12 Speed 6x4 Sleeper Semi Trucks with 450-499 HP For Sale in United States

(844) 900-___ SHOW
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49 1

2021 Peterbilt 579 Sleeper Semi Truck - 75" Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated

$52,900 USD

*** 8 NEW TIRES!!! *** VIRGIN 100% THREAD *** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** VIRGIN TIRES AUTOMATED 12 SPEED!!! ENGINE BRAKE, DEF, TC. Se Habla Español! NO...

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	75"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	L03002-8 NEW TIRES
MLS Number	13073887
Category	Sleeper Semi Trucks
Last Updated	10/17/2024
Location	Fontana, CA, US
Sold By	Diamond Truck Sales Inc

(844) 693-___ SHOW
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12 0

2018 Volvo VNL64T780 Sleeper Semi Truck - 77" Raised Roof Sleeper, D13 455HP, 12 Speed I Shift Automatic

$36,500 USD

BRAND NEW CLUTCH!! Ready to hit the road and go to work! First Class 8 Truck Sales is a full-service dealer offering high quality equipment, premium financing options, and an excellent...

Condition	Used
Usage	669,969 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Volvo D13
Drivetrain	6x4
Transmission	12 Speed I Shift Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	77"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	173
MLS Number	12843800
Category	Sleeper Semi Trucks
Last Updated	10/11/2024
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

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14 0

2016 Freightliner Cascadia 125 Evolution Sleeper Semi Truck

$38,900 USD

2016 Freightliner Cascadia 125 High Rise Sleeper, Detroit DD15 6 Cylinder 14.8 L Ultra Low Sulfur Diesel 475/505 HP Engine, Detroit DT12, 12 Speed Automated Transmission, 2017 US EPA Label,...

Condition	Used
Usage	12,817 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Detroit Detroit Diesel DD15 EV
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Hi Rise Sleeper
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	250301
MLS Number	13104685
Category	Sleeper Semi Trucks
Last Updated	10/17/2024
Location	Mcdonough, GA, US
Sold By	The Truck and Trailer Connection INC

(855) 560-___ SHOW
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17 0

2016 Freightliner Cascadia 125 Evolution Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$31,900 USD

2016 Freightliner Cascadia Evolution, 12 Speed Automatic, Lots of work done to this truck recently including head gaskets, turbo and more and it is ready to go!!,

Condition	Used
Usage	714,019 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	2.47 ratio
MLS Number	12963381
Category	Sleeper Semi Trucks
Last Updated	9/25/2024
Location	Ravenel, SC, US
Sold By	Ravenel Truck & Equipment

18 1

2020 Freightliner Cascadia Sleeper Semi Truck

Recently Updated

$46,950 USD

HD Certified Fleet Maintained 2020 Freightliner Cascadia, DD15, Automatic, Tri-Pac APU ,92 Point Dealer Inspection, Passing Dot, Complete Detail with New Mattress, 6 Month 50,000 Mile...

Warranty

Condition	Used
Usage	486,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit Detroit Diesel DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	HP3197
MLS Number	13033197
Category	Sleeper Semi Trucks
Last Updated	10/18/2024
Location	Strafford, MO, US
Sold By	HD Trucks LLC

1 0

2020 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, A26 450HP, 12 Speed

Newly Listed

$31,000 USD

Inspection Report

Condition	Used
Usage	432,685 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Hi Rise Sleeper
Sleeper Size	56"
Suspension	Air Ride
Rear End	40,000 lb 2.64 ratio
Stock Number	499939
MLS Number	13184234
Category	Sleeper Semi Trucks
Last Updated	10/18/2024
Location	Charlotte, NC, US
Sold By	International Motors, LLC

1 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

Newly Listed

$59,000 USD

Inspection Report

Condition	Used
Usage	394,300 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.64 ratio
Stock Number	499386
MLS Number	13184227
Category	Sleeper Semi Trucks
Last Updated	10/18/2024
Location	Charlotte, NC, US
Sold By	International Motors, LLC

1 0

2021 International LT625 Sleeper Semi Truck - 73" Hi Rise Sleeper, A26 450HP, 12 Speed

Newly Listed

$44,000 USD

Inspection Report

Condition	Used
Usage	500,804 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Hi Rise Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.64 ratio
Stock Number	498393
MLS Number	13184202
Category	Sleeper Semi Trucks
Last Updated	10/18/2024
Location	Charlotte, NC, US
Sold By	International Motors, LLC

1 0

2020 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, A26 450HP, 12 Speed

Newly Listed

$38,000 USD

Condition	Used
Usage	494,023 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	40,000 lb 2.79 ratio
Stock Number	492823
MLS Number	13184191
Category	Sleeper Semi Trucks
Last Updated	10/18/2024
Location	Charlotte, NC, US
Sold By	International Motors, LLC

(844) 900-___ SHOW
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47 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

Recently Updated

$49,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** AUTOMATIC 12 SPEED DIRECT DRIVE!!! ENGINE BRAKE, DEF, MINI FRIDGE, SLEEPER WINDOW, Se Habla Español! NO CREDIT? BAD CREDIT? NO...

Condition	Used
Usage	568,474 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	B03118-DELIVERY 2 U
MLS Number	13149704
Category	Sleeper Semi Trucks
Last Updated	10/18/2024
Location	Bakersfield, CA, US
Sold By	Diamond Truck Sales Inc

(855) 982-___ SHOW
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5 0

2025 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, 12 Speed Amt

Recently Updated

$209,950 USD

New Kenworth T680 Raised-roof Sleeper for sale. Features: 245-gallon Fuel Capacity, Espar Bunk Heater, Adjustable/telescopic Steering Column, Heated Air Ride Driver's Seat,...

Condition	New
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	AG 400L
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	173355
MLS Number	13135359
Category	Sleeper Semi Trucks
Last Updated	10/18/2024
Location	Swedesboro, NJ, US
Sold By	Coopersburg & Liberty Kenworth

36 0

2022 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, 455HP, 12 Speed Amt

Recently Updated

$73,900 USD

2022 Kenworth T680 Next Gen – Tons of Warranty left! Factory Warranty Remaining! 4 Year / 500k Engine Aftertreatment, 5 Year / 750k Transmission, 4 Year / 500k Chassis Frame wiring, 3...

Condition	Used
Usage	292,814 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.85 ratio
Stock Number	148752
MLS Number	13110200
Category	Sleeper Semi Trucks
Last Updated	10/18/2024
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

33 0

2021 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Paccar 455HP, 12 Speed Automatic

Recently Updated

$49,900 USD

2021 Kenworth T680 – LOW MILES!! 1 Owner Fleet Maintained Truck! Only 303k Miles! Paccar MX-13 455 HP Engine, Paccar 12 Speed Automatic Transmission, Double Bunk Condo Sleeper! This...

Condition	Used
Usage	303,623 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.79 ratio
Stock Number	460744
MLS Number	13042878
Category	Sleeper Semi Trucks
Last Updated	10/18/2024
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

28 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 450HP, 12 Speed Dt12 Automatic

Recently Updated

$68,900 USD

2021 Freightliner Cascadia 126 – LOW MILES!! Only 273k miles! Cummins X15 450HP Engine, Eaton Endurant Automatic Transmission, Mid Roof XT Sleeper, APU! This truck has been serviced and...

Condition	Used
Usage	273,600 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.79 ratio
Stock Number	MN2893
MLS Number	13040410
Category	Sleeper Semi Trucks
Last Updated	10/18/2024
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

31 0

2021 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Paccar 455HP, 12 Speed Amt

Recently Updated

$49,900 USD

2021 Kenworth T680 - LOW MILES!! 1 Owner Fleet Maintained Truck! Only 332k Miles! Paccar MX-13 455 HP Engine, Paccar 12 Speed Automatic Transmission, Double Bunk Condo Sleeper! This truck...

Condition	Used
Usage	332,569 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	462169
MLS Number	12998690
Category	Sleeper Semi Trucks
Last Updated	10/18/2024
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

31 0

2021 Peterbilt 579 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Recently Updated

$59,900 USD

2021 Peterbilt 579 - 1 Owner Fleet Maintained Truck! LOW MILES!! CUMMINS ENGINE! This truck is extremely nice! Cummins X15 Engine, Eaton Endurant 12 Speed Automatic, Only 372k Miles! This...

