Freightliner 12 Speed Automatic Trucks For Sale

(833) 627-___ SHOW
NUMBERCall Seller

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

$54,900 USD

FACTORY WARRANTY ACTIVE 500K MILES OR 5 YEARS✅ , Well Maintained Fleet Truck ✅ , Fully Serviced ✅ , Road Ready ✅ Direct Call to Sales!!, David, Ana,

Condition	Used
Usage	407,410 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	LP5959
MLS Number	12686029
Category	Sleeper Semi Trucks
Last Updated	6/10/2025
Location	Edinburg, TX, US
Sold By	DeLucio USA

(833) 627-___ SHOW
NUMBERCall Seller

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

$54,900 USD

FACTORY WARRANTY ACTIVE 500K MILES OR 5 YEARS✅ , Camera System Active for side mirrors ✅, Well Maintained Fleet Truck ✅ , Fully Serviced ✅ , Road Ready ✅ Direct Call to Sales!!,...

Condition	Used
Usage	401,432 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	LP6503
MLS Number	12685993
Category	Sleeper Semi Trucks
Last Updated	6/10/2025
Location	Edinburg, TX, US
Sold By	DeLucio USA

2017 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$37,000 USD

Used 2017 Freightliner Cascadia 125 Sleeper Semi Truck, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, 220-gal fuel capacity....

Condition	Used
Usage	670,457 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	718254
MLS Number	13630903
Category	Sleeper Semi Trucks
Last Updated	1/15/2026
Location	De Pere, WI, US
Sold By	Penske Used Trucks

(909) 202-___ SHOW
NUMBERCall Seller

2023 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

$99,800 USD

Nice Fleet owned Truck, Brand new American Virgin Tires, Fully serviced, EW4 Warranty In house finance on A.O.C, Outside lenders, First time Buyer Program Hablo Español,

Condition	Used
Usage	299,889 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Stock Number	1999
MLS Number	13607447
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	Stockton, CA, US
Sold By	TCI Transportation

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

$64,250 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 425,550 miles, 72" integral sleeper, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle,...

Condition	Used
Usage	425,550 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	385499
MLS Number	13607065
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Londonderry, NH, US
Sold By	Penske Used Trucks

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

$58,750 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, air ride suspension, tandem rear axle, 220...

Condition	Used
Usage	509,096 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	394082
MLS Number	13603822
Category	Sleeper Semi Trucks
Last Updated	12/25/2025
Location	Moberly, MO, US
Sold By	Penske Used Trucks

2017 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

$36,500 USD

Used 2017 Freightliner Cascadia 125 Sleeper Semi Truck, 72" integral sleeper, 505 HP DD15 diesel engine, 12-speed automatic Detroit transmission, tandem rear axle, air ride suspension,...

Condition	Used
Usage	634,084 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 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 2.47 ratio
Stock Number	703169
MLS Number	12366253
Category	Sleeper Semi Trucks
Last Updated	1/15/2026
Location	Grand Rapids, MI, US
Sold By	Penske Used Trucks

(909) 202-___ SHOW
NUMBERCall Seller

2022 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 505HP

$79,900 USD

Nice Sleeper truck, Fully serviced, DOT Certified, EW4 warranty Brand New American Tires Hablo Español, Financing options are available

Condition	Used
Usage	443,889 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Stock Number	2622
MLS Number	13459154
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	Stockton, CA, US
Sold By	TCI Transportation

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

Price Drop $41,250 USD

Used 2019 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 531,653 miles, 400 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	531,653 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	718253
MLS Number	13582549
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Capitol Heights, MD, US
Sold By	Penske Used Trucks

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

$65,250 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	432,094 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	224434
MLS Number	13582424
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	Pensacola, FL, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Integral Sleeper

Price Drop $44,750 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck with 521,750 miles, 400 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, tandem rear axle, 72-inch integral sleeper....

