Freightliner 6x4 Cascadia 126 Sleeper Semi Trucks with Detroit Engines For Sale

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48 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, Other

$84,995 USD

*2022 Freightliner Cascadia 126 Sleeper -- Detroit Diesel -- DT12 Overdrive** Detroit DD15 14.8L -- 400 HP* DT12 Overdrive Automated Manual Transmission* 200-Gallon Fuel Capacity* 12,350 lb...

Condition	Used
Usage	497,597 Miles
Horse Power	400 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	MLMK8744B
MLS Number	13864446
Category	Sleeper Semi Trucks
Last Updated	10/25/2025
Location	Pompano Beach, FL, US
Sold By	Go Freightliner of Broward

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30 0

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

Price Drop

$65,999 USD

Parksmart APU! This 2021 Freightliner Cascadia is powered by DD15 engine and paired with a smooth shifting DT12 Automatic Transmission; Spacious 72in Double Bunk Sleeper; TV Prep; heated...

Condition	Used
Usage	401,571 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	8679934
MLS Number	13603510
Category	Sleeper Semi Trucks
Last Updated	10/25/2025
Location	Indianapolis, IN, US
Sold By	JX Truck Center

(844) 216-___ SHOW
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24 1

2023 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 450HP, Manual

Price Drop

$57,900 USD

Conventional, 72 Inch Raised Roof Sleeper, Upper Bunk, 573,000 Approximate Miles, ECM Reads 573,000 Miles, Detroit DD13 Engine, 450 H.P., Balance of Detroit Diesel, 7 Year / 750,000 Mile EW4...

Condition	Used
Usage	573,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13
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 2.41 ratio
Stock Number	UE0261
MLS Number	13586542
Category	Sleeper Semi Trucks
Last Updated	10/25/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

19 0

2023 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Battery Powered HVAC with Optimized Idle

$82,200 USD

Condition	Used
Usage	389,717 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 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	2.28 ratio
Stock Number	75391
MLS Number	13940400
Category	Sleeper Semi Trucks
Last Updated	10/27/2025
Location	Charlotte, NC, US
Sold By	Schneider

19 0

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

$83,700 USD

Condition	Used
Usage	455,025 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	31949
MLS Number	13940344
Category	Sleeper Semi Trucks
Last Updated	10/27/2025
Location	PHOENIX, AZ, US
Sold By	Schneider

(844) 900-___ SHOW
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62 1

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

$67,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** SLIDING 5TH WHEEL!!!!! AIR RIDE, K-PIN REL, AIR SLIDE,HSA OFF, ATC SPIN, APU!!!, TRI-PAC Se Habla Español! NO CREDIT? BAD...

Condition	Used
Usage	475,567 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.47 ratio
Stock Number	L01570-EX WALMART
MLS Number	13931393
Category	Sleeper Semi Trucks
Last Updated	10/30/2025
Location	Fontana, CA, US
Sold By	Diamond Truck Sales Inc

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43 0

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

$71,995 USD

WALMART TRUCK! LOADED! 2021 FREIGHTLINER CASCADIA 126, DETROIT DD15 LOW ENGINE HOURS, DETROIT DT12 AUTOMATIC TRANSMISSION, 391,610 MILES, DIESEL APU, REFRIGERATOR, COLLISION MITIGATION...

Condition	Used
Usage	391,610 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	8091
MLS Number	13879844
Category	Sleeper Semi Trucks
Last Updated	10/24/2025
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

21 0

2023 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Battery Powered HVAC with Optimized Idle

$77,200 USD

Condition	Used
Usage	405,122 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 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	2.28 ratio
Stock Number	75302
MLS Number	13928054
Category	Sleeper Semi Trucks
Last Updated	10/30/2025
Location	Gary, IN, US
Sold By	Schneider

19 0

2023 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Battery Powered HVAC with Optimized Idle

$77,200 USD

Condition	Used
Usage	412,776 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 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	2.28 ratio
Stock Number	75181
MLS Number	13928051
Category	Sleeper Semi Trucks
Last Updated	10/28/2025
Location	Charlotte, NC, US
Sold By	Schneider

19 0

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

$91,700 USD

Condition	Used
Usage	429,429 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	31960
MLS Number	13928042
Category	Sleeper Semi Trucks
Last Updated	10/28/2025
Location	PHOENIX, AZ, US
Sold By	Schneider

21 0

2021 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Optimized Idle

$54,200 USD

Condition	Used
Usage	492,575 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	Raised Roof Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.15 ratio
Stock Number	51888
MLS Number	13928040
Category	Sleeper Semi Trucks
Last Updated	10/24/2025
Location	Gary, IN, US
Sold By	Schneider

19 0

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

$83,700 USD

Condition	Used
Usage	495,796 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	31660
MLS Number	13928038
Category	Sleeper Semi Trucks
Last Updated	10/24/2025
Location	PHOENIX, AZ, US
Sold By	Schneider

19 0

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

$91,700 USD

Condition	Used
Usage	431,088 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	31497
MLS Number	13928036
Category	Sleeper Semi Trucks
Last Updated	10/24/2025
Location	PHOENIX, AZ, US
Sold By	Schneider

19 0

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

$91,700 USD

Condition	Used
Usage	437,537 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	31050
MLS Number	13928016
Category	Sleeper Semi Trucks
Last Updated	10/24/2025
Location	PHOENIX, AZ, US
Sold By	Schneider

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30 0

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

Price Drop

$74,999 USD

LOW MILE! 2021 Freightliner Cascadia with just over 300k miles is now available for sale! This unit is powered by a Detroit DD15 motor and paired with an automatic DT12 Transmission. With a...

Condition	Used
Usage	304,128 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	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	8679940
MLS Number	13616870
Category	Sleeper Semi Trucks
Last Updated	10/25/2025
Location	Bolingbrook, IL, US
Sold By	JX Truck Center

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29 0

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

$58,900 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	400 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	10/28/2025
Location	Houston, TX, US
Sold By	Diamond Truck Sales Inc

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42 0

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

$71,995 USD

WALMART TRUCK! LOADED! 2021 FREIGHTLINER CASCADIA 126, DETROIT DD15 LOW ENGINE HOURS, DETROIT DT12 AUTOMATIC TRANSMISSION, 394,704 MILES, DIESEL APU, REFRIGERATOR, COLLISION MITIGATION...

Condition	Used
Usage	394,704 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	8205
MLS Number	13879847
Category	Sleeper Semi Trucks
Last Updated	10/23/2025
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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28 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP

$84,900 USD

VIN3AKJHHDR6NSMX7829, Year2022, MakeFreightliner, Model126, Start/RunYes, SPECIFICATIONS, Mileage534291, Engine Hours10533, Engine MakeDetroit Diesel, Engine ModelDD15, HP505, Engine Serial...

Condition	Used
Usage	345,795 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	264827
MLS Number	13870461
Category	Sleeper Semi Trucks
Last Updated	10/23/2025
Location	Tampa, FL, US
Sold By	Southport Truck Group

18 0

2019 Freightliner Cascadia Sleeper Semi Truck - 72" Extra-Tall Roof, Detroit, Automatic

$49,900 USD

Condition	Used
Usage	302,190 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	18596
MLS Number	13727448
Category	Sleeper Semi Trucks
Last Updated	10/23/2025
Location	Houston, TX, US
Sold By	Schneider

(844) 900-___ SHOW
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55 1

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

$57,900 USD

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

Condition	Used
Usage	528,206 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	L01507-DELIVERY 2 U
MLS Number	13781473
Category	Sleeper Semi Trucks
Last Updated	10/23/2025
Location	Fontana, CA, US
Sold By	Diamond Truck Sales Inc

(844) 216-___ SHOW
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31 1

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Mid Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

$56,900 USD

Several Available! Super Clean Units!, 8 new tires, 472,720 Miles, DD15 Detroit, 505 HP, Jakes, DT12 Automated, TriPac APU, Bunk Heater, 40,000# Rears, Air Ride, Tilt/Tele, Cruise, 240" WB,...

Condition	Used
Usage	472,720 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	LJ3614
MLS Number	13712683
Category	Sleeper Semi Trucks
Last Updated	10/23/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

18 0

2020 Freightliner Cascadia Sleeper Semi Truck - 48" Extra-Tall Roof, Detroit, Automatic

$42,000 USD

Condition	Used
Usage	454,459 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	20323
MLS Number	13915884
Category	Sleeper Semi Trucks
Last Updated	10/23/2025
Location	ATLANTA, GA, US
Sold By	Schneider

18 0

2022 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Battery Powered HVAC with Optimized Idle

$74,200 USD

Condition	Used
Usage	378,211 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15GHG21
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	53103
MLS Number	13915846
Category	Sleeper Semi Trucks
Last Updated	10/23/2025
Location	ATLANTA, GA, US
Sold By	Schneider

19 0

2022 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Battery Powered HVAC with Optimized Idle

$68,200 USD

Condition	Used
Usage	441,903 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15GHG21
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	53058
MLS Number	13915837
Category	Sleeper Semi Trucks
Last Updated	10/23/2025
Location	Charlotte, NC, US
Sold By	Schneider