6x4 Flat Top Sleeper Semi Trucks with Paccar Engines For Sale

2020 Kenworth T680 Sleeper Semi Truck - Flat Top Sleeper, Paccar 405HP, Automatic

Price Drop $34,990 USD

2020 Kenworth T680 Specs:, -Drive: 6x4, -Mileage: 557,742, -Engine: Paccar MX-13, -HP:405, -Color: Blue, -Wheels: Aluminum, -Tires: 22.5LP, THE NATIONWIDE HAUL EDGE - We finance All...

Condition	Used
Usage	557,742 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	405 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	TNHC36781MAC Web
MLS Number	14007862
Category	Sleeper Semi Trucks
Last Updated	1/13/2026
Location	Macon, GA, US
Sold By	Nationwide Haul

2020 Kenworth T680 Sleeper Semi Truck - Flat Top Sleeper, Paccar 405HP, Automatic

Price Drop $34,990 USD

2020 Kenworth T680 Specs:, -Drive: 6x4, -Mileage: 557,742, -Engine: Paccar MX-13, -HP:405, -Color: Blue, -Wheels: Aluminum, -Tires: 22.5LP, THE NATIONWIDE HAUL EDGE - We finance All...

Condition	Used
Usage	557,742 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	405 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	TNHC36781MAC
MLS Number	14007858
Category	Sleeper Semi Trucks
Last Updated	1/13/2026
Location	Macon, GA, US
Sold By	Nationwide Haul

(609) 318-___ SHOW
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2020 Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Paccar 455HP, 12 Speed Amt

Newly Listed

$52,900 USD

READY FOR WORK!,

Condition	Used
Usage	354,836 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	Flat Top Sleeper
Sleeper Size	40"
Suspension	8 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	285286
MLS Number	14081928
Category	Sleeper Semi Trucks
Last Updated	1/13/2026
Location	Millstone Township, NJ, US
Sold By	Hunter Truck

(844) 481-___ SHOW
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2019 Peterbilt 389 Sleeper Semi Truck - Flat Top Sleeper, Paccar 485HP, 13 Speed Manual

$78,500 USD

2019 PETERBILT 389 FLATTOP, SOLID WHITE, PACCAR MX-13 485 HP, DUAL STACK, DUAL BREATHER, 40K REARS, 13PD MANUAL TRANSMISSION, AIR RIDE SUSPENSION, 11R24.5, ALUMINUM WHEELS, SLIDING FIFTH...

Condition	Used
Usage	636,538 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	485 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	14025410
Category	Sleeper Semi Trucks
Last Updated	12/30/2025
Location	Jackson, TN, US
Sold By	Snider Equipment

(833) 801-___ SHOW
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2015 Kenworth T660 Sleeper Semi Truck - 72" Flat Top Sleeper, Paccar 485HP, 13 Speed Manual

$20,000 USD

SUPER NICE TRUCK, RUNS AND DRIVES EXCELLENT, VIT INTERIOR. DUAL AIR RIDE SEATS, POWER WINDOWS, TILT/TELE, DUMP VALVE, DIFFERENTIAL LOCK, SLIDING 5TH WHEEL! *DELETED EMISSIONS,

Condition	Used
Usage	1,130,308 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	485 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	15MX113FLATT6
MLS Number	13822795
Category	Sleeper Semi Trucks
Last Updated	12/30/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

2020 Peterbilt 567 Sleeper Semi Truck - Flat Top Sleeper, Paccar 455HP, 13 Speed Manual

$63,000 USD

2020 Peterbilt 567 Flat Top Sleeper 458K Miles, Eaton Fuller 13 Speed, Paccar MX 13 engine, 455HP, 52k GVW,

Condition	Used
Usage	458,189 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	13781628
Category	Sleeper Semi Trucks
Last Updated	12/14/2025
Location	Santa Rosa, CA, US
Sold By	Personal Asset Brokerage

(855) 489-___ SHOW
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2020 Peterbilt 579 Sleeper Semi Truck - 44" Flat Top Sleeper, Paccar 455HP, 12 Speed Endurant Amt

$38,000 USD

Includes 6 month/50k Mile Premium 2000 Warranty (Engine, Turbo, Injectors, Aftertreatment), 455hp with Endurant 12 Speed Transmission, 44" Flat Top Sleeper,

Condition	Used
Usage	618,718 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Flat Top Sleeper
Sleeper Size	44"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.64 ratio
Stock Number	2188
MLS Number	13987056
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

