New 6 Speed Trucks with Cummins Engines For Sale

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1-25 of 551 results
1-25 of 551 results
IN STOCK - 2025 Peterbilt 537 Sewer / Septic Truck - Iron-Vac 2500 Gallon Carbon Steel Tank Tank Body
10 0

IN STOCK - 2025 Peterbilt 537 Sewer / Septic Truck - Iron-Vac 2500 Gallon Carbon Steel Tank Tank Body

Recently Updated
Call for price
THIS UNIT IS CURRENTLY IN STOCK 2025 Peterbilt 537 6.7L PACCAR PX-7 Engine (300HP) Allison 6 Speed 2500 Automatic Transmission 33k GVWR 2500 Gallon Carbon Steel Tank Masport Titan (407...
Warranty
ConditionNew
Duty ClassHeavy Duty Sewer / Septic Truck
Upfit TypeTank Body
Upfit MakeIron-Vac
Upfit Model2500 Gallon
Horse Power300 HP
Engine ModelCummins 6.7
Transmission6 Speed Allison RDS
SuspensionAir Ride
Rear AxleSingle Axle
Capacity2500 Gallons
Stock Number784073
MLS Number12495875
CategorySewer / Septic Trucks
Last Updated6/18/2025
Location
Searcy, AR, US
Sold By

SepticTrucks.com

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

Newly Listed
Call for price
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 Updated6/18/2025
Location
Searcy, AR, US
Sold By

SepticTrucks.com

IN STOCK - 2025 Mack MD7 Sewer / Septic Truck - Iron-Vac 2500 Gallon Aluminum Tank Body
8 0

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

Newly Listed
Call for price
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 Aluminum Tank (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 Number1M2MDBAB6SS075905
MLS Number13642848
CategorySewer / Septic Trucks
Last Updated6/18/2025
Location
Searcy, AR, US
Sold By

SepticTrucks.com

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

Newly Listed
Call for price
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 Updated6/18/2025
Location
Searcy, AR, US
Sold By

SepticTrucks.com

Kenworth W990 Day Cab Truck - Cummins 565HP, 6 Speed Allison Rds Automatic
8 0

2026 Kenworth W990 Day Cab Truck - Cummins 565HP, 6 Speed Allison Rds Automatic

Newly Listed
$249,950 USD
New 2026 Kenworth W990 Daycab Truck for Sale. Features: Allison Transmission, 210-gallon Fuel Capacity, Dual 7 in. Exhaust Stacks, Dual Heated Motor Mirrors, Aluminum Wheels, Stainless Steel...
ConditionNew
Duty ClassHeavy Duty Day Cab Truck
Horse Power565 HP
Engine ModelCummins X15
Transmission6 Speed Allison RDS Automatic
SuspensionHendrickson PRIMAAX
Rear End46,000 lb 3.91 ratio
Stock Number217437
MLS Number13651931
CategoryDay Cab Semi Trucks
Last Updated6/18/2025
Location
Swedesboro, NJ, US
Sold By

Coopersburg & Liberty Kenworth

Kenworth W990 Day Cab Truck - Cummins 565HP, 6 Speed Allison Rds Automatic
7 0

2026 Kenworth W990 Day Cab Truck - Cummins 565HP, 6 Speed Allison Rds Automatic

Newly Listed
$249,950 USD
New 2026 Kenworth W990 Daycab Truck for Sale. Features: Allison Transmission, 210-gallon Fuel Capacity, Dual 7 in. Exhaust Stacks, Dual Heated Motor Mirrors, Aluminum Wheels, Stainless Steel...
ConditionNew
Duty ClassHeavy Duty Day Cab Truck
Horse Power565 HP
Engine ModelCummins X15
Transmission6 Speed Allison RDS Automatic
SuspensionHendrickson PRIMAAX
Rear End46,000 lb 3.91 ratio
Stock Number217436
MLS Number13651926
CategoryDay Cab Semi Trucks
Last Updated6/18/2025
Location
Swedesboro, NJ, US
Sold By

