Used 18 Speed Tri Axle Trucks For Sale in United States

(855) 807-___ SHOW
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2020 Peterbilt 567 Tri Axle Day Cab Truck - Cummins 565HP, 18 Speed Manual

Recently Updated

$129,500 USD

2020 PETERBILT 567 HEAVY HAUL,565 HP CUMMINS-X15 POWER, DOUBLE FRAMED, 18SPD MAN-TRANS, FULL LOCKERS, 23,000 PUSHER AXLE, 46K REARS, DUAL EXHAUST, AIR TRAC SUSPENSION, LONG TRACK AIR SLIDE...

Condition	Used
Usage	399,063 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	18 Speed Manual
Suspension	Air Trac
Rear Axle	Tri Axle
Rear End	69,000 lb 4.10 ratio
Stock Number	7160
MLS Number	14045806
Category	Day Cab Semi Trucks
Last Updated	2/3/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(844) 481-___ SHOW
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2016 Kenworth T800 Tri Axle Day Cab Truck - Cummins 550HP, 18 Speed Manual

Recently Updated

Contact for price

********************sold****************,

Condition	Used
Usage	205,036 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	550 HP
Engine Model	Cummins ISX15
Drivetrain	8x4
Transmission	18 Speed Manual
Suspension	8 Bag Air Ride
Rear Axle	Tri Axle
Rear End	46,000 lb
MLS Number	13916493
Category	Day Cab Semi Trucks
Last Updated	2/3/2026
Location	Jackson, TN, US
Sold By	Snider Equipment

(724) 243-___ SHOW
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2020 Kenworth W990 Tri Axle Dump Truck - Paccar 510HP, 18 Speed Manual, 18.5' Dump

Newly Listed

$119,900 USD

990 Fans!!! This one is for you, Slider Tarp, MAC Aluminum Bed, PM and DOT'D - Fresh Polish, Virgin Tires,

Condition	Used
Usage	364,000 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	MAC Trailer
Bed Length	18.5
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	10x6
Transmission	18 Speed Manual
Suspension	Hendrickson PRIMAAX
Rear Axle	Tri Axle
Rear End	46,000 lb 3.91 ratio
Stock Number	252125
MLS Number	14120255
Category	Dump Trucks
Last Updated	1/31/2026
Location	Smithfield, PA, US
Sold By	Hunter Truck

(833) 904-___ SHOW
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2015 Peterbilt 389 Tri Axle Sleeper Semi Truck - Mid Roof Sleeper, Cummins 500HP, 18 Speed Manual

Newly Listed

$77,500 USD

2015 Peterbilt 389 Sleeper, 500hp Cummins ISX-15, 18spd Manual Transmission, 300k Mi, Air ride Suspension, Lift Axle (Mid), 282in Wheelbase, Nationwide Delivery Available

Condition	Used
Usage	300,387 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins ISX15
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	59,220 lb
Stock Number	8587
MLS Number	14120021
Category	Sleeper Semi Trucks
Last Updated	1/31/2026
Location	Sawyer, KS, US
Sold By	The Wrays, LLC

(833) 538-___ SHOW
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2019 Peterbilt 389 Tri Axle Sleeper Semi Truck - Flat Top Sleeper, Paccar 510HP, 18 Speed Manual

Recently Updated

$69,600 USD

702000 Miles, Engine: PACCAR MX-13, 510 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 8x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Wheels: Aluminum, Wheel Base:...

Condition	Used
Usage	702,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	610741
MLS Number	14094779
Category	Sleeper Semi Trucks
Last Updated	2/3/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales

(844) 962-___ SHOW
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2020 Peterbilt 567 Tri Axle Dump Truck - Cummins 505HP, 18 Speed Manual, 17' Dump

Price Drop $159,000 USD

DOT'd. 20,000 lift axle, HS-HD 17'6"x60"x60",

Condition	Used
Usage	257,149 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	17 ft.
Horse Power	505 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	18 Speed Manual
Suspension	Leaf Springs
Rear Axle	Tri Axle
Rear End	46,000 lb
Stock Number	78704
MLS Number	13870435
Category	Dump Trucks
Last Updated	1/31/2026
Location	Manchester, NH, US
Sold By	Ballard Truck Center

(855) 489-___ SHOW
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2020 Kenworth W990 Tri Axle Sleeper Semi Truck - 36" Flat Top Sleeper, Cummins 565HP, 18 Speed Manual

Recently Updated

$169,000 USD

Price includes 6 month/50k Mile Premium 2000 Warranty (Engine, Turbo, Injectors, Aftertreatment), 565hp Cummins, 18 speed Manual Transmission, 20K Front Axle, 46K Rears, Full Lockers, 18.5K...

Condition	Used
Usage	201,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15P
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	36"
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	66,000 lb 4.10 ratio
Stock Number	2083
MLS Number	13633782
Category	Sleeper Semi Trucks
Last Updated	1/31/2026
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

(844) 435-___ SHOW
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2019 Western Star 4900EX Tri Axle Sleeper Semi Truck - Detroit

Recently Updated

$114,900 USD

Manual 18 speed transmission with 560HP DD16 engine and 46,000 rears

Condition	Used
Usage	378,688 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD16
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	54"
Rear Axle	Tri Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	347449
MLS Number	13556811
Category	Sleeper Semi Trucks
Last Updated	1/31/2026
Location	Saco, ME, US
Sold By	Allegiance Trucks

(844) 955-___ SHOW
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2023 Peterbilt 389 Tri Axle Day Cab Truck - Cummins 605HP, 18 Speed Manual

Newly Listed

$189,750 USD

Only 188,000 Original Miles ~ Cummins X15 ~ 605 HP ~ 18 Speed ~ 20k Front / 20k Pusher / 46k Rears ~ Full Lockers ~ Wet Kit ~ Full Double Frame ~ All Aluminum Wheels ~ Only One Owner ~...

Condition	Used
Usage	188,000 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	605 HP
Engine Model	Cummins X15
Transmission	18 Speed Manual
Rear Axle	Tri Axle
Rear End	46,000 lb
Stock Number	872855
MLS Number	14118178
Category	Day Cab Semi Trucks
Last Updated	1/30/2026
Location	Olive Branch, MS, US
Sold By	Truck Market

(833) 904-___ SHOW
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2008 Peterbilt 388 Tri Axle Day Cab Truck - Cummins 500HP, 18 Speed Manual

Newly Listed

$74,500 USD

2008 Peterbilt 388 Day cab, 500hp Cummins ISX15, 18spd Manual, Full Lockers, Lift Axle, 304k Mi, Air Trac susp., High Pressure Pump -FMC Q1614HP Bean Pump - 5000 psi, 88.5 gpm,. Nationwide...

Condition	Used
Usage	304,039 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	500 HP
Engine Model	Cummins ISX15
Drivetrain	8x4
Transmission	18 Speed Manual
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	46,000 lb 3.91 ratio
Stock Number	0736
MLS Number	14118157
Category	Day Cab Semi Trucks
Last Updated	1/30/2026
Location	Sawyer, KS, US
Sold By	The Wrays, LLC

(833) 637-___ SHOW
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2012 Western Star 4900 Tri Axle Sleeper Semi Truck - 28" Flat Top Sleeper, Detroit 505HP, 18 Speed Manual

Price Drop $48,500 USD

2012 Western Star 4900SA, 246,500 miles, DD15-505 hp, Eaton RTLO18918B 18 speed, 4.30 ratio, 244 wb, 14,320 front, 46,000 rears, 12,000 pusher, 180 Gal Fuel cap, Nice heavy truck in great...

Condition	Used
Usage	246,245 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	28"
Suspension	AirLiner
Rear Axle	Tri Axle
Rear End	46,000 lb 4.30 ratio
MLS Number	13542225
Category	Sleeper Semi Trucks
Last Updated	1/30/2026
Location	WINGER, MN, US
Sold By	Lucken Trucks and Parts

(833) 637-___ SHOW
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2012 Western Star 4900 Tri Axle Sleeper Semi Truck - 36" Flat Top Sleeper, Detroit 560HP, 18 Speed Manual

Recently Updated

$59,900 USD

2012 Western Star 4900, only 15,370 miles, 7816 hrs, DD15 Detroit 560 hp, 18 speed, airliner susp, 20K pusher, 4.10 ratio, 245 wb, headache rack, set up for lowboy,,

Condition	Used
Usage	7,816 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	560 HP
Engine Model	Detroit DD15
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	36"
Suspension	AirLiner
Rear Axle	Tri Axle
Rear End	46,000 lb 4.10 ratio
MLS Number	13791530
Category	Sleeper Semi Trucks
Last Updated	1/30/2026
Location	WINGER, MN, US
Sold By	Lucken Trucks and Parts

(833) 298-___ SHOW
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2003 Kenworth T800 Wrecker Tow Truck - Jerr-Dan Wrecker Body, Used, Arizona, Manual

Newly Listed

$282,499 USD

Used Kenworth T800 Jerr-Dan 60 ton wrecker tow truck for sale at Midco Sales in Chandler, AZ. Kenworth T800, CAT C-15 engine, 475 HP, Eaton Fuller RTL018918B 18 Speed Transmission,...

Condition	Used
Usage	304,700 Miles
Duty Class	Heavy Duty Wrecker Tow Truck
Upfit Type	Wrecker Body
Upfit Make	Jerr-Dan
Horse Power	475 HP
Engine Model	Caterpillar C15
Transmission	18 Speed Manual
Suspension	Air Ride
Rear Axle	Tri Axle
Winch	Yes
Stock Number	T08689
MLS Number	14114627
Category	Wrecker Tow Trucks
Last Updated	1/28/2026
Location	Chandler, AZ, US
Sold By	Midco Sales

(855) 980-___ SHOW
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2012 Freightliner Cascadia 125 Tri Axle Cab & Chassis Truck - Detroit, 560HP, 18 Speed Manual

Newly Listed

$34,500 USD

2012 FREIGHTLINER CASCADIA 125, DETROIT DD15 560HP, RTLO-18918B 18 SPEED TRANMISSION, MERITOR MFS-13-143A STEER AXLE, MERITOR MT-40-14XP 3.42 40,000LBS, HENDRICKSON FF1 13,200LBS STEERABLE...

Condition	Used
Usage	466,463 Miles
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	560 HP
Engine Model	Detroit DD15
Drivetrain	8x4
Transmission	18 Speed Manual
Suspension	AirLiner
Rear Axle	Tri Axle
Rear End	40,000 lb 3.42 ratio
Stock Number	BK4392-FL
MLS Number	14114215
Category	Cab & Chassis Trucks
Last Updated	1/28/2026
Location	OGDEN, UT, US
Sold By	Rocky Mountain Truck Parts

(844) 624-___ SHOW
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2022 Peterbilt 567 Tri Axle Sleeper Semi Truck - 80" Mid Roof Sleeper, Cummins 565HP, 18 Speed Automatic

Price Drop $134,950 USD

For Sale: 2022 Peterbilt 567 Tri-Axle Sleeper – BIG HP, LOW MILES!, ONLY 291k MILES! Equipped with a 565hp Cummins X15, Eaton 18-Speed Automatic Transmission, 80” Mid Roof Sleeper, 48” Air...

Condition	Used
Usage	285,652 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	8x6
Transmission	18 Speed Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	57,999 lb 3.91 ratio
Stock Number	CO10655
MLS Number	14045803
Category	Sleeper Semi Trucks
Last Updated	1/29/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(833) 796-___ SHOW
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2016 Kenworth W900L Tri Axle Sleeper Semi Truck - Raised Roof Sleeper, Caterpillar 550HP, 18 Speed Manual

Recently Updated

$119,900 USD

One owner Glider kit. All build paperwork on hand. 727,508 original miles, CAT C-15, 6NZ 550 rating on tag, last engine overhaul at Western States CAT 6-30-2022 @ 434,121 miles. 293,387 on...

Condition	Used
Usage	727,508 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	550 HP
Engine Model	Caterpillar C15
Emission Rating	USA Tier 3
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Raised Roof Sleeper
Suspension	Hendrickson HMX460
Rear Axle	Tri Axle
Rear End	66,000 lb 3.73 ratio
Stock Number	111583
MLS Number	14018948
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Spokane Valley, WA, US
Sold By	Class 8 Trucks

(844) 624-___ SHOW
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2022 Peterbilt 567 Tri Axle Sleeper Semi Truck - 80" Mid Roof Sleeper, Cummins 565HP, 18 Speed Automatic

Price Drop $134,950 USD

For Sale: 2022 Peterbilt 567 Tri-Axle Sleeper – BIG HP, LOW MILES!, ONLY 291k MILES! Equipped with a 565hp Cummins X15, Eaton 18-Speed Automatic Transmission, 80” Mid Roof Sleeper, 48” Air...

Condition	Used
Usage	16,325 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	8x6
Transmission	18 Speed Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	57,999 lb 3.91 ratio
Stock Number	CO10655
MLS Number	13775786
Category	Sleeper Semi Trucks
Last Updated	1/29/2026
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

(844) 435-___ SHOW
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2015 Peterbilt 567 Tri Axle Sleeper Semi Truck - Cummins 560HP

Recently Updated

$99,900 USD

365000 Miles, Engine: CUMMINS ISX, 605 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Air Trac Suspension, Sleeper Type: Mid Roof Sleeper, Sleeper Size: 72, Wheel Base: 264, Tri Rear...

Condition	Used
Usage	365,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	605 HP
Engine Model	Cummins ISX
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Trac
Rear Axle	Tri Axle
Rear End	69,000 lb 4.10 ratio
Stock Number	335233
MLS Number	12867208
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Manchester, NH, US
Sold By	Allegiance Trucks

(844) 883-___ SHOW
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2019 Kenworth T800 Extended Day Cab Tandem X15 565HP

Recently Updated

$117,500 USD

2019 Kenworth T800 Extended Day Cab Tandem X15 565HP - NO TARIFFS, Stock #:52981, Exterior Colour: Green, Engine:Cummins X15, Horsepower:565, Transmission:18 Spd, Front Axle:20,000,...

Condition	Used
Horse Power	565 HP
Engine Model	Cummins X15
Transmission	18 Speed Manual
Suspension	Neway
Rear Axle	Tri Axle
Rear End	46,000 lb
Stock Number	52981
MLS Number	14020788
Category	Day Cab Semi Trucks
Last Updated	1/28/2026
Location	Blaine, WA, US
Sold By	International Machinery

(833) 478-___ SHOW
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2021 Western Star 4900 Sleeper Semi Truck

$120,495 USD

2021 Western Star 4900 – Heavy Haul Powerhouse - DD16 600HP w/ EW4 Warranty Stock #14661 Hard-to-findWestern Star 4900 Heavy Haulpowered by aDetroit DD16 putting out 600HPand backed by...

Warranty

Condition	Used
Usage	398,479 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	600 HP
Engine Model	Detroit DD16
Drivetrain	8x4
Transmission	18 Speed Autoshift Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	14661
MLS Number	13527022
Category	Sleeper Semi Trucks
Last Updated	1/27/2026
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

(855) 804-___ SHOW
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2020 Peterbilt 567 Tri Axle Dump Truck - Cummins 485HP, 18 Speed Manual, 18' Dump

$164,900 USD

2020 Peterbilt 567 --- Tri Axle, X-15 Cummins 485 HP, Eaton-Fuller Manual 18 Speed, 4.10 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 244" Wheelbase, 22' 8" Bridge, Walking Beam, Double...

Condition	Used
Usage	211,186 Miles
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	664280
MLS Number	13716798
Category	Dump Trucks
Last Updated	1/25/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(855) 807-___ SHOW
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2021 Peterbilt 567 Tri Axle Sleeper Semi Truck - 70" Mid Roof Sleeper, Cummins 500HP, 18 Speed Manual

$114,500 USD

FLEET MAINTAINED, 2021 PETERBILT 567 HEAVY HAUL, CUMMINS X15, 500HP,18 SPEED TRANSMISSION, 3.9/5.31 RATIO, DOUBLE FRAMED, FULL FENDERS, SLIDIDNG FIFTH WHEEL, NEW TIRES, ALUMINUM RIMS, 245...

Condition	Used
Usage	360,128 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	66,000 lb
Stock Number	7180
MLS Number	14094513
Category	Sleeper Semi Trucks
Last Updated	1/24/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(844) 305-___ SHOW
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2023 Kenworth T880 5040 Gallon Water Truck - Paccar 510HP, 18 Speed Manual

$109,900 USD

Triaxle, 5,040 Gallon Dragon Water Tank, Roper Hydraulic Pump, Thermaflow SS Stainless Steel Hydraulic System, MX13 Paccar 510 HP, 18 Speed, 3.91 Ratio, 3 Stage Engine Brake, Air Ride,...

Condition	Used
Usage	8,006 Hours
Duty Class	Heavy Duty Water Truck
Upfit Make	Dragon
Horse Power	510 HP
Engine Model	Paccar MX-13
Transmission	18 Speed Manual
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	3.91 ratio
Capacity	5040 Gallons
Stock Number	PF251992
MLS Number	14107236
Category	Water Trucks
Last Updated	1/23/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(866) 695-___ SHOW
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2015 Mack Pinnacle CHU613 Tri Axle Sleeper Semi Truck - 505HP

$42,500 USD

604247 Miles, Engine: MACK, 505 HP, Fuel Type: Diesel, Air Ride Suspension, Wheel Base: 280, Tri Rear Axles, Rear Axle Weight: 40000 lb

Condition	Used
Usage	604,247 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Transmission	18 Speed
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	MCOPT2013019211
MLS Number	13619927
Category	Sleeper Semi Trucks
Last Updated	1/23/2026
Location	Dallas, TX, US
Sold By	MCO Truck and Equipment