18 Speed Tri Axle Sleeper Semi Trucks For Sale

(855) 605-___ SHOW
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2012 Western Star 4900 Tri Axle Sleeper Semi Truck - Flat Top Sleeper, Detroit 500HP, 18 Speed Manual

$64,500 USD

2012 Western Star 4900SA, Only 50,000 original miles, 6600 HOURS on a 500 HP Detroit DD15, 18 Speed Overdrive transmission with 4.30 gears, 46k rear ends with full lockers. 16K front axle...

Condition	Used
Usage	6,625 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Detroit DD15
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	59,200 lb 4.30 ratio
Stock Number	BTS0240
MLS Number	14229707
Category	Sleeper Semi Trucks
Last Updated	3/18/2026
Location	Great Falls, MT, US
Sold By	Bouma Truck Sales

(833) 801-___ SHOW
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2015 Western Star 4900 Tri Axle Sleeper Semi Truck - 36" Flat Top Sleeper, Detroit 505HP, 18 Speed Ultrashift Plus Amt

$35,000 USD

HEAVY DUTY TRUCK! RUNS EXCELLENT! STEERABLE AIR LIFT AXLE, THICK FRAME, FULL LOCKING REARS, AIR SEAT, POWER WINDOWS, DUAL EXHAUST, PTO! *18 SPEED AUTOMATIC TRANSMISSION!!,

Condition	Used
Usage	347,874 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15TC
Drivetrain	8x4
Transmission	18 Speed Ultrashift Plus Automated
Sleeper Type	Flat Top Sleeper
Sleeper Size	36"
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	15DET347TRIWS
MLS Number	14147507
Category	Sleeper Semi Trucks
Last Updated	3/18/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(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 4900, 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	3/17/2026
Location	WINGER, MN, US
Sold By	Lucken Trucks and Parts

(844) 955-___ SHOW
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2022 Kenworth W900 Tri Axle Sleeper Semi Truck - Raised Roof Sleeper, Cummins 565HP, 18 Speed Manual

$169,750 USD

331k Original Miles ~ Cummins X15 ~ 565 HP ~ 18 Speed ~ 20k Front / 22,500 Pusher / 46k Rears ~ Full Double Frame ~ Wet Kit ~ All Aluminum Wheels ~ Disc Brakes ~ Financing Available with...

Condition	Used
Usage	331,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Transmission	18 Speed Manual
Sleeper Type	Raised Roof Sleeper
Rear Axle	Tri Axle
Rear End	46,000 lb 3.91 ratio
Stock Number	121960
MLS Number	14230223
Category	Sleeper Semi Trucks
Last Updated	3/13/2026
Location	Olive Branch, MS, US
Sold By	Truck Market

(724) 648-___ SHOW
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2027 Peterbilt 567 Tri Axle Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 565HP, 18 Speed Endurant Amt

$236,000 USD

NEW 2027 PETERBILT 567 RADIANT RED SLEEPER! 72" HIGH RISE SLEEPER, POWERED WITH CUMMINS X15 ENGINE AND 18SPD AUTOMATED TRANSMISSION. 280" WHEELBASE, 3.36 RATIO, PETERBILT LOW AIR LEAF...

Condition	New
Usage	11 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Transmission	18 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Pete Low Air Leaf
Rear Axle	Tri Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	286150
MLS Number	14229958
Category	Sleeper Semi Trucks
Last Updated	3/7/2026
Location	Butler, PA, US
Sold By	Hunter Truck

(866) 530-___ SHOW
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2015 Western Star 4900 Tri Axle Sleeper Semi Truck - 28" Flat Top Sleeper, Detroit 600HP, 18 Speed Manual

$68,450 USD

3W EQUIPMENT INVENTORY CHANGING DAILY - CALL AHEAD!! LOW RATE FINANCING FOR BUSINESS AND INDIVIDUALS! DON'T MISS THIS ONE!!! SUPER LOW MILEAGE AND HOURS!!! (DELETED) 2015 WESTERN STAR...

Condition	Used
Usage	2,173 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	600 HP
Engine Model	Detroit DD16
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
Stock Number	GK6603
MLS Number	14064705
Category	Sleeper Semi Trucks
Last Updated	2/26/2026
Location	HOT SPRINGS, AR, US
Sold By	3W Equipment

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

$77,500 USD

2015 Peterbilt 389 Sleeper, 500hp Cummins ISX-15, 18spd Manual Transmission, 300k Mi, 2 Line wet Kit, 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	2/21/2026
Location	Sawyer, KS, US
Sold By	The Wrays, LLC

(833) 904-___ SHOW
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2019 Peterbilt 567 Tri Axle Sleeper Semi Truck - Mid Roof Sleeper, Cummins 500HP, 18 Speed Manual

$98,500 USD

2019 Peterbilt 567, 500hp Cummins X15, 18spd Manual Transmission, 225k Mi, Air ride suspension, Lift Axle, Wet Kit, 274in Wheelbase, nationwide Delivery Available

Condition	Used
Usage	225,583 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
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	58,350 lb
Stock Number	1309
MLS Number	14124665
Category	Sleeper Semi Trucks
Last Updated	2/4/2026
Location	Sawyer, KS, US
Sold By	The Wrays, LLC

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

$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

(833) 478-___ SHOW
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2026 Kenworth T880 Tri Axle Sleeper Semi Truck - 52" Mid Roof Sleeper, Cummins 565HP, 18 Speed Manual

Contact for price

BRAND NEW 2026 Kenworth T880 Heavy Haul 52" Regional Sleeper, 1271 miles, Cummins 565hp, 18 speed manual trans, Vantage interior, 425/65R22.5 steers 11R24.5 drives, 265" wheelbase, 4.10 rar...

Condition	New
Usage	1,271 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15P
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	52"
Suspension	Neway
Rear Axle	Tri Axle
Rear End	66,000 lb
Stock Number	7166
MLS Number	14109177
Category	Sleeper Semi Trucks
Last Updated	1/30/2026
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

(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

(855) 489-___ SHOW
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2020 Peterbilt 567 Tri Axle Sleeper Semi Truck - 72" Mid Roof Sleeper, Cummins 605HP, 18 Speed Manual

$119,000 USD

605hp Cummins w/2050 ft lb Torque, Emissions Modified, 18 Speed Manual Transmission, Limited Edition "Heritage" Interior with 76" Mid Roof Sleeper, 20K Front Axle, 46K Rears, Full Lockers,...

Condition	Used
Usage	492,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	605 HP
Engine Model	Cummins X15P
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	66,000 lb
Stock Number	2153
MLS Number	13995747
Category	Sleeper Semi Trucks
Last Updated	1/20/2026
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

(855) 489-___ SHOW
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2020 Peterbilt 567 Tri Axle Sleeper Semi Truck - 72" Mid Roof Sleeper, Cummins 605HP, 18 Speed Manual

$119,000 USD

605hp Cummins w/2050 ft lb Torque, Modified Emissions, 18 Speed Manual Transmission, Limited Edition "Heritage" Interior with 76" Mid Roof Sleeper, 20K Front Axle, 46K Rears, Full Lockers,...

Condition	Used
Usage	25,260 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	605 HP
Engine Model	Cummins X15P
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	66,000 lb
Stock Number	2168
MLS Number	14016276
Category	Sleeper Semi Trucks
Last Updated	1/20/2026
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

(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

(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