Used Tandem Axle 6x4 Sleeper Semi Trucks For Sale

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

$58,995 USD

2021 FREIGHTLINER CASCADIA 126, DETROIT DD15 LOW ENGINE HOURS, DETROIT DT12 AUTOMATIC TRANSMISSION, 552,096 MILES, DIESEL APU, REFRIGERATOR, COLLISION MITIGATION SYSTEM, BLIND SPOT...

Condition	Used
Usage	552,096 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
Stock Number	8084
MLS Number	14306602
Category	Sleeper Semi Trucks
Last Updated	4/25/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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

$55,995 USD

2021 FREIGHTLINER CASCADIA 126, DETROIT DD15 LOW ENGINE HOURS, DETROIT DT12 AUTOMATIC TRANSMISSION, 580,830 MILES, DIESEL APU, REFRIGERATOR, COLLISION MITIGATION SYSTEM, BLIND SPOT...

Condition	Used
Usage	580,830 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
Stock Number	8110
MLS Number	14331360
Category	Sleeper Semi Trucks
Last Updated	4/24/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

(609) 318-___ SHOW
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2022 Peterbilt 567 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 500HP, 12 Speed Endurant Amt

$79,900 USD

447552 Miles, Engine: CUMMINS X15, 500 HP, Fuel Type: Diesel, 12 Speed Endurant AMT Transmission, Drive: 6x4, Low Air Suspension, Sleeper Type: Raised Roof Sleeper, Tires: 11R22.5, Wheels:...

Condition	Used
Usage	447,552 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Suspension	Low Air
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.93 ratio
Stock Number	239270
MLS Number	14330956
Category	Sleeper Semi Trucks
Last Updated	4/24/2026
Location	Millstone Township, NJ, US
Sold By	Hunter Truck

(855) 591-___ SHOW
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2022 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

$58,900 USD

2022 Kenworth T680 Next Gen – 1 Owner, Fleet Maintained Cummins-Powered Next Gen!, Clean Next Gen with engine DEF warranty to 500k miles—ready to roll! , 450 HP Cummins X15 engine, , ...

Condition	Used
Usage	465,475 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.79 ratio
Stock Number	472553
MLS Number	14330817
Category	Sleeper Semi Trucks
Last Updated	4/24/2026
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

2019 Western Star 4900FA Sleeper Semi Truck - Detroit 600HP

Contact for price

Installed option, HEADACHE RACK, WEBASTO, BEACONS LIGHT, ELECTRONIC SCALE: KILOAD K4,

Condition	Used
Usage	9,104 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	600 HP
Engine Model	Detroit DD16
Drivetrain	6x4
Suspension	Chalmers
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	C-37516
MLS Number	14275500
Category	Sleeper Semi Trucks
Last Updated	4/24/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

2020 Western Star 4900 Sleeper Semi Truck - 48" Mid Roof Sleeper, Detroit 600HP, 18 Speed Manual

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BEACONS LIGHT, WEBASTO, ELECTRONIC SCALE KILOAD K4, Transmission modelRTLO-20918B,

Condition	Used
Usage	12,345 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	600 HP
Engine Model	Detroit DD16
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	48"
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	C-37366
MLS Number	14164659
Category	Sleeper Semi Trucks
Last Updated	4/24/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

(844) 985-___ SHOW
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2021 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 450HP, Automatic

$62,900 USD

LOADED and LOW MILE! This unit is powered by a 450hp Cummins X15 Engine and a 12 Speed Automatic Transmission; Adaptive Cruise Control; Collision Mitigation; Lane Departure Assistance; Air...

Condition	Used
Usage	366,856 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	8680310
MLS Number	14140360
Category	Sleeper Semi Trucks
Last Updated	4/24/2026
Location	Indianapolis, IN, US
Sold By	JX Truck Center

2022 International LoneStar Sleeper Semi Truck - 64" Raised Roof Sleeper, Cummins 565HP, 18 Speed Ultrashift Plus Amt

Contact for price

WEBASTO, FRIGO,

Condition	Used
Usage	9,014 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15P
Drivetrain	6x4
Transmission	18 Speed Ultrashift Plus Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	64"
Suspension	Hendrickson
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.73 ratio
Stock Number	C-37046
MLS Number	14074897
Category	Sleeper Semi Trucks
Last Updated	4/24/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

2020 Western Star 4900 Sleeper Semi Truck - 48" Mid Roof Sleeper, Detroit 600HP, 18 Speed Manual

Contact for price

WEBASTO, BEACONS LIGHT, Transmission modelRTLO-20918B,

Condition	Used
Usage	15,355 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	600 HP
Engine Model	Detroit DD16
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	48"
Suspension	Hendrickson RT
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	C-37045
MLS Number	14040832
Category	Sleeper Semi Trucks
Last Updated	4/24/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

(855) 807-___ SHOW
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2019 Peterbilt 389 Sleeper Semi Truck - 72" Mid Roof Sleeper, Cummins 500HP, 13 Speed Manual

$59,500 USD

CLEAN 2019 PETERBILT 389, CUMMINS X15 500HP, MANUAL 13 SPEED TRANSMISSON, 8 BRAND NEW VIRGIN DRIVE TIRES, DUAL BREATHERS, DUAL EXHAUST, DUAL BREATHERS, DOUBLE BUNK, FRIDGE! READY TO WORK!,

Condition	Used
Usage	848,176 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Leaf
Rear Axle	Tandem Axle
Rear End	38,000 lb 3.36 ratio
Stock Number	7244
MLS Number	14328792
Category	Sleeper Semi Trucks
Last Updated	4/30/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(855) 980-___ SHOW
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2013 Kenworth T800 Sleeper Semi Truck - Mid Roof Sleeper, Paccar 405HP, 12 Speed Autoshift Automatic

$14,500 USD

2013 KENWORTH T800, PACCAR MX-13, AUTOMATIC, MID ROOF SLEEPER, AIR RIDE SUSPENSION, AIR RIDE CAB, TIRE CHAIN RACK, ROOF MOUNT BEACON, ALL ALUMINUM WHEELS,,

Condition	Used
Usage	921,105 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	405 HP
Drivetrain	6x4
Transmission	12 Speed Autoshift Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	960039-KW
MLS Number	12851492
Category	Sleeper Semi Trucks
Last Updated	4/23/2026
Location	OGDEN, UT, US
Sold By	Rocky Mountain Truck Parts

2013 Freightliner Cascadia 125 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 450HP, Super 10 Speed Manual

$37,500 USD

Mid- Roof sleeper Call Bano,

Condition	Used
Usage	518,133 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins ISX15
Drivetrain	6x4
Transmission	Super 10 Speed Manual
Sleeper Type	Mid Roof Sleeper
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	2.47 ratio
Stock Number	V20B0097
MLS Number	10144355
Category	Sleeper Semi Trucks
Last Updated	4/30/2026
Location	Fresno, CA, US
Sold By	LKQ Valley Truck Parts, Inc.

2015 Freightliner Cascadia 125 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 435HP, Ultrashift

$43,500 USD

Mid-roof sleeper Call Bano @,

Condition	Used
Usage	400,336 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	435 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	Ultrashift Automatic
Sleeper Type	Mid Roof Sleeper
Rear Axle	Tandem Axle
Stock Number	V20B0094
MLS Number	10144342
Category	Sleeper Semi Trucks
Last Updated	4/30/2026
Location	Fresno, CA, US
Sold By	LKQ Valley Truck Parts, Inc.

2014 Freightliner Cascadia 125 Sleeper Semi Truck - Detroit DD15, 505HP, Manual

$42,500 USD

Detroit DD15, 505 hp, eng brake, DEF, CARB compliant, DPF, Eaton Fuller FRO16210C airliner suspension, 12000 lb frt, 40000 lb rears, 225 in. WB, 64 in. high rise sleeper, alum wheels, 90"...

Condition	Used
Usage	493,160 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	64"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.31 ratio
Stock Number	V19G0351
MLS Number	9848060
Category	Sleeper Semi Trucks
Last Updated	4/30/2026
Location	Fresno, CA, US
Sold By	LKQ Valley Truck Parts, Inc.

2014 Freightliner Cascadia 125 Sleeper Semi Truck, Detroit DD15, 475HP, Manual

$42,500 USD

Detroit DD15 14.8 L, 475 hp, eng brake, DEF, CARB COMPLIANT DPF, Eaton Fuller FR016210C 10 spd, A/R susp, 13300 lb frt, MT4014X rears 40000 lb rears, 228 in. WB, 72 in. high rise integral...

Condition	Used
Usage	482,018 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	V19E0258
MLS Number	9780340
Category	Sleeper Semi Trucks
Last Updated	4/30/2026
Location	Fresno, CA, US
Sold By	LKQ Valley Truck Parts, Inc.

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

$65,995 USD

2021 FREIGHTLINER CASCADIA 126, DETROIT DD15 ENGINE, DETROIT DT12 AUTOMATIC TRANSMISSION, 441,830 MILES, FLEET MAINTAINED FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON...

Condition	Used
Usage	441,830 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
Stock Number	7493
MLS Number	14294354
Category	Sleeper Semi Trucks
Last Updated	4/22/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

2021 Freightliner Coronado 122 SD Sleeper Semi Truck - Detroit 605HP, 18 Speed Manual

Contact for price

Installed option, BEACONS LIGHT, WEBASTO, ELECTRONIC SCALE: VISION 15,

Condition	Used
Usage	11,022 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	605 HP
Engine Model	Detroit DD16
Drivetrain	6x4
Transmission	18 Speed Manual
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	C-37515
MLS Number	14263132
Category	Sleeper Semi Trucks
Last Updated	4/22/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

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

$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
Usage	421,707 Miles
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	4/22/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(833) 781-___ SHOW
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2021 Freightliner Cascadia Sleeper Semi Truck - 48" Extra-Tall Roof, Detroit, Automatic, MirrorEye Equipped

$73,500 USD

Condition	Used
Usage	258,794 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15 EPA 17
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Extra Tall Sleeper
Sleeper Size	48"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	20494
MLS Number	14324465
Category	Sleeper Semi Trucks
Last Updated	5/6/2026
Location	ATLANTA, GA, US
Sold By	Schneider

(833) 781-___ SHOW
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2024 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Optimized Idle

$83,700 USD

Condition	Used
Usage	410,078 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Detroit DD15TCO 50 STATE
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.15 ratio
Stock Number	32295
MLS Number	14324463
Category	Sleeper Semi Trucks
Last Updated	4/23/2026
Location	PHOENIX, AZ, US
Sold By	Schneider

2022 Freightliner Cascadia 126 Sleeper Semi Truck

$54,950 USD

Condition	Used
Usage	629,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.47 ratio
Stock Number	CP9203
MLS Number	13869203
Category	Sleeper Semi Trucks
Last Updated	4/21/2026
Location	Strafford, MO, US
Sold By	HD Trucks LLC

2022 Freightliner Cascadia 126 Sleeper Semi Truck

$56,950 USD

Condition	Used
Usage	609,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.47 ratio
Stock Number	CP9202
MLS Number	13869202
Category	Sleeper Semi Trucks
Last Updated	4/21/2026
Location	Strafford, MO, US
Sold By	HD Trucks LLC

2022 Freightliner Cascadia 126 Sleeper Semi Truck

$56,950 USD

Condition	Used
Usage	605,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.47 ratio
Stock Number	CP9201
MLS Number	13869201
Category	Sleeper Semi Trucks
Last Updated	4/21/2026
Location	Strafford, MO, US
Sold By	HD Trucks LLC

2022 Freightliner Cascadia 126 Sleeper Semi Truck

$62,950 USD

Condition	Used
Usage	553,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.47 ratio
Stock Number	CP9200
MLS Number	13869200
Category	Sleeper Semi Trucks
Last Updated	4/21/2026
Location	Strafford, MO, US
Sold By	HD Trucks LLC