18 Speed 6x4 Sleeper Semi Trucks with Detroit Engines For Sale

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1-21 of 21 results
1-21 of 21 results
Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual
13 0

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

Newly Listed
Call for price
6 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Wheels: Aluminum, Wheel Base: 250,...
ConditionNew
Usage6 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb
Stock NumberWS4882
MLS Number13142937
CategorySleeper Semi Trucks
Last Updated9/28/2024
Location
Bangor, ME, US
Sold By

Freightliner of Maine

Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual
12 0

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

Newly Listed
Call for price
7 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Wheels: Aluminum, Wheel Base: 250,...
ConditionNew
Usage7 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb
Stock NumberWS4874
MLS Number13138144
CategorySleeper Semi Trucks
Last Updated9/28/2024
Location
Fort Kent, ME, US
Sold By

Freightliner of Maine

Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual
12 0

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

Recently Updated
Call for price
8 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Wheel Base: 250, Tandem Rear Axles,...
ConditionNew
Usage8 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb
Stock NumberWS4875
MLS Number13051473
CategorySleeper Semi Trucks
Last Updated9/26/2024
Location
Bangor, ME, US
Sold By

Freightliner of Maine

Western Star 4900EX Sleeper Semi Truck - Detroit 600HP, 18 Speed Manual
11 0

2021 Western Star 4900EX Sleeper Semi Truck - Detroit 600HP, 18 Speed Manual

$149,900 USD
EXCEPTIONALLY CLEAN, HEAVY SPEC TRUCK, ONLY HIGHWAY MILES, CURTAIN SIDE FLATBED APPLICATION, 280 INCH WB, 600 DD16 DETROIT, 18 SPD, 3.73 RATIO, 68 INCH FLAT TOP SLEEPER, FULL HALF...
ConditionUsed
Usage508,045 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper Size68"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb 3.73 ratio
Stock Number244644
MLS Number13129751
CategorySleeper Semi Trucks
Last Updated9/21/2024
Location
Bangor, ME, US
Sold By

Allegiance Trucks

Western Star 4900FA Sleeper Semi Truck - 48" Flat Top Sleeper, Detroit 565HP, 18 Speed Manual
37 1

2019 Western Star 4900FA Sleeper Semi Truck - 48" Flat Top Sleeper, Detroit 565HP, 18 Speed Manual

Call for price
491588 Miles, 14266 Hours, Engine: DETROIT DD16, 565 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, AirLiner Suspension, Sleeper Type: Flat Top Sleeper, Sleeper Size: 48,...
ConditionUsed
Usage14,266 Hours
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power565 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
Sleeper Size48"
SuspensionAirLiner
Rear AxleTandem Axle
Rear End46,000 lb 3.91 ratio
Stock NumberC-35540
MLS Number13119259
CategorySleeper Semi Trucks
Last Updated9/18/2024
Location
Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By

Gamache Truck Center

Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual
11 0

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

Call for price
984 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Wheels: Aluminum, Wheel Base: 250,...
ConditionNew
Usage984 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb
Stock NumberWS4880
MLS Number13117974
CategorySleeper Semi Trucks
Last Updated9/17/2024
Location
Bangor, ME, US
Sold By

Freightliner of Maine

Western Star 4900FA Sleeper Semi Truck - Detroit
24 0

2023 Western Star 4900FA Sleeper Semi Truck - Detroit

$199,900 USD
118801 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, Drive: 6x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Sleeper Size: 36, Wheel Base: 270, Tandem Rear Axles, Front...
ConditionUsed
Usage118,801 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed
Sleeper TypeFlat Top Sleeper
Sleeper Size36"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb 3.73 ratio
Stock Number336927
MLS Number12867176
CategorySleeper Semi Trucks
Last Updated9/9/2024
Location
Manchester, NH, US
Sold By

Allegiance Trucks

Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 18 Speed Manual
18 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 18 Speed Manual

$99,000 USD
224051 Miles, 6314 Hours, Engine: DETROIT DD15, 455 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 72,...
ConditionUsed
Usage6,314 Hours
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeRaised Roof Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End2.85 ratio
Stock Number3850
MLS Number13007607
CategorySleeper Semi Trucks
Last Updated8/28/2024
Location
Idaho Falls, ID, US
Sold By

Dad's Truck and Trailer Sales

Peterbilt 389 Sleeper Semi Truck - 63" Mid Roof Sleeper, Detroit 500HP, 18 Speed Manual
44 0

2015 Peterbilt 389 Sleeper Semi Truck - 63" Mid Roof Sleeper, Detroit 500HP, 18 Speed Manual

$114,500 USD
GLIDER! CRATE DETROIT SERIES 60 12.7 500 HP MOTOR, 94EPA, ELOG EXEMPT, 18SPD PULLING POWER,GOOD RUBBER, FRIDGE, LEATHER SEATS, READY TO WORK! Please visit our website southerntrucksales to...
ConditionUsed
Usage331,549 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power500 HP
Engine ModelDetroit SERIES 60 12.7 DDEC IV
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeMid Roof Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.25 ratio
Stock Number6748
MLS Number12801620
CategorySleeper Semi Trucks
Last Updated8/23/2024
Location
Houston, TX, US
Sold By

Southern Truck Sales Ltd

Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual
12 0

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

Call for price
1281 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Wheel Base: 250, Tandem Rear Axles...
ConditionNew
Usage1,281 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb
Stock NumberWS4872
MLS Number13051647
CategorySleeper Semi Trucks
Last Updated8/22/2024
Location
Fort Kent, ME, US
Sold By

Freightliner of Maine

Western Star 49X Sleeper Semi Truck - Detroit 600HP, 18 Speed Manual
15 0

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

Call for price
1384 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Spring Suspension, Tandem Rear Axles, Rear Axle Weight: 46000 lb
ConditionNew
Usage1,384 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
SuspensionSpring
Rear AxleTandem Axle
Rear End46,000 lb
Stock NumberWS4852
MLS Number13038859
CategorySleeper Semi Trucks
Last Updated8/21/2024
Location
Fort Kent, ME, US
Sold By

Freightliner of Maine

Western Star 49X Sleeper Semi Truck - 36" Flat Top Sleeper, Detroit 600HP, 18 Speed Manual
12 0

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

Call 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, Wheel Base: 254,...
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
Stock NumberWS4863
MLS Number13056867
CategorySleeper Semi Trucks
Last Updated8/21/2024
Location
Fort Kent, ME, US
Sold By

Freightliner of Maine

Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual
15 0

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

Call for price
1085 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Wheel Base: 250, Tandem Rear Axles...
ConditionNew
Usage1,085 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb
Stock NumberWS4873
MLS Number13051483
CategorySleeper Semi Trucks
Last Updated8/21/2024
Location
Bangor, ME, US
Sold By

Freightliner of Maine

Kenworth ICON 900 Sleeper Semi Truck - 86" Mid Roof Sleeper, Detroit 500HP, 18 Speed Manual
43 0

2016 Kenworth ICON 900 Sleeper Semi Truck - 86" Mid Roof Sleeper, Detroit 500HP, 18 Speed Manual

$124,500 USD
GLIDER, 900 ICON LIMITED EDITION #116, CRATE DETROIT SERIES 60, 18SPD, ELOG EXEMPT, LEGACY SEATS, VIT INTERIOR, DOULE BUNK, 86" SLEEPR, MICROWAVE,VIRGIN RUBBER, CB RADIO, DOUBLE BUNK, READY...
ConditionUsed
Usage334,419 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power500 HP
Engine ModelDetroit SERIES 60 11.1 DDEC IV
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeMid Roof Sleeper
Sleeper Size86"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.25 ratio
Stock Number6751
MLS Number12889118
CategorySleeper Semi Trucks
Last Updated8/10/2024
Location
Houston, TX, US
Sold By

Southern Truck Sales Ltd

Western Star 4900FA Sleeper Semi Truck - 42" Flat Top Sleeper, Detroit 560HP, 18 Speed Manual
35 1

2020 Western Star 4900FA Sleeper Semi Truck - 42" Flat Top Sleeper, Detroit 560HP, 18 Speed Manual

Call for price
629826 Miles, Engine: DETROIT DD16, 560 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Sleeper Size: 42, Wheels: All...
ConditionUsed
Usage629,826 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power560 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
Sleeper Size42"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb 3.91 ratio
Stock Numberc-35593
MLS Number13040957
CategorySleeper Semi Trucks
Last Updated8/10/2024
Location
Champlain, NY, US
Sold By

Gamache Truck Center

Freightliner Coronado 122 SD Sleeper Semi Truck - Detroit 560HP, 18 Speed Manual
21 0

2013 Freightliner Coronado 122 SD Sleeper Semi Truck - Detroit 560HP, 18 Speed Manual

$37,900 USD
800230 Miles, Engine: DETROIT DD15, 560 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Tandem Rear Axles
ConditionUsed
Usage800,230 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power560 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission18 Speed Manual
Rear AxleTandem Axle
MLS Number12947764
CategorySleeper Semi Trucks
Last Updated6/22/2024
Location
Idaho Falls, ID, US
Sold By

Dad's Truck and Trailer Sales

Western Star 4900FA Sleeper Semi Truck - Detroit 600HP, 18 Speed Manual
23 0

2021 Western Star 4900FA Sleeper Semi Truck - Detroit 600HP, 18 Speed Manual

$39,000 USD
2021 WESTERN STAR 4900FA, DETROIT DD-16 600 HP, EATON-FULLER RTLO-18918B 18 SPD, MERITOR RT-46-164 46 000 LBS FULL LOCK, RATIO 4:10 BUMPER, HOOD, RAD KIT, CAB, FUEL TANK AND CAB GUARD ARE...
ConditionUsed
Usage328,272 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb 4.10 ratio
Stock NumberGX29280
MLS Number12761934
CategorySleeper Semi Trucks
Last Updated6/21/2024
Location
Champlain, NY, US
Sold By

Gamex

Western Star 4900 Sleeper Semi Truck - 34" Flat Top Sleeper, Detroit 560HP, 18 Speed Manual
11 0

2011 Western Star 4900 Sleeper Semi Truck - 34" Flat Top Sleeper, Detroit 560HP, 18 Speed Manual

$69,950 USD
Used Western Star 4900 SA Flat-top Sleeper for sale. Features: Air Ride Cab, Full Locking Rears, Dual Power Steering Boxes, Dual Exhaust Stacks, Stainless Air Cleaners, Hydraulic Heavy Duty...
ConditionUsed
Usage20,311 Hours
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power560 HP
Engine ModelDetroit DD11
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
Sleeper Size34"
SuspensionNeway
Rear AxleTandem Axle
Rear End46,000 lb 4.30 ratio
Stock Number22P066
MLS Number11860633
CategorySleeper Semi Trucks
Last Updated11/28/2023
Location
Coopersburg, PA, US
Sold By

Coopersburg & Liberty Kenworth

Freightliner Cascadia 125 Sleeper Semi Truck - 70" Mid Roof Sleeper, Detroit 505HP, 18 Speed Ultrashift Amt
11 0

2019 Freightliner Cascadia 125 Sleeper Semi Truck - 70" Mid Roof Sleeper, Detroit 505HP, 18 Speed Ultrashift Amt

$89,950 USD
Used Freightliner Cascadia sleeper for sale. Features: Air Ride Cab, Aluminum Half Rear Fenders, Single Exhaust, Stainless Mudflap Brackets, Aluminum Headache Rack, Hood Spot Mirror, 1-bed...
ConditionUsed
Usage9,357 Hours
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission18 Speed Ultrashift Automated
Sleeper TypeMid Roof Sleeper
Sleeper Size70"
SuspensionAirLiner
Rear AxleTandem Axle
Rear End40,000 lb 3.55 ratio
Stock Number22P151
MLS Number11436546
CategorySleeper Semi Trucks
Last Updated11/28/2023
Location
Coopersburg, PA, US
Sold By

Coopersburg & Liberty Kenworth

Freightliner FLD120 Classic Sleeper Semi Truck - 48" Flat Top Sleeper, Detroit 515HP, 18 Speed Manual
11 0

2007 Freightliner FLD120 Classic Sleeper Semi Truck - 48" Flat Top Sleeper, Detroit 515HP, 18 Speed Manual

$109,950 USD
Used 2007 Freightliner Classic 120 Sleeper for Sale. Features: Button Tuck Premium Interior, Rosewood Dashboard, Heated Chrome Moto Mirrors, New Steel Tires, Chrome Bumper, Stainless...
ConditionUsed
Usage10,445 Hours
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power515 HP
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
Sleeper Size48"
SuspensionAirLiner
Rear AxleTandem Axle
Rear End40,000 lb 3.58 ratio
Stock Number22P284
MLS Number12213435
CategorySleeper Semi Trucks
Last Updated9/21/2023
Location
Coopersburg, PA, US
Sold By

Coopersburg & Liberty Kenworth

Freightliner FLD120 Sleeper Semi Truck - Raised Roof Sleeper, Detroit, 18 Speed Manual
15 0

2001 Freightliner FLD120 Sleeper Semi Truck - Raised Roof Sleeper, Detroit, 18 Speed Manual

Call for price
2001 FREIGHTLINER FLD120, DETROIT SERIES 60, 18 SPEED, DS404 REAR AXLE 2.93 FRONT AXLE LIFTS, WIDE BASE TIRES,,
ConditionUsed
Duty ClassHeavy Duty Sleeper Semi Truck
Engine ModelDetroit SERIES 60 12.7 DDEC IV
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeRaised Roof Sleeper
SuspensionAirLiner
Rear AxleTandem Axle
Rear End40,000 lb 2.93 ratio
Stock NumberF96786-FL
MLS Number12138577
CategorySleeper Semi Trucks
Last Updated6/22/2023
Location
OGDEN, UT, US
Sold By

Rocky Mountain Truck Parts

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