Mack 6 Speed Trucks For Sale

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11 0

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

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72-11 High Side, Body Details Manufacturer Palfinger, Body Line PAL Pro 72-11, Has Air Compressor? Yes 52” Standard Compartment Heights with Raised Compartment Options, 11' Standard...

Condition	New
Usage	1,152 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	S016228
MLS Number	13499057
Category	Mechanic / Utility / Service Trucks
Last Updated	9/18/2025
Location	Fairfield, TX, US
Sold By	Service Truck Depot

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61 0

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	9/18/2025
Location	Fairfield, TX, US
Sold By	Service Truck Depot

15 0

2019 Mack Granite 64FR Quad Axle Dump Truck - MP7 425HP, 6 Speed Allison Rds Automatic, 19.5' Dump

$169,900 USD

2019 Mack GR64F --- Quad Axle, MP7 Mack 425 HP, Allison Automatic 6 Speed, 18,000 Front Axle, 44,000 Rear Axle, 276" Wheelbase, 25' 3" Bridge, Camelback, 4.50 Ratio, Double Frame, 3 Stage...

Condition	Used
Usage	259,944 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Rogers
Bed Length	19.5
Horse Power	425 HP
Engine Model	Mack MP7
Drivetrain	10x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Camelback
Rear Axle	Quad Axle
Rear End	44,000 lb 4.50 ratio
Stock Number	002457
MLS Number	13302321
Category	Dump Trucks
Last Updated	9/18/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

22 0

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

8 0

2026 Mack GR64BR Dump Truck - MP8 D 445HP

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New Mack GR64BR 6x4 Galbreath US-EH-174 Roll-Off Truck powered by a 445 HP Mack MP8 D diesel engine with automatic transmission. Built on a Class 8 chassis with 20,000 lb front axle capacity...

Condition	New
Horse Power	445 HP
Engine Model	Mack MP8 D
Drivetrain	6x4
Transmission	6 Speed
Rear End	46,000 lb
Stock Number	TM052772
MLS Number	13800279
Category	Dump Trucks
Last Updated	9/9/2025
Location	Union Grove, WI, US
Sold By	Custom Truck One Source

7 0

2026 Mack GR64BR Roll Off Truck - MP8 D, 445HP

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Mack GR64BR 6x4 Galbreath U5-OR-174 Roll-Off Truck powered by a 445 HP Mack MP8 D diesel engine with automatic transmission. Built on a Class 8 chassis with 20,000 lb front axle capacity, 46...

Condition	New
Horse Power	445 HP
Engine Model	Mack MP8 D
Drivetrain	6x4
Transmission	6 Speed
Rear End	46,000 lb
Stock Number	TM052062
MLS Number	13800276
Category	Roll Off Trucks
Last Updated	9/9/2025
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

7 0

2026 Mack GR64BR Roll Off Truck - MP8 D, 445HP

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Mack GR64BR 6x4 Galbreath U5-OR-174 Roll-Off Truck powered by a 445 HP Mack MP8 D diesel engine with automatic transmission. Built on a Class 8 chassis with 20,000 lb front axle capacity, 46...

Condition	New
Horse Power	445 HP
Engine Model	Mack MP8 D
Drivetrain	6x4
Transmission	6 Speed
Rear End	46,000 lb
Stock Number	TM052059
MLS Number	13800275
Category	Roll Off Trucks
Last Updated	9/9/2025
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

7 0

2026 Mack GR64BR Roll Off Truck - MP8 D, 445HP

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Mack GR64BR 6x4 Galbreath U5-OR-174 Roll-Off Truck powered by a 445 HP Mack MP8 D diesel engine with automatic transmission. Built on a Class 8 chassis with 20,000 lb front axle capacity, 46...

Condition	New
Horse Power	445 HP
Engine Model	Mack MP8 D
Drivetrain	6x4
Transmission	6 Speed
Rear End	46,000 lb
Stock Number	TM052053
MLS Number	13800272
Category	Roll Off Trucks
Last Updated	9/9/2025
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

(844) 962-___ SHOW
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7 0

2025 Mack Granite 64FR Dump Truck - MP8 425HP, 6 Speed Allison Rds Automatic

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This Granite has a 14ft Biebeau Body with 3 coal doors,

Condition	New
Duty Class	Heavy Duty Dump Truck
Horse Power	425 HP
Engine Model	Mack MP8
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Mack mRIDE
Rear End	4.80 ratio
Stock Number	46927
MLS Number	13796948
Category	Dump Trucks
Last Updated	9/5/2025
Location	Worcester, MA, US
Sold By	Ballard Truck Center

(855) 653-___ SHOW
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19 0

2024 Mack MD6 Box Truck - 260HP, 6 Speed Automatic

$67,500 USD

2024 Mack MD 26' Box Truck, 6.7L Cummins Turbo Diesel Engine, Allison Automatic Transmission, 260 HP, Engine Brake, 90,733 Miles, 1,952 Engine Hours, 25,994lb GVWR (No CDL Required),...

Condition	Used
Usage	90,733 Miles
Duty Class	Medium Duty Box Truck
Horse Power	260 HP
Engine Model	Cummins B6.7
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Stock Number	C17621W
MLS Number	13796907
Category	Delivery / Moving / Straight / Box Trucks
Last Updated	9/5/2025
Location	Denver, CO, US
Sold By	DTI Trucks

8 0

2026 Mack GR64BR Roll Off Truck - MP8 D, 445HP

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Mack GR64BR 6x4 Galbreath U75-OR-174 Roll-Off powered by a 445 HP Mack MP8 D diesel engine with automatic transmission. Built on a Class 8 chassis with 20,000 lb FA / 46,000 lb RA capacities...

Condition	New
Horse Power	445 HP
Engine Model	Mack MP8 D
Drivetrain	6x4
Transmission	6 Speed
Rear End	46,000 lb
Stock Number	TM052060
MLS Number	13786178
Category	Roll Off Trucks
Last Updated	8/29/2025
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

(833) 720-___ SHOW
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21 0

2010 Mack Granite GU713 Roll Off Truck - MP7, 6 Speed Allison Rds Automatic

$110,000 USD

2010 Mack GU713 10.8L Mack MP7 engine, 4500 Allison, AM/FM, A/C, tilt, cruise, 136K miles, new front tires, excellent rear tires, 75K Galbreath hoist with Pioneer tarp system. WELL...

Condition	Used
Usage	136,000 Miles
Duty Class	Heavy Duty Roll Off Truck
Engine Model	Mack MP7
Transmission	6 Speed Allison RDS Automatic
Stock Number	T364
MLS Number	13785010
Category	Roll Off Trucks
Last Updated	8/28/2025
Location	Nashville, TN, US
Sold By	Capital City Truck Sales LLC

(866) 695-___ SHOW
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24 0

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

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35 2

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	8/14/2025
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

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35 1

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	8/1/2025
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

10 0

2025 Mack GR64BR Roll Off Truck - MP8 D, 425HP

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FOR SALE! A brand new Mack GR64BR 6x4 upfitted with a Galbreath U5-OR-174 roll-off. This vehicle is powered by a 425 hp Mack MP8 diesel motor, and gears are shifted via an Allison 4500RDS...

Condition	New
Usage	21 Miles
Horse Power	425 HP
Engine Model	Mack MP8 D
Drivetrain	6x4
Transmission	6 Speed
Suspension	Hendrickson HMX460
Rear End	46,000 lb
Stock Number	SM048756
MLS Number	13539228
Category	Roll Off Trucks
Last Updated	9/9/2025
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

10 0

2026 Mack GR64BR Roll Off Truck - MP8 D, 425HP

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FOR SALE! A brand new Mack GR64BR 6x4 upfitted with a Galbreath U5-OR-174 roll-off. This vehicle is powered by a 425 hp Mack MP8 diesel motor, and gears are shifted via an Allison 4500RDS...

Condition	New
Horse Power	425 HP
Engine Model	Mack MP8 D
Drivetrain	6x4
Transmission	6 Speed
Suspension	Hendrickson HMX460
Rear End	46,000 lb
Stock Number	TM051109
MLS Number	13606334
Category	Roll Off Trucks
Last Updated	9/9/2025
Location	Houston, TX, US
Sold By	Custom Truck One Source

16 0

2024 Mack Granite 64FR Tri Axle Dump Truck - MP8 455HP, 6 Speed Allison Rds Automatic, 16' Dump

$234,900 USD

2024 Mack GR64F --- Tri Axle, MP8 Mack 455 HP, Allison Automatic 6 Speed, 4.19 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 227" Wheelbase, 21' Bridge, Camelback, Thick Frame, 3 Stage Engine...

