New 12 Speed Flat Top Sleeper Semi Trucks For Sale

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1-17 of 17 results
Western Star 57X Sleeper Semi Truck - 72" Mid Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt
21 0

2025 Western Star 57X Sleeper Semi Truck - 72" Mid Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

Recently Updated
Call for price
DETROIT ASSURANCE, ACTIVE BRAKE ASSIST 5, WITH ADAPTIVE CRUISE, CONTROL TO 0 MPH AND ADJUSTABLE HEADWAY. DETROIT ACTIVE SIDE GUARD ASSIST. DETROIT LANE DEPARTURE WARNING SYSTEM WITH...
ConditionNew
Usage586 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automated
Sleeper TypeFlat Top Sleeper
Sleeper Size72"
SuspensionAirLiner
Rear AxleTandem Axle
Rear End40,000 lb
Stock Number100583
MLS Number13603582
CategorySleeper Semi Trucks
Last Updated7/30/2025
Location
Louisville, KY, US
Sold By

Boyd Truck Centers

Western Star 49X Sleeper Semi Truck - 60" Mid Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt
9 0

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

Recently Updated
$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

Western Star 49X Sleeper Semi Truck - 60" Mid Roof Sleeper, Detroit 600HP, 12 Speed Dt12 Amt
10 0

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

Recently Updated
$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 Updated8/1/2025
Location
Bowling Green, KY, US
Sold By

Boyd Truck Centers

Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Paccar 510HP, 12 Speed Amt
11 0

2025 Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Paccar 510HP, 12 Speed Amt

$192,950 USD
PRICE INCLUDES FET. New Kenworth T880 Low-Roof Sleeper for Sale. Features: 40" Low-Roof, Slate Gray Interior, AM/FMWB/USB and Bluetooth Radio, Power Door Locks and Windows, and more....
ConditionNew
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power510 HP
Engine ModelPaccar MX-13
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeFlat Top Sleeper
Sleeper Size40"
SuspensionAG 400L
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number130997
MLS Number12815827
CategorySleeper Semi Trucks
Last Updated7/23/2025
Location
Coopersburg, PA, US
Sold By

Coopersburg & Liberty Kenworth

Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Cummins 500HP, 12 Speed Endurant Amt
10 0

2025 Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Cummins 500HP, 12 Speed Endurant Amt

$194,950 USD
PRICE INCLUDES FET. New 2025 Kenworth T880 Sleeper Truck for Sale. Features: 40" Low Roof Sleeper, 90-Gallon Fuel Capacity, Stainless Steel Sunvisor, Tapered Aluminum Bumper, Stainless Steel...
ConditionNew
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power500 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeFlat Top Sleeper
Sleeper Size40"
SuspensionAG 400L
Rear AxleTandem Axle
Rear End40,000 lb 3.25 ratio
Stock Number160951
MLS Number13279541
CategorySleeper Semi Trucks
Last Updated5/21/2025
Location
Coopersburg, PA, US
Sold By

Coopersburg & Liberty Kenworth

Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Cummins 500HP, 12 Speed Endurant Amt
10 0

2025 Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Cummins 500HP, 12 Speed Endurant Amt

$194,950 USD
PRICE INCLUDES FET. New 2025 Kenworth T880 Sleeper Truck for Sale. Features: 40" Low Roof Sleeper, 90-Gallon Fuel Capacity, Stainless Steel Sunvisor, Tapered Aluminum Bumper, Stainless Steel...
ConditionNew
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power500 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeFlat Top Sleeper
Sleeper Size40"
SuspensionAG 400L
Rear AxleTandem Axle
Rear End40,000 lb 3.25 ratio
Stock Number160950
MLS Number13279539
CategorySleeper Semi Trucks
Last Updated5/21/2025
Location
Coopersburg, PA, US
Sold By

Coopersburg & Liberty Kenworth

Kenworth W990 Sleeper Semi Truck - 40" Flat Top Sleeper, Cummins 500HP, 12 Speed Endurant Amt
5 0

2025 Kenworth W990 Sleeper Semi Truck - 40" Flat Top Sleeper, Cummins 500HP, 12 Speed Endurant Amt

$214,950 USD
PRICE INCLUDES FET. New 2025 Kenworth W990 Sleeper Truck for Sale. Features: 40" Low-Roof Sleeper, 220-Gallon Fuel Capacity, Dual Exhaust Stacks, Stainless Steel Sunvisor, Chrome Bumper,...
ConditionNew
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power500 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeFlat Top Sleeper
Sleeper Size40"
SuspensionAG 400L
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number174418
MLS Number13272913
CategorySleeper Semi Trucks
Last Updated5/21/2025
Location
Swedesboro, NJ, US
Sold By

Coopersburg & Liberty Kenworth

Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Paccar 455HP, 12 Speed Automatic
11 0

2025 Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Paccar 455HP, 12 Speed Automatic

$189,950 USD
PRICE INCLUDES FET. New 2025 Kenworth T880 Sleeper for Sale. Features: 40" Flat-Top Sleeper, Dual Exhaust Stack, Tapered Aluminum Bumper, Stainless Steel Quarter Fenders, Stainless Steel...
ConditionNew
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelPaccar MX-13
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeFlat Top Sleeper
Sleeper Size40"
SuspensionAG 400L
Rear AxleTandem Axle
Rear End40,000 lb 3.25 ratio
Stock Number160646
MLS Number13261968
CategorySleeper Semi Trucks
Last Updated5/21/2025
Location
Coopersburg, PA, US
Sold By

Coopersburg & Liberty Kenworth

Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Paccar 455HP, 12 Speed Automatic
11 0

2025 Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Paccar 455HP, 12 Speed Automatic

$189,950 USD
PRICE INCLUDES FET. New 2025 Kenworth T880 Sleeper for Sale. Features: 40" Flat-Top Sleeper, Dual Exhaust Stack, Tapered Aluminum Bumper, Stainless Steel Quarter Fenders, Stainless Steel...
ConditionNew
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelPaccar MX-13
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeFlat Top Sleeper
Sleeper Size40"
SuspensionAG 400L
Rear AxleTandem Axle
Rear End40,000 lb 3.25 ratio
Stock Number160645
MLS Number13241484
CategorySleeper Semi Trucks
Last Updated5/21/2025
Location
Coopersburg, PA, US
Sold By

Coopersburg & Liberty Kenworth

Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Paccar 455HP, 12 Speed Automatic
11 0

2025 Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Paccar 455HP, 12 Speed Automatic

$189,950 USD
PRICE INCLUDES FET. New 2025 Kenworth T880 Sleeper for Sale. Features: 40" Flat-Top Sleeper, Dual Exhaust Stack, Tapered Aluminum Bumper, Stainless Steel Quarter Fenders, Stainless Steel...
ConditionNew
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelPaccar MX-13
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeFlat Top Sleeper
Sleeper Size40"
SuspensionAG 400L
Rear AxleTandem Axle
Rear End40,000 lb 3.25 ratio
Stock Number160644
MLS Number13241482
CategorySleeper Semi Trucks
Last Updated5/21/2025
Location
Coopersburg, PA, US
Sold By

Coopersburg & Liberty Kenworth

Kenworth W990 Sleeper Semi Truck - 40" Flat Top Sleeper, Cummins 500HP, 12 Speed Endurant Amt
6 0

2025 Kenworth W990 Sleeper Semi Truck - 40" Flat Top Sleeper, Cummins 500HP, 12 Speed Endurant Amt

$214,950 USD
PRICE INCLUDES FET. New Kenworth W990 Flat-top Sleeper for sale. Features: Dual Exhaust, 220-gallon Fuel Capacity, Espar Bunk Heater, Slate Gray Diamond VIT Interior, Heated Leather Driver's...
ConditionNew
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power500 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeFlat Top Sleeper
Sleeper Size40"
SuspensionAG 400L
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number174420
MLS Number13213023
CategorySleeper Semi Trucks
Last Updated5/21/2025
Location
Swedesboro, NJ, US
Sold By

Coopersburg & Liberty Kenworth

Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Paccar 455HP, 12 Speed Manual
11 0

2025 Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Paccar 455HP, 12 Speed Manual

$184,950 USD
PRICE INCLUDES FET. New Kenworth T880 Flat Top Sleeper for sale. Features: Dual Exhaust, Dual Fuel Tanks, 210-gallon Fuel Capacity, Power Locks and Windows, Espar Bunk Heater, Heated...
ConditionNew
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelPaccar MX-13
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeFlat Top Sleeper
Sleeper Size40"
SuspensionAG 400L
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number158219
MLS Number12878676
CategorySleeper Semi Trucks
Last Updated5/21/2025
Location
Swedesboro, NJ, US
Sold By

