18 Speed Tri Axle Trucks For Sale

Featured Item

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2013 Peterbilt 389 Tri Axle Sleeper Semi Truck - Caterpillar 600HP, 18 Speed Manual

$164,750 USD

76k Miles on $41,000 Gold Kit Overhaul including Head and Injectors with Paperwork ~ 6NZ C15 ~ 525 HP ~ 18 Speed ~ All Aluminum Wheels ~ Financing Available with Your Good Credit,

Condition	Used
Usage	349,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	525 HP
Engine Model	Caterpillar C15
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Leaf
Rear Axle	Tri Axle
Rear End	40,000 lb 3.73 ratio
Stock Number	201043
MLS Number	13655151
Category	Sleeper Semi Trucks
Last Updated	7/29/2025
Location	Olive Branch, MS, US
Sold By	Truck Market

Featured Item

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2021 Kenworth W990 Tri Axle Day Cab Truck - Cummins 605HP, 18 Speed Manual

$177,750 USD

Only 182,000 Original Miles ~ Cummins X15 ~ 605 HP ~ 2250 Torque 18 Speed ~ 20k Front / 20k Pusher / 46k Rears ~ Full Lockers ~ Wet Kit ~ Only One Owner ~ Financing Available with Your Good...

Condition	Used
Usage	182,000 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	605 HP
Engine Model	Cummins X15
Transmission	18 Speed Manual
Suspension	Newair
Rear Axle	Tri Axle
Rear End	46,000 lb 3.91 ratio
Stock Number	427497
MLS Number	13506745
Category	Day Cab Semi Trucks
Last Updated	7/20/2025
Location	Olive Branch, MS, US
Sold By	Truck Market

(833) 658-___ SHOW
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Featured Item

49 1

2019 Western Star 4900FA Day Cab Truck Tractor, Air Ride Cab, Air Ride Suspension, Tri Axle, Pusher Axle, Heavy Hauler, Wet Kit, Air Sliding 5th Wheel

$134,444 USD

2019 Western Star 4900FA , Stock: KM5124 VIN:5KJNAED12KPKM5124 Year:2019 Make: Western Star Model: 4900FA Engine:Detroit DD15 6 Cylinder 15.6 L Diesel Mileage: 199540 miles Horsepower:...

Condition	Used
Usage	199,540 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	475 HP
Engine Model	Detroit Diesel DD16
Drivetrain	8x4
Transmission	18 Speed Manual
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	43,000 lb
Stock Number	KM5124
MLS Number	13576579
Category	Day Cab Semi Trucks
Last Updated	8/7/2025
Location	Elkton, MD, US
Sold By	Complete Recycling Group LLC

Featured Item

15 1

2021 Peterbilt 389 Tri Axle Sleeper Semi Truck - Cummins 605HP, 18 Speed Manual

$177,750 USD

244,000 Original Miles ~ Deleted Cummins X15 ~ 605 HP ~ 18 Speed ~ 20k Front / 20k Pusher /46k Rears ~ Full Lockers ~ Full Double Frame ~ All Aluminum Wheels ~ Only One Owner ~ Financing...

Condition	Used
Usage	244,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	605 HP
Engine Model	Cummins X15
Transmission	18 Speed Manual
Sleeper Type	Raised Roof Sleeper
Suspension	Air Trac
Rear Axle	Tri Axle
Rear End	46,000 lb
Stock Number	750207
MLS Number	13555597
Category	Sleeper Semi Trucks
Last Updated	7/20/2025
Location	Olive Branch, MS, US
Sold By	Truck Market

(833) 801-___ SHOW
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5 0

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

Newly Listed

$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...

Condition	Used
Usage	375,910 Miles
Duty Class	Heavy Duty Dump Truck
Bed Length	18 ft.
Horse Power	450 HP
Drivetrain	8x4
Transmission	18 Speed Manual
Suspension	HaulMaax
Rear Axle	Tri Axle
Rear End	46,000 lb 3.90 ratio
Stock Number	137600375TRIDUMP
MLS Number	13752183
Category	Dump Trucks
Last Updated	8/10/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

5 0

2022 Kenworth W900L Tri Axle Dump Truck - Cummins 450HP, 18 Speed Manual, 17' Dump

Price Drop

$151,750 USD

**MAKE AN OFFER!** Used Kenworth W900L Tri Axle Dump Truck for sale. Features: Extended Cab, Heavy Single Frame, Lockers, DuraBright Finish Wheels, Diamond VIT Interior, Navigation, Leather...

Condition	Used
Usage	409,422 Miles
Duty Class	Heavy Duty Dump Truck
Bed Length	17 ft.
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	18 Speed Manual
Suspension	Hendrickson PRIMAAX
Rear Axle	Tri Axle
Rear End	59,200 lb 3.58 ratio
Stock Number	481510T
MLS Number	13698479
Category	Dump Trucks
Last Updated	8/9/2025
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

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8 0

2021 Kenworth W900B Tri Axle Dump Truck - Cummins 505HP, 18 Speed Manual, 18' Dump

Price Drop

$141,750 USD

**MAKE AN OFFER!** Used Kenworth W900B Tri Axle Dump Truck for sale. Features: 20,000 lb. Steerable Lift Axle, Double Frame, Leather Heated Seats, 18 ft. Aluminum Smooth-side Heritage Dump...

Condition	Used
Usage	10,681 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	18 ft.
Horse Power	505 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	18 Speed Manual
Suspension	Hendrickson PRIMAAX
Rear Axle	Tri Axle
Rear End	46,000 lb 3.91 ratio
Stock Number	418460T
MLS Number	13698469
Category	Dump Trucks
Last Updated	8/9/2025
Location	Swedesboro, NJ, US
Sold By	Coopersburg & Liberty Kenworth

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2020 Mack Granite 64FT Tri Axle Day Cab Truck - MP8 515HP, 18 Speed Manual

Recently Updated

$117,750 USD

Only 189k Original Miles ~ Mack MP8 ~ 505 HP ~ 18 Speed ~ 18k Front / 23k Pusher / 46k Rears ~ Wet Kit ~ All Aluminum Wheels ~ Headache Rack ~ Financing Available with Your Good Credit,

Condition	Used
Usage	188,000 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	515 HP
Engine Model	Mack MP8
Transmission	18 Speed Manual
Rear Axle	Tri Axle
Stock Number	019263
MLS Number	13673093
Category	Day Cab Semi Trucks
Last Updated	8/9/2025
Location	Olive Branch, MS, US
Sold By	Truck Market

15 0

2020 Peterbilt 567 Tri Axle Dump Truck - Cummins 505HP, 18 Speed Manual, 17.5' Dump

Price Drop

$161,500 USD

**MAKE AN OFFER!** Used 2020 Peterbilt 567 Dump Truck for Sale. Features: Heritage Dump Body, Auto Tarper, 20k Steerable, 3/4 Lockers, Double Frame, NY Hood Mirrors, Dual Exhaust Stacks, 120...

Condition	Used
Usage	10,423 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	17.5
Horse Power	505 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	18 Speed Manual
Suspension	Walking Beam
Rear Axle	Tri Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	25P036
MLS Number	13649481
Category	Dump Trucks
Last Updated	8/9/2025
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

(844) 257-___ SHOW
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22 0

2020 Kenworth W990 Tri Axle Day Cab Truck - Cummins 565HP, 18 Speed Manual

Recently Updated

$146,900 USD

IN STOCK Robstown, TX USED 2020 Kenworth W990 day cab, 4 axle haul truck, Cummins X15 engine with 565 horsepower, 18 speed Eaton Fuller Transmission, pusher axle, 20k front axle, 22,500...

Condition	Used
Usage	11,465 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	18 Speed Manual
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	65,500 lb 4.10 ratio
Stock Number	10564
MLS Number	13495671
Category	Day Cab Semi Trucks
Last Updated	8/9/2025
Location	Robstown, TX, US
Sold By	J&B Pavelka, Inc.

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2020 Peterbilt 567 Tri Axle Dump Truck - Cummins 485HP, 18 Speed Manual, 17.5' Dump

Price Drop

$156,500 USD

**MAKE AN OFFER!** Used 2020 Peterbilt 567 Dump Truck for Sale. Features: Heritage Steel Dump Body, 20k Steerable Pusher, Double Frame, Heated Power Mirrors, Hood Mounted Side Mirrors,...

Condition	Used
Usage	11,840 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	17.5
Horse Power	485 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	18 Speed Manual
Suspension	Walking Beam
Rear Axle	Tri Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	24P163T
MLS Number	13270835
Category	Dump Trucks
Last Updated	8/9/2025
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

13 0

2020 Peterbilt 567 Tri Axle Dump Truck - Cummins 505HP, 18 Speed Manual, 17.5' Dump

Price Drop

$156,500 USD

**MAKE AN OFFER!** Used Peterbilt 567 Tri-Axle Dump Truck for sale. Features: Dual Vertical Exhaust, 120-gallon Fuel Capacity, 17.5 ft. Steel Heritage Dump Body, Power Locks and Windows,...

Condition	Used
Usage	12,045 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	17.5
Horse Power	505 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	18 Speed Manual
Suspension	Walking Beam
Rear Axle	Tri Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	24P166T
MLS Number	13270834
Category	Dump Trucks
Last Updated	8/9/2025
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

13 0

2020 Peterbilt 567 Tri Axle Dump Truck - Cummins 505HP, 18 Speed Manual, 17.5' Dump

Price Drop

$161,500 USD

**MAKE AN OFFER!** Used Peterbilt 567 Tri-Axle Dump Truck for sale. Features: Dual Vertical Exhaust, 120-gallon Fuel Capacity, 17.5 ft. Steel Heritage Dump Body, Power Locks and Windows,...

Condition	Used
Usage	11,100 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	17.5
Horse Power	505 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	18 Speed Manual
Suspension	Walking Beam
Rear Axle	Tri Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	24P161T
MLS Number	13270833
Category	Dump Trucks
Last Updated	8/9/2025
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

9 0

2020 Peterbilt 567 Tri Axle Dump Truck - Cummins 505HP, 18 Speed Manual, 17.5' Dump

Price Drop

$161,500 USD

**MAKE AN OFFER!** Used 2020 Peterbilt 567 Dump Truck for Sale. Features: Heritage Steel Dump Body, 20k Steerable Pusher, Double Frame, Heated Power Mirrors, Hood Mounted Side Mirrors,...

Condition	Used
Usage	12,007 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	17.5
Horse Power	505 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	18 Speed Manual
Suspension	Walking Beam
Rear Axle	Tri Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	24P164T
MLS Number	13234827
Category	Dump Trucks
Last Updated	8/9/2025
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

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8 0

2016 Kenworth W900B Tri Axle Day Cab Truck - Cummins 600HP, 18 Speed Manual

Recently Updated

$149,950 USD

**MAKE AN OFFER!** Used Kenworth W900B Daycab for sale. Features: 20,000 lb. Steerable Lift Axle, Dual Exhaust, Dual Breathers, Double Frame, Chrome Bumper, Fenders, Light Bar, Headache Rack...

Condition	Used
Usage	12,098 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	600 HP
Engine Model	Cummins ISX15
Drivetrain	8x4
Transmission	18 Speed Manual
Suspension	Neway
Rear Axle	Tri Axle
Rear End	52,000 lb 4.30 ratio
Stock Number	499308T
MLS Number	13061395
Category	Day Cab Semi Trucks
Last Updated	8/9/2025
Location	Swedesboro, NJ, US
Sold By	Coopersburg & Liberty Kenworth

10 1

2018 Kenworth T880 Tri Axle Dump Truck - Paccar 510HP, 18 Speed Manual, 17.5' Dump

Price Drop

$126,500 USD

**MAKE AN OFFER!** Used Kenworth T880 Tri Axle Dump Truck for sale. Features: 17.5 ft. Steel Beau-Roc Dump Body, Dual Exhaust, 110-gallon Fuel Capacity, Auto Tarper, Chrome Bumper, Chrome...

Condition	Used
Usage	8,693 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Beau-Roc
Bed Length	17.5
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	8x4
Transmission	18 Speed Manual
Suspension	Hendrickson PRIMAAX
Rear Axle	Tri Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	24P050
MLS Number	12843649
Category	Dump Trucks
Last Updated	8/9/2025
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

12 1

2018 Kenworth T880 Tri Axle Dump Truck - Paccar 510HP, 18 Speed Manual, 17.5' Dump

Price Drop

$126,500 USD

**MAKE AN OFFER!** Used Kenworth T880 Tri Axle Dump Truck for sale. Features: 17.5 ft. Steel Beau-Roc Dump Body, Dual Exhaust, Block Heater, 110-gallon Fuel Capacity, Auto Tarper, Chrome...

Condition	Used
Usage	11,747 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Beau-Roc
Bed Length	17.5
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	8x4
Transmission	18 Speed Manual
Suspension	Hendrickson PRIMAAX
Rear Axle	Tri Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	24P049
MLS Number	12843494
Category	Dump Trucks
Last Updated	8/9/2025
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

10 1

2018 Kenworth T880 Tri Axle Dump Truck - Paccar 510HP, 18 Speed Manual, 17.5' Dump

Price Drop

$121,950 USD

**MAKE AN OFFER!** Used Kenworth T880 Tri Axle Dump Truck for sale. Features: 17.5 ft. Steel Beau-Roc Dump Body, Dual Exhaust, 110-gallon Fuel Capacity, Auto Tarper, Chrome Bumper, Chrome...

Condition	Used
Usage	12,894 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Beau-Roc
Bed Length	17.5
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	8x4
Transmission	18 Speed Manual
Suspension	Hendrickson
Rear Axle	Tri Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	24P047
MLS Number	12843440
Category	Dump Trucks
Last Updated	8/9/2025
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

13 0

2012 Peterbilt 367 Tri Axle Sleeper Semi Truck - 36" Flat Top Sleeper, Cummins 600HP, 18 Speed Manual

Price Drop

$97,500 USD

**MAKE AN OFFER!** Used Peterbilt 367 Flat-top Tri-Axle Sleeper for sale. Features: Single Exhaust, Cruise Control, Air Ride Seats, Power Locks and Windows, Heated Power Mirrors, Stainless...

Condition	Used
Usage	6,983 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	600 HP
Engine Model	Cummins ISX15
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	36"
Suspension	Air Trac
Rear Axle	Tri Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	22P357
MLS Number	12669627
Category	Sleeper Semi Trucks
Last Updated	8/9/2025
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

12 0

2013 Peterbilt 367 Tri Axle Day Cab Truck - Cummins 500HP, 18 Speed Manual

Price Drop

$101,500 USD

**MAKE AN OFFER!** Used Peterbilt 367SFA Daycab for sale. Features: Cruise Control, Power Mirrors, Air Ride Seats, Heated Mirrors, Dual Exhaust, Double Frame, Stainless Sun Visor, Dual...

Condition	Used
Usage	19,528 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	500 HP
Engine Model	Cummins ISX15
Drivetrain	8x4
Transmission	18 Speed Manual
Suspension	Neway
Rear Axle	Tri Axle
Rear End	66,000 lb 4.30 ratio
Stock Number	22P348
MLS Number	12493240
Category	Day Cab Semi Trucks
Last Updated	8/9/2025
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

11 0

2019 Kenworth T880 Tri Axle Dump Truck - Paccar 485HP, 18 Speed Manual, 17.5' Dump

Price Drop

$131,500 USD

**MAKE AN OFFER!** Used Kenworth T880 Tri Axle Dump Truck for sale. Features: Double Frame, Dual Power Steering Boxes, Full Locking Rears, 18,740 lb. Watson Chalins Non-steerable Lift Axle,...

Condition	Used
Usage	11,266 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Beau-Roc
Bed Length	17.5
Horse Power	485 HP
Engine Model	Paccar MX-13
Drivetrain	8x4
Transmission	18 Speed Manual
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	64,660 lb 4.10 ratio
Stock Number	23P050
MLS Number	12260025
Category	Dump Trucks
Last Updated	8/9/2025
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

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3 0

2016 Kenworth T800 Tri Axle Dump Truck - Cummins 600HP, 18 Speed Ultrashift Amt, 18' Dump

Price Drop

$94,500 USD

**MAKE AN OFFER!** Used Kenworth T800 Tri Axle Dump Truck for sale. Features: Dual Exhaust, Dual Lockers, Navigation, 18,300 lb. Non-steerable Lift Axle, Heavy Single Frame, Body Liner, and...

Condition	Used
Usage	18,261 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	18 ft.
Horse Power	600 HP
Engine Model	Cummins ISX15
Drivetrain	8x4
Transmission	18 Speed Ultrashift Automated
Suspension	AG 460
Rear Axle	Tri Axle
Rear End	64,300 lb 3.91 ratio
Stock Number	113618P
MLS Number	12172845
Category	Dump Trucks
Last Updated	8/9/2025
Location	Swedesboro, NJ, US
Sold By	Coopersburg & Liberty Kenworth

11 0

2006 Mack CL733 Tri Axle Day Cab Truck - Cummins 565HP, 18 Speed M Drive Manual

Price Drop

$61,500 USD

**MAKE AN OFFER!** Used Mack CL733 Tri Axle Daycab for sale. Features: Full Double Frame, 20,000 lb. Non-steerable Lift Axle, Dual Exhaust, 2-line Hydraulic System, Aluminum Headache Rack...

Condition	Used
Usage	370,374 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	565 HP
Engine Model	Cummins ISX
Drivetrain	8x4
Transmission	18 Speed mDRIVE Manual
Suspension	Hendrickson PRIMAAX
Rear Axle	Tri Axle
Rear End	46,000 lb
Stock Number	23P001
MLS Number	11404436
Category	Day Cab Semi Trucks
Last Updated	8/9/2025
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth