Used 18 Speed 6x4 Sleeper Semi Trucks For Sale

(833) 300-___ SHOW
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Tri State Truck Center - Springfield, MO

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 62" Mid Roof Sleeper, Cummins 500HP, 18 Speed Manual

Newly Listed

Contact for price

ESPAR, INVERTER: TRIPP-LITE 3000 WATTS,

Condition	Used
Usage	13,017 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15E
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	62"
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.58 ratio
Stock Number	C-37662
MLS Number	14442064
Category	Sleeper Semi Trucks
Last Updated	6/20/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

(833) 478-___ SHOW
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2015 Kenworth W900L Sleeper Semi Truck - 86" Raised Roof Sleeper, Caterpillar 550HP, 18 Speed Manual

Recently Updated

Contact for price

Kenworth W900L Icon | CAT 3406E | Rare, If you're looking for something different than the typical fleet truck, this W900L Icon deserves a serious look Powered by the legendary CAT 3406E,...

Condition	Used
Usage	692,103 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	550 HP
Engine Model	Caterpillar 3406E
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	86"
Suspension	8 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	7383
MLS Number	14422220
Category	Sleeper Semi Trucks
Last Updated	6/20/2026
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

(855) 489-___ SHOW
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2024 Peterbilt 389 Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 565HP, 18 Speed Manual

Recently Updated

$205,000 USD

Low Miles, Like New!, Cummins 565hp with 2050 ft lbs Torque and an 18 Speed Manual Transmission, 72" Raised Roof Sleeper, 284" Wheelbase, Dual Exhaust, Dual Breathers, Disc Brakes, Full...

Condition	Used
Usage	28,127 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15P
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	2266
MLS Number	14386034
Category	Sleeper Semi Trucks
Last Updated	6/20/2026
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

(833) 801-___ SHOW
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2006 Freightliner FLD132 Classic XL Sleeper Semi Truck - 84" Raised Roof Sleeper, Caterpillar 475HP, 18 Speed Manual

Recently Updated

$30,000 USD

GOOD TRUCK, RUNS EXCELLENT, AIR SEAT, 84 INCH SLEEPER, DUAL EXHAUST, DUAL BREATHERS, PRE-EMISSIONS, SLIDING 5TH WHEEL, SOUTHERN TRUCK/ NOT RUSTY!,

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Caterpillar C15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	84"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.42 ratio
Stock Number	06C15CLASSIC
MLS Number	14160201
Category	Sleeper Semi Trucks
Last Updated	6/20/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(833) 932-___ SHOW
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2023 Western Star 49X Sleeper Semi Truck - Detroit 560HP, 18 Speed Manual

Recently Updated

$149,500 USD

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...

Condition	Used
Usage	340,458 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	560 HP
Engine Model	Detroit DD16
Drivetrain	6x4
Transmission	18 Speed Manual
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	83794
MLS Number	14153299
Category	Sleeper Semi Trucks
Last Updated	6/20/2026
Location	Westbrook, ME, US
Sold By	Freightliner of Maine

(844) 940-___ SHOW
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2005 Peterbilt 379 Sleeper Semi Truck - Flat Top Sleeper, Caterpillar 550HP, 18 Speed Manual

Newly Listed

$84,999 USD

BRAND NEW PLATINUM OVERHAUL 4 YEAR UNLIMITED WARRANTY. ZERO MILES ON THE OVERHAUL,

Condition	Used
Usage	1,100,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	550 HP
Engine Model	Caterpillar C15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Rear Axle	Tandem Axle
Stock Number	RED05
MLS Number	14440091
Category	Sleeper Semi Trucks
Last Updated	6/19/2026
Location	Odenville, AL, US
Sold By	Used Truck and Trailer, Inc.

(844) 321-___ SHOW
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2020 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 565HP, 18 Speed Endurant Automatic

Newly Listed

$54,900 USD

569000 Miles, Engine: CUMMINS X15, 565 HP, Fuel Type: Diesel, 18 Speed Endurant Automatic Transmission, Drive: 6x4, Overdrive, 4 Bag Air Ride Suspension, Sleeper Type: Raised Roof Sleeper,...

Condition	Used
Usage	569,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	80"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	1745
MLS Number	14440080
Category	Sleeper Semi Trucks
Last Updated	6/19/2026
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

2023 Peterbilt 389 Sleeper Semi Truck - 78" Mid Roof Sleeper, Cummins 565HP, 18 Speed Manual

Recently Updated

$112,900 USD

506303 Miles, 13261 Hours, Engine: CUMMINS X15, 565 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Mid Roof Sleeper, Sleeper Size: 78,...

Condition	Used
Usage	13,261 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	78"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	4058
MLS Number	14418238
Category	Sleeper Semi Trucks
Last Updated	6/19/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales

2023 Peterbilt 389 Sleeper Semi Truck - 78" Mid Roof Sleeper, Cummins 500HP, 18 Speed Manual

Recently Updated

$134,900 USD

257832 Miles, Engine: CUMMINS X15, 500 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Mid Roof Sleeper, Sleeper Size: 78, Tires: 22.5 low...

Condition	Used
Usage	257,832 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	78"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	4110
MLS Number	14375155
Category	Sleeper Semi Trucks
Last Updated	6/19/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales

2023 Peterbilt 389 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 565HP, 18 Speed Manual

Recently Updated

$129,900 USD

319725 Miles, Engine: CUMMINS X15, 565 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Mid Roof Sleeper, Tires: 22.5 low pro, Wheels: All...

Condition	Used
Usage	319,725 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.25 ratio
Stock Number	4088
MLS Number	14373306
Category	Sleeper Semi Trucks
Last Updated	6/19/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales

(833) 796-___ SHOW
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1997 Peterbilt 379EXHD Sleeper Semi Truck - Flat Top Sleeper, Caterpillar 550HP, 18 Speed Manual

Recently Updated

$79,900 USD

Driver retired from OTR. 2.7 million mile truck with around 690,000 on the last engine overhaul. 2019 reman RTLO18918b and new clutch, Brand new 7" exhaust, Air and electrical at end of...

Condition	Used
Usage	850,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	550 HP
Engine Model	Caterpillar 3406E
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	434889
MLS Number	14386225
Category	Sleeper Semi Trucks
Last Updated	6/17/2026
Location	Spokane Valley, WA, US
Sold By	Class 8 Trucks

(844) 624-___ SHOW
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2018 Peterbilt 389 Sleeper Semi Truck - 58" Flat Top Sleeper, Cummins 500HP, 18 Speed Endurant Automatic

Price Drop $84,950 USD

2018 Peterbilt 389 For Sale:, - 500hp Cummins X15 Efficiency Series, - Eaton 18-Speed Auto, - 58" Flat Top Sleeper, Additional Features Include: HERD Cattle Guard, 2.91 Ratio, 244" Wheelbase...

Condition	Used
Usage	434,052 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Endurant Automatic
Sleeper Type	Flat Top Sleeper
Sleeper Size	58"
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	44,000 lb 2.91 ratio
Stock Number	CO11274
MLS Number	14305660
Category	Sleeper Semi Trucks
Last Updated	6/19/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

2022 Peterbilt 389 Sleeper Semi Truck - 72" Mid Roof Sleeper, Cummins 565HP, 18 Speed Manual

Recently Updated

$108,900 USD

471000 Miles, 17448 Hours, Engine: CUMMINS X15, 565 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Mid Roof Sleeper, Sleeper Size: 72,...

Condition	Used
Usage	17,448 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.25 ratio
Stock Number	3894
MLS Number	14107425
Category	Sleeper Semi Trucks
Last Updated	6/17/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales

(707) 849-___ SHOW
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2009 Peterbilt 389 Sleeper Semi Truck - Raised Roof Sleeper, Cummins, 18 Speed Manual

Price Drop $25,000 USD

2009 Peterbilt 389 Long Nose 1,844,510 18 speed CUMMINS ISX 2021 In Frame Rebuild Auxiliary power unit sleeper AC and Heat Truck is road ready Call Charlie Kain for details and to arrange...

Condition	Used
Usage	1,844,510 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Cummins ISX
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Raised Roof Sleeper
Rear Axle	Tandem Axle
MLS Number	14049611
Category	Sleeper Semi Trucks
Last Updated	6/17/2026
Location	Oakland, CA, US
Sold By	Personal Asset Brokerage

(855) 489-___ SHOW
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2023 International HX Sleeper Semi Truck - 72" Mid Roof Sleeper, Cummins 500HP, 18 Speed Manual

Newly Listed

$105,000 USD

Great Miles, 500 Cummins w/1850 Torque, Price Includes 6 month/50k Mile Premium 2000 Warranty (Engine, Turbo, Injectors, Aftertreatment), 18 Speed Manual Transmission, Dual Exhaust, Dual...

Condition	Used
Usage	256,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	2272
MLS Number	14431608
Category	Sleeper Semi Trucks
Last Updated	6/16/2026
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

(866) 579-___ SHOW
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2018 Peterbilt 389 Sleeper Semi Truck - 58" Flat Top Sleeper, Cummins 500HP, 18 Speed Endurant Automatic

Price Drop $84,950 USD

FOR SALE — 2018 PETERBILT 389 FLAT TOP SLEEPER Classic long-hood styling. Big Cummins power. Loaded owner-operator spec. This 2018 Peterbilt 389 is the kind of truck that turns heads...

Condition	Used
Usage	434,052 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Endurant Automatic
Sleeper Type	Flat Top Sleeper
Sleeper Size	58"
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	44,000 lb 2.91 ratio
Stock Number	CO11274
MLS Number	14305673
Category	Sleeper Semi Trucks
Last Updated	6/21/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(844) 909-___ SHOW
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2007 Kenworth T800 Sleeper Semi Truck - Raised Roof Sleeper, Cummins, 18 Speed Manual

$37,000 USD

2007 Kenworth T-800 Cummins ISX 565, 18 Spd Manual, Super Singles, Sliding 5th Wheel, Dual Lockers, CB Radio, Freshly Painted Frame, 3.36 Gear Radio, 254" Wheelbase Runs and drives great...

