12 Speed Sleeper Semi Trucks For Sale

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

Recently Updated

$50,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 623,630 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	623,630 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	351407
MLS Number	13803287
Category	Sleeper Semi Trucks
Last Updated	1/20/2026
Location	Boaz, AL, US
Sold By	Penske Used Trucks

2020 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Price Drop $40,250 USD

Used 2020 International LT625 Sleeper Semi Truck for sale, 342,265 miles, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	346,656 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 3.08 ratio
Stock Number	353504
MLS Number	13657266
Category	Sleeper Semi Trucks
Last Updated	1/20/2026
Location	Middlefield, OH, US
Sold By	Penske Used Trucks

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

Price Drop $57,995 USD

2020 FREIGHTLINER CASCADIA 126, DETROIT DD15, DETROIT DT12 AUTOMATIC TRANSMISSION, 453,524 MI, FLEET MAINTAINED FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON APPROVED...

Condition	Used
Usage	453,524 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	0739
MLS Number	14029246
Category	Sleeper Semi Trucks
Last Updated	1/20/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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

Recently Updated

$71,250 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 208,532 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 60" integral sleeper, tandem rear axle,...

Condition	Used
Usage	208,532 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	352265
MLS Number	13729841
Category	Sleeper Semi Trucks
Last Updated	1/20/2026
Location	Newark, OH, US
Sold By	Penske Used Trucks

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

Recently Updated

$60,250 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 458,570 miles, 505 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	458,570 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	352006
MLS Number	13800796
Category	Sleeper Semi Trucks
Last Updated	1/20/2026
Location	Clackamas, OR, US
Sold By	Penske Used Trucks

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

Recently Updated

$51,500 USD

Used 2020 Freightliner Cascadia 125 Sleeper Semi Truck for sale, 509,463 miles, 455 HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle,...

Condition	Used
Usage	509,511 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	349208
MLS Number	14013952
Category	Sleeper Semi Trucks
Last Updated	1/18/2026
Location	Piqua, OH, US
Sold By	Penske Used Trucks

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

Recently Updated

$54,250 USD

Used 2020 Freightliner Cascadia 125 Sleeper Semi Truck for sale, 465,664 miles, 72" integral sleeper, 455 HP DD15AT diesel engine, 12-speed automatic transmission, tandem rear axle, air ride...

Condition	Used
Usage	465,679 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	349207
MLS Number	14013951
Category	Sleeper Semi Trucks
Last Updated	1/18/2026
Location	Piqua, OH, US
Sold By	Penske Used Trucks

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

Recently Updated

$54,000 USD

Used 2020 Freightliner Cascadia 125 Sleeper Semi Truck, 455HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride suspension, diesel fuel...

Condition	Used
Usage	470,472 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	349204
MLS Number	13800740
Category	Sleeper Semi Trucks
Last Updated	1/18/2026
Location	Piqua, OH, US
Sold By	Penske Used Trucks

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

Recently Updated

$46,000 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	1/18/2026
Location	Minoa, NY, US
Sold By	Penske Used Trucks

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

Recently Updated

$55,000 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	1/18/2026
Location	Minoa, NY, US
Sold By	Penske Used Trucks

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

Recently Updated

$44,250 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	1/20/2026
Location	Suwanee, GA, US
Sold By	Penske Used Trucks

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

Recently Updated

$49,750 USD

Used 2019 Freightliner Cascadia 125 Sleeper Semi Truck, 472,339 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	472,339 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	226789
MLS Number	14051521
Category	Sleeper Semi Trucks
Last Updated	1/20/2026
Location	Greeley, CO, US
Sold By	Penske Used Trucks

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 73" Condo Sleeper, 455HP, 12 Speed Automatic

Newly Listed

$48,713 USD

Condition	Used
Usage	642,737 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	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	861219
MLS Number	14097192
Category	Sleeper Semi Trucks
Last Updated	1/18/2026
Location	Atlanta, GA, US
Sold By	Ryder

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

Newly Listed

$52,884 USD

Condition	Used
Usage	606,857 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	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	878802
MLS Number	14097189
Category	Sleeper Semi Trucks
Last Updated	1/18/2026
Location	Bolingbrook, IL, US
Sold By	Ryder

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

Newly Listed

$48,687 USD

Condition	Used
Usage	658,048 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	DD15 GHG'17 475/1625
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	876295
MLS Number	14097187
Category	Sleeper Semi Trucks
Last Updated	1/18/2026
Location	Knoxville, TN, US
Sold By	Ryder

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

Newly Listed

$48,808 USD

Condition	Used
Usage	597,227 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	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	813205
MLS Number	14097175
Category	Sleeper Semi Trucks
Last Updated	1/18/2026
Location	Hilliard, OH, US
Sold By	Ryder

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

Newly Listed

$58,038 USD

Condition	Used
Usage	538,409 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	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	245576
MLS Number	14097168
Category	Sleeper Semi Trucks
Last Updated	1/18/2026
Location	Hilliard, OH, US
Sold By	Ryder

2020 International LT625 Sleeper Semi Truck - 70" Condo Sleeper, 450HP, 12 Speed Automatic

Newly Listed

$36,811 USD

Condition	Used
Usage	607,988 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	X15 GHG'17 450/1800
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	229473
MLS Number	14097163
Category	Sleeper Semi Trucks
Last Updated	1/18/2026
Location	Hilliard, OH, US
Sold By	Ryder

2020 International LT625 Sleeper Semi Truck - 61" Condo Sleeper, 450HP, 12 Speed Automatic

Recently Updated

$42,574 USD

Condition	Used
Usage	508,523 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	X15 GHG'17 450/1800
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	61"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	229263
MLS Number	13856224
Category	Sleeper Semi Trucks
Last Updated	1/17/2026
Location	Charlotte, NC, US
Sold By	Ryder

2020 International LT625 Sleeper Semi Truck - 48" Condo Sleeper, 450HP, 12 Speed Automatic

Recently Updated

$43,995 USD

Condition	Used
Usage	503,980 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	X15 GHG'17 450/1800
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	48"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	252686
MLS Number	13783608
Category	Sleeper Semi Trucks
Last Updated	1/17/2026
Location	Converse, TX, US
Sold By	Ryder

2020 International LT625 Sleeper Semi Truck - 72" Condo Sleeper, 450HP, 12 Speed Automatic

Recently Updated

$40,495 USD

Condition	Used
Usage	525,507 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	X15 GHG'17 450/1800
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	238530
MLS Number	13767685
Category	Sleeper Semi Trucks
Last Updated	1/17/2026
Location	Greenville, SC, US
Sold By	Ryder

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 60" Integral Sleeper, 450HP, 12 Speed Automatic

Newly Listed

$52,500 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 553,679 miles, 450HP DD13 diesel engine, 12-speed Detroit automatic transmission, 60" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	553,679 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	4926
MLS Number	14097120
Category	Sleeper Semi Trucks
Last Updated	1/18/2026
Location	Londonderry, NH, US
Sold By	Penske Used Trucks

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

Newly Listed

$86,750 USD

Used 2023 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 337,215 miles, 455 HP DD15AT engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	337,215 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	263369
MLS Number	14097117
Category	Sleeper Semi Trucks
Last Updated	1/18/2026
Location	Reading, PA, US
Sold By	Penske Used Trucks

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

Newly Listed

$57,750 USD

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

Condition	Used
Usage	674,955 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	UPP235677
MLS Number	14097116
Category	Sleeper Semi Trucks
Last Updated	1/17/2026
Location	San Antonio, TX, US
Sold By	Penske Used Trucks