Used 18 Speed Tri Axle Sleeper Semi Trucks For Sale

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2000 Peterbilt 379 Tri Axle Sleeper Semi Truck - Mid Roof Sleeper, Caterpillar 550HP, 18 Speed Manual

$79,900 USD

550 Cat with Overhaul, Eaton Fuller 18 speed, 3.55 rear end ratio, dual 140 gallon tanks, dual straight exhaust, dual breathers, stainless visor, pusher axle, good 11R24.5 tires on aluminum...

Condition	Used
Usage	1,860,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	550 HP
Engine Model	Caterpillar 3406E
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	3.55 ratio
Stock Number	1704
MLS Number	14000056
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	New Salem, ND, US
Sold By	Pedigree Truck and Trailer Sales, Inc.

(844) 883-___ SHOW
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2019 Peterbilt 367 Tri Drive Tractor with 48in Sleeper Cab

$99,500 USD

2019 Peterbilt 367 Tri Drive Tractor with 48in Sleeper Cab- NO TARIFFS Stock #:5291, Exterior Colour:White with Striping, Engine:Cummins X15, Horsepower:605, Transmission:18 Spd,...

Condition	Used
Usage	361,000 Miles
Horse Power	603 HP
Engine Model	Cummins X15
Transmission	18 Speed Manual
Sleeper Size	48"
Suspension	Air Trac
Rear Axle	Tri Axle
Rear End	69,000 lb 4.30 ratio
Stock Number	5291
MLS Number	13950483
Category	Sleeper Semi Trucks
Last Updated	11/14/2025
Location	Blaine, WA, US
Sold By	International Machinery

(844) 956-___ SHOW
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2014 Kenworth W900L Tri Axle Sleeper Semi Truck - 86" Raised Roof Sleeper, Cummins 550HP, 18 Speed Manual

$98,750 USD

360 Degree Camera System Installed New Couch Base PDI Tuner w/ PDI Intake Installed, Double Framed from Cab to End of Frame, New Espar Bunk Heater, Studio Sleeper, Omni Tracs Installed,

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	C5342
MLS Number	13707607
Category	Sleeper Semi Trucks
Last Updated	1/21/2026
Location	West Sacramento, CA, US
Sold By	DeWald Equipment

(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

$59,900 USD

2012 Western Star 4900, only 24,700 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	10/18/2025
Location	WINGER, MN, US
Sold By	Lucken Trucks and Parts

(855) 980-___ SHOW
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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

(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

$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) 541-___ SHOW
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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

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

Newly Listed

$70,000 USD

700000 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, Tri Rear Axles

Condition	Used
Usage	700,000 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	1/17/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales