Tri Axle Flat Top Sleeper Semi Trucks For Sale

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33 0

2012 Western Star 4900 Tri Axle Sleeper Semi Truck - 36" Flat Top Sleeper, Detroit 500HP, 18 Speed Manual

$49,900 USD

2012 WESTERN STAR 4900, 59,741 MILES, 4,534 HOURS, DELETED DD-15, 500HP, EATON FULLER 18 SPEED, 16,000 LB FRONT AXLE, 46,000 LB REAR AXLES, 13,200 LB PUSHER AXLE, FULL LOCKERS, DOUBLE FRAME,...

Condition	Used
Usage	4,534 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Detroit DD15
Drivetrain	6x6
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	36"
Suspension	AirLiner
Rear Axle	Tri Axle
Rear End	46,000 lb
Stock Number	BF0203
MLS Number	13848480
Category	Sleeper Semi Trucks
Last Updated	9/27/2025
Location	HOT SPRINGS, AR, US
Sold By	3W Equipment

(833) 637-___ SHOW
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35 1

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, 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	9/25/2025
Location	WINGER, MN, US
Sold By	Lucken Trucks and Parts

(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

(844) 708-___ SHOW
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64 1

2005 Kenworth W900L Tri Axle Sleeper Semi Truck - 42" Flat Top Sleeper, Caterpillar 475HP, 18 Speed Manual

$72,500 USD

2005 Kenworth W900L with Rebuilt Caterpillar C15 475 HP Engine and Rebuilt 18 Speed Manual Transmission. 244" WB, 3.70 Ratio Rear Ends, Aluminum Wheels, Watson Chalin 12,000# Center Drop...

Condition	Used
Usage	1,565,606 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Caterpillar C15 ACERT
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	42"
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	52,000 lb 3.70 ratio
Stock Number	SBA1314
MLS Number	13817038
Category	Sleeper Semi Trucks
Last Updated	9/17/2025
Location	Provo, UT, US
Sold By	SellBuyAuction

(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

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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

(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

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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

(833) 692-___ SHOW
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14 0

2016 Freightliner Cascadia 125 Evolution Tri Axle Sleeper Semi Truck - Flat Top Sleeper, Detroit 515HP, Automatic

Contact for price

2016 FREIGHTLINER CASCADIA 125 EVOLUTION SLEEPER TR-229, 571,467 MILES, DETROIT DD15, AUTO DT-12 TRANSMISSION, 295/22.5 TIRES, AIR RIDE, 256" WHEELBASE, MID LIFT AXLE, SLIDING 5TH WHEEL ,...

Condition	Used
Usage	571,467 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	515 HP
Engine Model	Detroit DD15
Drivetrain	8x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	TR-229
MLS Number	13720460
Category	Sleeper Semi Trucks
Last Updated	7/31/2025
Location	Troutdale, OR, US
Sold By	Pacific Coast Utility Trailer

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23 0

2018 Freightliner Cascadia 113 Sleeper Semi Truck

$69,900 USD

2018 Freightliner Cascadia 113 Mid roof / Flat roof Tri Axle Sleeper with PTO Wet Kit, EMISSIONS ALTERED / DELETED!!! Detroit DD13 Engine!! 450 HP!! Allison RDS 4500 6 Speed Automatic...

Condition	Used
Usage	3,712 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit Detroit DD13
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Sleeper Type	Flat Top Sleeper
Sleeper Size	48"
Suspension	AirLiner
Rear Axle	Tri Axle
Rear End	50,000 lb 3.91 ratio
Stock Number	260209
MLS Number	13663297
Category	Sleeper Semi Trucks
Last Updated	6/24/2025
Location	Mcdonough, GA, US
Sold By	The Truck and Trailer Connection INC

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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

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19 0

2014 Freightliner Coronado 122 Sleeper Semi Truck

$69,900 USD

2014 Freightliner Coronado Glider Mid Roof / Flat Top Tri-Axle Sleeper with Wet Kit, Detroit 60 Series 12.7 Engine!!! 500 HP!! GLIDER ENGINE!! Eaton Fuller 13 speed Manual Transmission! ONLY...

Condition	Used
Usage	22,435 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Detroit Detroit 60 Series
Emission Rating	12.7
Drivetrain	8x4
Transmission	13 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	40,000 lb 3.58 ratio
Stock Number	260126
MLS Number	13622976
Category	Sleeper Semi Trucks
Last Updated	6/4/2025
Location	Mcdonough, GA, US
Sold By	The Truck and Trailer Connection INC

(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