12 Speed Sleeper Semi Trucks with Air Ride Suspension For Sale

2626 - 2650 of 2,922 listings

2022 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

$54,750 USD

Used 2022 International LT625 Sleeper Semi Truck for sale, 410,804 miles, Cummins X15 diesel engine with 450 HP, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle...

Condition	Used
Usage	410,804 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 3.25 ratio
Stock Number	401377
MLS Number	13820899
Category	Sleeper Semi Trucks
Last Updated	1/14/2026
Location	East Chicago, IN, US
Sold By	Penske Used Trucks

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

Price Drop $48,750 USD

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

Condition	Used
Usage	571,175 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	389157
MLS Number	13703517
Category	Sleeper Semi Trucks
Last Updated	1/4/2026
Location	Concord, NC, US
Sold By	Penske Used Trucks

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2022 Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$47,750 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck, 72" Integral Sleeper, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, 13,300lb front axle,...

Condition	Used
Usage	583,614 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	394090
MLS Number	12772318
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	Wickliffe, OH, US
Sold By	Penske Used Trucks

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2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic

Price Drop $61,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 442,201 miles, 400HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	442,201 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	EPES21077
MLS Number	13820486
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Augusta, GA, US
Sold By	Penske Used Trucks

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2017 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 450HP, 12 Speed Automatic

$39,500 USD

Used 2017 Freightliner Cascadia 125 Sleeper Semi Truck for sale, 676,810 miles, 450HP DD15 diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	676,810 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	DD15
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	703408
MLS Number	12370501
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Jacksonville, FL, US
Sold By	Penske Used Trucks

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2021 Volvo VNL64760 Sleeper Semi Truck - 70" Integral Sleeper, 455HP, 12 Speed Automatic

$58,750 USD

Used 2021 Volvo VNL64760 Sleeper Semi Truck for sale, 524,156 miles, 455HP D13 diesel engine, 12-speed automatic Volvo transmission, 70" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	524,156 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	380242
MLS Number	13769649
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	East Chicago, IN, US
Sold By	Penske Used Trucks

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2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic

$69,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 405,261 miles, 400 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	405,261 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	EPES21163
MLS Number	13816072
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Chester, VA, US
Sold By	Penske Used Trucks

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2020 Freightliner Cascadia 126 Sleeper Semi Truck - 48" Integral Sleeper, 455HP, 12 Speed Automatic

$59,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 499,838 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 48" integral sleeper, tandem rear axle,...

Condition	Used
Usage	499,838 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	48"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	357043
MLS Number	13816017
Category	Sleeper Semi Trucks
Last Updated	10/27/2025
Location	Jacksonville, FL, US
Sold By	Penske Used Trucks

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

Price Drop $59,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 461,047 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	461,047 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	303443
MLS Number	13815597
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Fontana, CA, US
Sold By	Penske Used Trucks

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

Price Drop $55,000 USD

Used 2019 Freightliner Cascadia 125 Sleeper Semi Truck for sale, 417,342 miles, 455HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	417,342 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	226797
MLS Number	13815521
Category	Sleeper Semi Trucks
Last Updated	1/4/2026
Location	West Sacramento, CA, US
Sold By	Penske Used Trucks

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2021 Freightliner Cascadia 126 Sleeper Semi Truck

$49,500 USD

Condition	Used
Usage	620,701 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.47 ratio
Stock Number	CP5832
MLS Number	13765832
Category	Sleeper Semi Trucks
Last Updated	9/16/2025
Location	Strafford, MO, US
Sold By	HD Trucks LLC

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2021 Freightliner Cascadia 126 Sleeper Semi Truck

$49,500 USD

Condition	Used
Usage	620,071 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.47 ratio
Stock Number	CP8640
MLS Number	13778640
Category	Sleeper Semi Trucks
Last Updated	9/16/2025
Location	Strafford, MO, US
Sold By	HD Trucks LLC

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2021 Freightliner Cascadia 126 Sleeper Semi Truck

$49,500 USD

Condition	Used
Usage	618,968 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.47 ratio
Stock Number	CP7629
MLS Number	13761278
Category	Sleeper Semi Trucks
Last Updated	9/16/2025
Location	Strafford, MO, US
Sold By	HD Trucks LLC

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2021 Freightliner Cascadia 126 Sleeper Semi Truck

$49,500 USD

Condition	Used
Usage	615,629 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.47 ratio
Stock Number	CP1282
MLS Number	13761282
Category	Sleeper Semi Trucks
Last Updated	9/16/2025
Location	Strafford, MO, US
Sold By	HD Trucks LLC

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2021 Freightliner Cascadia 126 Sleeper Semi Truck

$49,500 USD

Condition	Used
Usage	614,462 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.47 ratio
Stock Number	CP8639
MLS Number	13778639
Category	Sleeper Semi Trucks
Last Updated	9/16/2025
Location	Strafford, MO, US
Sold By	HD Trucks LLC

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2021 Freightliner Cascadia 126 Sleeper Semi Truck

$49,500 USD

Condition	Used
Usage	611,442 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.47 ratio
Stock Number	CP8638
MLS Number	13778638
Category	Sleeper Semi Trucks
Last Updated	9/16/2025
Location	Strafford, MO, US
Sold By	HD Trucks LLC

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2021 Freightliner Cascadia 126 Sleeper Semi Truck

$49,500 USD

Condition	Used
Usage	609,854 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.47 ratio
Stock Number	CP8637
MLS Number	13778637
Category	Sleeper Semi Trucks
Last Updated	9/16/2025
Location	Strafford, MO, US
Sold By	HD Trucks LLC

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2021 Freightliner Cascadia 126 Sleeper Semi Truck

$50,750 USD

Condition	Used
Usage	599,438 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.47 ratio
Stock Number	CP8636
MLS Number	13778636
Category	Sleeper Semi Trucks
Last Updated	12/16/2025
Location	Strafford, MO, US
Sold By	HD Trucks LLC

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2021 Freightliner Cascadia 126 Sleeper Semi Truck

$51,500 USD

Condition	Used
Usage	588,126 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.47 ratio
Stock Number	CP8635
MLS Number	13778635
Category	Sleeper Semi Trucks
Last Updated	9/16/2025
Location	Strafford, MO, US
Sold By	HD Trucks LLC

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2021 Freightliner Cascadia 126 Sleeper Semi Truck

$51,500 USD

Condition	Used
Usage	586,401 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.47 ratio
Stock Number	CP1280
MLS Number	13761280
Category	Sleeper Semi Trucks
Last Updated	9/16/2025
Location	Strafford, MO, US
Sold By	HD Trucks LLC

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2021 Freightliner Cascadia 126 Sleeper Semi Truck

$53,750 USD

Condition	Used
Usage	574,774 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.47 ratio
Stock Number	CP5845
MLS Number	13765845
Category	Sleeper Semi Trucks
Last Updated	9/16/2025
Location	Strafford, MO, US
Sold By	HD Trucks LLC

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2021 Freightliner Cascadia 126 Sleeper Semi Truck

$53,750 USD

Condition	Used
Usage	567,937 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.47 ratio
Stock Number	CP6651
MLS Number	13766651
Category	Sleeper Semi Trucks
Last Updated	9/16/2025
Location	Strafford, MO, US
Sold By	HD Trucks LLC

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2021 Freightliner Cascadia 126 Sleeper Semi Truck

$57,950 USD

Condition	Used
Usage	520,426 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.47 ratio
Stock Number	CP5833
MLS Number	13765833
Category	Sleeper Semi Trucks
Last Updated	9/16/2025
Location	Strafford, MO, US
Sold By	HD Trucks LLC

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2021 Freightliner Cascadia 126 Sleeper Semi Truck

$58,500 USD

Condition	Used
Usage	517,578 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.47 ratio
Stock Number	CP1281
MLS Number	13761281
Category	Sleeper Semi Trucks
Last Updated	9/16/2025
Location	Strafford, MO, US
Sold By	HD Trucks LLC

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2021 Freightliner Cascadia 126 Sleeper Semi Truck

$58,500 USD

Condition	Used
Usage	508,304 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.47 ratio
Stock Number	CP5834
MLS Number	13765834
Category	Sleeper Semi Trucks
Last Updated	9/16/2025
Location	Strafford, MO, US
Sold By	HD Trucks LLC

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12 Speed Sleeper Semi Trucks with Air Ride Suspension For Sale

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