Condition	Used
Usage	521,750 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 2.27 ratio
Stock Number	718171
MLS Number	13562940
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	Charlotte, NC, US
Sold By	Penske Used Trucks

(866) 314-___ SHOW
NUMBERCall Seller

2015 Freightliner Cascadia 113 Single Axle Day Cab Truck - Detroit 410HP, 12 Speed Dt12 Automatic

$3,500 USD

auto trans, Detroit engine, runs rough, injector?,

Condition	Used
Usage	928,000 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	410 HP
Engine Model	Detroit DD13
Drivetrain	4x2
Transmission	12 Speed Detroit DT12 Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	23,000 lb 2.50 ratio
Stock Number	10618
MLS Number	13357150
Category	Day Cab Semi Trucks
Last Updated	3/22/2025
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel

2017 Freightliner X12584ST Day Cab Truck - 455HP, 12 Speed Automatic

$49,000 USD

Used 2017 Freightliner Cascadia 125 Day Cab Semi Truck with 455HP DD15 diesel engine, 12-speed automatic Detroit transmission, 13300 lb front axle, 51020 lb tandem rear axle. Heavy duty GVWR...

Condition	Used
Usage	560,373 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	455 HP
Engine Model	DD15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	51,020 lb 3.25 ratio
Stock Number	704274
MLS Number	12583200
Category	Day Cab Semi Trucks
Last Updated	1/11/2026
Location	Spokane Valley, WA, US
Sold By	Penske Used Trucks

(855) 980-___ SHOW
NUMBERCall Seller

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Automatic

Contact for price

2020 FREIGHTLINER CASCADIA 126, DETROIT DD15 450HP, DT12 AUTOMATIC, DA-RT-40 2.85 RATIO, FIXED 5TH WHEEL, AIR RIDE SUSPENSION, AIR RIDE CAB,,

Condition	Used
Usage	799,313 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
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	LP7163-FL
MLS Number	13200779
Category	Sleeper Semi Trucks
Last Updated	10/29/2024
Location	OGDEN, UT, US
Sold By	Rocky Mountain Truck Parts

2017 Freightliner X12584ST Day Cab Truck - 455HP, 12 Speed Automatic

$46,000 USD

Used 2017 Freightliner Cascadia 125 Day Cab Truck for sale, 638,767 miles, 455 HP DD15 engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension, 200-gallon...

Condition	Used
Usage	638,767 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	455 HP
Engine Model	DD15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	51,020 lb 3.25 ratio
Stock Number	704277
MLS Number	12583201
Category	Day Cab Semi Trucks
Last Updated	1/9/2026
Location	Spokane Valley, WA, US
Sold By	Penske Used Trucks

2017 Freightliner X12584ST Day Cab Truck - 455HP, 12 Speed Automatic

$49,000 USD

Used 2017 Freightliner Cascadia 125 Day Cab Truck for sale, 560,373 miles, 455 HP DD15 engine, 12-speed automatic Detroit transmission, tandem rear axle, air ride suspension, 200-gallon...

Condition	Used
Usage	560,373 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	455 HP
Engine Model	DD15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	51,020 lb 3.25 ratio
Stock Number	704273
MLS Number	12617641
Category	Day Cab Semi Trucks
Last Updated	1/11/2026
Location	Spokane Valley, WA, US
Sold By	Penske Used Trucks

(866) 314-___ SHOW
NUMBERCall Seller

2016 Freightliner Cascadia 125 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 475HP, 12 Speed Dt12 Automatic

$15,000 USD

engine parts missing, needs possible overhaul, detroit auto, APU,

Condition	Used
Usage	740,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 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
Rear End	40,000 lb
Stock Number	10124
MLS Number	12180918
Category	Sleeper Semi Trucks
Last Updated	9/19/2023
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel

(866) 314-___ SHOW
NUMBERCall Seller

2016 Freightliner Cascadia 125 Sleeper Semi Truck - Detroit 455HP, 12 Speed Automatic

$20,000 USD

NEEDS ENGINE, AUTOMATIC, CLEAN TRUCK WITH LOWER MILES, COMPLETE INCLUDING CPC

Condition	Used
Usage	615,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.53 ratio
Stock Number	10072
MLS Number	12180709
Category	Sleeper Semi Trucks
Last Updated	9/19/2023
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel