18 Speed Tri Axle Sleeper Semi Trucks For Sale

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67 3

2014 Kenworth W900L Tri Axle Sleeper Semi Truck - 86" Raised Roof Sleeper, Cummins 550HP, 18 Speed Manual

$119,000 USD

1136935 Miles, Engine: CUMMINS ISX15, 550 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 8x4, Overdrive, AG 460 Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 86,...

Condition	Used
Usage	1,136,935 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	550 HP
Engine Model	Cummins ISX15
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	86"
Suspension	AG 460
Rear Axle	Tri Axle
Rear End	73,000 lb 3.91 ratio
Stock Number	C5340
MLS Number	13707607
Category	Sleeper Semi Trucks
Last Updated	9/18/2025
Location	West Sacramento, CA, US
Sold By	DeWald Equipment

(855) 489-___ SHOW
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43 0

2020 Kenworth W990 Tri Axle Sleeper Semi Truck - 36" Flat Top Sleeper, Cummins 565HP, 18 Speed Manual

$169,000 USD

565hp Cummins, 18 speed Manual Transmission, 20K Front Axle, 46K Rears, Full Lockers, 18.5K Lift Axle, Headache Rack, Double Frame, Dual Exhaust, Small Flat Top Sleeper,

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	9/18/2025
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

(484) 544-___ SHOW
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15 0

2025 Peterbilt 589 Tri Axle Sleeper Semi Truck - 44" Flat Top Sleeper, Cummins 605HP, 18 Speed Endurant Amt

$258,900 USD

Beautiful Heavy Spec Short sleeper. 605 Cummins, 18 speed automated Trans. 52K Neway. Ready to work

Condition	New
Usage	1,660 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	605 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Endurant Automated
Sleeper Type	Flat Top Sleeper
Sleeper Size	44"
Suspension	Neway
Rear Axle	Tri Axle
Rear End	52,000 lb
Stock Number	277692
MLS Number	13531254
Category	Sleeper Semi Trucks
Last Updated	9/17/2025
Location	Allentown, PA, US
Sold By	Hunter Truck

(724) 648-___ SHOW
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16 0

2024 Peterbilt 567 Tri Axle Sleeper Semi Truck - 44" Flat Top Sleeper, Cummins 605HP, 18 Speed Ultrashift Manual

$225,000 USD

NEW 2024 44" LOW ROOF SLEEPER, LEGENDARY BLACK 567 PETERBILT. POWERED WITH X15 ENGINE AT 605HP, 1850 LBS OF TORQUE, EATON RTLO18918B 18 SPD TRANSMISSION. FRONT AXLE 18,740 LBS, REAR AXLE...

Condition	New
Usage	41 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	605 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Ultrashift Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	44"
Suspension	Hendrickson HMX460
Rear Axle	Tri Axle
Rear End	46,000 lb 3.73 ratio
Stock Number	263121
MLS Number	12478963
Category	Sleeper Semi Trucks
Last Updated	9/17/2025
Location	Butler, PA, US
Sold By	Hunter Truck

(855) 981-___ SHOW
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13 0

2014 Kenworth W900 Tri Axle Sleeper Semi Truck - Flat Top Sleeper, Cummins 550HP, 18 Speed Manual

$74,900 USD

2014 Kenworth W900 Specs:, -Mileage: 870,396, -Drive: 8x4, -HP: 550, -Engine: Cummins x15, Transmission: Eaton Manual 18 Speed, -Suspension: Air-ride, -Wheels: All Aluminum, -Tires: 11R24.5...

Condition	Used
Usage	870,396 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	550 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	23,000 lb
Stock Number	TNHC35498LAK Web
MLS Number	13652106
Category	Sleeper Semi Trucks
Last Updated	9/16/2025
Location	Lakeland, FL, US
Sold By	Nationwide Haul

(855) 981-___ SHOW
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13 0

2014 Kenworth W900 Tri Axle Sleeper Semi Truck - Flat Top Sleeper, Cummins 550HP, 18 Speed Manual

$74,900 USD

2014 Kenworth W900 Specs:, -Mileage: 870,396, -Drive: 8x4, -HP: 550, -Engine: Cummins x15, Transmission: Eaton Manual 18 Speed, -Suspension: Air-ride, -Wheels: All Aluminum, -Tires: 11R24.5...

Condition	Used
Usage	870,396 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	550 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	23,000 lb
Stock Number	TNHC35498LAK
MLS Number	13652104
Category	Sleeper Semi Trucks
Last Updated	9/16/2025
Location	Lakeland, FL, US
Sold By	Nationwide Haul

(866) 695-___ SHOW
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17 0

2015 Mack Pinnacle CHU613 Tri Axle Sleeper Semi Truck - 505HP

Contact for price

604247 Miles, Engine: MACK, 505 HP, Fuel Type: Diesel, Air Ride Suspension, 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
Stock Number	MCOPT2013019211
MLS Number	13619927
Category	Sleeper Semi Trucks
Last Updated	9/13/2025
Location	Dallas, TX, US
Sold By	MCO Truck and Equipment

(833) 904-___ SHOW
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46 1

2016 Western Star 4900 Tri Axle Sleeper Semi Truck - 42" Flat Top Sleeper, Detroit 561HP, 18 Speed Manual

$77,500 USD

2016 Western Star 4900, Reman Detroit DD16 in May 2024, 18 speed with 2 speed rears, Full double frame, Full locking rears, 20k front with dual boxes, 20k pusher, 46k rears, Nationwide...

Condition	Used
Usage	537,788 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	561 HP
Engine Model	Detroit DD16
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	42"
Suspension	Neway
Rear Axle	Tri Axle
Rear End	66,000 lb 4.10 ratio
Stock Number	8326
MLS Number	13777303
Category	Sleeper Semi Trucks
Last Updated	8/23/2025
Location	Sawyer, KS, US
Sold By	The Wrays, LLC

(855) 980-___ SHOW
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9 0

2007 Peterbilt 379 Tri Axle Sleeper Semi Truck - Mid Roof Sleeper, Caterpillar 550HP, 18 Speed Manual

$65,000 USD

2007 PETERBILT 379 SLEEPER TRUCK, CAT C15 LOW MILES ON OVERHAUL, 18 SPEED TRANSMISSION, WET KIT, LIFT AXLE, HOOD GUARD,

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	550 HP
Engine Model	Caterpillar C15
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	46,000 lb
Stock Number	671613-PBC
MLS Number	13510195
Category	Sleeper Semi Trucks
Last Updated	8/19/2025
Location	OGDEN, UT, US
Sold By	Rocky Mountain Truck Parts

(866) 695-___ SHOW
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15 0

2012 Kenworth W900 Tri Axle Sleeper Semi Truck - Cummins 550HP, 18 Speed Manual

$105,000 USD

444989 Miles, 18781 Hours, Engine: CUMMINS, 550 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Air Ride Suspension, Tires: 11R24.5, Wheels: All Aluminum, Tri Rear Axles, Rear Axle...

Condition	Used
Usage	18,781 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	550 HP
Transmission	18 Speed Manual
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	40,000 lb 3.58 ratio
Stock Number	MCO330882
MLS Number	13425770
Category	Sleeper Semi Trucks
Last Updated	8/19/2025
Location	Dallas, TX, US
Sold By	MCO Truck and Equipment

(844) 883-___ SHOW
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17 1

2020 Peterbilt 567 Tri Drive with 36in Sleeper X15 500HP 18 Spd

$87,500 USD

2020 Peterbilt 567 Tri Drive with 36in Sleeper X15 500HP 18 Spd Stock #:5283, Exterior Colour:White with Teal Fenders, Engine:Cummins X15, Horsepower:500, Transmission:18 Spd,...

Condition	Used
Usage	518,000 Miles
Horse Power	500 HP
Engine Model	Cummins X15
Transmission	18 Speed Manual
Sleeper Size	36"
Suspension	Air Trac
Rear Axle	Tri Axle
Rear End	69,000 lb 3.91 ratio
Stock Number	5283
MLS Number	13710663
Category	Sleeper Semi Trucks
Last Updated	8/7/2025
Location	Blaine, WA, US
Sold By	International Machinery

(833) 637-___ SHOW
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48 1

2008 Peterbilt 389 Sleeper Semi Truck - 32" Flat Top Sleeper, Cummins 550HP, 18 Speed Manual

$74,900 USD

2008 Peterbilt 389 tri axle, 527,158 miles, 22,742 hrs, sliding hitch, 62,000 GVW, Pete air leaf susp, steerable pusher, ISX15 550 hp, 18 speed Eaton, 286 wb, 3.70 ratio, 200 gal fuel cap.,...

Condition	Used
Usage	22,742 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	550 HP
Engine Model	Cummins ISX15
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	32"
Suspension	Pete Low Air Leaf
Rear Axle	Tri Axle
Rear End	38,000 lb 3.70 ratio
MLS Number	13703459
Category	Sleeper Semi Trucks
Last Updated	7/30/2025
Location	WINGER, MN, US
Sold By	Lucken Trucks and Parts

(844) 883-___ SHOW
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1 0

2016 Peterbilt 567 Tri Drive with 36in Sleeper ISX 550HP 18 Spd

$69,500 USD

2016 Peterbilt 567 Tri Drive with 36in Sleeper ISX 550HP 18 Spd, Stock #:5281, Exterior Colour:White with Black Fenders, Engine:Cummins ISX, Horsepower:550, Transmission:18 Spd,...

Condition	Used
Usage	559,000 Miles
Horse Power	550 HP
Engine Model	Cummins ISX
Transmission	18 Speed Manual
Sleeper Size	36"
Suspension	Air Trac
Rear Axle	Tri Axle
Rear End	69,000 lb 4.30 ratio
Stock Number	5281
MLS Number	13696824
Category	Sleeper Semi Trucks
Last Updated	9/8/2025
Location	Blaine, WA, US
Sold By	International Machinery

(833) 637-___ SHOW
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47 2

2012 Western Star 4900 Tri Axle Sleeper Semi Truck - 28" Flat Top Sleeper, Detroit 505HP, 18 Speed Manual

$49,900 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	6/25/2025
Location	WINGER, MN, US
Sold By	Lucken Trucks and Parts

(833) 904-___ SHOW
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38 1

2015 Western Star 4900 Tri Axle Sleeper Semi Truck - Flat Top Sleeper, Detroit 500HP, 18 Speed Manual

$69,500 USD

2015 Western Star Sleeper, 500hp Detroit DD16, 18spd Manual, 30,966 Mi, Air ride Suspension, Nationwide Delivery Available

Condition	Used
Usage	30,966 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Detroit DD16
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	57,020 lb
Stock Number	6602
MLS Number	13616994
Category	Sleeper Semi Trucks
Last Updated	5/31/2025
Location	Sawyer, KS, US
Sold By	The Wrays, LLC

(844) 435-___ SHOW
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4 0

2015 Peterbilt 567 Tri Axle Sleeper Semi Truck - Cummins 560HP

$99,900 USD

365000 Miles, Engine: CUMMINS ISX, 560 HP, Fuel Type: Diesel, Air Trac Suspension, Sleeper Size: 72, Wheel Base: 264, Tri Rear Axles, Front Axle Weight: 18000 lb, Rear Axle Weight: 69000 lb

Condition	Used
Usage	365,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	560 HP
Engine Model	Cummins ISX
Transmission	18 Speed
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	3/18/2025
Location	Manchester, NH, US
Sold By	Allegiance Trucks

(844) 435-___ SHOW
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18 0

2016 Kenworth T800 Tri Axle Sleeper Semi Truck - Cummins 600HP

$129,900 USD

351004 Miles, Engine: CUMMINS, 600 HP, Fuel Type: Diesel, Air Ride Suspension, Sleeper Size: 72, Wheel Base: 284, Tri Rear Axles, Front Axle Weight: 20000 lb, Rear Axle Weight: 52000 lb

Condition	Used
Usage	351,004 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	600 HP
Transmission	18 Speed
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	52,000 lb 4.78 ratio
Stock Number	340079
MLS Number	13129782
Category	Sleeper Semi Trucks
Last Updated	1/21/2025
Location	Manchester, NH, US
Sold By	Allegiance Trucks

(833) 541-___ SHOW
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9 0

2007 Peterbilt 379 Sleeper Semi Truck

$34,995 USD

Heavy hual truck,HEAVY SPEC TRUCK! C15 625HP W/ ENGINE RETARDER, RTLO22918B, TRI-DRIVE WITH LOCKERS, FULL SIZE 22.5 RUBBER APPX 90%. ALLUMINUM WHEELS, ENCLOSED HEADACHE RACK, COZAD RAMPS....

Condition	Used
Usage	600 Miles
Horse Power	625 HP
Engine Model	Caterpillar C15
Drivetrain	6x2
Transmission	18 Speed Manual
Suspension	Air Trac
Rear Axle	Tri Axle
Rear End	70,000 lb
MLS Number	9061394
Category	Sleeper Semi Trucks
Last Updated	4/5/2017
Location	Ucon, ID, US
Sold By	Holst Truck Parts