Diesel Freightliner Cascadia 126 Sleeper Semi Trucks For Sale

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Featured Item

2026 Freightliner Cascadia 126 Sleeper Semi Truck - Cummins 450HP

$167,500 USD

Condition	Used
Usage	55,994 Miles
Horse Power	450 HP
Engine Model	Cummins X15
Sleeper Size	72"
Rear Axle	Tandem Axle
Capacity	200 Gallons
Weight	Class 8: 33,001 lb and above (14,969 kg and above)
Stock Number	578156
MLS Number	14480465
Category	Sleeper Semi Trucks
Last Updated	8/10/2026
Location	Pharr, TX, US
Sold By	Doggett

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Featured Item

2022 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 400HP

$79,900 USD

EW3 03/05/2027 OR 550K, Collision Mitigation, Lane Assist and Easy Financing Extended Warranty Available! This Maroon Elite Mid Roof has tons of chrome and polished aluminum to make this...

Condition	Used
Usage	339,699 Miles
Horse Power	400 HP
Engine Model	Detroit DD13
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Capacity	160 Gallons
Weight	52500
Stock Number	495081
MLS Number	14410481
Category	Sleeper Semi Trucks
Last Updated	8/10/2026
Location	Dallas, TX, US
Sold By	Doggett

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Featured Item

2024 Freightliner Cascadia 126 Sleeper Semi Truck - Cummins 450HP

$99,900 USD

Cummins PT1 and AT3 4/20/27 or 500k. 10 New Tires

Condition	Used
Usage	291,916 Miles
Horse Power	450 HP
Engine Model	Cummins X15
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Capacity	240 Gallons
Weight	52000
Stock Number	524793
MLS Number	14135415
Category	Sleeper Semi Trucks
Last Updated	7/10/2026
Location	Laredo, TX, US
Sold By	Doggett

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$74,250 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 482,479 miles, 455 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, 22.5" tires. Check...

Condition	Used
Usage	486,854 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	429313
MLS Number	14506835
Category	Sleeper Semi Trucks
Last Updated	8/11/2026
Location	Indianapolis, IN, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$67,000 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 492,133 miles, 455HP DD15AT engine, 72" integral sleeper, 12-speed automatic transmission, air ride suspension, 220 gal fuel...

Condition	Used
Usage	506,659 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	392391
MLS Number	14274082
Category	Sleeper Semi Trucks
Last Updated	8/11/2026
Location	Torrance, CA, US
Sold By	Penske Used Trucks

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2025 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

Recently Updated

$99,995 USD

2025 FREIGHTLINER CASCADIA 126, DETROIT DD15 ENGINE, 505 HP / GEN5, DETROIT DT12 AUTOMATIC TRANSMISSION, 413,718 MILES, FLEET MAINTAINED MULTIPLE UNITS ARE AVAILABLE FINANCING...

Condition	Used
Usage	413,718 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
Rear End	40,000 lb
Stock Number	8269
MLS Number	14360379
Category	Sleeper Semi Trucks
Last Updated	8/11/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$59,000 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 587,601 miles, 455 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	609,679 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	372070
MLS Number	13541843
Category	Sleeper Semi Trucks
Last Updated	8/11/2026
Location	Torrance, CA, US
Sold By	Penske Used Trucks

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$73,250 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 498,299 miles, 455HP DD15AT Diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, air ride suspension...

Condition	Used
Usage	509,434 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	385336
MLS Number	14231131
Category	Sleeper Semi Trucks
Last Updated	8/11/2026
Location	Torrance, CA, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$63,000 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 550,634 miles, 455 HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, 13,300 lb front axle,...

Condition	Used
Usage	573,808 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	380774
MLS Number	14320682
Category	Sleeper Semi Trucks
Last Updated	8/11/2026
Location	Boise, ID, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$73,500 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 496,631 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	499,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	321777
MLS Number	14332575
Category	Sleeper Semi Trucks
Last Updated	8/11/2026
Location	Arlington, TX, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, Cummins 450HP, 10 Speed Automatic

Recently Updated

$58,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 607,996 miles, 72" integral sleeper, Cummins X15 diesel engine with 450 HP, 10-speed Eaton automatic transmission, tandem...

Condition	Used
Usage	624,550 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	10 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	369458
MLS Number	14305035
Category	Sleeper Semi Trucks
Last Updated	8/11/2026
Location	Kansas City, MO, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 60" Integral Sleeper, 505HP, 13 Speed Manual

Recently Updated

$69,750 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 428,406 miles, 60" integral sleeper, DD15AT diesel engine, 505 HP, 13-speed Eaton manual transmission, tandem rear axle....

Condition	Used
Usage	428,428 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	DD15AT
Transmission	13 Speed Manual
Sleeper Type	Integral Sleeper
Sleeper Size	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.58 ratio
Stock Number	356318
MLS Number	14142414
Category	Sleeper Semi Trucks
Last Updated	8/11/2026
Location	Clackamas, OR, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 48" Integral Sleeper, 450HP, 6 Speed Automatic

Recently Updated

$17,500 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 468,086 miles, 450 HP DD13 diesel engine, 6-speed Allison automatic transmission, 48" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	468,086 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	DD13
Transmission	6 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	48"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.58 ratio
Stock Number	356949
MLS Number	14481008
Category	Sleeper Semi Trucks
Last Updated	8/11/2026
Location	Round Rock, TX, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, Cummins 450HP, 13 Speed Automatic

Recently Updated

$65,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 511,366 miles, Cummins X15 diesel engine, 450 HP, 13-speed automatic Eaton transmission, 72" integral sleeper, tandem rear...

Condition	Used
Usage	517,169 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	13 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	338565
MLS Number	14374350
Category	Sleeper Semi Trucks
Last Updated	8/11/2026
Location	Jackson, MS, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$67,500 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 491,977 miles, 455HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	495,295 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	337614
MLS Number	14493600
Category	Sleeper Semi Trucks
Last Updated	8/11/2026
Location	Jackson, MS, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$54,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck with 72" Integral Sleeper, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension,...

Condition	Used
Usage	654,218 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	283544
MLS Number	14396894
Category	Sleeper Semi Trucks
Last Updated	8/11/2026
Location	San Antonio, TX, US
Sold By	Penske Used Trucks

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic

Recently Updated

$60,750 USD

Used 2019 Freightliner Cascadia 126 Sleeper Semi Truck with 400HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, air ride suspension,...

Condition	Used
Usage	571,094 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	256560
MLS Number	13368983
Category	Sleeper Semi Trucks
Last Updated	8/11/2026
Location	Phoenix, AZ, US
Sold By	Penske Used Trucks

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2022 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 455HP

Newly Listed

$65,900 USD

2022 Freightliner Cascadia 126 Powered by a DD15 Engine with 455HP and Paired with a DT12-12 Speed Automatic Transmission for Optimum Fuel Efficiency. Dual 120 Gallon Diesel Fuel Tanks. 72"...

Condition	Used
Usage	559,863 Miles
Horse Power	455 HP
Engine Model	Detroit DD15
Suspension	Air Ride
Rear Axle	Tandem Axle
Weight	Class 8: 33,001 lb and above (14,969 kg and above)
Stock Number	490495
MLS Number	14534092
Category	Sleeper Semi Trucks
Last Updated	8/11/2026
Location	El Paso, TX, US
Sold By	Doggett

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2022 Freightliner CASCADIA 126 Sleeper Semi Truck - Detroit 400HP

Newly Listed

$59,900 USD

EW3 01/07/27 OR 550K, Collision Mitigation, Lane Assist and Easy Financing Extended Warranty Available! This Maroon Elite Mid Roof has tons of chrome and polished aluminum to make this...

Condition	Used
Usage	501,393 Miles
Horse Power	400 HP
Engine Model	Detroit DD13
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	501125
MLS Number	14534091
Category	Sleeper Semi Trucks
Last Updated	8/11/2026
Location	Dallas, TX, US
Sold By	Doggett

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2023 Freightliner CASCADIA 126 Sleeper Semi Truck - Detroit 425HP

Newly Listed

$86,000 USD

EW3 09/13/27 OR 550K, Collision Mitigation, Lane Assist and Easy Financing Extended Warranty Available! This Maroon Elite Mid Roof has tons of chrome and polished aluminum to make this...

Condition	Used
Usage	348,946 Miles
Horse Power	425 HP
Engine Model	Detroit DD13
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Weight	52500
Stock Number	509658
MLS Number	14534090
Category	Sleeper Semi Trucks
Last Updated	8/11/2026
Location	Dallas, TX, US
Sold By	Doggett

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2026 Freightliner Cascadia 126 Sleeper Semi Truck - Cummins 450HP

Newly Listed

$167,500 USD

Condition	Used
Usage	41,174 Miles
Horse Power	450 HP
Engine Model	Cummins X15
Sleeper Size	72"
Rear Axle	Tandem Axle
Weight	53,300
Stock Number	578158
MLS Number	14534089
Category	Sleeper Semi Trucks
Last Updated	8/11/2026
Location	Pharr, TX, US
Sold By	Doggett

(833) 781-___ SHOW
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2022 Freightliner Cascadia Sleeper Semi Truck - 72" Extra-Tall Roof, Detroit, Automatic, Battery Powered HVAC with Optimized Idle

Recently Updated

$79,200 USD

Condition	Used
Usage	340,064 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	14034
MLS Number	14275299
Category	Sleeper Semi Trucks
Last Updated	8/10/2026
Location	Gary, IN, US
Sold By	Schneider

(844) 216-___ SHOW
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2019 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit

Recently Updated

$29,900 USD

AUTOMATIC. ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM

Condition	Used
Usage	723,210 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Drivetrain	6x4
Rear Axle	Tandem Axle
Stock Number	KP8058
MLS Number	14092813
Category	Sleeper Semi Trucks
Last Updated	8/10/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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

Recently Updated

$49,900 USD

Several Available!, Full 128 Point Inspection, 547,272 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals, Fleet...

Condition	Used
Usage	547,272 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 3.08 ratio
Stock Number	LY5950
MLS Number	13916446
Category	Sleeper Semi Trucks
Last Updated	8/10/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC