Used 12 Speed Tandem Axle Sleeper Semi Trucks For Sale

(844) 687-___ SHOW
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Tri State Truck Center - Springfield, MO

Featured Item

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 76" Raised Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Automatic

Recently Updated

$109,950 USD

2023 Freightliner Cascadia 126 Sleeper – Detroit DD15 450 HP, DT12 Automatic, 76” Raised Roof Double Bunk, 191K Miles This 2023 Freightliner Cascadia 126 is a well-maintained, Class 8...

Condition	Used
Usage	191,443 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	MO11105
MLS Number	14109181
Category	Sleeper Semi Trucks
Last Updated	2/11/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

Featured Item

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

$42,460 USD

Condition	Used
Usage	510,203 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	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	240123
MLS Number	14073797
Category	Sleeper Semi Trucks
Last Updated	2/4/2026
Location	Springfield, MA, US
Sold By	Ryder

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Featured Item

2019 Peterbilt 579 Sleeper Semi Truck - 80" Mid Roof Sleeper, Paccar 455HP, 12 Speed Endurant Automatic

$32,950 USD

AVAILABLE FOR SALE: 2019 PETERBILT 579 SLEEPER IN KANSAS CITY, MO WAITING FOR INSPECTION AND DETAIL.. FUEL-EFFICIENT, DRIVER-FOCUSED, AND READY TO WORK!!! CALL AMERICAN TRUCK CENTERS FOR...

Condition	Used
Usage	538,858 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	80"
Suspension	Flex Air
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	MO11032
MLS Number	14064737
Category	Sleeper Semi Trucks
Last Updated	1/30/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

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Featured Item

2024 Kenworth T680 Sleeper Semi Truck - 52" Mid Roof Sleeper, Paccar 510HP, 12 Speed Endurant Automatic

$89,950 USD

This 2024 Kenworth T680 comes with a remaining 6 year / 600,000 mile PACCAR Premium Warranty, giving owner operators and fleets rare long-term protection on the engine and aftertreatment...

Condition	Used
Usage	120,165 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	52"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	CO11033
MLS Number	14053873
Category	Sleeper Semi Trucks
Last Updated	1/30/2026
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

(833) 490-___ SHOW
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Featured Item

2021 International LT625 Sleeper, Affordable, Cummins X15 450hp, Dot Passing, Fresh Detail, Warranty Options , Zero Down Financing (WAC)

$39,950 USD

Grab this road-ready 2021 International LT before it’s gone—low-mileage Cummins X15 450HP powerhouse, butter-smooth 12-speed automatic, 215 WB, 2.79 rears with massive 200-gallon fuel...

Warranty

Quantity	13
Condition	Used
Usage	497,005 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15, Signature
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	56"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.00 ratio
Stock Number	U066841
MLS Number	13999606
Category	Sleeper Semi Trucks
Last Updated	2/12/2026
Location	Springfield, MO, US
Sold By	Tri State Truck Center - Springfield, MO

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

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Featured Item

2023 Freightliner Cascadia 126 Sleeper, New Drive Tires, FACTORY WARRANTY REMAINING , Cummins X15 Engine , 500HP !!! Fridge , Apu , Financing

$62,950 USD

For sale: a powerhouse 2023 Freightliner Cascadia with just 488,000 well-maintained miles, ready to tackle your heaviest hauls! Powered by the legendary Cummins X15 500HP engine paired with...

Warranty

Condition	Used
Usage	488,847 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	UUG1661
MLS Number	13999600
Category	Sleeper Semi Trucks
Last Updated	2/12/2026
Location	Springfield, MO, US
Sold By	Tri State Truck Center - Springfield, MO

2020 Volvo VNR64T-640 Sleeper Semi Truck - 65" Condo Sleeper, 425HP, 12 Speed Automatic

Newly Listed

$41,781 USD

Condition	Used
Usage	691,202 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	D13'17 425/2100
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	65"
Suspension	Leaf Springs
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	243572
MLS Number	14143258
Category	Sleeper Semi Trucks
Last Updated	2/14/2026
Location	Phoenix, AZ, US
Sold By	Ryder

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 70" Condo Sleeper, 400HP, 12 Speed Automatic

Newly Listed

$59,237 USD

Condition	Used
Usage	572,255 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	DD15'14 400/1625
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.15 ratio
Stock Number	240030
MLS Number	14143256
Category	Sleeper Semi Trucks
Last Updated	2/14/2026
Location	Phoenix, AZ, US
Sold By	Ryder

2020 Freightliner Cascadia 116 Sleeper Semi Truck - 48" Condo Sleeper, 450HP, 12 Speed Automatic

Newly Listed

$86,193 USD

Condition	Used
Usage	363,422 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	DD13 GHG'17 450/1625
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	48"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.25 ratio
Stock Number	275662
MLS Number	14143247
Category	Sleeper Semi Trucks
Last Updated	2/14/2026
Location	Tampa, FL, US
Sold By	Ryder

2019 International LT625 Sleeper Semi Truck - 71" Condo Sleeper, 450HP, 12 Speed Automatic

Newly Listed

$48,247 USD

Condition	Used
Usage	461,380 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	71"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	899023
MLS Number	14143241
Category	Sleeper Semi Trucks
Last Updated	2/14/2026
Location	Dallas, TX, US
Sold By	Ryder

2020 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Condo Sleeper, 400HP, 12 Speed Automatic

Newly Listed

$67,864 USD

Condition	Used
Usage	455,432 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	DD15 GHG'17 400/1625
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.41 ratio
Stock Number	877566
MLS Number	14143239
Category	Sleeper Semi Trucks
Last Updated	2/14/2026
Location	Birmingham, AL, US
Sold By	Ryder

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

Newly Listed

$55,982 USD

Condition	Used
Usage	528,491 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	875216
MLS Number	14143219
Category	Sleeper Semi Trucks
Last Updated	2/14/2026
Location	Birmingham, AL, US
Sold By	Ryder

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

Recently Updated

$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	2/14/2026
Location	Houston, TX, US
Sold By	Ryder

2018 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Condo Sleeper, 455HP, 12 Speed Automatic

Newly Listed

$61,444 USD

Condition	Used
Usage	469,796 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15'17 GHG 455/1625
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	583613
MLS Number	14143200
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Beltsville, MD, US
Sold By	Ryder

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

Newly Listed

Contact for price

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

Condition	Used
Usage	734,957 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	UPP235649
MLS Number	14143065
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Oklahoma City, OK, US
Sold By	Penske Used Trucks

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

Newly Listed

Contact for price

Used 2023 International LT625 Sleeper Semi Truck with 450HP Cummins X15 engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air ride suspension, 280-gallon...

Condition	Used
Usage	612,083 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	UPP236468
MLS Number	14143063
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Columbus, OH, US
Sold By	Penske Used Trucks

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

Newly Listed

$49,750 USD

Used 2023 International LT625 Sleeper Semi Truck for sale, 612,475 miles, 450HP Cummins X15 engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	612,475 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	UPP236419
MLS Number	14143062
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Las Vegas, NV, US
Sold By	Penske Used Trucks

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

Recently Updated

$68,750 USD

Used 2023 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 609,222 miles, 450HP DD13 diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	609,224 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	UPP236152
MLS Number	14118559
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Fontana, CA, US
Sold By	Penske Used Trucks

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

Recently Updated

$49,000 USD

Used 2023 International LT625 Sleeper Semi Truck for sale, 563,991 miles, Cummins 450HP X15 diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle,...

Condition	Used
Usage	564,015 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	UPP235917
MLS Number	14124212
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Brooklyn Park, MN, US
Sold By	Penske Used Trucks

2023 Volvo VNL64860 Sleeper Semi Truck - 77" Integral Sleeper, 455HP, 12 Speed Automatic

Newly Listed

$61,000 USD

Used 2023 Volvo VNL64860 Sleeper Semi Truck with 77" integral sleeper, 455HP D13 TC diesel engine, 12-speed automatic transmission, tandem rear axle, air ride suspension, and 200-gal fuel...

Condition	Used
Usage	769,849 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	D13 TC
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	77"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	183484
MLS Number	14143058
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Sparks, NV, US
Sold By	Penske Used Trucks

2023 Volvo VNL64860 Sleeper Semi Truck - 77" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$88,750 USD

Used 2023 Volvo VNL64860 Sleeper Semi Truck for sale, 425,177 miles, 455HP D13 TC engine, 12-speed automatic transmission, 77" integral sleeper, tandem rear axle, air ride suspension, diesel...

Condition	Used
Usage	425,191 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	D13 TC
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	77"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	167049
MLS Number	14094652
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Olive Branch, MS, US
Sold By	Penske Used Trucks

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

Newly Listed

$72,000 USD

Used 2023 Volvo VNL64760 Sleeper Semi Truck for sale, 572,526 miles, 455HP D13 diesel engine, 12-speed automatic transmission, 70" integral sleeper, tandem rear axle, 200-gallon fuel...

Condition	Used
Usage	572,526 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	451498
MLS Number	14143055
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Dallas, TX, US
Sold By	Penske Used Trucks

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

Newly Listed

$61,000 USD

Used 2023 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 604,073 miles, 455HP DD15AT diesel engine, 12-speed automatic transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	604,073 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	590644
MLS Number	14143053
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Edison, NJ, US
Sold By	Penske Used Trucks