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Western Star Flat Top Sleeper Semi Trucks For Sale by Dealerships

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Showing 1 - 15 of 15 Sleeper Semi Truck Listings

1 - 15 of 15 listings
1 - 15 of 15 listings
Western Star 4900 Sleeper Semi Truck - 42" Flat Top Sleeper, Detroit 450HP, 10 Speed Manual

2013 Western Star 4900 Sleeper Semi Truck - 42" Flat Top Sleeper, Detroit 450HP, 10 Speed Manual

Newly Listed
$34,500 USD
2013 Western Star 4900SB Sleeper, 450hp Detroit DD13, 10spd Manual, Air ride suspension, 319k Mi, Nationwide Delivery Available
ConditionUsed
Usage318,897 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelDetroit DD13
Drivetrain6x4
Transmission10 Speed Manual
Sleeper TypeFlat Top Sleeper
Sleeper Size42"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.73 ratio
Stock Number4847
MLS Number14094822
CategorySleeper Semi Trucks
Last Updated1/16/2026
Location
Sawyer, KS, US
Sold By
The Wrays, LLC
(833) 904-___  SHOW
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The Wrays, LLC
Western Star 4900 Tri Axle Sleeper Semi Truck - 42" Flat Top Sleeper, Detroit 561HP, 18 Speed Manual

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

Newly Listed
$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...
ConditionUsed
Usage537,788 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power561 HP
Engine ModelDetroit DD16
Drivetrain8x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
Sleeper Size42"
SuspensionNeway
Rear AxleTri Axle
Rear End66,000 lb 4.10 ratio
Stock Number8326
MLS Number14094788
CategorySleeper Semi Trucks
Last Updated1/16/2026
Location
Sawyer, KS, US
Sold By
The Wrays, LLC
(833) 904-___  SHOW
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The Wrays, LLC
Western Star 4900 Tri Axle Sleeper Semi Truck - Flat Top Sleeper, Detroit 500HP, 18 Speed Manual

2011 Western Star 4900 Tri Axle Sleeper Semi Truck - Flat Top Sleeper, Detroit 500HP, 18 Speed Manual

Newly Listed
$59,500 USD
2011 Western Star 4900SA, 500 hp Detroit DD15, 18 spd Overdrive transmission with 4.30 gears in 46k rear ends with full lockers. 16K front axle and #13,200 steerable lift. 2 Line wet kit
ConditionUsed
Usage10,656 Hours
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power500 HP
Engine ModelDetroit DD15
Drivetrain8x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
SuspensionAir Ride
Rear AxleTri Axle
Rear End59,200 lb
Stock NumberBTS8704
MLS Number14088452
CategorySleeper Semi Trucks
Last Updated1/15/2026
Location
Great Falls, MT, US
Sold By
Bouma Truck Sales
(855) 605-___  SHOW
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Bouma Truck Sales
Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual

2025 Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual

Recently Updated
Contact for price
1266 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Spring Suspension, Sleeper Type: Flat Top Sleeper, Sleeper Size: 36, Tires: 11R24.5,...
ConditionNew
Usage1,266 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
Sleeper Size36"
SuspensionSpring
Rear AxleTandem Axle
Rear End46,000 lb 4.30 ratio
Stock NumberWS4898
MLS Number13218645
CategorySleeper Semi Trucks
Last Updated1/14/2026
Location
Houlton, ME, US
Sold By
Freightliner of Maine
(833) 982-___  SHOW
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Freightliner of Maine
Western Star 49X Sleeper Semi Truck - 36" Flat Top Sleeper, Detroit 600HP, 18 Speed Manual

2025 Western Star 49X Sleeper Semi Truck - 36" Flat Top Sleeper, Detroit 600HP, 18 Speed Manual

Recently Updated
Contact for price
914 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Spring Suspension, Sleeper Type: Flat Top Sleeper, Sleeper Size: 36, Tires: 11R24.5,...
ConditionNew
Usage914 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
Sleeper Size36"
SuspensionSpring
Rear AxleTandem Axle
Rear End46,000 lb 4.30 ratio
Stock NumberWS4863
MLS Number13056867
CategorySleeper Semi Trucks
Last Updated1/14/2026
Location
Fort Kent, ME, US
Sold By
Freightliner of Maine
(833) 932-___  SHOW
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Freightliner of Maine
Western Star 4900FA Sleeper Semi Truck - 42" Flat Top Sleeper, Detroit 560HP, 18 Speed Manual

2022 Western Star 4900FA Sleeper Semi Truck - 42" Flat Top Sleeper, Detroit 560HP, 18 Speed Manual

Contact for price
Transmission modelRTLO-20918B, ALUMINIUM HEADACHE RACK, ESPAR, BEACONS LIGHT, WET KIT,
ConditionUsed
Usage8,477 Hours
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power560 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
Sleeper Size42"
SuspensionHendrickson PRIMAAX
Rear AxleTandem Axle
Rear End46,000 lb 3.91 ratio
Stock NumberC-37148
MLS Number14077726
CategorySleeper Semi Trucks
Last Updated1/8/2026
Location
Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By
Gamache Truck Center
(833) 300-___  SHOW
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Gamache Truck Center
Western Star 4900 Sleeper Semi Truck - Flat Top Sleeper, Cummins 500HP, 18 Speed Manual

2016 Western Star 4900 Sleeper Semi Truck - Flat Top Sleeper, Cummins 500HP, 18 Speed Manual

$69,750 USD
345k Original Miles ~ Cummins ISX ~ 500 HP ~ 1850 Torque 18 Speed ~ 16k Front / 46k Rears ~ Full Lockers ~ Double Frame ~ Wet Kit ~ All Aluminum Wheels ~ Financing Available with Your Good...
ConditionUsed
Usage345,000 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power500 HP
Engine ModelCummins ISX
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
SuspensionAirLiner
Rear AxleTandem Axle
Rear End46,000 lb 4.30 ratio
Stock NumberGK6575
MLS Number13785085
CategorySleeper Semi Trucks
Last Updated1/8/2026
Location
Olive Branch, MS, US
Sold By
Truck Market
(844) 955-___  SHOW
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Truck Market
Western Star 49X Sleeper Semi Truck - Detroit 600HP, 18 Speed Manual

2025 Western Star 49X Sleeper Semi Truck - Detroit 600HP, 18 Speed Manual

Contact for price
1356 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Spring Suspension, Sleeper Type: Flat Top Sleeper, Sleeper Size: 36, Tires: 11R24.5,...
ConditionNew
Usage1,356 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
Sleeper Size36"
SuspensionSpring
Rear AxleTandem Axle
Rear End46,000 lb
Stock NumberWS4899
MLS Number13171682
CategorySleeper Semi Trucks
Last Updated1/14/2026
Location
Fort Kent, ME, US
Sold By
Freightliner of Maine
(833) 932-___  SHOW
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Freightliner of Maine
Western Star 49X Sleeper Semi Truck - Detroit 600HP, 18 Speed Manual

2025 Western Star 49X Sleeper Semi Truck - Detroit 600HP, 18 Speed Manual

Contact for price
1384 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Spring Suspension, Sleeper Type: Flat Top Sleeper, Sleeper Size: 36, Tires: 11R24.5,...
ConditionNew
Usage1,384 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
Sleeper Size36"
SuspensionSpring
Rear AxleTandem Axle
Rear End46,000 lb 4.30 ratio
Stock NumberWS4852
MLS Number13038859
CategorySleeper Semi Trucks
Last Updated1/14/2026
Location
Fort Kent, ME, US
Sold By
Freightliner of Maine
(833) 932-___  SHOW
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Freightliner of Maine
Western Star 4900EX Tri Axle Sleeper Semi Truck - Detroit

2019 Western Star 4900EX Tri Axle Sleeper Semi Truck - Detroit

Price Drop $114,900 USD
378688 Miles, Engine: DETROIT DD16, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 8x4, Sleeper Type: Flat Top Sleeper, Sleeper Size: 54, Wheel Base: 272, Tri Rear Axles, Front Axle...
ConditionUsed
Usage378,688 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Engine ModelDetroit DD16
Drivetrain8x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
Sleeper Size54"
Rear AxleTri Axle
Rear End46,000 lb 4.10 ratio
Stock Number347449
MLS Number13556811
CategorySleeper Semi Trucks
Last Updated1/6/2026
Location
Manchester, NH, US
Sold By
Allegiance Trucks
(844) 435-___  SHOW
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Allegiance Trucks
Western Star 4900 Tri Axle Sleeper Semi Truck - 28" Flat Top Sleeper, Detroit 600HP, 18 Speed Manual

