Mack 6 Speed Trucks For Sale in United States

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1-25 of 59 results
1-25 of 59 results
Featured Item
2022 Mack MD6 Box Truck - Cummins Box Van - Lift Gate - Non CDL
6 0

2022 Mack MD6 Box Truck - Cummins Box Van - Lift Gate - Non CDL

Recently Updated
$68,000 USD
$2,400/mo to rent
2022 MACK, MD6, Medium Duty Trucks – Cab Chassis,Cummins B6.7 Inline 6-cylinder, Turbo/Intercooled Diesel 300 hp/660 lb. ft. Automatic Transmission – 6 Speed, 270” WB, Spring Suspension,...
Warranty
ConditionUsed
Usage190,000 Miles
Duty ClassLight Duty Box Truck
Upfit TypeBox Van
Upfit MakeCummins
Box Length26 ft.
Engine ModelCummins
Transmission6 Speed Automatic
Door TypeRoll up
LiftgateYes
MLS Number12115788
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated3/30/2025
Location
Midlothian, VA, US
Sold By

Life Line Truking

Featured Item
Mack Granite 64FR Tri Axle Dump Truck - MP8 455HP, 6 Speed Allison Rds Automatic, 16' Dump
17 0

2023 Mack Granite 64FR Tri Axle Dump Truck - MP8 455HP, 6 Speed Allison Rds Automatic, 16' Dump

$234,900 USD
Triaxle, 16' Ox Stampede Steel Dump w/62" Sides, High Lift Gate, MP8 Mack 455 HP, Allison Automatic 6 Speed, 4.19 Ratio, 3 Stage Engine Brake, Thick Frame, 20K FA, 46K RA, 20K Pusher, 226"...
ConditionUsed
Usage3,156 Hours
Duty ClassHeavy Duty Dump Truck
Upfit MakeOx Bodies
Bed Length16 ft.
Horse Power455 HP
Engine ModelMack MP8
Transmission6 Speed Allison RDS Automatic
SuspensionCamelback
Rear AxleTri Axle
Rear End4.19 ratio
Stock NumberPM029179
MLS Number12759562
CategoryDump Trucks
Last Updated3/28/2025
Location
Chatham, VA, US
Sold By

J&J Truck Sales

Mack GR64BR Roll Off Truck - MP8 D, 425HP
10 0

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

Newly Listed
Call for price
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...
ConditionNew
Horse Power425 HP
Engine ModelMack MP8 D
Drivetrain6x4
Transmission6 Speed
SuspensionHendrickson HMX460
Rear End46,000 lb
Stock NumberSM048753
MLS Number13495421
CategoryRoll Off Trucks
Last Updated4/3/2025
Location
Kansas City, MO, US
Sold By

Custom Truck One Source

Mack Granite 64FR Tri Axle Dump Truck - MP8 455HP, 6 Speed Allison Rds Automatic, 16' Dump
7 0

2020 Mack Granite 64FR Tri Axle Dump Truck - MP8 455HP, 6 Speed Allison Rds Automatic, 16' Dump

Newly Listed
$187,500 USD
Very Low Original Miles!!,
ConditionUsed
Usage44,650 Miles
Duty ClassHeavy Duty Dump Truck
Upfit MakeOx Bodies
Bed Length16 ft.
Horse Power455 HP
Engine ModelMack MP8
Drivetrain8x4
Transmission6 Speed Allison RDS Automatic
SuspensionCamelback
Rear AxleTri Axle
Rear End46,000 lb
Stock Number6804
MLS Number13492136
CategoryDump Trucks
Last Updated4/3/2025
Location
Worcester, MA, US
Sold By

Ballard Truck Center

Mack Granite 64FR Dump Truck - MP8 455HP, 6 Speed Allison Rds Automatic
7 0

2020 Mack Granite 64FR Dump Truck - MP8 455HP, 6 Speed Allison Rds Automatic

Price Drop
$179,500 USD
8 New Drives, Available Factory Warranty,
ConditionUsed
Usage114,829 Miles
Duty ClassHeavy Duty Dump Truck
Upfit MakeBeau-Roc
Horse Power455 HP
Engine ModelMack MP8
Drivetrain8x4
Transmission6 Speed Allison RDS Automatic
SuspensionCamelback
Rear AxleTandem Axle
Rear End46,000 lb
Stock Number14931
MLS Number12885717
CategoryDump Trucks
Last Updated4/2/2025
Location
Worcester, MA, US
Sold By

Ballard Truck Center

Mack MD6 Single Axle Cab & Chassis Truck - Cummins, 235HP, 6 Speed Automatic
8 0

2025 Mack MD6 Single Axle Cab & Chassis Truck - Cummins, 235HP, 6 Speed Automatic

Recently Updated
Call for price
1277 Miles, Engine: CUMMINS, 235 HP, Fuel Type: Diesel, 6 Speed Automatic Transmission, Drive: 4x2, 4 Spring Suspension, Single Rear Axles
ConditionNew
Usage1,277 Miles
Duty ClassMedium Duty Cab & Chassis Truck
Horse Power235 HP
Drivetrain4x2
Transmission6 Speed Automatic
Suspension4 Spring
Rear AxleSingle Axle
Stock NumberS016226
MLS Number13289329
CategoryCab & Chassis Trucks
Last Updated4/1/2025
Location
Fairfield, TX, US
Sold By

Service Truck Depot

Mack GR64BR Hooklift Truck - MP8 D, 425HP
9 0

2025 Mack GR64BR Hooklift Truck - MP8 D, 425HP

Recently Updated
Call for price
FOR SALE! A brand new Mack GR64BR 6x4 upfitted with a Palfinger HT 500 L TEC hook lift. This vehicle is powered by a 425 hp Mack MP8 diesel motor, and gears are shifted via an Allison...
ConditionNew
Horse Power425 HP
Engine ModelMack MP8 D
Drivetrain6x4
Transmission6 Speed
Rear End46,000 lb
Stock NumberSM046881
MLS Number13181495
CategoryHooklift Trucks
Last Updated4/3/2025
Location
Kansas City, MO, US
Sold By

Custom Truck One Source

Mack GR64BR Hooklift Truck - MP8 D, 425HP
9 0

2025 Mack GR64BR Hooklift Truck - MP8 D, 425HP

Recently Updated
Call for price
FOR SALE! A brand new Mack GR64BR 6x4 upfitted with a Palfinger HT 500 L TEC hook lift. This vehicle is powered by a 425 hp Mack MP8 diesel motor, and gears are shifted via an Allison...
ConditionNew
Horse Power425 HP
Engine ModelMack MP8 D
Drivetrain6x4
Transmission6 Speed
Rear End46,000 lb
Stock NumberSM046882
MLS Number13181496
CategoryHooklift Trucks
Last Updated4/3/2025
Location
Kansas City, MO, US
Sold By

Custom Truck One Source

Mack Granite 64FR Dump Truck - MP8 455HP, 6 Speed Allison Rds Automatic, 16' Dump
10 0

2023 Mack Granite 64FR Dump Truck - MP8 455HP, 6 Speed Allison Rds Automatic, 16' Dump

Newly Listed
$225,500 USD
Remaining Warranty. (2) Available,
ConditionUsed
Usage34,320 Miles
Duty ClassHeavy Duty Dump Truck
Bed Length16 ft.
Horse Power455 HP
Engine ModelMack MP8
Drivetrain8x4
Transmission6 Speed Allison RDS Automatic
SuspensionMack mRIDE
Rear AxleTandem Axle
Rear End46,000 lb
Stock Number3211
MLS Number13486547
CategoryDump Trucks
Last Updated4/2/2025
Location
Worcester, MA, US
Sold By

Ballard Truck Center

Mack GR64BR Roll Off Truck - MP8 D, 425HP
10 0

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

$272,979 USD
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...
ConditionNew
Horse Power425 HP
Engine ModelMack MP8 D
Drivetrain6x4
Transmission6 Speed
SuspensionHendrickson HMX460
Rear End46,000 lb
Stock NumberSM048667
MLS Number13481040
CategoryRoll Off Trucks
Last Updated3/28/2025
Location
Kansas City, MO, US
Sold By

Custom Truck One Source

Mack Granite 64FR Tri Axle Dump Truck - MP8 455HP, 6 Speed Allison Rds Automatic
6 0

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

$239,900 USD
Tri Axle, MP8 Mack 455 HP, Allison Automatic 6 Speed, 4.19 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 228" Wheelbase, 21' 1" Bridge, Camelback, Thick Frame, 3 Stage Engine Brake, Air Brake,...
ConditionUsed
Usage34,978 Miles
Duty ClassHeavy Duty Dump Truck
Upfit MakeOx Bodies
Horse Power455 HP
Engine ModelMack MP8
Transmission6 Speed Allison RDS Automatic
SuspensionCamelback
Rear AxleTri Axle
Rear End4.19 ratio
Stock NumberRM039759
MLS Number13469601
CategoryDump Trucks
Last Updated3/25/2025
Location
Chatham, VA, US
Sold By

J&J Truck Sales

Mack Granite 64FR Tri Axle Dump Truck - MP8-445 455HP, 6 Speed Allison Rds Automatic
6 0

2024 Mack Granite 64FR Tri Axle Dump Truck - MP8-445 455HP, 6 Speed Allison Rds Automatic

$239,900 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, 228" Wheelbase, 21' 1" Bridge, Camelback, Thick Frame, 3 Stage...
ConditionUsed
Usage34,978 Miles
Duty ClassHeavy Duty Dump Truck
Upfit MakeOx Bodies
Horse Power455 HP
Engine ModelMack MP8-445
Transmission6 Speed Allison RDS Automatic
SuspensionCamelback
Rear AxleTri Axle
Rear End46,000 lb 4.19 ratio
Stock Number039759
MLS Number13464047
CategoryDump Trucks
Last Updated3/22/2025
Location
Chatham, VA, US
Sold By

Atkinson Truck Sales

Mack Granite 64FR Tri Axle Dump Truck - MP8 425HP, 6 Speed Allison Rds Automatic, 16' Dump
19 0

2022 Mack Granite 64FR Tri Axle Dump Truck - MP8 425HP, 6 Speed Allison Rds Automatic, 16' Dump

Price Drop
$219,900 USD
2022 Mack GR64F --- Tri Axle, MP8 Mack 425 HP, Allison Automatic 6 Speed, 4.56 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 230" Wheelbase, 21' 3" Bridge, M RIDE, Thick Frame, 3 Stage Engine...
ConditionUsed
Usage1,209 Hours
Duty ClassHeavy Duty Dump Truck
Upfit MakeLOGAN CORP
Bed Length16 ft.
Horse Power425 HP
Engine ModelMack MP8
Drivetrain8x4
Transmission6 Speed Allison RDS Automatic
SuspensionMack mRIDE
Rear AxleTri Axle
Rear End46,000 lb 4.56 ratio
Stock Number030086
MLS Number12876409
CategoryDump Trucks
Last Updated3/21/2025
Location
Chatham, VA, US
Sold By

Atkinson Truck Sales

Mack Granite 64FR Tri Axle Dump Truck - MP8 455HP, 6 Speed Allison Rds Automatic, 16' Dump
15 0

2023 Mack Granite 64FR Tri Axle Dump Truck - MP8 455HP, 6 Speed Allison Rds Automatic, 16' Dump

Price Drop
$226,900 USD
2023 Mack GR64F Triaxle, 16' Ox Stampede Hardox Steel Dump Body with 62" Sides, High Lift Gate, MP8 Mack 455 HP, Allison Automatic 6 Speed, 4.19 Ratio, 3 Stage Engine Brake, Thick Frame,...
Quantity10
ConditionUsed
Usage3,156 Hours
Duty ClassHeavy Duty Dump Truck
Upfit MakeOx Bodies
Bed Length16 ft.
Horse Power455 HP
Engine ModelMack MP8
Drivetrain8x4
Transmission6 Speed Allison RDS Automatic
SuspensionCamelback
Rear AxleTri Axle
Rear End46,000 lb 4.19 ratio
Stock Number029179
MLS Number12759563
CategoryDump Trucks
Last Updated3/21/2025
Location
Chatham, VA, US
Sold By

Atkinson Truck Sales

Mack Granite 64FR Dump Truck - MP7 425HP, 6 Speed Allison Rds Automatic, 16' Dump
4 0

