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18' Tri Axle 8x4 Dump Trucks For Sale

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Showing 1 - 11 of 11 Dump Truck Listings

1 - 11 of 11 listings
1 - 11 of 11 listings
Freightliner Cascadia 125 Dump Truck - Cummins 450HP, 10 Speed Manual

2016 Freightliner Cascadia 125 Dump Truck - Cummins 450HP, 10 Speed Manual

Price Drop $62,500 USD
2016 Freightliner Cascadia Dump Truck, Pre Emission Cummins ISX 15, 450 HP, 10 Speed Manual, 18ft steel end dump, Steerable Lift Axle, Air Ride, Jake Brake,
ConditionUsed
Usage510,850 Miles
Duty ClassHeavy Duty Dump Truck
Bed Length18 ft.
Horse Power450 HP
Engine ModelCummins ISX
Drivetrain8x4
Transmission10 Speed Manual
SuspensionAir Ride
Rear AxleTri Axle
Rear End52,000 lb
Stock NumberBTS3636
MLS Number13501206
CategoryDump Trucks
Last Updated1/22/2026
Location
Great Falls, MT, US
Sold By
Bouma Truck Sales
(855) 605-___  SHOW
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Bouma Truck Sales
Freightliner Cascadia 126 Tri Axle Dump Truck - Detroit 470HP, 12 Speed Dt12 Automatic, 18' Dump

2019 Freightliner Cascadia 126 Tri Axle Dump Truck - Detroit 470HP, 12 Speed Dt12 Automatic, 18' Dump

$120,000 USD
Brand New Dump Bed and System, Nice truck, One Owner, Contact ED Gibbs for details,
ConditionUsed
Usage299,971 Miles
Duty ClassHeavy Duty Dump Truck
Bed Length18 ft.
Horse Power470 HP
Engine ModelDetroit DD13
Drivetrain8x4
Transmission12 Speed Detroit DT12 Automatic
SuspensionAir Ride
Rear AxleTri Axle
Rear End40,000 lb 3.08 ratio
Stock Number2664
MLS Number14020340
CategoryDump Trucks
Last Updated1/16/2026
Location
Phoenix, AZ, US
Sold By
TCI Transportation
(480) 995-___  SHOW
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TCI Transportation
Freightliner Cascadia 126 Tri Axle Dump Truck - Detroit 470HP, 12 Speed Dt12 Automatic, 18' Dump

2019 Freightliner Cascadia 126 Tri Axle Dump Truck - Detroit 470HP, 12 Speed Dt12 Automatic, 18' Dump

Price Drop $120,000 USD
Brand New Build on a 2019 Low Mile Chassis, Complete New Dump Bed and System, Contact Ed Gibbs for more information,
ConditionUsed
Usage299,000 Miles
Duty ClassHeavy Duty Dump Truck
Bed Length18 ft.
Horse Power470 HP
Engine ModelDetroit DD13
Drivetrain8x4
Transmission12 Speed Detroit DT12 Automatic
SuspensionAir Ride
Rear AxleTri Axle
Rear End40,000 lb 3.08 ratio
MLS Number13786524
CategoryDump Trucks
Last Updated1/16/2026
Location
Phoenix, AZ, US
Sold By
TCI Transportation
(480) 995-___  SHOW
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TCI Transportation
Freightliner M2 112 Tri Axle Dump Truck - Detroit 450HP, 6+2 Speed Allison Rds Automatic

2023 Freightliner M2 112 Tri Axle Dump Truck - Detroit 450HP, 6+2 Speed Allison Rds Automatic

Price Drop $135,900 USD
Brand New Build, On a 2023 Freightliner Chassis, Low Miles, New Dump Bed and System, High Lift and Swing Gate, Allison Automatic, Contact Ed Gibbs,
ConditionUsed
Usage68,322 Miles
Duty ClassHeavy Duty Dump Truck
Bed Length18 ft.
Horse Power450 HP
Engine ModelDetroit DD13
Drivetrain8x4
Transmission6+1 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleTri Axle
Rear End40,000 lb 3.90 ratio
MLS Number13775517
CategoryDump Trucks
Last Updated1/16/2026
Location
Phoenix, AZ, US
Sold By
TCI Transportation
(480) 995-___  SHOW
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TCI Transportation
Peterbilt 567 Tri Axle Dump Truck - Cummins 525HP, 18 Speed Endurant Amt, 18' Dump

2026 Peterbilt 567 Tri Axle Dump Truck - Cummins 525HP, 18 Speed Endurant Amt, 18' Dump

Contact for price
Beautiful White 567 triaxle. 525 Cummins mated to an 18 Speed Endurant XD Pro Automated transmission. All sitting on Air Trac Suspension
ConditionNew
Usage254 Miles
Duty ClassHeavy Duty Dump Truck
Upfit MakePIK RITE
Bed Length18 ft.
Horse Power525 HP
Engine ModelCummins X15
Drivetrain8x4
Transmission18 Speed Endurant Automated
SuspensionAir Trac
Rear AxleTri Axle
Rear End66,000 lb 4.10 ratio
Stock Number279028
MLS Number13854194
CategoryDump Trucks
Last Updated12/19/2025
Location
Smithfield, PA, US
Sold By
Hunter Truck
(724) 243-___  SHOW
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Hunter Truck
Kenworth T880 Tri Axle Dump Truck - Paccar 485HP, 8Ll Manual, 18' Dump

2020 Kenworth T880 Tri Axle Dump Truck - Paccar 485HP, 8Ll Manual, 18' Dump

$149,900 USD
2020 Kenworth T880 --- Tri Axle, MX-13 Paccar 485 HP, Eaton-Fuller Manual 8LL, 3.91 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 228" Wheelbase, 21' 4" Bridge, Air Ride, Double Frame, 3 Stage...
ConditionUsed
Usage13,072 Hours
Duty ClassHeavy Duty Dump Truck
Upfit MakeHERITAGE
Bed Length18 ft.
Horse Power485 HP
Engine ModelPaccar MX-13
Drivetrain8x4
Transmission8LL Manual
SuspensionAir Ride
Rear AxleTri Axle
Rear End46,000 lb 3.91 ratio
Stock Number308247
MLS Number13533465
CategoryDump Trucks
Last Updated12/3/2025
Location
Chatham, VA, US
Sold By
Atkinson Truck Sales
(855) 804-___  SHOW
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Atkinson Truck Sales
Peterbilt 567 Tri Axle Dump Truck - Cummins 500HP, 8Ll Manual

2016 Peterbilt 567 Tri Axle Dump Truck - Cummins 500HP, 8Ll Manual

$129,900 USD
2016 Peterbilt 567 --- Tri Axle, ISX-15 Cummins 500 HP, Eaton-Fuller Manual 8LL, 3.91 Ratio, 18,740 Front Axle, 46,000 Rear Axle, 242" Wheelbase, 22' 7" Bridge, Chalmers, Double Frame, 3...
ConditionUsed
Usage384,449 Miles
Duty ClassHeavy Duty Dump Truck
Upfit MakeBeau-Roc
Bed Length18 ft.
Horse Power500 HP
Engine ModelCummins ISX15
Drivetrain8x4
Transmission8LL Manual
SuspensionChalmers
Rear AxleTri Axle
Rear End46,000 lb 3.91 ratio
Stock Number358222
MLS Number13720370
CategoryDump Trucks
Last Updated11/13/2025
Location
Chatham, VA, US
Sold By
Atkinson Truck Sales
(855) 804-___  SHOW
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Atkinson Truck Sales
Peterbilt 389 Tri Axle Dump Truck - Cummins 500HP, 18 Speed Manual, 17.5' Dump

