Freightliner 12 Speed Tandem Axle 6x4 Day Cab Semi Trucks For Sale

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2019 Freightliner Cascadia 126 Day Cab Truck - Detroit 455HP, 12 Speed Dt12 Amt

2018 Freightliner Cascadia 126 Day Cab Truck - Detroit 410HP, 12 Speed Dt12 Automatic

2018 Freightliner Cascadia 126 Day Cab Truck - Detroit 525HP, 12 Speed Dt12 Automatic

2020 Freightliner Cascadia 126 Day Cab Truck - Detroit 455HP, 12 Speed Dt12 Amt

Newly Listed

$44,900 USD

2020 Freightliner Cascadia 126, DD15 455 hp Detroit, DT12 Detroit 12 speed automatic transmission, 3.08 Meritor rears, air ride suspension, air slide 5th wheel, disc brakes, headache rack,...

Condition	Used
Usage	299,521 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	4449
MLS Number	14466948
Category	Day Cab Semi Trucks
Last Updated	7/4/2026
Location	New Salem, ND, US
Sold By	Pedigree Truck and Trailer Sales, Inc.

2020 Freightliner Cascadia 116 Day Cab Truck - Detroit

Price Drop $35,800 USD

512,165 Miles, Detroit DD13, 450 HP, DT12 Automated, Fleet Maintained, Power Windows/Locks/Mirrors, Aluminum Wheels, Bluetooth, Diff Lock, 3.08 Ratio, 180" WB, 12,500# Fronts, 40,000# Fronts...

Condition	Used
Usage	512,165 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	LL9609
MLS Number	13699549
Category	Day Cab Semi Trucks
Last Updated	7/4/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2020 Freightliner Cascadia 116 Day Cab Truck - Detroit

Price Drop $36,100 USD

505,651 Miles, DD13 Detroit, 450 HP, DT12 Automated, 3.08 Ratio, 180" WB, Diff Lock, 12,500 Fronts, 40,000 Rears, Air Ride Suspension, Air Slide 5th Wheel, Jakes, Cruise, Collision...

Condition	Used
Usage	505,651 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	LL9659
MLS Number	13699542
Category	Day Cab Semi Trucks
Last Updated	7/4/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2019 Freightliner Cascadia 125 Day Cab Truck - Detroit 450HP, 12 Speed Dt12 Amt

Price Drop $22,800 USD

736,000 Miles, Detroit DD13 Engine, 450 H.P., Engine Brake, DT12 Transmission, (Automatic), 40,000 Lb. Rear Ends, 3.08 Ratio, Air Ride Suspension, Hydraulic Power Steering, Air Conditioned,...

Condition	Used
Usage	736,000 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	KH1266
MLS Number	13603424
Category	Day Cab Semi Trucks
Last Updated	7/7/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2017 Freightliner Cascadia 125 Day Cab Truck - Detroit 450HP, Amt

Price Drop $23,700 USD

452,342 Miles, Detroit DD13, 450 HP, DT12 Automated, 3.07 Ratio, 182" WB, Diff Lock, Air Ride, 12k Fronts, 40k Rears, Super Singles, Aluminum Wheels, Collision Mitigation, Tilt/Tele, Cruise...

Condition	Used
Usage	452,342 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.07 ratio
Stock Number	HT9666
MLS Number	13365484
Category	Day Cab Semi Trucks
Last Updated	7/4/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2019 Freightliner Cascadia 126 Day Cab Truck - Detroit 450HP, 12 Speed Dt12 Amt

Contact for price

438171 Miles, Engine: DETROIT DD13, 450 HP, Fuel Type: Diesel, 12 Speed DT12 AMT Transmission, Drive: 6x4, Air Ride Suspension, Tandem Rear Axles, Rear Axle Weight: 40000 lb

Quantity	11
Condition	Used
Usage	438,171 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	19303
MLS Number	14465500
Category	Day Cab Semi Trucks
Last Updated	7/3/2026
Location	Los Angeles, CA, US
Sold By	TCI Transportation

2020 Freightliner Cascadia 116 Day Cab Truck - Detroit 450HP, 12 Speed Dt12 Amt

Price Drop $31,700 USD

605,600 Miles, DD13 Detroit, 450 HP, DT12 Automated, 3.08 Ratio, 180" WB, Diff Lock, 12,350 Fronts, 40,000 Rears, Air Ride Suspension, Air Slide 5th Wheel, Jakes, Cruise, Collision...

Condition	Used
Usage	605,639 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	LL9623
MLS Number	14463599
Category	Day Cab Semi Trucks
Last Updated	7/4/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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2020 Freightliner Cascadia 126 Day Cab Truck - Detroit 505HP, 12 Speed Dt12 Automatic

$47,500 USD

CLEAN FLEET MAINTAINED 2020 FREIGHTLINER CASCADIA 126, DETROIT DD15, 500HP, 12 SPEED DT12 TRANSMISSION, GOOD RUBBER, AIR LINER SUSPENSION, 3.58 RATIOS, COLLISION MITIGATION SYSTEM, CHROME...

Condition	Used
Usage	370,086 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.58 ratio
Stock Number	7287
MLS Number	14399575
Category	Day Cab Semi Trucks
Last Updated	7/3/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

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2019 Freightliner Cascadia 126 Day Cab Truck - Detroit 435HP, 12 Speed Dt12 Amt

$35,000 USD

2019 FREIGHTLINER CASCADIA 126, MILEAGE:(319,287), DD13 ENGINE 435 HP, DT-12 AUTO TRASNMISSION, 3.08 GEAR RATIO, 40K REARS, AIR RIDE SUSPENSION, 178 WHEELBASE, PINTLE HITCH! SLIDING FIFTH...

Condition	Used
Usage	319,287 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	435 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	14416893
Category	Day Cab Semi Trucks
Last Updated	7/1/2026
Location	Jackson, TN, US
Sold By	Snider Equipment

(833) 801-___ SHOW
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2022 Freightliner Cascadia 116 Day Cab Truck - Detroit 450HP, 12 Speed Dt12 Amt

$28,000 USD

VERY NICE TRUCK, RUNS EXCELLENT, CLEAN, AIR SEAT, AIR BRAKES, FLEET MAINTAINED, DIFFERENTIAL LOCK, DUMP VALVE, POWER WINDOWS, POWER MIRRORS, A/S 5TH!

Condition	Used
Usage	651,906 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	22DET651CASDC
MLS Number	14395057
Category	Day Cab Semi Trucks
Last Updated	6/30/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

2018 Freightliner Cascadia 126 Day Cab Truck - Detroit 435HP, 12 Speed Dt12 Amt

$39,900 USD

315,000 Miles, Detroit DD13 Engine, 435 H.P., Engine Brake, DT12 (Automatic), 40,000 Lb. Rear Ends, 3.08 Ratio, Air Ride Suspension, Hydraulic Power Steering, Air Conditioned, Dual Aluminum...

Condition	Used
Usage	315,000 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	435 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	JX5061
MLS Number	13603426
Category	Day Cab Semi Trucks
Last Updated	6/30/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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2021 Freightliner Cascadia 116 Day Cab Truck - Detroit 450HP, 12 Speed Dt12 Automatic

$34,500 USD

CLEAN FLEET MAINTAINED CASCADIA 116 DAY CAB, DETROIT DD13, 450HP, DETROIT DT12 TRANSMISSION, AUTOMATIC, JAKES, LOCKERS, GOOD RUBBER, READY TO WORK!,

Condition	Used
Usage	576,855 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	7322
MLS Number	14453120
Category	Day Cab Semi Trucks
Last Updated	7/3/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

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

$36,900 USD

2020 FREIGHTLINER CASCADIA 125, MILEAGE:(390,854) DD15 ENGINE, 455 HP, DT-12 AUTO TRANSMISSION, 40 K REARS, 3.23 GEAR RATIO, AIR RIDE, SLIDING FIFTH WHEEL, JAKE BRAKE, RADIO, A/C. 90 DAY...

Condition	Used
Usage	390,854 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
MLS Number	14416919
Category	Day Cab Semi Trucks
Last Updated	6/26/2026
Location	Jackson, TN, US
Sold By	Snider Equipment

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2020 Freightliner Cascadia 126 Day Cab Truck - Detroit 435HP, 12 Speed Dt12 Amt

$41,900 USD

2020 Freightliner Cascadia 126, Detroit DD13 435 hp, Detroit DT12 12 speed auto overdrive transmission, 178" WB, 3.08 rear axle ratio, fender mirrors, A/S 5th wheel, dual 80 gallon fuel...

Condition	Used
Usage	12,021 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	435 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	813
MLS Number	14397604
Category	Day Cab Semi Trucks
Last Updated	6/25/2026
Location	New Salem, ND, US
Sold By	Pedigree Truck and Trailer Sales, Inc.

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2021 Freightliner Cascadia 126 Day Cab Truck - Detroit 450HP, 12 Speed Dt12 Automatic

$50,495 USD

LEASE MAINTAINED TRUCK, ,LOW MILES, DET 450HP, DT 12 AUTOMATIC, SUPER CLEAN, BRAND NEW VIRGIN GOODYEARS, NEW BRAKES AND DRUMS

Condition	Used
Usage	334,407 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Stock Number	7322
MLS Number	14358547
Category	Day Cab Semi Trucks
Last Updated	6/25/2026
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

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2020 Freightliner Cascadia 116 Day Cab Truck - Detroit 450HP, 12 Speed Dt12 Amt

$37,900 USD

2020 Freightliner Cascadia 116 Day Cab **New Virgin Dual Tires or Super Single tires available on all trucks Trucks are currently on wide base tires but can be swapped to new dual Virgin...

Condition	Used
Usage	287,170 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	TNF201028 Web
MLS Number	14269080
Category	Day Cab Semi Trucks
Last Updated	6/25/2026
Location	Ontario, CA, US
Sold By	Nationwide Haul

2020 Freightliner Cascadia 126 Day Cab Truck - Detroit 450HP, 12 Speed Dt12 Automatic

$42,900 USD

Low mile day cabs available, Multiple units, One owner Contact Ed Gibbs,

Condition	Used
Usage	292,000 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	14422345
Category	Day Cab Semi Trucks
Last Updated	6/24/2026
Location	Phoenix, AZ, US
Sold By	TCI Transportation

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2018 Freightliner Cascadia 126 Day Cab Truck - Detroit 435HP, 12 Speed Dt12 Amt

$31,500 USD

2018 FREIGHTLINER CASCADIA 126, DD13 ENGINE MILEAGE:428,201, 12 SPD AUTO, DT12 AUTO TRANSMISSION, 40K REARS, 178 INCH WHEEL BASE, SLIDING FIFTH WHEEL, HALF FENDERS, A/C, RADIO, JAKE BRAKE,...

Condition	Used
Usage	428,201 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	435 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
MLS Number	14404781
Category	Day Cab Semi Trucks
Last Updated	6/20/2026
Location	Jackson, TN, US
Sold By	Snider Equipment

2020 Freightliner Cascadia 126 Day Cab Truck - Detroit 450HP, 12 Speed Dt12 Automatic

$42,000 USD

339796 Miles, Engine: DETROIT DD13, 450 HP, Fuel Type: Diesel, 12 Speed DT12 Automatic Transmission, Drive: 6x4, Tandem Rear Axles

Condition	Used
Usage	339,796 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Rear Axle	Tandem Axle
Stock Number	20360
MLS Number	14440140
Category	Day Cab Semi Trucks
Last Updated	6/19/2026
Location	Fontana, CA, US
Sold By	TCI Transportation

2018 Freightliner Cascadia 125 Day Cab Truck - Detroit 425HP, 12 Speed Dt12 Automatic

$34,500 USD

The 2018 Freightliner Cascadia 125 is a Class 8 highway tractor that stands out in the used truck market for its fuel efficient design, driver comfort and dependable performance making it a...

Quantity	7
Condition	Used
Usage	433,692 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	425 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	L18345
MLS Number	14244619
Category	Day Cab Semi Trucks
Last Updated	6/13/2026
Location	Los Angeles, CA, US
Sold By	TCI Transportation

2020 Freightliner Cascadia 126 Day Cab Truck - Detroit 450HP, 12 Speed Dt12 Automatic

$42,000 USD

339796 Miles, Engine: DETROIT DD13, 450 HP, Fuel Type: Diesel, 12 Speed DT12 Automatic Transmission, Drive: 6x4, Tandem Rear Axles

Condition	Used
Usage	339,796 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Rear Axle	Tandem Axle
Stock Number	L20360
MLS Number	14422497
Category	Day Cab Semi Trucks
Last Updated	6/12/2026
Location	North Las Vegas, NV, US
Sold By	TCI Transportation