Freightliner 12 Speed Trucks For Sale

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2021 Freightliner Cascadia 126 Sleeper Semi Truck- 72in Condo , Double Bunk ,455HP , Carrier APU

$59,950 USD

For sale: 2021 Freightliner Cascadia with 502,000 miles, powered by a reliable Detroit engine and DT12 automatic transmission. Features a spacious 72-inch condo sleeper with double bunk,...

Warranty

Condition	Used
Usage	10,393 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Double Bunk
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	UMJ9351
MLS Number	13756361
Category	Sleeper Semi Trucks
Last Updated	11/25/2025
Location	Springfield, MO, US
Sold By	Tri State Truck Center - Springfield, MO

Tri State Truck Center - Springfield, MO

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

Price Drop $48,500 USD

Used 2019 Freightliner Cascadia 126 Sleeper Semi Truck, 484,941 miles, 455 HP DD15AT diesel engine, 12-speed automatic transmission by Detroit, 72" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	484,941 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	325001
MLS Number	13722436
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Baltimore, MD, US
Sold By	Penske Used Trucks

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

$78,250 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 367,647 miles, 455 HP DD15AT diesel engine, 12-speed automatic transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	367,647 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	462251
MLS Number	13827418
Category	Sleeper Semi Trucks
Last Updated	1/4/2026
Location	East Chicago, IN, US
Sold By	Penske Used Trucks

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

$45,250 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck with 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, 220-gallon fuel...

Condition	Used
Usage	614,790 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	334413
MLS Number	13452532
Category	Sleeper Semi Trucks
Last Updated	1/8/2026
Location	Loveland, CO, US
Sold By	Penske Used Trucks

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

$64,500 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 418,147 miles, 400HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	418,147 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	EPES21208
MLS Number	13827389
Category	Sleeper Semi Trucks
Last Updated	1/4/2026
Location	Katy, TX, US
Sold By	Penske Used Trucks

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

$63,500 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 457,149 miles, 400 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	457,149 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	EPES21123
MLS Number	13827388
Category	Sleeper Semi Trucks
Last Updated	12/25/2025
Location	Valdosta, GA, US
Sold By	Penske Used Trucks

2019 Freightliner Cascadia 125 Day Cab Truck - 455HP, 12 Speed Automatic

$38,846 USD

Condition	Used
Usage	519,383 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	455 HP
Engine Model	DD15AT'17 455/1650
Transmission	12 Speed
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	869539
MLS Number	13542534
Category	Day Cab Semi Trucks
Last Updated	10/17/2025
Location	Birmingham, AL, US
Sold By	Ryder

2018 Freightliner Cascadia 113 Sleeper Semi Truck - 60" Mid Roof Sleeper, 450HP, 12 Speed Automatic

$61,582 USD

Condition	Used
Usage	402,365 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	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	222122
MLS Number	12698815
Category	Sleeper Semi Trucks
Last Updated	10/17/2025
Location	Miami, FL, US
Sold By	Ryder

2020 Freightliner Cascadia 125 Sleeper Semi Truck - 42" Mid Roof Sleeper, 455HP, 12 Speed Automatic

$50,495 USD

Condition	Used
Usage	594,617 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
Transmission	12 Speed
Sleeper Type	Mid Roof Sleeper
Sleeper Size	42"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	230348
MLS Number	13739250
Category	Sleeper Semi Trucks
Last Updated	1/21/2026
Location	Oak Creek, WI, US
Sold By	Ryder

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

$37,995 USD

Condition	Used
Usage	756,955 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	264944
MLS Number	13737200
Category	Sleeper Semi Trucks
Last Updated	1/21/2026
Location	Syracuse, NY, US
Sold By	Ryder

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2016 Freightliner Cascadia 125 Day Cab Truck - Detroit 410HP, 12 Speed Amt

$24,500 USD

2016 Freightliner Cascadia Daycab, 410hp Detroit DD13, 12spd Manual Transmission, 550k MI, Air ride suspension, 175in Wheelbase, Nationwide Delivery Available

Condition	Used
Usage	550,298 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	410 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	4300
MLS Number	13825838
Category	Day Cab Semi Trucks
Last Updated	9/20/2025
Location	Sawyer, KS, US
Sold By	The Wrays, LLC

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

$56,000 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 571,657 miles, 455 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	571,657 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	464237
MLS Number	13753713
Category	Sleeper Semi Trucks
Last Updated	1/14/2026
Location	East Chicago, IN, US
Sold By	Penske Used Trucks

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

$73,500 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 238,242 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 60" integral sleeper, tandem rear axle....

Condition	Used
Usage	238,242 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	352300
MLS Number	13824491
Category	Sleeper Semi Trucks
Last Updated	1/4/2026
Location	Odessa, TX, US
Sold By	Penske Used Trucks

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

Price Drop $51,750 USD

Used 2019 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 487,710 miles, 455 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	487,710 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	227510
MLS Number	13824244
Category	Sleeper Semi Trucks
Last Updated	1/11/2026
Location	Essex, MD, US
Sold By	Penske Used Trucks

(833) 801-___ SHOW
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2017 Freightliner Cascadia 125 Day Cab Truck - Detroit 450HP, 12 Speed Dt12 Amt

$11,000 USD

GOOD TRUCK, RUNS GREAT, FLEET MAINTAINED, AIR SEAT, AIR BRAKES, TILT/TELE, POWER WINDOWS, POWER MIRRORS, HEATED MIRRORS, DIFFERENTIAL LOCK, DUMP VALVE, SLIDING 5TH WHEEL! WELL MAINTANED...

Condition	Used
Usage	807,245 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x2
Transmission	12 Speed Detroit DT12 Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.50 ratio
Stock Number	17DET807CASDC
MLS Number	13616795
Category	Day Cab Semi Trucks
Last Updated	11/10/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

2020 Freightliner Cascadia 125 Day Cab Truck - 455HP, 12 Speed Automatic

$57,399 USD

Condition	Used
Usage	290,378 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	455 HP
Engine Model	DD15'17 GHG 455/1625
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.47 ratio
Stock Number	286380
MLS Number	13510845
Category	Day Cab Semi Trucks
Last Updated	12/10/2025
Location	Beltsville, MD, US
Sold By	Ryder

2021 Freightliner Cascadia 116 Single Axle Day Cab Truck - 410HP, 12 Speed Automatic

$30,000 USD

Condition	Used
Usage	689,048 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	410 HP
Engine Model	DD13 GHG'21 410/1625
Transmission	12 Speed
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	2.50 ratio
Stock Number	270446
MLS Number	13718950
Category	Day Cab Semi Trucks
Last Updated	12/10/2025
Location	Memphis, TN, US
Sold By	Ryder

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

$54,000 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck with 72" integral sleeper, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension,...

Condition	Used
Usage	607,143 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	464254
MLS Number	13822854
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Orlando, FL, US
Sold By	Penske Used Trucks

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic

Price Drop $48,000 USD

Used 2019 Freightliner Cascadia 126 Sleeper Semi Truck, 570,789 miles, 400HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	570,789 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	256561
MLS Number	13711391
Category	Sleeper Semi Trucks
Last Updated	1/23/2026
Location	Phoenix, AZ, US
Sold By	Penske Used Trucks

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

$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

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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2015 Freightliner Cascadia 125 Day Cab Truck - Detroit 435HP, 12 Speed Dt12 Amt

$23,900 USD

417,949 Miles, DD13 435 HP, DT12 Automated HD, 3.25 Ratio, 178" WB, 12,000# Fronts, 40,000# Rears, Air Slide 5th Wheel, Inter-Axle Lock, Air Suspension Dump, Power Windows/Mirrors,

Condition	Used
Usage	417,949 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	435 HP
Engine Model	Detroit DD13
Drivetrain	6x2
Transmission	12 Speed Detroit DT12 Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	GC9807
MLS Number	13502023
Category	Day Cab Semi Trucks
Last Updated	10/23/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2020 Freightliner Cascadia 125 Day Cab Truck - 505HP, 12 Speed Automatic

$33,492 USD

Condition	Used
Usage	537,597 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	505 HP
Engine Model	DD13'17 505HP @1625
Transmission	12 Speed
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.25 ratio
Stock Number	286941
MLS Number	13819050
Category	Day Cab Semi Trucks
Last Updated	1/21/2026
Location	Salisbury, MA, US
Sold By	Ryder

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

$40,000 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	1/21/2026
Location	Jacksonville, FL, US
Sold By	Penske Used Trucks