12 Speed Sleeper Semi Trucks For Sale

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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

(844) 385-___ SHOW
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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 125 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$56,500 USD

Used 2020 Freightliner Cascadia 125 Sleeper Semi Truck for sale, 453,698 miles, 455HP DD15AT engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	453,698 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 3.23 ratio
Stock Number	349251
MLS Number	14081615
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Ladson, SC, US
Sold By	Penske Used Trucks

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

Recently Updated

$45,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 609,220 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	609,220 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	348849
MLS Number	13738739
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Minoa, NY, US
Sold By	Penske Used Trucks

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

Price Drop $51,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 539,962 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	539,962 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	348848
MLS Number	13738738
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Minoa, NY, US
Sold By	Penske Used Trucks

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

Recently Updated

$72,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 274,492 miles, 455 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 60" integral sleeper, tandem rear axle,...

Condition	Used
Usage	274,492 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 3.08 ratio
Stock Number	308122
MLS Number	14091749
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Suwanee, GA, US
Sold By	Penske Used Trucks

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

Recently Updated

$67,250 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale with 381,884 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, 13,300 lb front...

Condition	Used
Usage	381,885 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	342002
MLS Number	13854039
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Greeley, CO, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic

Price Drop $43,250 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 697,220 miles, 400HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	697,220 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	291385
MLS Number	14049002
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Suwanee, GA, US
Sold By	Penske Used Trucks

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

Recently Updated

$49,750 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 581,346 miles, 455HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	581,346 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	286250
MLS Number	14013689
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Dalton, GA, US
Sold By	Penske Used Trucks

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

Recently Updated

$49,750 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 580,585 miles, 455 HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle....

Condition	Used
Usage	580,585 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	286248
MLS Number	14013687
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Dalton, GA, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

Recently Updated

$71,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 420,214 miles, 505 HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	420,922 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 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 3.23 ratio
Stock Number	280832
MLS Number	14013634
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Tacoma, WA, US
Sold By	Penske Used Trucks

2020 Volvo VNR64640 Sleeper Semi Truck - 61" Integral Sleeper, 500HP, 12 Speed Automatic

Recently Updated

$40,250 USD

Used 2020 Volvo VNR64640 Sleeper Semi Truck for sale, 696,933 miles, 500 HP D13 diesel engine, 12-speed automatic Volvo transmission, 61" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	699,931 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	D13
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	61"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.42 ratio
Stock Number	268499
MLS Number	14013613
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Fredonia, NY, US
Sold By	Penske Used Trucks

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

Newly Listed

Contact for price

Used 2019 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 457,978 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	457,978 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	231257
MLS Number	14113807
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Harrisonburg, VA, US
Sold By	Penske Used Trucks

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

Recently Updated

$60,250 USD

Used 2019 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 434,400 miles, 455 HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle,...

Condition	Used
Usage	434,644 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	224312
MLS Number	14062418
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Clackamas, OR, US
Sold By	Penske Used Trucks

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2022 Freightliner Cascadia 126 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

Recently Updated

$69,900 USD

For addtional infromation call: Martha Servin 323-1957,

Condition	Used
Usage	512,652 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
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	2626
MLS Number	13703252
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Los Angeles, CA, US
Sold By	TCI Transportation

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 450HP, 12 Speed Automatic

Newly Listed

$59,750 USD

Used 2023 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 611,682 miles, 450HP DD13 diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	611,682 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	UPP235616
MLS Number	14111428
Category	Sleeper Semi Trucks
Last Updated	1/27/2026
Location	Cross Lanes, WV, US
Sold By	Penske Used Trucks

2023 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Price Drop $47,000 USD

Used 2023 International LT625 Sleeper Semi Truck with 73" Integral Sleeper, Cummins X15 Diesel engine, 450 HP, 12-speed Eaton automatic transmission, 238" wheelbase, 280-gallon fuel capacity...

Condition	Used
Usage	636,479 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	UPP236072
MLS Number	14097092
Category	Sleeper Semi Trucks
Last Updated	1/27/2026
Location	Fresno, CA, US
Sold By	Penske Used Trucks

2023 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated

$65,500 USD

Used 2023 International LT625 Sleeper Semi Truck for sale, 465,372 miles, Cummins X15 diesel engine with 450 HP, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle...

Condition	Used
Usage	466,376 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	UPP236060
MLS Number	14082737
Category	Sleeper Semi Trucks
Last Updated	1/27/2026
Location	Torrance, CA, US
Sold By	Penske Used Trucks

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

Newly Listed

$101,500 USD

Used 2023 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 305,379 miles, 455HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle,...

Condition	Used
Usage	305,379 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 2.41 ratio
Stock Number	247329
MLS Number	14111427
Category	Sleeper Semi Trucks
Last Updated	1/27/2026
Location	Dallas, TX, US
Sold By	Penske Used Trucks

2024 Volvo VNL64760 Sleeper Semi Truck - 70" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$77,750 USD

Used 2024 Volvo VNL64760 Sleeper Semi Truck for sale, 595,216 miles, 455HP D13 diesel engine, 12-speed automatic transmission, 70" integral sleeper, tandem rear axle, air ride suspension....

Condition	Used
Usage	617,095 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	D13
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	198573
MLS Number	14040808
Category	Sleeper Semi Trucks
Last Updated	1/27/2026
Location	Jurupa Valley, CA, US
Sold By	Penske Used Trucks

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 450HP, 12 Speed Automatic

Newly Listed

$102,000 USD

Used 2023 Freightliner Cascadia 126 Sleeper Semi Truck, 237,410 miles, 450HP DD13 diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	237,410 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 2.85 ratio
Stock Number	226745
MLS Number	14111426
Category	Sleeper Semi Trucks
Last Updated	1/27/2026
Location	San Antonio, TX, US
Sold By	Penske Used Trucks

2023 Volvo VNL64760 Sleeper Semi Truck - 70" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$86,250 USD

Used 2023 Volvo VNL64760 Sleeper Semi Truck, 353,789 miles, 455HP D13 diesel engine, 12-speed automatic Volvo transmission, 70" integral sleeper, tandem rear axle, air ride suspension. See...

Condition	Used
Usage	353,874 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	D13
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	176242
MLS Number	13879462
Category	Sleeper Semi Trucks
Last Updated	1/27/2026
Location	East Chicago, IN, US
Sold By	Penske Used Trucks

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic

Recently Updated

$70,250 USD

Used 2023 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 467,344 miles, 475 HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle....

Condition	Used
Usage	467,345 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 2.85 ratio
Stock Number	461964
MLS Number	13512550
Category	Sleeper Semi Trucks
Last Updated	1/27/2026
Location	Aurora, CO, US
Sold By	Penske Used Trucks