granite GU713 Tandem Axle Garbage Truck - MP7, 395HP, 6 Speed Automatic

$40,000 USD

nice truck, runs great, clean, PAK-MOR body, differential lock, air seat, heated mirrors, power mirrors,,

Condition	Used
Usage	105,580 Miles
Duty Class	Heavy Duty Garbage Truck
Horse Power	395 HP
Engine Model	Mack MP7
Drivetrain	6x4
Transmission	6 Speed Automatic
Suspension	Camelback
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	09GU105TAGAR
MLS Number	11764034
Category	Garbage Trucks
Last Updated	11/10/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(833) 298-___ SHOW
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2025 Mack MD642 Rollback Tow Truck - Jerr-Dan Rollback Towing Body, New, Arizona, Automatic IN STOCK

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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...

Condition	New
Usage	183 Miles
Duty Class	Medium Duty Rollback Tow Truck
Upfit Type	Rollback Towing Body
Upfit Make	Jerr-Dan
Bed Length	22 ft.
Horse Power	300 HP
Engine Model	Cummins B6.7
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	17,000 lb
Winch	Yes
Stock Number	T14850
MLS Number	13227217
Category	Rollback Tow Trucks
Last Updated	12/6/2024
Location	Chandler, AZ, US
Sold By	Midco Sales

2014 Mack Granite GU813 Tandem Axle Plow / Spreader Truck - MP7, 405HP, 6 Speed Allison Rds Automatic

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Front plow markCÔTÉ, Front plow dimension12 ', _ ", Side plow markCÔTÉ, Side plow dimension11', Installed optionBEACON LIGHT, Spreading1 COTÉ / 1 SIDE,

Condition	Used
Usage	107,240 Miles
Duty Class	Heavy Duty Plow / Spreader Truck
Horse Power	405 HP
Engine Model	Mack MP7
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Rubber Block
Rear Axle	Tandem Axle
Rear End	44,590 lb 4.89 ratio
Stock Number	C-35294
MLS Number	13126933
Category	Plow / Spreader Trucks
Last Updated	1/21/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

2008 Mack MRU613 Tandem Axle Garbage Truck - MP7, 330HP, 6 Speed Allison Rds Automatic

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Refuse or roll off box makeLABRIE, Refuse or roll off box modelCLSFRH-33 SF08109UVU, Manufactured date11 - 08 ( M-Y ), Refuse or roll off box dimension21'(24) ', Refuse or roll off box...

Condition	Used
Usage	12,048 Hours
Duty Class	Heavy Duty Garbage Truck
Horse Power	330 HP
Engine Model	Mack MP7
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Mack
Rear Axle	Tandem Axle
Rear End	46,000 lb 5.02 ratio
Stock Number	C-30453
MLS Number	12970921
Category	Garbage Trucks
Last Updated	1/21/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center