6 Speed Trucks with Mack Engines For Sale

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Showing 1 - 25 of 70 Truck Listings

1 - 25 of 70 listings
1 - 25 of 70 listings
Featured Item
Mack Granite 84FR Tri Axle Dump Truck - MP7 425HP, 6 Speed Allison Rds Automatic, 17' Dump
15 0

2021 Mack Granite 84FR Tri Axle Dump Truck - MP7 425HP, 6 Speed Allison Rds Automatic, 17' Dump

$149,900 USD
Triaxle, 17' Tebco Steel Dump w/52" Sides, MP7 Mack 425 HP, Allison Automatic 6 speed, 3 Stage Engine Brake, HaulMaax, 18K FA, 46K RA, 13K Steerable L/A, 228" WB, 21'1" Bridge, Diff Lock,...
ConditionUsed
Usage11,458 Hours
Duty ClassHeavy Duty Dump Truck
Bed Length17 ft.
Horse Power425 HP
Engine ModelMack MP7
Transmission6 Speed Allison RDS Automatic
Rear AxleTri Axle
Stock NumberMM001718
MLS Number13849053
CategoryDump Trucks
Last Updated12/2/2025
Location
Chatham, VA, US
Sold By
J&J Truck Sales
Mack Granite 84FR Dump Truck - MP8 D 455HP
8 0

2026 Mack Granite 84FR Dump Truck - MP8 D 455HP

Recently Updated
$260,937 USD
This Mack 8x4 17' Load King dump truck is built for heavy-duty hauling with a 455 hp Mack MP8 diesel, automatic 6-speed transmission, and a 20,000 lb front axle paired with dual 23,000 lb...
ConditionNew
Horse Power455 HP
Engine ModelMack MP8 D
Drivetrain8x4
Transmission6 Speed
SuspensionHendrickson HMX460
Rear End46,000 lb
Stock NumberTM007974
MLS Number14030308
CategoryDump Trucks
Last Updated1/1/2026
Location
Hooksett, NH, US
Sold By
Custom Truck One Source
Mack Granite GU713 Tri Axle Dump Truck - MP8 455HP, 6 Speed Allison Rds Automatic, 16' Dump
6 0

2017 Mack Granite GU713 Tri Axle Dump Truck - MP8 455HP, 6 Speed Allison Rds Automatic, 16' Dump

$129,900 USD
Triaxle, 16' Ox Stampede Steel Dump w/60" Sides, MP8 Mack 455 HP, Allison Automatic 6 Speed, 4.19 Ratio, 2 Stage Engine Brake, Camelback, 18K FA, 44K RA, 20K Pusher, 224" WB, 20'10" Bridge,...
ConditionUsed
Usage14,187 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 NumberHM036593
MLS Number14009782
CategoryDump Trucks
Last Updated12/24/2025
Location
Chatham, VA, US
Sold By
J&J Truck Sales
Mack Granite GU713 Tri Axle Dump Truck - MP8 455HP, 6 Speed Allison Rds Automatic, 16' Dump
12 0

2017 Mack Granite GU713 Tri Axle Dump Truck - MP8 455HP, 6 Speed Allison Rds Automatic, 16' Dump

$129,900 USD
Triaxle, 16' Ox Stampede Steel Dump w/60" Sides, MP8 Mack 455 HP, Allison Automatic 6 Speed, 4.19 Ratio, 2 Stage Engine Brake, Camelback, 18K FA, 44K RA, 20K Pusher, 224" WB, 20'10" Bridge,...
ConditionUsed
Usage10,465 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 NumberHM036590
MLS Number14009778
CategoryDump Trucks
Last Updated12/24/2025
Location
Chatham, VA, US
Sold By
J&J Truck Sales
2011 MACK CXU613 PINNACLE WATER Truck, Tandem Axle, 4,000 lb. Water Tank Body and Spray Bars.
50 0

2011 MACK CXU613 PINNACLE WATER Truck, Tandem Axle, 4,000 lb. Water Tank Body and Spray Bars.

Price Drop
$70,830 USD
~ Annual Holiday Truck Sale! ~ Extended Now Thru Thursday January 8th, 2026. Original Price $ 78,500 -GREAT FIND! 2011 Mack CXU613 Water Truck, MP7 10.8 Ltr, Turbo, 6 Cyl, HP 340, Eaton...
ConditionUsed
Usage350,098 Miles
Duty ClassHeavy Duty Water Truck
Upfit TypeWater Tank Body
Horse Power340 HP
Engine ModelMack MP7
Drivetrain6x4
Transmission6 Speed Autoshift Automated
SuspensionAir Leaf
Rear AxleTandem Axle
Rear End40,000 lb 3.58 ratio
Capacity4000 Gallons
Compartments3
Stock Number012906
MLS Number13878169
CategoryWater Trucks
Last Updated12/31/2025
Location
Midvale, UT, US
Sold By
MTS Utah, Inc.
Mack Granite 64BR Roll Off Truck - MP8 D, 445HP
10 0

2026 Mack Granite 64BR Roll Off Truck - MP8 D, 445HP

Contact for price
The Mack GR64BR 8x4 Galbreath U75-OR-174 Roll-Off Truck is built for heavy-duty waste, recycling, and material transport operations. Powered by a 445 HP Mack MP8 D diesel engine with a...
ConditionNew
Horse Power445 HP
Engine ModelMack MP8 D
Drivetrain8x4
Transmission6 Speed
Rear End46,000 lb
Stock NumberTM053723
MLS Number14027940
CategoryRoll Off Trucks
Last Updated12/11/2025
Location
Kansas City, MO, US
Sold By
Custom Truck One Source
Mack Granite 84FR Dump Truck - MP8 D 455HP
8 0

2026 Mack Granite 84FR Dump Truck - MP8 D 455HP

$256,390 USD
This Mack 8x4 16' Load King Dump Truck delivers exceptional strength and reliability for heavy-duty hauling operations. Powered by a Mack MP8 D diesel engine producing 455 horsepower and...
ConditionNew
Horse Power455 HP
Engine ModelMack MP8 D
Drivetrain8x4
Transmission6 Speed
Rear End46,000 lb
Stock NumberTM007966
MLS Number14027938
CategoryDump Trucks
Last Updated12/11/2025
Location
Kansas City, MO, US
Sold By
Custom Truck One Source
Mack Granite 42FR MHD Garbage Truck - 345HP, Automatic
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,
ConditionUsed
Usage140,352 Miles
Duty ClassHeavy Duty Garbage Truck
Horse Power345 HP
Transmission6 Speed Automatic
SuspensionWalking Beam
Rear AxleTandem Axle
Rear End40,000 lb
Stock Number339748
MLS Number13556816
CategoryGarbage Trucks
Last Updated12/11/2025
Location
Manchester, NH, US
Sold By
Allegiance Trucks
2023 Mack Granite Roll Off Truck - Galbreath Roll Off Body, Financing Available , Trades Welcome
19 0

2023 Mack Granite Roll Off Truck - Galbreath Roll Off Body, Financing Available , Trades Welcome

$186,995 USD
For sale: 2023 Mack Granite roll-off truck in excellent condition with only 177,000 miles – ready to work today! Powered by a strong Mack MP8 425 HP engine paired with a smooth-shifting...
ConditionUsed
Usage177,293 Miles
Duty ClassHeavy Duty Roll Off Truck
Upfit TypeRoll Off Body
Upfit MakeGalbreath
Upfit ModelRoll Off
Horse Power425 HP
Engine ModelMack MP8
Drivetrain6x4
Transmission6 Speed Allison RDS Automatic
Suspension4 Bag Air Ride
Rear AxleTandem Axle
Rear End46,000 lb 4.10 ratio
Lift Capacity60000.00 Lb
WinchYes
Stock NumberU036869
MLS Number14026873
CategoryRoll Off Trucks
Last Updated12/10/2025
Location
Springfield, MO, US
Sold By
Tri State Truck Center - Springfield, MO
Mack LEU613 Tandem Axle Garbage Truck - MP7, 6 Speed Allison Rds Amt
3 0

2015 Mack LEU613 Tandem Axle Garbage Truck - MP7, 6 Speed Allison Rds Amt

$59,900 USD
Dual Drive, DOT'd, 31 Yard Labrie dual tipper,
ConditionUsed
Usage59,200 Miles
Duty ClassHeavy Duty Garbage Truck
Engine ModelMack MP7
Drivetrain6x4
Transmission6 Speed Allison RDS Automated
SuspensionCamelback
Rear AxleTandem Axle
Rear End46,000 lb
MLS Number13755606
CategoryGarbage Trucks
Last Updated12/10/2025
Location
Worcester, MA, US
Sold By
Ballard Truck Center
Mack Granite 84FR Tri Axle Dump Truck - MP7 430HP, 6 Speed Allison Rds Automatic, 16' Dump
51 1

2020 Mack Granite 84FR Tri Axle Dump Truck - MP7 430HP, 6 Speed Allison Rds Automatic, 16' Dump

$125,000 USD
*************just sold*****************,
ConditionUsed
Usage286,948 Miles
Duty ClassHeavy Duty Dump Truck
Bed Length16 ft.
Horse Power430 HP
Engine ModelMack MP7
Drivetrain8x4
Transmission6 Speed Allison RDS Automatic
SuspensionHaulMaax
Rear AxleTri Axle
Rear End49,000 lb
MLS Number13884060
CategoryDump Trucks
Last Updated12/13/2025
Location
Jackson, TN, US
Sold By
Snider Equipment
Mack Granite GU713 Tri Axle Dump Truck - MP8, 6 Speed Allison Rds Automatic, 16' Dump
11 0

2017 Mack Granite GU713 Tri Axle Dump Truck - MP8, 6 Speed Allison Rds Automatic, 16' Dump

$139,500 USD
Triaxle, 16' Ox Steel Dump w/60" Sides, MP8 Mack, Allison Automatic 6 Speed, 4.73 Ratio, Camelback, Double Frame, 20K Pusher, 228" WB, 21'4" Bridge, Dual P/S Boxes, Diff Lock, Electric Tarp,...
ConditionUsed
Usage12,608 Hours
Duty ClassHeavy Duty Dump Truck
Upfit MakeOx Bodies
Bed Length16 ft.
Engine ModelMack MP8
Transmission6 Speed Allison RDS Automatic
SuspensionCamelback
Rear AxleTri Axle
Rear End4.73 ratio
Stock NumberHM036276
MLS Number13961715
CategoryDump Trucks
Last Updated12/4/2025
Location
Chatham, VA, US
Sold By
J&J Truck Sales
Mack Granite 64FR Quad Axle Dump Truck - MP7-425M 425HP, 6 Speed Allison Rds Automatic, 19.5' Dump
15 0

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

$159,900 USD
Quad Axle, 19.5' Rogers Aluminum Dump w/48" Sides, MP7 Mack 425 HP, Allison Automatic 6 Speed, 4.50 Ratio, 3 Stage Engine Brake, Camelback, Double Frame, 18K FA, 44K RA, (2) Steerable L/A,...
ConditionUsed
Usage12,017 Hours
Duty ClassHeavy Duty Dump Truck
Upfit MakeRogers
Bed Length19.5
Horse Power425 HP
Engine ModelMack MP7-425M
Transmission6 Speed Allison RDS Automatic
SuspensionCamelback
Rear AxleQuad Axle
Rear End4.50 ratio
Stock NumberKM002457
MLS Number13302450
CategoryDump Trucks
Last Updated12/4/2025
Location
Chatham, VA, US
Sold By
J&J Truck Sales
Mack Granite 104FR Quad Axle Dump Truck - MP8 455HP, 6 Speed Allison Rds Automatic, 17.5' Dump
13 0

2020 Mack Granite 104FR Quad Axle Dump Truck - MP8 455HP, 6 Speed Allison Rds Automatic, 17.5' Dump

$164,900 USD
Quad Axle, 17.5' Tebco Aluminum Dump w/60" Sides, MP8 Mack 455 HP, Allison Automatic 6 Speed, 3.98 Ratio, 3 Stage Engine Brake, mRIDE, Double Frame, 18K FA, 46K RA, (2) 12,350 Steerable L/A,...
ConditionUsed
Usage10,876 Hours
Duty ClassHeavy Duty Dump Truck
Bed Length17.5
Horse Power455 HP
Engine ModelMack MP8
Transmission6 Speed Allison RDS Automatic
SuspensionMack mRIDE
Rear AxleQuad Axle
Rear End3.98 ratio
Stock NumberLM001121
MLS Number13498793
CategoryDump Trucks
Last Updated12/4/2025
Location
Chatham, VA, US
Sold By
J&J Truck Sales
Mack Granite 104FR Quad Axle Dump Truck - MP8 455HP, 6 Speed Allison Rds Automatic
10 0

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

$164,900 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...
ConditionUsed
Usage321,802 Miles
Duty ClassHeavy Duty Dump Truck
Horse Power455 HP
Engine ModelMack MP8
Transmission6 Speed Allison RDS Automatic
SuspensionMack mRIDE
Rear AxleQuad Axle
Stock Number001121
MLS Number13500797
CategoryDump Trucks
Last Updated12/3/2025
Location
Chatham, VA, US
Sold By
Atkinson Truck Sales
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

$159,900 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...
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 Updated12/3/2025
Location
Chatham, VA, US
Sold By
Atkinson Truck Sales
Mack Granite 84FR Tri Axle Dump Truck - MP7 425HP, 6 Speed Allison Rds Automatic
59 2

2020 Mack Granite 84FR Tri Axle Dump Truck - MP7 425HP, 6 Speed Allison Rds Automatic

Contact for price
****SOLD*****, 2020 MACK GR84FR, TRI AXLE DUMP, ODOM: 275,804 MILEAGE, ALLISONS RDS AUTOMATIC TRANSMISSION, 425P HP MP7 ENGINE, TEBCO BED, AIR GATE, 11R22.5, DIF LOCK, 46K REAR, 18K...
ConditionUsed
Usage275,804 Miles
Duty ClassHeavy Duty Dump Truck
Horse Power425 HP
Engine ModelMack MP7
Drivetrain8x4
Transmission6 Speed Allison RDS Automatic
Rear AxleTri Axle
Rear End46,000 lb
MLS Number13866846
CategoryDump Trucks
Last Updated12/6/2025
Location
Jackson, TN, US
Sold By
Snider Equipment
Mack Granite 64BR Roll Off Truck - MP8 D, 445HP
10 0

2026 Mack Granite 64BR Roll Off Truck - MP8 D, 445HP

$274,479 USD
The Mack GR64BR 8x4 Galbreath U75-OR-174 Roll-Off Truck is built for heavy-duty waste, recycling, and material transport operations. Powered by a 445 HP Mack MP8 D diesel engine with a...
ConditionNew
Horse Power445 HP
Engine ModelMack MP8 D
Drivetrain8x4
Transmission6 Speed
Rear End46,000 lb
Stock NumberTM052779
MLS Number14005792
CategoryRoll Off Trucks
Last Updated12/5/2025
Location
Kansas City, MO, US
Sold By
Custom Truck One Source
Mack Granite 64BR Roll Off Truck - MP8 D, 445HP
10 0

2026 Mack Granite 64BR Roll Off Truck - MP8 D, 445HP

$274,479 USD
The Mack GR64BR 8x4 Galbreath U75-OR-174 Roll-Off Truck is built for heavy-duty waste, recycling, and material transport operations. Powered by a 445 HP Mack MP8 D diesel engine with a...
ConditionNew
Horse Power445 HP
Engine ModelMack MP8 D
Drivetrain8x4
Transmission6 Speed
Rear End46,000 lb
Stock NumberTM052782
MLS Number13999981
CategoryRoll Off Trucks
Last Updated12/5/2025
Location
Kansas City, MO, US
Sold By
Custom Truck One Source
Mack LEU612 Garbage Truck - MP7, 6 Speed Allison Rds Automatic
20 0

2013 Mack LEU612 Garbage Truck - MP7, 6 Speed Allison Rds Automatic

$75,900 USD
2013 Mack LEU612 10.8L Mack MP7 engine, 6 speed Allison, AM/FM, A/C, cruise, reverse camera system, 41,840 GVW, Telma Brake system, dual drive, low entry cab, 78K miles, 10,700 hours, fresh...
ConditionUsed
Usage10,700 Hours
Duty ClassHeavy Duty Garbage Truck
Engine ModelMack MP7
Transmission6 Speed Allison RDS Automatic
MLS Number13993577
CategoryGarbage Trucks
Last Updated11/20/2025
Location
Nashville, TN, US
Sold By
Capital City Truck Sales LLC
Mack Granite 64BR Roll Off Truck - MP8 D, 445HP
7 0

2026 Mack Granite 64BR Roll Off Truck - MP8 D, 445HP

$264,487 USD
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...
ConditionNew
Horse Power445 HP
Engine ModelMack MP8 D
Drivetrain6x4
Transmission6 Speed
Rear End46,000 lb
Stock NumberTM052065
MLS Number13976897
CategoryRoll Off Trucks
Last Updated12/5/2025
Location
Kansas City, MO, US
Sold By
Custom Truck One Source
Mack Granite 64BR Roll Off Truck - MP8 D, 445HP
7 0

2026 Mack Granite 64BR Roll Off Truck - MP8 D, 445HP

$264,487 USD
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...
ConditionNew
Horse Power445 HP
Engine ModelMack MP8 D
Drivetrain6x4
Transmission6 Speed
Rear End46,000 lb
Stock NumberTM052057
MLS Number13976895
CategoryRoll Off Trucks
Last Updated12/5/2025
Location
Kansas City, MO, US
Sold By
Custom Truck One Source
Mack Granite 84FR Dump Truck - MP8 D 455HP
8 0

2026 Mack Granite 84FR Dump Truck - MP8 D 455HP

$256,019 USD
This Mack 84FR 8x4 equipped with the 16' Load King EXD16.0543-16HLI dump body is built for heavy-duty hauling of aggregates, riprap, and asphalt, with a 16-cubic-yard capacity and rugged...
ConditionNew
Horse Power455 HP
Engine ModelMack MP8 D
Drivetrain8x4
Transmission6 Speed
Rear End46,000 lb
Stock NumberTM007979
MLS Number13976891
CategoryDump Trucks
Last Updated11/12/2025
Location
Kansas City, MO, US
Sold By
Custom Truck One Source
Mack Granite 84FR Dump Truck - MP8 D 455HP
8 0

2026 Mack Granite 84FR Dump Truck - MP8 D 455HP

$256,019 USD
This Mack 84FR 8x4 equipped with the Load King EXD16.0543-16HLI dump body is built for heavy-duty hauling of aggregates, riprap, and asphalt, with a 16-cubic-yard capacity and rugged AR450...
ConditionNew
Horse Power455 HP
Engine ModelMack MP8 D
Drivetrain8x4
Transmission6 Speed
Rear End46,000 lb
Stock NumberTM007977
MLS Number13976890
CategoryDump Trucks
Last Updated11/12/2025
Location
Kansas City, MO, US
Sold By
Custom Truck One Source
Mack Granite 84FR Dump Truck - MP8 D 455HP
8 0

2026 Mack Granite 84FR Dump Truck - MP8 D 455HP

$256,019 USD
This Mack 84FR 8x4 equipped with the Load King EXD16.0543-16HLI dump body is built for heavy-duty hauling of aggregates, riprap, and asphalt, with a 16-cubic-yard capacity and rugged AR450...
ConditionNew
Horse Power455 HP
Engine ModelMack MP8 D
Drivetrain8x4
Transmission6 Speed
Rear End46,000 lb
Stock NumberTM007969
MLS Number13976889
CategoryDump Trucks
Last Updated11/12/2025
Location
Kansas City, MO, US
Sold By
Custom Truck One Source
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