Used 18 Speed Sleeper Semi Trucks with Detroit Engines For Sale

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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, Only 52,000 original miles, 500 HP Detroit DD15, 18 Speed Overdrive transmission with 4.30 gears, 46k rear ends with full lockers. 16K front axle and #13,200...

Condition	Used
Usage	50,958 Miles
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	AirLiner
Rear Axle	Tri Axle
Rear End	59,200 lb 4.30 ratio
Stock Number	BTS7824
MLS Number	14140776
Category	Sleeper Semi Trucks
Last Updated	2/12/2026
Location	Great Falls, MT, US
Sold By	Bouma Truck Sales

2022 Western Star 4900FA Sleeper Semi Truck - Detroit 600HP, 18 Speed Allison Hs Manual

Newly Listed

Contact for price

348940 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Allison HS Manual Transmission, Drive: 6x4, Air Ride Suspension, Wheels: All Aluminum, Wheel Base: 228, Tandem Rear...

Condition	Used
Usage	348,940 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	600 HP
Engine Model	Detroit DD16
Drivetrain	6x4
Transmission	18 Speed Allison HS Manual
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	C-37391
MLS Number	14140393
Category	Sleeper Semi Trucks
Last Updated	2/12/2026
Location	Champlain, NY, US
Sold By	Gamache Truck Center

(844) 656-___ SHOW
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2010 Freightliner Columbia 120 Sleeper Semi Truck - 36" Flat Top Sleeper, Detroit 500HP, 18 Speed Manual

Price Drop $34,750 USD

FREIGHTLINER COLUMBIA 120 MID ROOF, 12.7 DETRIOT 500 HP, EATON FULLER 18 SPD, GOOD CLUTCH COLD A/C, FLEET MAINTAINED, SHORT BUNK, WET KIT 2 LINE DUMP VALVE, FULL OCKERS, GOOD TRUCK READY TO...

Condition	Used
Usage	1,105,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Detroit SERIES 60 12.7 DDEC III
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	36"
Stock Number	#7661
MLS Number	12232762
Category	Sleeper Semi Trucks
Last Updated	2/7/2026
Location	Holland, MI, US
Sold By	HES Equipment / A&B Farms

(844) 435-___ SHOW
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2019 Western Star 4900EX Tri Axle Sleeper Semi Truck - Detroit

$114,900 USD

Manual 18 speed transmission with 560HP DD16 engine and 46,000 rears

Condition	Used
Usage	378,688 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD16
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	54"
Rear Axle	Tri Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	347449
MLS Number	13556811
Category	Sleeper Semi Trucks
Last Updated	1/31/2026
Location	Saco, ME, US
Sold By	Allegiance Trucks

2017 Western Star 4900FA Sleeper Semi Truck - 32" Mid Roof Sleeper, Detroit 500HP, 18 Speed Manual

Contact for price

758676 Miles, Engine: DETROIT DD16, 500 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, AirLiner Suspension, Sleeper Type: Mid Roof Sleeper, Sleeper Size: 32, Tires:...

Condition	Used
Usage	758,676 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Detroit DD16
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	32"
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	C-37152
MLS Number	14116469
Category	Sleeper Semi Trucks
Last Updated	1/29/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

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2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Mid Roof Sleeper, Detroit 505HP, 18 Speed Manual

$64,900 USD

427136 Miles, Engine: DETROIT DD15, 505 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Mid Roof Sleeper, Sleeper Size: 72, Tires: new...

Condition	Used
Usage	427,136 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.36 ratio
Stock Number	3900
MLS Number	14078400
Category	Sleeper Semi Trucks
Last Updated	1/31/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales

(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	1/22/2026
Location	HOT SPRINGS, AR, US
Sold By	3W Equipment

(833) 538-___ SHOW
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2022 Freightliner Cascadia 126 Sleeper Semi Truck - 62" Mid Roof Sleeper, Detroit 505HP, 18 Speed Manual

$68,900 USD

18 speed manual, DD15 505 HP,

Condition	Used
Usage	406,073 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	62"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.36 ratio
Stock Number	3902
MLS Number	14059476
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales

(844) 955-___ SHOW
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2014 Kenworth W900L Sleeper Semi Truck - Detroit 500HP, 18 Speed Manual

$102,750 USD

Only 111k Miles on Overhaul including Head with Paperwork ~ Detroit 12.7 ~ 500 HP ~ 18 Speed ~ Full Lockers ~ Brand New Drives! ~ All Aluminum Wheels ~ Financing Available with Your Good...

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Rear Axle	Tandem Axle
Stock Number	387524
MLS Number	13668922
Category	Sleeper Semi Trucks
Last Updated	1/17/2026
Location	Olive Branch, MS, US
Sold By	Truck Market

(833) 904-___ SHOW
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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	14094788
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Sawyer, KS, US
Sold By	The Wrays, LLC

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

$59,500 USD

2011 Western Star 4900SA, Only 52,000 original miles, 500 HP Detroit DD15, 18 Speed Overdrive transmission with 4.30 gears, 46k rear ends with full lockers. 16K front axle and #13,200...

Condition	Used
Usage	10,656 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
Stock Number	BTS8704
MLS Number	14088452
Category	Sleeper Semi Trucks
Last Updated	1/21/2026
Location	Great Falls, MT, US
Sold By	Bouma Truck Sales

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,

Condition	Used
Usage	8,477 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	560 HP
Engine Model	Detroit DD16
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	42"
Suspension	Hendrickson PRIMAAX
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.91 ratio
Stock Number	C-37148
MLS Number	14077726
Category	Sleeper Semi Trucks
Last Updated	1/21/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

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,

Condition	Used
Usage	15,355 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	600 HP
Engine Model	Detroit DD16
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	48"
Suspension	Hendrickson RT
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	C-37045
MLS Number	14040832
Category	Sleeper Semi Trucks
Last Updated	1/21/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

2012 Freightliner Argosy Sleeper Semi Truck - 48" Mid Roof Sleeper, Detroit 500HP, 18 Speed Manual

Contact for price

BEACONS LIGHT, HEADACHE RACK ALUMINIUM, ALUMINIUM TOOL BOX,

Condition	Used
Usage	19,799 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Detroit SERIES 60 12.7 DDEC V
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	48"
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	45,400 lb 3.91 ratio
Stock Number	C-35729
MLS Number	13576652
Category	Sleeper Semi Trucks
Last Updated	1/21/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

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2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Mid Roof Sleeper, Detroit 505HP, 18 Speed Manual

$78,900 USD

351954 Miles, 10898 Hours, Engine: DETROIT DD15, 505 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Mid Roof Sleeper, Sleeper Size: 72,...

Condition	Used
Usage	10,898 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.36 ratio
Stock Number	4080
MLS Number	14131091
Category	Sleeper Semi Trucks
Last Updated	2/7/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales