Freightliner 6x4 Sleeper Semi Trucks For Sale

(844) 216-___ SHOW
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2020 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$54,600 USD

Several Available!, Fresh DOT, Full 128 Point Inspection, 505,081 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals...

Condition	Used
Usage	505,081 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.09 ratio
Stock Number	LY5951
MLS Number	13916429
Category	Sleeper Semi Trucks
Last Updated	1/8/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(480) 995-___ SHOW
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2022 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 505HP, 13 Speed Ultrashift Manual

$66,900 USD

One Owner Fleet Maintained Truck, Contact: Ed Gibbs for details,

Condition	Used
Usage	487,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	13 Speed Ultrashift Manual
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	2594
MLS Number	13707453
Category	Sleeper Semi Trucks
Last Updated	1/8/2026
Location	Phoenix, AZ, US
Sold By	TCI Transportation

(323) 712-___ SHOW
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2018 Freightliner Cascadia 125 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$35,000 USD

506000 Miles, Engine: DETROIT DD15, 455 HP, Fuel Type: Diesel, 12 Speed DT12 AMT Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Wheels: All Aluminum, Wheel...

Condition	Used
Usage	506,000 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	18406
MLS Number	13560106
Category	Sleeper Semi Trucks
Last Updated	1/15/2026
Location	Kansas City, KS, US
Sold By	TCI Transportation

(844) 882-___ SHOW
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2013 Freightliner Cascadia 125 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 475HP, 10 Speed Manual

Price Drop $6,750 USD

Mechanic Special Opportunity, * This truck has been discovered to have fuel in the water. The most likely cause is the need for new injector cups. It runs and drive good otherwise. 2013...

Condition	Used
Usage	1,214,130 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.55 ratio
MLS Number	13486711
Category	Sleeper Semi Trucks
Last Updated	1/8/2026
Location	Phoenix, AZ, US
Sold By	American Truck Sales & Salvage

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$47,950 USD

New Style Cascadia, Air Release 5th Wheel, Auto Trans, Espar Bunk Heater, Invertor, Jumper Posts, LED Lights, Fridge, Sliding 5th Wheel, Well Maintained Fleet Truck, Oil Changed Every 45K...

Condition	Used
Usage	491,406 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 2.47 ratio
Stock Number	3503
MLS Number	14075279
Category	Sleeper Semi Trucks
Last Updated	1/13/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

2020 Freightliner Cascadia Sleeper Semi Truck - 72" Extra-Tall Roof, Detroit, Automatic, Bulk Equipment - Manager's Special!

$53,200 USD

Unit is equipped with: , Heat In Transit (HIT) connections , Hydraulic Cooling System - Gardner Denver MH3 Hydrapack , Transfer Pump - Blackmer TX206 , Vane Compressor -...

Condition	Used
Usage	288,337 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD13 EPA 17
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Extra Tall Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	12149
MLS Number	13700534
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Carlisle, PA, US
Sold By	Schneider

(844) 624-___ SHOW
NUMBERCall Seller

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 76" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$62,950 USD

For sale: Two low-mileage DD13-powered Cascadia's, fully equipped with APUs, warranty remaining! **Factory Warranty Remaining**, Cab Corrosion-3/3/2027, Frame Rails-3/3/2028, Crossmemebers-3...

Condition	Used
Usage	352,085 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	MO11019
MLS Number	14065714
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$53,950 USD

N.A.P. New Style Cascadia, Air Release 5th Wheel, Auto Trans, Espar Bunk Heater, Invertor, Jumper Posts, LED Lights, Fridge, Sliding 5th Wheel, Alum Wheels, Well Maintained Fleet Truck, Oil...

Condition	Used
Usage	484,303 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	3562
MLS Number	13850376
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(844) 912-___ SHOW
NUMBERCall Seller

2021 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Automatic

Price Drop $54,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** SLIDING 5TH WHEEL!!!!! AIR RIDE, COLLISION MITIGATION, DEF Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7 DAYS A...

Condition	Used
Usage	542,538 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
Stock Number	H02402
MLS Number	13848121
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	Houston, TX, US
Sold By	Diamond Truck Sales Inc

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Automatic

$56,900 USD

** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, DEF, AIR RIDE, AUTOMATIC, Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7 DAYS A WEEK!!!! Disclaimer:, “All...

Condition	Used
Usage	491,063 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	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	N15121-DELIVERY 2 U
MLS Number	13747992
Category	Sleeper Semi Trucks
Last Updated	1/14/2026
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

2020 Freightliner Cascadia 113 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 450HP, Automatic

Price Drop $32,900 USD

**** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** AUTOMATIC 12 SPEED!!!!, SLIDING 5TH WHEEL, DEF, DIFF LOCK, Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7 DAYS A...

Condition	Used
Usage	697,841 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	N14964-DELIVERY 2 U
MLS Number	13517795
Category	Sleeper Semi Trucks
Last Updated	1/14/2026
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 71" Raised Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Automatic

$59,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** HEATED AND COLLING SEATS!!! SLIDING 5TH WHEEL!!!!! AIR RIDE, ATC SPIN, APU!!! Se Habla Español! NO CREDIT? BAD CREDIT? NO...

Condition	Used
Usage	480,707 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	71"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	80,000 lb 2.47 ratio
Stock Number	N15215-DELIVERY 2 U
MLS Number	13961986
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$47,950 USD

New Style Cascadia, Air Release 5th Wheel, Auto Trans, Espar Bunk Heater, Invertor, Jumper Posts, LED Lights, Fridge, Sliding 5th Wheel, Well Maintained Fleet Truck, Oil Changed Every 45K...

Condition	Used
Usage	490,134 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 2.47 ratio
Stock Number	3528
MLS Number	14072163
Category	Sleeper Semi Trucks
Last Updated	1/13/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$47,950 USD

New Style Cascadia, Air Release 5th Wheel, Auto Trans, Espar Bunk Heater, Invertor, Jumper Posts, LED Lights, Fridge, Sliding 5th Wheel, Well Maintained Fleet Truck, Oil Changed Every 45K...

Condition	Used
Usage	487,691 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 2.47 ratio
Stock Number	3450
MLS Number	14072162
Category	Sleeper Semi Trucks
Last Updated	1/13/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(866) 530-___ SHOW
NUMBERCall Seller

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 455HP, 12 Speed Dt12 Automatic

$65,995 USD

2020 FREIGHTLINER CASCADIA 126, DETROIT DD15, DETROIT DT12 AUTOMATIC TRANSMISSION, LOW MILEAGE ONLY 386,333 MILES, ONE OWNER, FLEET MAINTAINED FINANCING AVAILABLE FOR ALL CREDIT TYPES,...

Condition	Used
Usage	386,333 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	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	0725
MLS Number	14029242
Category	Sleeper Semi Trucks
Last Updated	1/11/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

(866) 530-___ SHOW
NUMBERCall Seller

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

$49,995 USD

2019 FREIGHTLINER CASCADIA 126, DETROIT DD15, DETROIT DT12 AUTOMATIC TRANSMISSION, 520,676 MILES, FLEET MAINTAINED MULTIPLE UNITS AVAILABLE FINANCING AVAILABLE FOR ALL CREDIT TYPES,...

Condition	Used
Usage	520,676 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	0144
MLS Number	13809611
Category	Sleeper Semi Trucks
Last Updated	1/6/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

2022 Freightliner Cascadia Sleeper Semi Truck - 72" Extra-Tall Roof, Detroit, Automatic, Battery Powered HVAC with Optimized Idle

Price Drop $45,200 USD

Condition	Used
Usage	506,365 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD13 GHG 17
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Extra Tall Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	13870
MLS Number	13992501
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Charlotte, NC, US
Sold By	Schneider

(844) 216-___ SHOW
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2016 Freightliner Cascadia 125 Sleeper Semi Truck - Raised Roof Sleeper, Detroit, 10 Speed Manual

$25,900 USD

693k Miles, ISX Cummins, 450 HP, 10 Speed Manual, PTO/HydraFlow, 3.58 Ratio, Diff Lock, 12k Fronts, 40k Rears, Aluminum Wheels, Air Slide 5th, 72" Mid-Roof Sleeper, Single Bunk, 235" WB,...

Condition	Used
Usage	693,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins ISX
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	HN6478
MLS Number	13586477
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(844) 435-___ SHOW
NUMBERCall Seller

2020 Freightliner Cascadia 125 Sleeper Semi Truck - 60" Raised Roof Sleeper, Detroit 505HP, Automatic

$69,900 USD

422586 Miles, Engine: DETROIT DD15, 505 HP, Fuel Type: Diesel, 6 Speed Automatic Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 60, Wheel...

Condition	Used
Usage	422,586 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	6 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.73 ratio
Stock Number	334995
MLS Number	13129777
Category	Sleeper Semi Trucks
Last Updated	1/6/2026
Location	Barrington, NH, US
Sold By	Allegiance Trucks

2024 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Optimized Idle

Price Drop $95,700 USD

Condition	Used
Usage	337,448 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Detroit DD15 GEN5
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	31148
MLS Number	13784583
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	PHOENIX, AZ, US
Sold By	Schneider

(909) 775-___ SHOW
NUMBERCall Seller

2022 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

Contact for price

Contact Sergio,

Condition	Used
Usage	512,354 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 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
Stock Number	2626
MLS Number	14070071
Category	Sleeper Semi Trucks
Last Updated	1/5/2026
Location	Fontana, CA, US
Sold By	TCI Transportation

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 71" Raised Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Automatic

$58,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** ***ALMOST NEW VIRGIN RUBBERS*** SLIDING 5TH WHEEL!!!!! AIR RIDE, ATC SPIN, HSA OFF Se Habla Español! NO CREDIT? BAD CREDIT? NO...

Condition	Used
Usage	477,847 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	71"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	N15258-DELIVERY 2 U
MLS Number	14059528
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

2021 Freightliner Cascadia Sleeper Semi Truck - 72" Extra-Tall Roof, Detroit, Automatic, Battery Powered HVAC with Optimized Idle

Price Drop $55,200 USD

Condition	Used
Usage	370,185 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD13 GHG 17
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Extra Tall Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	13587
MLS Number	14069409
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Carlisle, PA, US
Sold By	Schneider

2021 Freightliner Cascadia Sleeper Semi Truck - 72" Extra-Tall Roof, Detroit, Automatic, Battery Powered HVAC with Optimized Idle

Price Drop $55,200 USD

Condition	Used
Usage	362,402 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD13 EPA 17
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Extra Tall Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	12968
MLS Number	14069402
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Carlisle, PA, US
Sold By	Schneider