Coopersburg & Liberty Kenworth

Freightliner M2 106 Boom / Bucket Truck - 220HP
8 0

2026 Freightliner M2 106 Boom / Bucket Truck - 220HP

Newly Listed
$170,509 USD
FOR SALE! A brand new Freightliner M2106 4x2 forestry bucket upfitted with a Terex XT PRO 56-BOC-F-PC. This vehicle is powered by a 270 hp Cummins 6.7L diesel motor, and gears are shifted...
ConditionNew
Horse Power220 HP
Engine ModelCummins 6.7L D
Drivetrain4x2
Transmission6 Speed
SuspensionSpring
Rear End21,000 lb
Stock NumberTHWK8223
MLS Number13651382
CategoryBoom & Bucket Trucks
Last Updated6/18/2025
Location
Lynchburg, VA, US
Sold By

Custom Truck One Source

Freightliner M2 106 Dump Truck - Cummins 300HP
9 0

2025 Freightliner M2 106 Dump Truck - Cummins 300HP

Newly Listed
$126,338 USD
FOR SALE! A brand new Freightliner M2106 4x2 upfitted with a 10' Load King dump body. This vehicle is powered by a 300 hp Cummins 6.7L diesel motor, and gears are shifted via an Allison...
ConditionNew
Horse Power300 HP
Engine ModelCummins 6.7L D
Drivetrain4x2
Transmission6 Speed
SuspensionSpring
Rear End21,000 lb
Stock NumberSDVZ0230
MLS Number13651379
CategoryDump Trucks
Last Updated6/18/2025
Location
Union Grove, WI, US
Sold By

Custom Truck One Source

Freightliner M2 106 Dump Truck - Cummins 300HP
9 0

2025 Freightliner M2 106 Dump Truck - Cummins 300HP

Newly Listed
$126,338 USD
FOR SALE! A brand new Freightliner M2106 4x2 upfitted with a 10' Load King dump body. This vehicle is powered by a 300 hp Cummins 6.7L diesel motor, and gears are shifted via an Allison...
ConditionNew
Horse Power300 HP
Engine ModelCummins 6.7L D
Drivetrain4x2
Transmission6 Speed
SuspensionSpring
Rear End21,000 lb
Stock NumberSDVZ0229
MLS Number13651378
CategoryDump Trucks
Last Updated6/18/2025
Location
Union Grove, WI, US
Sold By

Custom Truck One Source

Freightliner M2 106 Flatbed Truck - 350HP
6 0

2025 Freightliner M2 106 Flatbed Truck - 350HP

Newly Listed
$209,120 USD
FOR SALE! A brand new Freightliner M2106 6x4 upfitted with a Load King Premier 40' conveyor body. This vehicle is powered by a 350 hp Cummins L9 diesel motor, and gears are shifted via an...
ConditionNew
Horse Power350 HP
Engine ModelCummins L9 D
Drivetrain6x4
Transmission6 Speed
Rear End46,000 lb
Stock NumberSDVR6751
MLS Number13651377
CategoryFlatbed Trucks
Last Updated6/18/2025
Location
Kansas City, MO, US
Sold By

Custom Truck One Source

Freightliner M2 106 Digger Derrick Truck - Cummins, 300HP
12 0

2025 Freightliner M2 106 Digger Derrick Truck - Cummins, 300HP

Recently Updated
$294,900 USD
-
ConditionNew
Horse Power300 HP
Engine ModelCummins L9 D
Drivetrain4x4
Transmission6 Speed
SuspensionLeaf Springs
Rear End21,000 lb
Stock NumberSDVN6720
MLS Number13023594
CategoryDigger Derrick Trucks
Last Updated6/18/2025
Location
Kansas City, MO, US
Sold By

Custom Truck One Source

Freightliner M2 106 Boom / Bucket Truck - 360HP
5 0

2023 Freightliner M2 106 Boom / Bucket Truck - 360HP

Newly Listed
$389,900 USD
Owning a Freightliner M2106 6x6 Terex Utilities TL100 Bucket Truck provides unmatched power, reach, and safety for high-voltage utility work. Powered by a 360 HP Cummins engine paired with a...
ConditionNew
Horse Power360 HP
Engine ModelCummins L9 D
Drivetrain6x6
Transmission6 Speed
Rear End40,000 lb
Stock NumberPHNX7815
MLS Number13651343
CategoryBoom & Bucket Trucks
Last Updated6/18/2025
Location
Kansas City, MO, US
Sold By

Custom Truck One Source

Peterbilt 567 Tri Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 18' Dump
10 0

2025 Peterbilt 567 Tri Axle Dump Truck - Cummins 565HP, 6 Speed Allison Rds Automatic, 18' Dump

Newly Listed
$289,000 USD
NEW 2025 PETERBILT 567 DUMP TRUCK! 18FT STEEL DUMP BODY, POWERED WITH CUMMINS X15 ENGINE, AND ALLISON 4500 SERIES AUTOMATIC TRANSMISSION. 18,000LBS FRONT AXLE, 46,000LBS REAR AXLE, 244"...
ConditionNew
Usage137 Miles
Duty ClassHeavy Duty Dump Truck
Upfit MakeHERITAGE
Bed Length18 ft.
Horse Power565 HP
Engine ModelCummins X15
Transmission6 Speed Allison RDS Automatic
SuspensionAir Trac
Rear AxleTri Axle
Rear End46,000 lb 4.56 ratio
Stock Number271889
MLS Number13650012
CategoryDump Trucks
Last Updated6/17/2025
Location
Butler, PA, US
Sold By

Hunter Truck

Western Star 49X Dump Truck - Cummins 475HP
15 0

2025 Western Star 49X Dump Truck - Cummins 475HP

Newly Listed
$205,502 USD
2025 Western Star 49X Triaxle Dump, Cummins X12 475HP, Allison 4500 RDS, 20,000 Front, 46,000 Rear, 13,200 Steerable, Hard-Ox Stampede, High Lift Gate, All the Right Stuff!,
ConditionNew
Usage1,159 Miles
Duty ClassHeavy Duty Dump Truck
Horse Power475 HP
Drivetrain6x4
Transmission6 Speed
SuspensionTufTrac
Rear AxleTandem Axle
Rear End46,000 lb 4.30 ratio
Stock Number254101
MLS Number13649812
CategoryDump Trucks
Last Updated6/17/2025
Location
Tampa, FL, US
Sold By

Southport Truck Group

Western Star 49X Dump Truck - Cummins 475HP
16 0

2025 Western Star 49X Dump Truck - Cummins 475HP

Newly Listed
$205,502 USD
2025 Western Star 49X Triaxle Dump, Cummins X12 475 HP, Allison 4500 RDS, 20,000 Front, 46,000 Rear, 13,200 Steerable, Hard-Ox Stampede, High Lift Gate, All the Right Stuff!,
ConditionNew
Usage1,140 Miles
Duty ClassHeavy Duty Dump Truck
Horse Power475 HP
Drivetrain6x4
Transmission6 Speed
SuspensionTufTrac
Rear AxleTandem Axle
Rear End46,000 lb 4.30 ratio
Stock Number254100
MLS Number13649811
CategoryDump Trucks
Last Updated6/17/2025
Location
Tampa, FL, US
Sold By

Southport Truck Group

Western Star 49X Dump Truck - Cummins 475HP
15 0

2025 Western Star 49X Dump Truck - Cummins 475HP

Newly Listed
$205,502 USD
2025 Western Star 49X Triaxle Dump, Cummins X12 475HP, Allison 4500 RDS, 20,000 Front, 46,000 Rear, 13,200 Steerable, Hard-Ox Stampede, High Lift Gate, All the Right Stuff!,
ConditionNew
Usage1,169 Miles
Duty ClassHeavy Duty Dump Truck
Horse Power475 HP
Drivetrain6x4
Transmission6 Speed
SuspensionTufTrac
Rear AxleTandem Axle
Rear End46,000 lb 4.30 ratio
Stock Number254098
MLS Number13649809
CategoryDump Trucks
Last Updated6/17/2025
Location
Tampa, FL, US
Sold By

Southport Truck Group

Western Star 49X Dump Truck - Cummins 475HP
15 0

2025 Western Star 49X Dump Truck - Cummins 475HP

Newly Listed
$205,502 USD
2025 Western Star 49X Triaxle Dump, Cummins X12 475HP, Allison 4500 RDS, 20,000 Front, 46,000 Rear, 13,200 Steerable, Hard-Ox Stampede, High Lift Gate, All the Right Stuff!,
ConditionNew
Usage1,401 Miles
Duty ClassHeavy Duty Dump Truck
Horse Power475 HP
Drivetrain6x4
Transmission6 Speed
SuspensionTufTrac
Rear AxleTandem Axle
Rear End46,000 lb 4.30 ratio
Stock Number254203
MLS Number13649806
CategoryDump Trucks
Last Updated6/17/2025
Location
Tampa, FL, US
Sold By

Southport Truck Group

Western Star 49X Dump Truck - Cummins 475HP
15 0

2025 Western Star 49X Dump Truck - Cummins 475HP

Newly Listed
$205,502 USD
2025 Western Star 49X Triaxle Dump, Cummins X12 475HP, Allison 4500 RDS, 20,000 Front, 46,000 Rear, 13,200 Steerable, Hard-Ox Stampede, High Lift Gate, All the Right Stuff!,
ConditionNew
Usage1,138 Miles
Duty ClassHeavy Duty Dump Truck
Horse Power475 HP
Drivetrain6x4
Transmission6 Speed
SuspensionTufTrac
Rear AxleTandem Axle
Rear End46,000 lb 4.30 ratio
Stock Number254099
MLS Number13649774
CategoryDump Trucks
Last Updated6/17/2025
Location
Tampa, FL, US
Sold By

Southport Truck Group

Kenworth T880 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Rds Automatic, 18' Dump
8 0

2025 Kenworth T880 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Rds Automatic, 18' Dump

Newly Listed
$279,950 USD
FET INCLUDED IN PRICE! New Kenworth T880 Tri Axle Dump Truck for sale. Features: Dual Exhaust, 120-gallon Fuel Capacity, 18 ft. Heritage Steel Dump Body with Auto Tarper, Allison...
ConditionNew
Duty ClassHeavy Duty Dump Truck
Upfit MakeHERITAGE
Bed Length18 ft.
Horse Power500 HP
Engine ModelCummins X15
Drivetrain8x4
Transmission6 Speed Allison RDS Automatic
SuspensionHendrickson PRIMAAX
Rear AxleTri Axle
Rear End64,740 lb 4.10 ratio
Stock Number132048
MLS Number13649765
CategoryDump Trucks
Last Updated6/18/2025
Location
Swedesboro, NJ, US
Sold By

Coopersburg & Liberty Kenworth

Peterbilt 567 Tri Axle Rollback Tow Truck - Cummins, 565HP, 6 Speed Allison Rds Automatic
4 0

2025 Peterbilt 567 Tri Axle Rollback Tow Truck - Cummins, 565HP, 6 Speed Allison Rds Automatic

Recently Updated
Call for price
2025 Peterbilt 567 Day Cab Tri-Axle White, Century 30 Series LCG (DRW-LCB), VIN: 1NPCX4EX9SD724960, Quote Identifier: Pete of Atlanta QUO-1082419-J8P2C4, 2025 White Peterbilt Model 567...
ConditionNew
Usage22 Miles
Duty ClassHeavy Duty Rollback Tow Truck
Bed Length28 ft.
Horse Power565 HP
Engine ModelCummins X15
Drivetrain8x4
Transmission6 Speed Allison RDS Automatic
SuspensionNeway
Rear AxleTri Axle
Rear End59,500 lb
Stock NumberC1732-R1312
MLS Number13534083
CategoryRollback Tow Trucks
Last Updated6/17/2025
Location
Ellicott City, MD, US
Sold By

All Roads Trucks

Kenworth T880 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Rds Automatic
8 3

2025 Kenworth T880 Tri Axle Dump Truck - Cummins 500HP, 6 Speed Allison Rds Automatic

Recently Updated
$279,950 USD
New Kenworth T880 Tri Axle Dump Truck for sale. Features: Dual Exhaust, 120-gallon Fuel Capacity, Pik Rite Steel Ultra Light Hardox Dump Body with Auto Tarper, Allison Transmission, Power...
ConditionNew
Duty ClassHeavy Duty Dump Truck
Upfit MakePIK RITE
Horse Power500 HP
Engine ModelCummins X15
Drivetrain8x4
Transmission6 Speed Allison RDS Automatic
SuspensionHendrickson PRIMAAX
Rear AxleTri Axle
Rear End64,740 lb 4.10 ratio
Stock Number132063
MLS Number13464024
CategoryDump Trucks
Last Updated6/17/2025
Location
Swedesboro, NJ, US
Sold By

Coopersburg & Liberty Kenworth

Freightliner M2 106 Boom / Bucket Truck - 250HP
5 0

2026 Freightliner M2 106 Boom / Bucket Truck - 250HP

Newly Listed
$200,827 USD
FOR SALE! A brand new Freightliner M2106 4x2 upfitted with a Terex XT PRO 60/70-ORA-F-PC bucket. This vehicle is powered by a 250 hp Cummins 6.7L diesel motor, and gears are shifted via an...
ConditionNew
Horse Power250 HP
Engine ModelCummins 6.7L D
Drivetrain4x2
Transmission6 Speed
SuspensionSpring
Rear End21,000 lb
Stock NumberTDWH2414
MLS Number13649063
CategoryBoom & Bucket Trucks
Last Updated6/17/2025
Location
Lynchburg, VA, US
Sold By

Custom Truck One Source

Peterbilt 567 Dump Truck - Cummins 525HP
7 0

2026 Peterbilt 567 Dump Truck - Cummins 525HP

Newly Listed
$265,773 USD
Owning a Peterbilt 567 10x4 19' Load King Dump Truck offers unbeatable power, capacity, and versatility for heavy-duty hauling operations. Equipped with a 525 HP Cummins X15 engine and an...
ConditionNew
Horse Power525 HP
Engine ModelCummins X15 D
Drivetrain10x4
Transmission6 Speed
Rear End46,000 lb
Stock NumberTD782294
MLS Number13649062
CategoryDump Trucks
Last Updated6/17/2025
Location
Union Grove, WI, US
Sold By

Custom Truck One Source

Peterbilt 567 Dump Truck - Cummins 525HP
7 0

2026 Peterbilt 567 Dump Truck - Cummins 525HP

Newly Listed
$265,773 USD
Owning a Peterbilt 567 10x4 19' Load King Dump Truck offers unbeatable power, capacity, and versatility for heavy-duty hauling operations. Equipped with a 525 HP Cummins X15 engine and an...
ConditionNew
Horse Power525 HP
Engine ModelCummins X15 D
Drivetrain10x4
Transmission6 Speed
Rear End46,000 lb
Stock NumberTD782293
MLS Number13649060
CategoryDump Trucks
Last Updated6/17/2025
Location
Union Grove, WI, US
Sold By

Custom Truck One Source

Freightliner M2 106 Dump Truck - Cummins 300HP
9 0

2025 Freightliner M2 106 Dump Truck - Cummins 300HP

Newly Listed
$126,338 USD
FOR SALE! A brand new Freightliner M2106 4x2 upfitted with a 10' Load King dump body. This vehicle is powered by a 300 hp Cummins 6.7L diesel motor, and gears are shifted via an Allison...
ConditionNew
Horse Power300 HP
Engine ModelCummins 6.7L D
Drivetrain4x2
Transmission6 Speed
SuspensionSpring
Rear End21,000 lb
Stock NumberSDVZ0232
MLS Number13649043
CategoryDump Trucks
Last Updated6/17/2025
Location
Union Grove, WI, US
Sold By

Custom Truck One Source

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