(855) 489-___ SHOW
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2020 Peterbilt 579 Sleeper Semi Truck - 44" Flat Top Sleeper, Paccar 455HP, 12 Speed Endurant Amt

$39,000 USD

Price Includes 6 month/50k Mile Premium 2000 Warranty (Engine, Turbo, Injectors, Aftertreatment), 455hp with Endurant 12 Speed Transmission, 44" Flat Top Sleeper,

Condition	Used
Usage	589,489 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Flat Top Sleeper
Sleeper Size	44"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.64 ratio
Stock Number	2144
MLS Number	13862637
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

2023 Kenworth T680 Sleeper Semi Truck - Flat Top Sleeper, Paccar 405HP, Automatic

$69,900 USD

2023 Kenworth T680 Specs:, -Mileage: 390,655, -Drive: 6x4, -Engine: Paccar MX-13, -Transmission: Automatic, -Wheels: All Aluminum, -Dual Tires, -Single Bunk Sleeper, -HP:405, -Color:Blue...

Condition	Used
Usage	390,655 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	405 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	TNHC35938LAK Web
MLS Number	14020283
Category	Sleeper Semi Trucks
Last Updated	12/6/2025
Location	Lakeland, FL, US
Sold By	Nationwide Haul

2023 Kenworth T680 Sleeper Semi Truck - Flat Top Sleeper, Paccar 405HP, Automatic

$69,900 USD

2023 Kenworth T680 Specs:, -Mileage: 390,655, -Drive: 6x4, -Engine: Paccar MX-13, -Transmission: Automatic, -Wheels: All Aluminum, -Dual Tires, -Single Bunk Sleeper, -HP:405, -Color:Blue...

Condition	Used
Usage	390,655 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	405 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	TNHC35938LAK
MLS Number	14020282
Category	Sleeper Semi Trucks
Last Updated	12/6/2025
Location	Lakeland, FL, US
Sold By	Nationwide Haul

(716) 218-___ SHOW
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2020 Peterbilt 389 Sleeper Semi Truck - 44" Flat Top Sleeper, Paccar 510HP, 18 Speed Manual

$72,900 USD

MX 13 510 HP,18SPD TRANS,13200 FRT,46000 RR,3.58 RATIO,AIR TRAC SUSP,44: SLEEPER,492703 MILES,

Condition	Used
Usage	492,703 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	44"
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.58 ratio
Stock Number	245252
MLS Number	13852842
Category	Sleeper Semi Trucks
Last Updated	12/6/2025
Location	Buffalo, NY, US
Sold By	Hunter Truck

(716) 218-___ SHOW
NUMBERCall Seller

2020 Peterbilt 389 Sleeper Semi Truck - 44" Flat Top Sleeper, Paccar 510HP, 18 Speed Manual

$69,900 USD

PACCAR MX 13 510HP,132000 FRONT AXLE,40000 REAR AXLE.3.58 RATIO,ALUM WHLS,FULL LOCKERS,18SPD TRANS,,

Condition	Used
Usage	435,846 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	44"
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	213226
MLS Number	13711878
Category	Sleeper Semi Trucks
Last Updated	12/6/2025
Location	Buffalo, NY, US
Sold By	Hunter Truck

(888) 227-___ SHOW
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2025 Peterbilt 589 Sleeper Semi Truck - Paccar 510HP

Contact for price

72" LR SLEEPER - TANDEM DRIVE, EngineType: MX-13, EngineMake: PACCAR, PowerType: Diesel, Weight: 53,200, Cab: Highway Tractor,

Condition	New
Usage	31 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Drivetrain	6x4
Sleeper Type	Flat Top Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	SD745690
MLS Number	13352775
Category	Sleeper Semi Trucks
Last Updated	12/3/2025
Location	Ayr, ON, Canada
Sold By	Brandt

(888) 227-___ SHOW
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2025 Peterbilt 589 Sleeper Semi Truck - Paccar 510HP

Contact for price

TANDEM AXLES WITH SPEED INTERLOCK, PETERBILT FRONT AIR LEAF 13,200 LBS EngineType: MX-13, EngineMake: PACCAR, PowerType: Diesel, Weight: 53,200, Cab: Highway Tractor,

Condition	New
Usage	17 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Drivetrain	6x4
Sleeper Type	Flat Top Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	SD745692
MLS Number	13203730
Category	Sleeper Semi Trucks
Last Updated	12/3/2025
Location	London, ON, Canada
Sold By	Brandt

(888) 227-___ SHOW
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2025 Peterbilt 567 Sleeper Semi Truck - 44" Flat Top Sleeper, Paccar 510HP

Contact for price

44" LOW ROOF, TANDEM AXLES WITH SPEED INTERLOCK, TAPER LEAF SPRINGS, SHOCKS 16,000 LBS EngineType: MX-13, EngineMake: PACCAR, PowerType: Diesel, Weight: 62,000,

Condition	New
Usage	17 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Drivetrain	6x4
Sleeper Type	Flat Top Sleeper
Sleeper Size	44"
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.91 ratio
Stock Number	SD703200
MLS Number	13135416
Category	Sleeper Semi Trucks
Last Updated	12/3/2025
Location	London, ON, Canada
Sold By	Brandt

2013 Peterbilt 384 Sleeper Semi Truck - Flat Top Sleeper, Paccar 455HP, 10 Speed Manual

$27,000 USD

2013 Peterbilt 384 Flat Top Sleeper California CARB Compliant, New Dual Drive Tires Paccar MX13 Engine, 594k Miles, 10 Speed, Locker,

Condition	Used
Usage	22,856 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	13781558
Category	Sleeper Semi Trucks
Last Updated	11/26/2025
Location	Santa Rosa, CA, US
Sold By	Personal Asset Brokerage

2015 Peterbilt 579 Sleeper Semi Truck - Flat Top Sleeper, Paccar 455HP, 10 Speed Manual

$53,000 USD

2015 Peterbilt 579 Flat Top Sleeper 565k Miles on new engine installed. 724k MIles on Chassis Paccar MX13 Engine, Eaton Fuller 10 Speed, 50k Lb GVW, Wet Kit, Well maintained and ready for...

Condition	Used
Usage	565,493 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	13773351
Category	Sleeper Semi Trucks
Last Updated	11/26/2025
Location	Santa Rosa, CA, US
Sold By	Personal Asset Brokerage

2015 Peterbilt 579 Sleeper Semi Truck - Flat Top Sleeper, Paccar 500HP, 13 Speed Manual

$27,500 USD

2015 Peterbilt 579 Flat Top Sleeper Well cared for and ready for work Paccar 500HP Engine, 792k miles, Eaton Fuller 13 Speed, Diff Lock Full stack of maintenance records,

Condition	Used
Usage	21,137 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Paccar
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	13870654
Category	Sleeper Semi Trucks
Last Updated	11/8/2025
Location	Santa Rosa, CA, US
Sold By	Personal Asset Brokerage

(609) 318-___ SHOW
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2025 Peterbilt 567 Sleeper Semi Truck - 44" Flat Top Sleeper, Paccar 510HP, 18 Speed Autoshift Amt

Contact for price

PTO / Wet Line installed - 3 available,

Quantity	5
Condition	New
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	18 Speed Autoshift Automated
Sleeper Type	Flat Top Sleeper
Sleeper Size	44"
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.70 ratio
Stock Number	275516
MLS Number	13421358
Category	Sleeper Semi Trucks
Last Updated	9/17/2025
Location	Millstone Township, NJ, US
Sold By	Hunter Truck

(833) 801-___ SHOW
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2013 Peterbilt 388 Sleeper Semi Truck - Flat Top Sleeper, Paccar 490HP, 13 Speed Manual

$45,000 USD

GOOD TRUCK, RUNS GREAT, FULL GAUGE PACKAGE, FULL LOCKING REARS, DUAL EXHAUST, DUAL BREATHERS, DUAL AIR RIDE SEATS, TILT/TELE, POWER WINDOWS, POWER MIRRORS, HEATED MIRRORS,,

Condition	Used
Usage	589,133 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	490 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	13MX589FLAT388
MLS Number	13755641
Category	Sleeper Semi Trucks
Last Updated	11/10/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(833) 300-___ SHOW
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2022 Peterbilt 367 Sleeper Semi Truck - 36" Flat Top Sleeper, Paccar 510HP, 18 Speed Ultrashift Amt

Contact for price

Transmission model: FO18E318B-MXP ULTRASHIFT,

Condition	Used
Usage	8,256 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	18 Speed Ultrashift Automated
Sleeper Type	Flat Top Sleeper
Sleeper Size	36"
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	C-35965
MLS Number	13374588
Category	Sleeper Semi Trucks
Last Updated	5/8/2025
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center