2016 Peterbilt 389 Tri Axle Dump Truck - Cummins 500HP, 18 Speed Manual, 17.5' Dump

$134,900 USD
2016 Peterbilt 389 --- Tri Axle, ISX15 Cummins 500 HP, Eaton-Fuller Manual 18 Speed, 3.91 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 246" Wheelbase, 22' 10" Bridge, Air Ride Air Trac,...
ConditionUsed
Usage342,651 Miles
Duty ClassHeavy Duty Dump Truck
Upfit MakeBeau-Roc
Bed Length18 ft.
Horse Power500 HP
Engine ModelCummins ISX15
Drivetrain8x4
Transmission18 Speed Manual
SuspensionAir Trac
Rear AxleTri Axle
Rear End46,000 lb 3.91 ratio
Stock Number319705
MLS Number13671253
CategoryDump Trucks
Last Updated11/13/2025
Location
Chatham, VA, US
Sold By
Atkinson Truck Sales
(855) 804-___  SHOW
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Atkinson Truck Sales
Kenworth T880 Tri Axle Dump Truck - Paccar 485HP, 8Ll Manual, 17.5' Dump

2018 Kenworth T880 Tri Axle Dump Truck - Paccar 485HP, 8Ll Manual, 17.5' Dump

$139,900 USD
2018 Kenworth T880 --- Tri Axle, MX-13 Paccar 485 HP, Eaton-Fuller Manual 8LL, 3.73 Ratio, 18,740 Front Axle, 46,000 Rear Axle, 215" Wheelbase, 20' 2" Bridge, Hendrickson Air Ride, Double...
Quantity2
ConditionUsed
Usage320,859 Miles
Duty ClassHeavy Duty Dump Truck
Upfit MakeJ&J
Bed Length18 ft.
Horse Power485 HP
Engine ModelPaccar MX-13
Drivetrain8x4
Transmission8LL Manual
SuspensionAir Ride
Rear AxleTri Axle
Rear End46,000 lb 3.73 ratio
Stock Number186225
MLS Number12620687
CategoryDump Trucks
Last Updated9/18/2025
Location
Chatham, VA, US
Sold By
Atkinson Truck Sales
(855) 804-___  SHOW
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Atkinson Truck Sales
International WorkStar 7600 Tri Axle Dump Truck - 450HP, 18 Speed Manual, 18' Dump

2013 International WorkStar 7600 Tri Axle Dump Truck - 450HP, 18 Speed Manual, 18' Dump

$45,000 USD
GOOD TRUCK, WELL MAINTAINED, RUNS EXCELLENT, DOUBLE FRAME, NICE BED, AIR GATE, ELECTRIC TARP, FULL LOCKING REARS, 20,000 LBS AIR LIFT AXLE, TILT/TELE, POWER WINDOWS, POWER MIRRORS, HEATED...
ConditionUsed
Usage375,910 Miles
Duty ClassHeavy Duty Dump Truck
Bed Length18 ft.
Horse Power450 HP
Drivetrain8x4
Transmission18 Speed Manual
SuspensionHaulMaax
Rear AxleTri Axle
Rear End46,000 lb 3.90 ratio
Stock Number137600375TRIDUMP
MLS Number13752183
CategoryDump Trucks
Last Updated11/10/2025
Location
Covington, TN, US
Sold By
Don Baskin Truck Sales
(833) 801-___  SHOW
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Don Baskin Truck Sales
Peterbilt 367 Tri Axle Dump Truck - Paccar 510HP, 13 Speed Ultrashift Plus Amt, 18' Dump

2018 Peterbilt 367 Tri Axle Dump Truck - Paccar 510HP, 13 Speed Ultrashift Plus Amt, 18' Dump

$89,500 USD
2018 Peterbilt 367, 13 spd Auto, 510hp MX-13, Electric tarp, 407k Mi, Nationwide Delivery Available
ConditionUsed
Usage407,500 Miles
Duty ClassHeavy Duty Dump Truck
Bed Length18 ft.
Horse Power510 HP
Engine ModelPaccar MX-13
Drivetrain8x4
Transmission13 Speed Ultrashift Plus Automated
SuspensionAir Ride
Rear AxleTri Axle
Rear End46,000 lb 4.10 ratio
Stock Number1344
MLS Number13767316
CategoryDump Trucks
Last Updated8/19/2025
Location
Sawyer, KS, US
Sold By
The Wrays, LLC
(833) 904-___  SHOW
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The Wrays, LLC
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