2015 Western Star 4900 Tri Axle Sleeper Semi Truck - 28" Flat Top Sleeper, Detroit 600HP, 18 Speed Manual

$68,500 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...
ConditionUsed
Usage2,173 Hours
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain8x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
Sleeper Size28"
SuspensionAirLiner
Rear AxleTri Axle
Rear End46,000 lb 4.30 ratio
Stock NumberGK6603
MLS Number14064705
CategorySleeper Semi Trucks
Last Updated12/31/2025
Location
HOT SPRINGS, AR, US
Sold By
3W Equipment
(866) 530-___  SHOW
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3W Equipment
Western Star 49X Sleeper Semi Truck - 60" Mid Roof Sleeper, Detroit 600HP, 12 Speed Dt12 Amt

2026 Western Star 49X Sleeper Semi Truck - 60" Mid Roof Sleeper, Detroit 600HP, 12 Speed Dt12 Amt

$222,650 USD
NEW ARRIVAL!!!! 2026 WESTERN STAR 49XSF!!! BIG HORSEPOWER!!!! 600HP DD16, 1850 TORQUE. HEAVY SPEC TRUCK!!! 46K REAR 16K FRONT. BEAUTIFUL TRUCK! COMFORTABLE TO DRIVE.! FEDERAL EXCISE...
ConditionNew
Usage498 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automated
Sleeper TypeFlat Top Sleeper
Sleeper Size60"
SuspensionAirLiner
Rear AxleTandem Axle
Rear End46,000 lb 3.21 ratio
Stock Number109848
MLS Number13576732
CategorySleeper Semi Trucks
Last Updated12/16/2025
Location
Bowling Green, KY, US
Sold By
Boyd Truck Centers
(866) 751-___  SHOW
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Boyd Truck Centers
Western Star 4900 Tri Axle Sleeper Semi Truck - 36" Flat Top Sleeper, Detroit 560HP, 18 Speed Manual

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,,
ConditionUsed
Usage7,816 Hours
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power560 HP
Engine ModelDetroit DD15
Drivetrain8x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
Sleeper Size36"
SuspensionAirLiner
Rear AxleTri Axle
Rear End46,000 lb 4.10 ratio
MLS Number13791530
CategorySleeper Semi Trucks
Last Updated10/18/2025
Location
WINGER, MN, US
Sold By
Lucken Trucks and Parts
(833) 637-___  SHOW
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Western Star 49X Sleeper Semi Truck - 60" Mid Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

2026 Western Star 49X Sleeper Semi Truck - 60" Mid Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

$210,000 USD
NEW WESTERN STAR 49X 60 IN MID ROOF SLEEPER. 505HP DD15. NICE TRUCK THAT IS READY TO WORK
ConditionNew
Usage563 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automated
Sleeper TypeFlat Top Sleeper
Sleeper Size60"
SuspensionAirLiner
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number109849
MLS Number13576917
CategorySleeper Semi Trucks
Last Updated8/1/2025
Location
Bowling Green, KY, US
Sold By
Boyd Truck Centers
(866) 751-___  SHOW
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Boyd Truck Centers
Western Star 4900 Tri Axle Sleeper Semi Truck - 28" Flat Top Sleeper, Detroit 505HP, 18 Speed Manual

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...
ConditionUsed
Usage246,245 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
Engine ModelDetroit DD15
Drivetrain8x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
Sleeper Size28"
SuspensionAirLiner
Rear AxleTri Axle
Rear End46,000 lb 4.30 ratio
MLS Number13542225
CategorySleeper Semi Trucks
Last Updated6/25/2025
Location
WINGER, MN, US
Sold By
Lucken Trucks and Parts
(833) 637-___  SHOW
NUMBERCall Seller
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