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Cummins ISX565
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Raised Roof Sleeper
Suspension	Spring
Rear Axle	Tandem Axle
Rear End	3.36 ratio
MLS Number	14356496
Category	Sleeper Semi Trucks
Last Updated	6/16/2026
Location	Paul, ID, US
Sold By	BTR Sales

(833) 300-___ SHOW
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2024 Kenworth T880 Sleeper Semi Truck - 42" Mid Roof Sleeper, Cummins 565HP, 18 Speed Manual

Contact for price

HEADACHE RACK, ESPAR,

Condition	Used
Usage	8,542 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15P
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	42"
Suspension	Newair
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	C-37442
MLS Number	14127234
Category	Sleeper Semi Trucks
Last Updated	6/13/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

(833) 478-___ SHOW
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2020 Peterbilt 389 Sleeper Semi Truck - 70" Mid Roof Sleeper, Cummins 565HP, 18 Speed Manual

Contact for price

FRESH ENGINE INFRAME WARRANTY. 565HP and 18spd and a full 22 gauge package to keep an eye on everything and a Pete Low Leaf Air ride to keep it comfortable on the highway. Call today for...

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	70"
Suspension	Pete Low Air Leaf
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	7143
MLS Number	14087910
Category	Sleeper Semi Trucks
Last Updated	6/12/2026
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

(707) 849-___ SHOW
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2015 Peterbilt 389 Sleeper Semi Truck - 63" Flat Top Sleeper, Cummins 550HP, 18 Speed Manual

$129,000 USD

2015 Peterbilt 389 Long Hood Excellent condition Full inframe 350k miles ago.. Owner operator spec Cummins 550hp, 18 speed, Brand new tires,

Condition	Used
Usage	806,177 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	550 HP
Engine Model	Cummins ISX15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	63"
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	14418256
Category	Sleeper Semi Trucks
Last Updated	6/11/2026
Location	Santa Rosa, CA, US
Sold By	Personal Asset Brokerage

(855) 807-___ SHOW
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2023 Freightliner Coronado 122 SD Sleeper Semi Truck - 70" Mid Roof Sleeper, Detroit 505HP, 18 Speed Manual

$124,500 USD

2023 FREIGHTLINER CORANADO SD122, LOW MILES, DETROIT DD13 505HP, EATON MANUAL 18 SPEED TRANSMISSION, DOUBLE FRAMED, 14,320 FAW, GVW, 60,320, 46K REARS, AIR LINE SUSPENSION, 3.73 RATIO. GREAT...

Condition	Used
Usage	161,835 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	70"
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.73 ratio
Stock Number	7275
MLS Number	14418120
Category	Sleeper Semi Trucks
Last Updated	6/11/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(855) 807-___ SHOW
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2023 Freightliner Coronado 122 SD Sleeper Semi Truck - 70" Mid Roof Sleeper, Detroit 505HP, 18 Speed Manual

$129,500 USD

2023 FREIGHTLINER CORANADO SD122, LOW MILES, DETROIT DD13 505HP, EATON MANUAL 18 SPEED TRANSMISSION, DOUBLE FRAMED, 14,320 FAW, GVW, 60,320, 46K REARS, AIR LINE SUSPENSION, 3.73 RATIO. GREAT...

Condition	Used
Usage	135,243 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	70"
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.73 ratio
Stock Number	7274
MLS Number	14418079
Category	Sleeper Semi Trucks
Last Updated	6/12/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(724) 648-___ SHOW
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2022 Peterbilt 389 Sleeper Semi Truck - 72" Flat Top Sleeper, Cummins 565HP, 18 Speed Manual

$134,900 USD

Bal of 500K mile warranty, Seminole paint, Cab, Breather and Bunk lights, S/S fenders, S/S drop visor, Navigation, Wet-line,

Condition	Used
Usage	17,195 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	72"
Suspension	Low Air
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	287993
MLS Number	14417726
Category	Sleeper Semi Trucks
Last Updated	6/11/2026
Location	Butler, PA, US
Sold By	Hunter Truck

(724) 648-___ SHOW
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2025 Peterbilt 589 Sleeper Semi Truck - 72" Flat Top Sleeper, Cummins 500HP, 18 Speed Manual

$189,900 USD

Sharp truck, Lots of Stainless and lights, Full fenders with S/S rear bumper, Stainless frame inserts, Stainless rear light panel, S/S cab bunk panels, Painted drop visor, Double J drop...

Condition	Used
Usage	6,382 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	72"
Suspension	Low Air
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	288939
MLS Number	14417709
Category	Sleeper Semi Trucks
Last Updated	6/11/2026
Location	Butler, PA, US
Sold By	Hunter Truck