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Used Western Star 18 Speed Sleeper Semi Trucks with Detroit Engines For Sale by Dealerships

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Showing 1 - 16 of 16 Sleeper Semi Truck Listings

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1 - 16 of 16 listings
Western Star 49X Sleeper Semi Truck - 48" Mid Roof Sleeper, Detroit 560HP, 18 Speed Manual

2024 Western Star 49X Sleeper Semi Truck - 48" Mid Roof Sleeper, Detroit 560HP, 18 Speed Manual

Newly Listed
$164,500 USD
EW4 and Wiring Coverage until 12/28,
ConditionUsed
Usage155,658 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power560 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeMid Roof Sleeper
Sleeper Size48"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb 4.10 ratio
Stock Number83819
MLS Number14287292
CategorySleeper Semi Trucks
Last Updated4/4/2026
Location
Bangor, ME, US
Sold By
Freightliner of Maine
(833) 932-___  SHOW
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Freightliner of Maine
Western Star 4900 Tri Axle Sleeper Semi Truck - Flat Top Sleeper, Detroit 500HP, 18 Speed Manual

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...
ConditionUsed
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 4.30 ratio
Stock NumberBTS0239
MLS Number14275793
CategorySleeper Semi Trucks
Last Updated3/31/2026
Location
Great Falls, MT, US
Sold By
Bouma Truck Sales
(855) 605-___  SHOW
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Bouma Truck Sales
Western Star 4900 Tri Axle Sleeper Semi Truck - Flat Top Sleeper, Detroit 500HP, 18 Speed Manual

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...
ConditionUsed
Usage50,620 Miles
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 4.30 ratio
Stock NumberBTS0244
MLS Number14275791
CategorySleeper Semi Trucks
Last Updated3/31/2026
Location
Great Falls, MT, US
Sold By
Bouma Truck Sales
(855) 605-___  SHOW
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Western Star 4900 Tri Axle Sleeper Semi Truck - Flat Top Sleeper, Detroit 500HP, 18 Speed Manual

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 73,000 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...
ConditionUsed
Usage8,203 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 4.30 ratio
Stock NumberBTS0241
MLS Number14275787
CategorySleeper Semi Trucks
Last Updated4/2/2026
Location
Great Falls, MT, US
Sold By
Bouma Truck Sales
(855) 605-___  SHOW
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Western Star 4900 Tri Axle Sleeper Semi Truck - Flat Top Sleeper, Detroit 500HP, 18 Speed Manual

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 71,000 original miles, 7100 HOURS on a 500 HP Detroit DD15, 18 Speed Overdrive transmission with 4.30 gears, 46k rear ends with full lockers. 16K front axle...
ConditionUsed
Usage71,000 Miles
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 4.30 ratio
Stock NumberBTS0197
MLS Number14275784
CategorySleeper Semi Trucks
Last Updated3/31/2026
Location
Great Falls, MT, US
Sold By
Bouma Truck Sales
(855) 605-___  SHOW
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Western Star 4900 Tri Axle Sleeper Semi Truck - 36" Flat Top Sleeper, Detroit 500HP, 18 Speed Manual

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

$59,900 USD
2012 Western Star 4900, 65,250 miles, 5830 hours, DD15 Detroit 500hp, Eaton 18 speed, 16K front axle, 46K rears, 13,200 lift axle, full lockers, airliner susp, eng brake, cruise, polished...
ConditionUsed
Usage65,250 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power500 HP
Engine ModelDetroit DD15
Drivetrain8x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
Sleeper Size36"
SuspensionAirLiner
Rear AxleTri Axle
Rear End49,632 lb 4.30 ratio
MLS Number14269182
CategorySleeper Semi Trucks
Last Updated3/26/2026
Location
WINGER, MN, US
Sold By
Lucken Trucks and Parts
(833) 637-___  SHOW
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Western Star 4900 Tri Axle Sleeper Semi Truck - Flat Top Sleeper, Detroit 500HP, 18 Speed Manual

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...
ConditionUsed
Usage6,625 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 4.30 ratio
Stock NumberBTS0240
MLS Number14229707
CategorySleeper Semi Trucks
Last Updated3/18/2026
Location
Great Falls, MT, US
Sold By
Bouma Truck Sales
(855) 605-___  SHOW
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Bouma Truck Sales
Western Star 4900 Tri Axle Sleeper Semi Truck - 36" Flat Top Sleeper, Detroit 505HP, 18 Speed Ultrashift Plus Amt

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!!,
ConditionUsed
Usage347,874 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
Engine ModelDetroit DD15TC
Drivetrain8x4
Transmission18 Speed Ultrashift Plus Automated
Sleeper TypeFlat Top Sleeper
Sleeper Size36"
SuspensionAir Ride
Rear AxleTri Axle
Rear End46,000 lb 4.30 ratio
Stock Number15DET347TRIWS
MLS Number14147507
CategorySleeper Semi Trucks
Last Updated3/18/2026
Location
Covington, TN, US
Sold By
Don Baskin Truck Sales
(833) 801-___  SHOW
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Don Baskin Truck Sales
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 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...
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 Updated3/17/2026
Location
WINGER, MN, US
Sold By
Lucken Trucks and Parts
(833) 637-___  SHOW
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Western Star 4900 Sleeper Semi Truck - 48" Mid Roof Sleeper, Detroit 600HP, 18 Speed Manual

2020 Western Star 4900 Sleeper Semi Truck - 48" Mid Roof Sleeper, Detroit 600HP, 18 Speed Manual

Contact for price
BEACONS LIGHT, WEBASTO, ELECTRONIC SCALE KILOAD K4, Transmission modelRTLO-20918B,
ConditionUsed
Usage12,345 Hours
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeMid Roof Sleeper
Sleeper Size48"
SuspensionAirLiner
Rear AxleTandem Axle
Rear End46,000 lb 4.10 ratio
Stock NumberC-37366
MLS Number14164659
CategorySleeper Semi Trucks
Last Updated3/12/2026
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 49X Sleeper Semi Truck - 64" Mid Roof Sleeper, Detroit 560HP, 18 Speed Manual

2024 Western Star 49X Sleeper Semi Truck - 64" Mid Roof Sleeper, Detroit 560HP, 18 Speed Manual

Contact for price
427880 Miles, 6315 Hours, Engine: DETROIT DD16, 560 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, AirLiner Suspension, Sleeper Type: Mid Roof Sleeper, Sleeper Size: 64,...
ConditionUsed
Usage6,315 Hours
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power560 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeMid Roof Sleeper
Sleeper Size64"
SuspensionAirLiner
Rear AxleTandem Axle
Rear End40,000 lb 3.36 ratio
Stock NumberC-37490
MLS Number14159829
CategorySleeper Semi Trucks
Last Updated3/12/2026
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 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 Updated3/12/2026
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 - 48" Mid Roof Sleeper, Detroit 600HP, 18 Speed Manual

2020 Western Star 4900 Sleeper Semi Truck - 48" Mid Roof Sleeper, Detroit 600HP, 18 Speed Manual

Contact for price
WEBASTO, BEACONS LIGHT, Transmission modelRTLO-20918B,
ConditionUsed
Usage15,355 Hours
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeMid Roof Sleeper
Sleeper Size48"
SuspensionHendrickson RT
Rear AxleTandem Axle
Rear End46,000 lb 4.10 ratio
Stock NumberC-37045
MLS Number14040832
CategorySleeper Semi Trucks
Last Updated3/19/2026
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, Detroit 500HP, 18 Speed Manual

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

$59,500 USD
2015 Western Star 4900 Sleeper, 500hp Detroit DD15, 18spd Manual Transmission, 288k Mi, Air ride suspension, 245in Wheelbase, Nationwide Delivery Available
ConditionUsed
Usage288,570 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power500 HP
Engine ModelDetroit DD15
Drivetrain8x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb
Stock Number9161
MLS Number14234390
CategorySleeper Semi Trucks
Last Updated3/10/2026
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 - 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

$68,450 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...
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 Updated2/26/2026
Location
HOT SPRINGS, AR, US
Sold By
3W Equipment
(866) 530-___  SHOW
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3W Equipment
Western Star 49X Sleeper Semi Truck - Detroit 560HP, 18 Speed Manual

2023 Western Star 49X Sleeper Semi Truck - Detroit 560HP, 18 Speed Manual

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This white 48" sleeper is powered by a Detroit DD16 rated at 560 horsepower and 2,050 lb-ft of torque, delivering exceptional strength for heavy haul and long-distance applications. It is...
ConditionUsed
Usage340,458 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power560 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Rear AxleTandem Axle
Rear End46,000 lb
Stock Number83794
MLS Number14153299
CategorySleeper Semi Trucks
Last Updated2/19/2026
Location
Bangor, ME, US
Sold By
Freightliner of Maine
(833) 932-___  SHOW
NUMBERCall Seller
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Freightliner of Maine
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