Freightliner 12 Speed Sleeper Semi Trucks For Sale by Dealerships

(844) 321-___ SHOW
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2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$85,900 USD

Balance of Detroit Diesel 5 Year/500K Mile Major Components (PARTS ONLY) Warranty and 5 Year/750K Mile Basic Transmission Warranty In Service: 09/19/2022, LEAD TRUCK,

Condition	Used
Usage	5,631 Hours
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	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	1718
MLS Number	14044092
Category	Sleeper Semi Trucks
Last Updated	12/31/2025
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

(844) 321-___ SHOW
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Featured Item

2024 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$95,900 USD

Balance of Detroit Diesel 5 Year/500K Mile Major Components (PARTS ONLY) Warranty and 5 Year/750K Mile Basic Transmission Warranty In Service: 03/06/2023,

Condition	Used
Usage	5,326 Hours
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	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	1714
MLS Number	14044040
Category	Sleeper Semi Trucks
Last Updated	12/31/2025
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

Featured Item

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

$43,000 USD

Condition	Used
Usage	943,871 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'21 455/1500
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.85 ratio
Stock Number	569523
MLS Number	14042329
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Kearny, NJ, US
Sold By	Ryder

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic

Recently Updated

$49,500 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 610,253 miles, 475HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle,...

Condition	Used
Usage	610,297 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 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	354729
MLS Number	14014091
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Goldsboro, NC, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic

Recently Updated

$52,500 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 554,191 miles, 475 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, 240-gallon fuel...

Condition	Used
Usage	554,239 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 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	354727
MLS Number	14014090
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Goldsboro, NC, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic

Recently Updated

$46,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 648,222 miles, 475HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	648,222 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 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	354726
MLS Number	14014089
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Goldsboro, NC, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic

Recently Updated

$35,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 793,004 miles, 475 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	793,051 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 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	354724
MLS Number	14014087
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Goldsboro, NC, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic

Recently Updated

$52,500 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 475 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	550,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 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	354722
MLS Number	14014086
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Goldsboro, NC, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 60" Integral Sleeper, 455HP, 12 Speed Automatic

Newly Listed

$64,250 USD

Condition	Used
Usage	375,364 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	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	352781
MLS Number	14104544
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Evansville, IN, US
Sold By	Penske Used Trucks

(888) 758-___ SHOW
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2022 Freightliner Cascadia Sleeper Semi Truck - Does Not Apply, 450HP, 12 Speed

Recently Updated

$74,250 USD

Condition	Used
Usage	376,798 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	DD15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Rear End	40,000 lb 2.16 ratio
Stock Number	505306
MLS Number	13983674
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Conley, GA, US
Sold By	International Motors, LLC

(855) 910-___ SHOW
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2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

Recently Updated

$51,950 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	484,452 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	3614
MLS Number	13885488
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

2019 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Newly Listed

$44,250 USD

Used 2019 Freightliner Cascadia 125 Sleeper Semi Truck, 564,098 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	564,098 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	268814
MLS Number	14104492
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Ladson, SC, US
Sold By	Penske Used Trucks

2019 Freightliner Cascadia 116 Sleeper Semi Truck - 60" Integral Sleeper, 450HP, 12 Speed Automatic

Price Drop $47,000 USD

Used 2019 Freightliner Cascadia 116 Sleeper Semi Truck, 560,336 miles, 450HP DD13 diesel engine, 12-speed automatic Detroit transmission, 60" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	560,345 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	DD13
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	268895
MLS Number	14013534
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Phoenix, AZ, US
Sold By	Penske Used Trucks

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$42,500 USD

Used 2019 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 634,014 miles, 455HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle....

Condition	Used
Usage	634,014 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	232196
MLS Number	14043707
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Mount Pleasant, PA, US
Sold By	Penske Used Trucks

2019 Freightliner Cascadia 113 Sleeper Semi Truck - 72" Integral Sleeper, 450HP, 12 Speed Automatic

Recently Updated

$37,500 USD

Used 2019 Freightliner Cascadia 113 Sleeper Semi Truck with 72" integral sleeper, 450HP DD13 diesel engine, 12-speed automatic transmission, tandem rear axle, air ride suspension. Check it...

Condition	Used
Usage	641,156 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	DD13
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	244801
MLS Number	14030184
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Suwanee, GA, US
Sold By	Penske Used Trucks

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic

Newly Listed

Contact for price

Used 2019 Freightliner Cascadia 126 Sleeper Semi Truck, 556,747 miles, 475HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	556,747 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 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	202308
MLS Number	14104359
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Morristown, TN, US
Sold By	Penske Used Trucks

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

Newly Listed

$80,214 USD

Condition	Used
Usage	401,951 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	292361
MLS Number	14103524
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Houston, TX, US
Sold By	Ryder

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 70" Condo Sleeper, 455HP, 12 Speed Automatic

Newly Listed

$55,569 USD

Condition	Used
Usage	626,196 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1900
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	271442
MLS Number	14103506
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Kansas City, MO, US
Sold By	Ryder

2020 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Condo Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$64,700 USD

Condition	Used
Usage	418,431 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	244441
MLS Number	13869011
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Salisbury, MA, US
Sold By	Ryder

2020 Freightliner Cascadia 125 Sleeper Semi Truck - 40" Mid Roof Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$78,376 USD

Condition	Used
Usage	331,401 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
Transmission	12 Speed
Sleeper Type	Mid Roof Sleeper
Sleeper Size	40"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	244445
MLS Number	13998380
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Norwood, MA, US
Sold By	Ryder

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 82" Condo Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$39,866 USD

Condition	Used
Usage	804,280 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	82"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	500077
MLS Number	13907869
Category	Sleeper Semi Trucks
Last Updated	1/21/2026
Location	Pomona, CA, US
Sold By	Ryder

2018 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic

Newly Listed

$51,500 USD

Used 2018 Freightliner Cascadia 125 Sleeper Semi Truck for sale, 520,789 miles, 400HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	520,789 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 2.27 ratio
Stock Number	715004
MLS Number	14102284
Category	Sleeper Semi Trucks
Last Updated	1/21/2026
Location	Amarillo, TX, US
Sold By	Penske Used Trucks

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

Recently Updated

$71,750 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 456,025 miles, 455 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, air ride...

Condition	Used
Usage	459,550 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	224406
MLS Number	14049208
Category	Sleeper Semi Trucks
Last Updated	1/21/2026
Location	Lakeland, FL, US
Sold By	Penske Used Trucks

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$63,000 USD

Used 2023 Freightliner Cascadia 126 Sleeper Semi Truck, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride suspension....

Condition	Used
Usage	597,810 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	586253
MLS Number	14088182
Category	Sleeper Semi Trucks
Last Updated	1/21/2026
Location	Ladson, SC, US
Sold By	Penske Used Trucks