Coopersburg & Liberty Kenworth

Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Paccar 510HP, 12 Speed Amt
11 0

2025 Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Paccar 510HP, 12 Speed Amt

$192,950 USD
PRICE INCLUDES FET. New Kenworth T880 Low-Roof Sleeper for Sale. Features: 40" Low-Roof, Slate Gray Interior, AM/FMWB/USB and Bluetooth Radio, Power Door Locks and Windows, and more....
ConditionNew
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power510 HP
Engine ModelPaccar MX-13
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeFlat Top Sleeper
Sleeper Size40"
SuspensionAG 400L
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number130998
MLS Number12815869
CategorySleeper Semi Trucks
Last Updated5/21/2025
Location
Coopersburg, PA, US
Sold By

Coopersburg & Liberty Kenworth

Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Paccar 455HP, 12 Speed Automatic
11 0

2025 Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Paccar 455HP, 12 Speed Automatic

$184,950 USD
PRICE INCLUDES FET. New Kenworth T880 Flat-top Sleeper for sale. MULTIPLE UNITS AVAILABLE! Features: 40 in. Sleeper Cab with Single Liftable Bunk, Dual Exhaust, Dual Fuel Tanks, 220 Gallon...
ConditionNew
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelPaccar MX-13
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeFlat Top Sleeper
Sleeper Size40"
SuspensionAG 400L
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number127912
MLS Number12701852
CategorySleeper Semi Trucks
Last Updated5/21/2025
Location
Coopersburg, PA, US
Sold By

Coopersburg & Liberty Kenworth

Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Paccar 455HP, 12 Speed Automatic
11 0

2025 Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Paccar 455HP, 12 Speed Automatic

$184,950 USD
PRICE INCLUDES FET. New Kenworth T880 Flat-top Sleeper for sale. MULTIPLE UNITS AVAILABLE! Features: 40 in. Sleeper Cab with Single Liftable Bunk, Dual Exhaust, Dual Fuel Tanks, 220 Gallon...
ConditionNew
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelPaccar MX-13
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeFlat Top Sleeper
Sleeper Size40"
SuspensionAG 400L
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number127911
MLS Number12701847
CategorySleeper Semi Trucks
Last Updated5/21/2025
Location
Coopersburg, PA, US
Sold By

Coopersburg & Liberty Kenworth

Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Paccar 455HP, 12 Speed Automatic
11 0

2025 Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Paccar 455HP, 12 Speed Automatic

$184,950 USD
PRICE INCLUDES FET. New Kenworth T880 Flat-top Sleeper for sale. MULTIPLE UNITS AVAILABLE! Features: 40 in. Sleeper Cab with Single Liftable Bunk, Dual Exhaust, Dual Fuel Tanks, 220 Gallon...
ConditionNew
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelPaccar MX-13
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeFlat Top Sleeper
Sleeper Size40"
SuspensionAG 400L
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number127910
MLS Number12701838
CategorySleeper Semi Trucks
Last Updated5/21/2025
Location
Coopersburg, PA, US
Sold By

Coopersburg & Liberty Kenworth

Peterbilt 567 Sleeper Semi Truck - 44" Flat Top Sleeper, Cummins 525HP, 12 Speed Endurant Amt
7 0

2025 Peterbilt 567 Sleeper Semi Truck - 44" Flat Top Sleeper, Cummins 525HP, 12 Speed Endurant Amt

Call for price
Engine: CUMMINS X15, 525 HP, Fuel Type: Diesel, 12 Speed Endurant AMT Transmission, Drive: 6x4, Low Air Suspension, Sleeper Type: Flat Top Sleeper, Sleeper Size: 44, Wheels: Polished...
Quantity2
ConditionNew
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power525 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeFlat Top Sleeper
Sleeper Size44"
SuspensionLow Air
Rear AxleTandem Axle
Rear End40,000 lb 3.90 ratio
Stock Number276482
MLS Number13282524
CategorySleeper Semi Trucks
Last Updated12/14/2024
Location
Millstone Township, NJ, US
Sold By

Hunter Truck

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