Condition	Used
Usage	372,436 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.79 ratio
Stock Number	756221
MLS Number	12892200
Category	Sleeper Semi Trucks
Last Updated	10/18/2024
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

(833) 970-___ SHOW
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19 0

2020 International LT Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Price Drop

$39,900 USD

Balance of 5YR/500K engine @ Aftertreatment till 9/24/24, Collision Mitigation, Double bunk, Smart wheel

Condition	Used
Usage	381,672 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	272854
MLS Number	12876763
Category	Sleeper Semi Trucks
Last Updated	10/18/2024
Location	Lancaster, PA, US
Sold By	Hunter Truck

(844) 912-___ SHOW
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31 1

2020 International LT Sleeper Semi Truck - Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Price Drop

$39,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, AUTOMATIC!!!!, TRAILER BRAKE, SIDE FAIRINGS, LIQUID DEF Se Habla Espanol! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7 DAYS A...

Condition	Used
Usage	314,483 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	H01176-DELIVERY 2 U
MLS Number	12707881
Category	Sleeper Semi Trucks
Last Updated	10/18/2024
Location	Houston, TX, US
Sold By	Diamond Truck Sales Inc

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13 0

2017 Freightliner Cascadia 125 Evolution Sleeper Semi Truck

Recently Updated

$32,900 USD

2017 Freightliner Cascadia 125 High Rise Sleeper, Detroit DD15 6 Cylinder 14.8 L Ultra Low Sulfur Diesel 455 hp Engine, Detroit DT12, 12spd Automated Transmission, 2017 US EPA Label,...

Condition	Used
Usage	1,100 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit Detroit Diesel DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Hi Rise Sleeper
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	250280
MLS Number	13104671
Category	Sleeper Semi Trucks
Last Updated	10/17/2024
Location	Mcdonough, GA, US
Sold By	The Truck and Trailer Connection INC

19 0

2017 Freightliner Cascadia Sleeper Semi Truck

Recently Updated

$23,500 USD

HD Certified Fleet Maintained, 2017 Freightliner Cascadia, DD15, 455HP, Automatic ,92 Point Dealer Inspection, Passing Dot, Complete Detail with New Mattress, 6 Month 50,000 Mile Engine...

Warranty

Condition	Used
Usage	719,962 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit Detroit Diesel DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	HP1002
MLS Number	12961002
Category	Sleeper Semi Trucks
Last Updated	10/18/2024
Location	Strafford, MO, US
Sold By	HD Trucks LLC

(855) 910-___ SHOW
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9 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

Newly Listed

$44,500 USD

New Style Cascadia, N.A.P.,Air Release 5th Wheel, Auto Trans, Espar Bunk Heater, Invertor, Jumper Posts, LED Lights, Fridge, Sliding 5th Wheel, Well maintained fleet truck!,

Condition	Used
Usage	481,650 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Stock Number	3357
MLS Number	13181865
Category	Sleeper Semi Trucks
Last Updated	10/17/2024
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(855) 492-___ SHOW
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4 0

2019 Freightliner Cascadia Sleeper Semi Truck - 72" Mid Roof, Detroit 505HP, 12 Speed

Recently Updated

$38,250 USD

Inspection Report

Condition	Used
Usage	502,675 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Size	72"
Suspension	Air Ride
Rear End	40,000 lb 2.41 ratio
Stock Number	494640
MLS Number	12844823
Category	Sleeper Semi Trucks
Last Updated	10/17/2024
Location	Indianapolis, IN, US
Sold By	International Motors, LLC

18 1

2020 Peterbilt 579 Sleeper Semi Truck

Recently Updated

$44,950 USD

HD Certified Fleet Maintained 2020 Peterbilt 579, APU, Double Bunk ,92 Point Dealer Inspection, Passing Dot, Complete Detail with New Mattress, 6 Month 50,000 Mile Engine Aftertreatment,...

Warranty

Condition	Used
Usage	10,127 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX13
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	80"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.93 ratio
Stock Number	HP7158
MLS Number	13107158
Category	Sleeper Semi Trucks
Last Updated	10/18/2024
Location	Strafford, MO, US
Sold By	HD Trucks LLC

18 1

2019 Peterbilt 579 Sleeper Semi Truck

Recently Updated

$41,950 USD

HD Certified 2019 Pete 579, Fleet Maintained, 92 Point Dealer Inspection, Complete Passing Dot, Full Detail With New Mattress, Multiple Units Available, 6 Month 50,000 Mile Warranty ,...

Warranty

Condition	Used
Usage	8,770 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX13
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	80"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.93 ratio
Stock Number	HP7118
MLS Number	13107118
Category	Sleeper Semi Trucks
Last Updated	10/17/2024
Location	Strafford, MO, US
Sold By	HD Trucks LLC