Used Freightliner 12 Speed Trucks For Sale

(844) 385-___ SHOW
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2018 Freightliner Cascadia 125 Day Cab Truck - 450HP, 12 Speed Automatic

$26,000 USD

Condition	Used
Usage	568,315 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	DD13'17 450/1650
Transmission	12 Speed
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	754793
MLS Number	13319943
Category	Day Cab Semi Trucks
Last Updated	10/17/2025
Location	Allentown, PA, US
Sold By	Ryder

2015 Freightliner Cascadia 125 Sleeper Semi Truck - 75" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$11,000 USD

nice truck, runs great, clean, air seats, double bunk, differential lock, dump valve, A/S 5th, cruise, smart wheel, power windows, power mirrors,,

Condition	Used
Usage	1,000,813 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 3.08 ratio
Stock Number	15DET100CAS
MLS Number	12656928
Category	Sleeper Semi Trucks
Last Updated	11/10/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

2017 Freightliner Cascadia 113 Single Axle Day Cab Truck - Detroit 410HP, 12 Speed Dt12 Amt

$8,000 USD

good truck, runs great, fleet maintained, air seat, power windows, power mirrors, heated mirrors, air seat, air brakes,

Condition	Used
Usage	1,213,439 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	410 HP
Engine Model	Detroit DD13
Drivetrain	4x2
Transmission	12 Speed Detroit DT12 Automated
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	21,000 lb 2.50 ratio
Stock Number	17UPS121CASSADC
MLS Number	12994510
Category	Day Cab Semi Trucks
Last Updated	11/10/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

2018 Freightliner Cascadia 125 Sleeper Semi Truck - 75" Raised Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Amt

$18,000 USD

good truck, runs great, fleet maintained, air seat, double bunk, dual air ride seats, differential lock, dump valve, A/S 5th, power windows, power mirrors, tilt/tele, heated mirrors,,

Condition	Used
Usage	856,499 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13
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 3.08 ratio
Stock Number	18DET856CAS
MLS Number	11989767
Category	Sleeper Semi Trucks
Last Updated	11/10/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

2015 Freightliner Cascadia 125 Sleeper Semi Truck - 75" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$17,000 USD

nice truck, runs great, fleet maintained, dual air ride seats, double bunk, A/S 5th, power windows, power mirrors, differential lock, dump valve,,

Condition	Used
Usage	919,244 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 2.53 ratio
Stock Number	15DET919CAS
MLS Number	11768693
Category	Sleeper Semi Trucks
Last Updated	11/10/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

2014 Freightliner Cascadia 125 Sleeper Semi Truck - 75" Raised Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Amt

$14,000 USD

nice truck, runs great, well maintained, air seats, double bunk, differential lock, dump valve, A/S 5th, power windows, power mirrors, power door locks,,

Condition	Used
Usage	843,845 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	Raised Roof Sleeper
Sleeper Size	75"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	14DET843CAS
MLS Number	11731150
Category	Sleeper Semi Trucks
Last Updated	11/10/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(833) 300-___ SHOW
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2016 Freightliner Cascadia 125 Evolution Sleeper Semi Truck - 60" Raised Roof Sleeper, Detroit, 12 Speed Dt12 Amt

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587153 Miles, 12472 Hours, Engine: DETROIT DD15, Fuel Type: Diesel, 12 Speed DT12 AMT Transmission, Drive: 6x4, AirLiner Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 60,...

Condition	Used
Usage	12,472 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	60"
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	C-35854
MLS Number	13256073
Category	Sleeper Semi Trucks
Last Updated	12/21/2024
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

(855) 942-___ SHOW
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2017 Freightliner X12584ST Day Cab Truck - 455HP, 12 Speed Automatic

$51,250 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	12/12/2025
Location	Spokane Valley, WA, US
Sold By	Penske Used Trucks

(855) 980-___ SHOW
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2020 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Automatic

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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

(844) 382-___ SHOW
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2016 Freightliner Cascadia 125 Day Cab Truck - Detroit 435HP, 12 Speed Automatic

$23,500 USD

Detroit DD13, 435hp, Automatic 12spd, 12Ft, Rockwell 40Rr, Air Ride

Condition	Used
Usage	428,066 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	435 HP
Engine Model	Detroit DD13
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	GW5721
MLS Number	12615578
Category	Day Cab Semi Trucks
Last Updated	7/23/2024
Location	Canton, OH, US
Sold By	Adelmans Truck Parts

(855) 942-___ SHOW
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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

(855) 942-___ SHOW
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2017 Freightliner X12584ST Day Cab Truck - 455HP, 12 Speed Automatic

$51,250 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	12/12/2025
Location	Spokane Valley, WA, US
Sold By	Penske Used Trucks

(866) 314-___ SHOW
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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
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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

2019 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

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AUTOMATIC. ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM

Condition	Used
Usage	705,687 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Rear Axle	Tandem Axle
Stock Number	KP8086
MLS Number	14080368
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2019 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

Newly Listed

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AUTOMATIC. ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM

Condition	Used
Usage	658,413 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Rear Axle	Tandem Axle
Stock Number	KP8083
MLS Number	14080367
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2019 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

Newly Listed

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AUTOMATIC. ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM

Condition	Used
Usage	654,064 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Rear Axle	Tandem Axle
Stock Number	KP8071
MLS Number	14080366
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2019 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

Newly Listed

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AUTOMATIC. ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM

Condition	Used
Usage	675,499 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Rear Axle	Tandem Axle
Stock Number	KP8055
MLS Number	14080365
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2019 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

Newly Listed

Contact for price

AUTOMATIC. ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM

Condition	Used
Usage	647,442 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Rear Axle	Tandem Axle
Stock Number	KP8053
MLS Number	14080364
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2019 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

Newly Listed

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AUTOMATIC. ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM

Condition	Used
Usage	693,775 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Rear Axle	Tandem Axle
Stock Number	KP8044
MLS Number	14080362
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2019 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

Newly Listed

Contact for price

AUTOMATIC. ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM

Condition	Used
Usage	658,103 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Rear Axle	Tandem Axle
Stock Number	KP8043
MLS Number	14080361
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2019 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

Newly Listed

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AUTOMATIC. ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM

Condition	Used
Usage	556,180 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Rear Axle	Tandem Axle
Stock Number	KP8040
MLS Number	14080360
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2018 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

Newly Listed

Contact for price

AUTOMATIC. ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM

Condition	Used
Usage	672,120 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Rear Axle	Tandem Axle
Stock Number	KA5254
MLS Number	14080359
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2018 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

Newly Listed

Contact for price

AUTOMATIC. ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM

Condition	Used
Usage	643,615 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Rear Axle	Tandem Axle
Stock Number	KA5253
MLS Number	14080358
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC