12 Speed Sleeper Semi Trucks with Air Ride Suspension For Sale

1351 - 1375 of 2,891 listings

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, 390,712 miles, 400HP DD15AT diesel, 72" integral sleeper, 12-speed automatic Detroit transmission, tandem rear axle, air ride...

Condition	Used
Usage	390,727 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	EPES21203
MLS Number	13870159
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Concord, NC, US
Sold By	Penske Used Trucks

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

$59,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 480,815 miles, 400HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	480,816 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	EPES21171
MLS Number	13854091
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Greensboro, NC, US
Sold By	Penske Used Trucks

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

$48,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck, 586,240 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	586,241 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	373374
MLS Number	13755624
Category	Sleeper Semi Trucks
Last Updated	1/31/2026
Location	Milwaukee, WI, US
Sold By	Penske Used Trucks

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

$59,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 447,943 miles, 60" integral sleeper, 455 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, tandem rear axle....

Condition	Used
Usage	447,993 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	352761
MLS Number	14014059
Category	Sleeper Semi Trucks
Last Updated	2/3/2026
Location	La Porte, IN, US
Sold By	Penske Used Trucks

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2019 Freightliner Cascadia 125 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 475HP, 10 Speed Manual

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26 Available, Starting @ $18,000 - $60,500, 2016 - 2022, Miles: 432k - 896k, Detroit Cummins, 450/455/475 HP, Manual Auto's, Mid-Roof Sleepers, Fleet Maintained, Clean VIN History, Some...

Condition	Used
Usage	565,756 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.31 ratio
Stock Number	CASCADIA-GROUP
MLS Number	13738439
Category	Sleeper Semi Trucks
Last Updated	12/24/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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2020 Peterbilt 579 Sleeper Semi Truck - 70" Mid Roof Sleeper, Paccar 455HP, 12 Speed Automatic

$50,495 USD

SUPER CLEAN .LOW MILES.PACCAR MX13 455HP .12 SPD AUTOMATIC.70"SLEEPER.FULL LOCKING REARS.VIRGIN TIRES. GREAt START OUT TRUCK

Condition	Used
Usage	513,910 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	14830C
MLS Number	13716743
Category	Sleeper Semi Trucks
Last Updated	1/15/2026
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

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2020 Freightliner Cascadia 126 Sleeper Semi Truck - 36" Condo Sleeper, 455HP, 12 Speed Automatic

$58,488 USD

Condition	Used
Usage	484,287 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	36"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	880709
MLS Number	14058098
Category	Sleeper Semi Trucks
Last Updated	12/23/2025
Location	Altoona, IA, US
Sold By	Ryder

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2020 Freightliner Cascadia 126 Sleeper Semi Truck - 48" Mid Roof Sleeper, 450HP, 12 Speed Automatic

$59,623 USD

Condition	Used
Usage	544,509 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	DD13 GHG'17 450/1625
Transmission	12 Speed
Sleeper Type	Mid Roof Sleeper
Sleeper Size	48"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	880014
MLS Number	14058097
Category	Sleeper Semi Trucks
Last Updated	12/23/2025
Location	Charlotte, NC, US
Sold By	Ryder

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2019 Freightliner Cascadia 125 Sleeper Semi Truck - 36" Condo Sleeper, 455HP, 12 Speed Automatic

$52,059 USD

Condition	Used
Usage	593,532 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	36"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	869371
MLS Number	14058095
Category	Sleeper Semi Trucks
Last Updated	12/23/2025
Location	Birmingham, AL, US
Sold By	Ryder

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

$41,351 USD

Condition	Used
Usage	570,639 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	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	239593
MLS Number	14058062
Category	Sleeper Semi Trucks
Last Updated	12/23/2025
Location	Beltsville, MD, US
Sold By	Ryder

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

$55,966 USD

Condition	Used
Usage	399,045 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	227919
MLS Number	14058061
Category	Sleeper Semi Trucks
Last Updated	12/23/2025
Location	Oak Creek, WI, US
Sold By	Ryder

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2016 Freightliner Cascadia 125 Sleeper Semi Truck - 75" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$12,000 USD

GOOD TRUCK, RUNS EXCELLENT, DOUBLE BUNK, DUAL AIR RIDE SEATS, DIFFERENTIAL LOCK, DUMP VALVE, SLIDING 5TH WHEEL, POWER WINDOWS, HEATED MIRRORS, POWER MIRRORS!!,

Condition	Used
Usage	845,499 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	75"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.07 ratio
Stock Number	16DET845CAS
MLS Number	14057182
Category	Sleeper Semi Trucks
Last Updated	12/23/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

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

$60,750 USD

Used 2022 International LT625 Sleeper Semi Truck with 73" integral sleeper, Cummins X15 diesel engine, 450 HP, 12-speed Eaton automatic transmission, tandem rear axle, and 240-gallon fuel...

Condition	Used
Usage	403,012 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	448514
MLS Number	13865376
Category	Sleeper Semi Trucks
Last Updated	2/3/2026
Location	San Antonio, TX, US
Sold By	Penske Used Trucks

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2020 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 400HP, 12 Speed Dt12 Automatic

Contact for price

this unit is ready for deliver,

Condition	Used
Usage	601,404 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	2573
MLS Number	13993586
Category	Sleeper Semi Trucks
Last Updated	12/23/2025
Location	North Las Vegas, NV, US
Sold By	TCI Transportation

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2021 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, 450HP, 12 Speed Automatic

Price Drop $35,000 USD

Used 2021 International LT625 Sleeper Semi Truck for sale, 302,064 miles, 450HP A26 diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	302,184 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	A26
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	365641
MLS Number	14014936
Category	Sleeper Semi Trucks
Last Updated	2/3/2026
Location	Montgomery, NY, US
Sold By	Penske Used Trucks

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

$51,750 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 612,353 miles, 72" integral sleeper, 455 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, tandem rear axle,...

Condition	Used
Usage	612,353 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	385348
MLS Number	13415631
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Springfield, MO, US
Sold By	Penske Used Trucks

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

Price Drop $49,750 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 684,823 miles, 72" integral sleeper, 455HP DD15AT engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride...

Condition	Used
Usage	684,832 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	385329
MLS Number	14055784
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Fontana, CA, US
Sold By	Penske Used Trucks

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

$58,500 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 503,109 miles, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	506,082 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	385015
MLS Number	13581814
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Harrisburg, PA, US
Sold By	Penske Used Trucks

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

$49,000 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 575,201 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, air ride suspension...

Condition	Used
Usage	575,225 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	334592
MLS Number	13879382
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Braintree, MA, US
Sold By	Penske Used Trucks

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2021 International RH613 Sleeper Semi Truck - 56" Integral Sleeper, 450HP, 12 Speed Automatic

$38,000 USD

Used 2021 International RH613 Sleeper Semi Truck for sale, 228,950 miles, 450HP A26 diesel engine, 12-speed Eaton automatic transmission, 56” integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	228,957 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	A26
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	56"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	321797
MLS Number	13531347
Category	Sleeper Semi Trucks
Last Updated	1/29/2026
Location	Phoenix, AZ, US
Sold By	Penske Used Trucks

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

$43,500 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck, 686,356 miles, 455 HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle, air ride...

Condition	Used
Usage	686,356 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	364694
MLS Number	14055740
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Toledo, OH, US
Sold By	Penske Used Trucks

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

$47,500 USD

Condition	Used
Usage	753,781 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	266769
MLS Number	14054286
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Miami, FL, US
Sold By	Ryder

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2020 Freightliner Cascadia 126 Sleeper Semi Truck - 80" Condo Sleeper, 455HP, 12 Speed Automatic

$36,657 USD

Condition	Used
Usage	816,299 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	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	878832
MLS Number	14054280
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Tampa, FL, US
Sold By	Ryder

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2020 Freightliner Cascadia 125 Sleeper Semi Truck - 71" Condo Sleeper, 455HP, 12 Speed Automatic

$47,916 USD

Condition	Used
Usage	628,442 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	71"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	884463
MLS Number	14054275
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Doraville, GA, US
Sold By	Ryder

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2021 Freightliner Cascadia 126 Sleeper Semi Truck - 60" Condo Sleeper, 455HP, 12 Speed Automatic

$46,080 USD

Condition	Used
Usage	774,662 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	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.16 ratio
Stock Number	504189
MLS Number	14054269
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Commerce City, CO, US
Sold By	Ryder

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12 Speed Sleeper Semi Trucks with Air Ride Suspension For Sale

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