Condition	Used
Usage	1,090 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Bed Length	16 ft.
Horse Power	455 HP
Engine Model	Mack MP8
Drivetrain	8x6
Transmission	6 Speed Allison RDS Automatic
Suspension	Camelback
Rear Axle	Tri Axle
Rear End	46,000 lb 4.19 ratio
Stock Number	042291
MLS Number	13720962
Category	Dump Trucks
Last Updated	7/24/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

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6 0

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

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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

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
Drivetrain	4x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	5.57 ratio
Capacity	2500 Gallons
Stock Number	1M2MDBAB8RS074507
MLS Number	13635786
Category	Sewer / Septic Trucks
Last Updated	10/13/2025
Location	Searcy, AR, US
Sold By	SepticTrucks.com

16 0

2024 Mack Granite 64FR Tri Axle Dump Truck - MP8 455HP, 6 Speed Allison Rds Automatic, 16' Dump

$234,900 USD

2024 Mack GR64F --- Tri Axle, MP8 Mack 455 HP, Allison Automatic 6 Speed, 4.19 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 227" Wheelbase, 21' Bridge, Camelback, Thick Frame, 3 Stage Engine...

Condition	Used
Usage	28,781 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Bed Length	16 ft.
Horse Power	455 HP
Engine Model	Mack MP8
Drivetrain	8x6
Transmission	6 Speed Allison RDS Automatic
Suspension	Camelback
Rear Axle	Tri Axle
Rear End	46,000 lb 4.19 ratio
Stock Number	042319
MLS Number	13674460
Category	Dump Trucks
Last Updated	7/19/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

13 0

2019 Mack Granite 64BR Tri Axle Dump Truck - MP7 425HP, 6 Speed Automatic, 16' Dump

$154,900 USD

2019 Mack GR64B --- Tri Axle, MP7 Mack 425 HP, Allison Automatic 6 Speed, 4.19 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 208" Wheelbase, 19' 5" Bridge, Camelback, Thick Frame, 3 Stage...

Condition	Used
Usage	13,655 Hours
Duty Class	Heavy Duty Dump Truck
Bed Length	16 ft.
Horse Power	425 HP
Engine Model	Mack MP7
Transmission	6 Speed Automatic
Suspension	Camelback
Rear Axle	Tri Axle
Rear End	46,000 lb 4.19 ratio
Stock Number	001589
MLS Number	12487082
Category	Dump Trucks
Last Updated	6/26/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

10 0

2020 Mack Granite 104FR Quad Axle Dump Truck - MP8 455HP, 6 Speed Allison Rds Automatic

$176,900 USD

2020 Mack 104FR --- Quad Axle, MP8 Mack 455 HP, Allison Automatic 6 Speed, 3.98 Ratio, 18,000 Front Axle, 46,000 Rear Axle, 270" Wheelbase, 24' 10" Bridge, mRide, Double Frame, 3 Stage...

Condition	Used
Usage	321,802 Miles
Duty Class	Heavy Duty Dump Truck
Horse Power	455 HP
Engine Model	Mack MP8
Transmission	6 Speed Allison RDS Automatic
Suspension	Mack mRIDE
Rear Axle	Quad Axle
Stock Number	001121
MLS Number	13500797
Category	Dump Trucks
Last Updated	6/24/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

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44 0

2016 Mack Granite 42FR MHD Garbage Truck - 345HP, Automatic

$144,900 USD

2015 Mack GU713 SFA With Heil DuraPack, 7000 ASL Side Loader,

Condition	Used
Usage	140,024 Miles
Duty Class	Heavy Duty Garbage Truck
Horse Power	345 HP
Transmission	6 Speed Automatic
Suspension	Walking Beam
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	339748
MLS Number	13556816
Category	Garbage Trucks
Last Updated	6/21/2025
Location	Manchester, NH, US
Sold By	Allegiance Trucks

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34 1

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	6/19/2025
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center