2021 Mack Granite 64FR Dump Truck - MP7 425HP, 6 Speed Allison Rds Automatic, 16' Dump

$176,900 USD
Tandem Axle, MP7 Mack 425 HP, Allison Automatic 6 Speed, 4.50 Ratio, 20,000 Front Axle, 44,000 Rear Axle, 223" Wheelbase, 20' 8" Bridge, Camelback, Thick Frame, 3 Stage Engine Brake, Air...
ConditionUsed
Usage194,629 Miles
Duty ClassHeavy Duty Dump Truck
Bed Length16 ft.
Horse Power425 HP
Engine ModelMack MP7
Transmission6 Speed Allison RDS Automatic
SuspensionCamelback
Rear AxleTandem Axle
Rear End44,000 lb 4.50 ratio
Stock NumberMM025073
MLS Number13448847
CategoryDump Trucks
Last Updated3/14/2025
Location
Chatham, VA, US
Sold By

J&J Truck Sales

Mack Granite 64FR Dump Truck - MP7 425HP, 6 Speed Allison Rds Automatic, 16' Dump
4 0

2021 Mack Granite 64FR Dump Truck - MP7 425HP, 6 Speed Allison Rds Automatic, 16' Dump

$176,900 USD
2021 Mack GR64F --- Tandem Axle, MP7 Mack 425 HP, Allison Automatic 6 Speed, 4.50 Ratio, 20,000 Front Axle, 44,000 Rear Axle, 223" Wheelbase, 20' 8" Bridge, Camelback, Thick Frame, 3 Stage...
ConditionUsed
Usage194,629 Miles
Duty ClassHeavy Duty Dump Truck
Bed Length16 ft.
Horse Power425 HP
Engine ModelMack MP7
Drivetrain6x2
Transmission6 Speed Allison RDS Automatic
SuspensionCamelback
Rear AxleTandem Axle
Rear End44,000 lb 4.50 ratio
Stock Number025073
MLS Number13446996
CategoryDump Trucks
Last Updated3/13/2025
Location
Chatham, VA, US
Sold By

Atkinson Truck Sales

Mack Granite 64FR Roll Off Truck - MP7, 425HP, 6 Speed Allison Rds Automatic
13 0

2019 Mack Granite 64FR Roll Off Truck - MP7, 425HP, 6 Speed Allison Rds Automatic

$207,500 USD
180 DAY/50K MILE "CPOEXTR" WARRANTY is available for an additional $1,150.00 Detailed Components Coverage can be provided upon request. VERY CLEAN ROLL OFF! ALLISON AUTOMATIC! Ready to work...
ConditionUsed
Usage182,457 Miles
Duty ClassHeavy Duty Roll Off Truck
Horse Power425 HP
Engine ModelMack MP7
Drivetrain6x4
Transmission6 Speed Allison RDS Automatic
SuspensionCamelback
Rear AxleTandem Axle
Rear End46,000 lb 4.80 ratio
Stock Number109172
MLS Number13226424
CategoryRoll Off Trucks
Last Updated3/15/2025
Location
Louisville, KY, US
Sold By

Boyd Truck Centers

Mack GR64BR Roll Off Truck - MP8 D, 425HP
10 0

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

$272,979 USD
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...
ConditionNew
Horse Power425 HP
Engine ModelMack MP8 D
Drivetrain6x4
Transmission6 Speed
SuspensionHendrickson HMX460
Rear End46,000 lb
Stock NumberSM048759
MLS Number13440457
CategoryRoll Off Trucks
Last Updated3/12/2025
Location
Kansas City, MO, US
Sold By

Custom Truck One Source

Mack Granite 64FR Quad Axle Dump Truck - MP7 425HP, 6 Speed Allison Rds Automatic, 19.5' Dump
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...
Quantity4
ConditionUsed
Usage259,944 Miles
Duty ClassHeavy Duty Dump Truck
Upfit MakeRogers
Bed Length19.5
Horse Power425 HP
Engine ModelMack MP7
Drivetrain10x4
Transmission6 Speed Allison RDS Automatic
SuspensionCamelback
Rear AxleQuad Axle
Rear End44,000 lb 4.50 ratio
Stock Number002457
MLS Number13302321
CategoryDump Trucks
Last Updated3/7/2025
Location
Chatham, VA, US
Sold By

Atkinson Truck Sales

Mack Granite GU533 Tandem Axle Rollback Tow Truck - Cummins, 345HP, 6 Speed Allison Rds Automatic
12 0

2014 Mack Granite GU533 Tandem Axle Rollback Tow Truck - Cummins, 345HP, 6 Speed Allison Rds Automatic

$94,900 USD
2014 Mack GU533 --- Tandem Axle, ISL-9 Cummins 345 HP, Allison Automatic 6 Speed, 20,000 Front Axle, 46,000 Rear Axle, 255" Wheelbase, 23' 7" Bridge, Air Ride, Double Frame, 2 Stage Engine...
ConditionUsed
Usage13,033,333 Hours
Duty ClassHeavy Duty Rollback Tow Truck
Bed Length23 ft.
Horse Power345 HP
Engine ModelCummins ISL9
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 5.29 ratio
Stock Number010254
MLS Number13157276
CategoryRollback Tow Trucks
Last Updated3/7/2025
Location
Chatham, VA, US
Sold By

Atkinson Truck Sales

Mack Granite GU713 Tri Axle Dump Truck - MP7 425HP, 6 Speed Automatic
10 0

2018 Mack Granite GU713 Tri Axle Dump Truck - MP7 425HP, 6 Speed Automatic

$169,900 USD
2018 Mack GU713 --- Tri Axle, MP7 Mack 425 HP, Allison Automatic 6 Speed, 4.19 Ratio, 20,000 Front Axle, 44,000 Rear Axle, 226" Wheelbase, 21' Bridge, Camelback, Double Frame, 2 Stage Engine...
ConditionUsed
Usage206,205 Miles
Duty ClassHeavy Duty Dump Truck
Upfit MakeOx Bodies
Bed Length16 ft.
Horse Power425 HP
Engine ModelMack MP7
Transmission6 Speed Allison RDS Automatic
SuspensionCamelback
Rear AxleTri Axle
Rear End44,000 lb 4.19 ratio
Stock Number037177
MLS Number10163490
CategoryDump Trucks
Last Updated3/7/2025
Location
Chatham, VA, US
Sold By

Atkinson Truck Sales

Mack Granite 64BR Tri Axle Dump Truck - MP7 425HP, 6 Speed Automatic, 16' Dump
13 0

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

$159,900 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...
ConditionUsed
Usage13,655 Hours
Duty ClassHeavy Duty Dump Truck
Bed Length16 ft.
Horse Power425 HP
Engine ModelMack MP7
Transmission6 Speed Automatic
SuspensionCamelback
Rear AxleTri Axle
Rear End46,000 lb 4.19 ratio
Stock Number001589
MLS Number12487082
CategoryDump Trucks
Last Updated3/7/2025
Location
Chatham, VA, US
Sold By

Atkinson Truck Sales

Mack GR64BR Roll Off Truck - MP8 D, 425HP
10 0

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

$272,979 USD
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...
ConditionNew
Horse Power425 HP
Engine ModelMack MP8 D
Drivetrain6x4
Transmission6 Speed
SuspensionHendrickson HMX460
Rear End46,000 lb
Stock NumberSM048669
MLS Number13428852
CategoryRoll Off Trucks
Last Updated3/5/2025
Location
Kansas City, MO, US
Sold By

Custom Truck One Source

Mack GR64BR Roll Off Truck - MP8 D, 425HP
10 0

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

$272,979 USD
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...
ConditionNew
Horse Power425 HP
Engine ModelMack MP8 D
Drivetrain6x4
Transmission6 Speed
SuspensionHendrickson HMX460
Rear End46,000 lb
Stock NumberSM048758
MLS Number13417104
CategoryRoll Off Trucks
Last Updated2/27/2025
Location
Kansas City, MO, US
Sold By

Custom Truck One Source

Mack GR64BR Roll Off Truck - MP8 D, 425HP
10 0

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

$272,979 USD
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...
ConditionNew
Horse Power425 HP
Engine ModelMack MP8 D
Drivetrain6x4
Transmission6 Speed
SuspensionHendrickson HMX460
Rear End46,000 lb
Stock NumberSM048752
MLS Number13417103
CategoryRoll Off Trucks
Last Updated2/27/2025
Location
Kansas City, MO, US
Sold By

Custom Truck One Source

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