Diesel Freightliner Cascadia 126 Trucks with Cummins Engines For Sale

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2024 Freightliner Cascadia 126 Sleeper Semi Truck - Cummins 450HP

$99,900 USD

Cummins PT1 and AT3 8/28/27 or 500k. 10 New Tires

Condition	Used
Usage	272,502 Miles
Horse Power	450 HP
Engine Model	Cummins X15
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Capacity	240 Gallons
Weight	52000
Stock Number	529771
MLS Number	14157715
Category	Sleeper Semi Trucks
Last Updated	7/10/2026
Location	Laredo, TX, US
Sold By	Doggett

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated

$83,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 237,315 miles, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, 72" integral sleeper, tandem rear axle...

Condition	Used
Usage	276,237 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	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	382292
MLS Number	14092124
Category	Sleeper Semi Trucks
Last Updated	7/11/2026
Location	Richland, MS, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Day Cab Truck - Cummins 450HP, 10 Speed Automatic

Recently Updated

$39,500 USD

Used 2021 Freightliner Cascadia 126 Day Cab Semi Truck, Cummins X15 diesel engine with 450 HP, 10-speed Eaton automatic transmission, tandem rear axle, air ride suspension, 178" wheelbase....

Condition	Used
Usage	590,373 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	10 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	369474
MLS Number	14465093
Category	Day Cab Semi Trucks
Last Updated	7/11/2026
Location	Pensacola, FL, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Day Cab Truck - Cummins 450HP, 10 Speed Automatic

Price Drop $37,500 USD

Used 2021 Freightliner Cascadia 126 Day Cab Truck for sale, 580,507 miles, Cummins X15 diesel engine with 450 HP, 10-speed Eaton automatic transmission, tandem rear axle, air ride suspension...

Condition	Used
Usage	583,611 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	10 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	369466
MLS Number	14437403
Category	Day Cab Semi Trucks
Last Updated	7/11/2026
Location	Kansas City, MO, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Day Cab Truck - Cummins 450HP, 10 Speed Automatic

Price Drop $39,500 USD

Used 2021 Freightliner Cascadia 126 Day Cab Truck with Cummins X15 450HP diesel engine, 10-speed Eaton automatic transmission, tandem rear axle, air ride suspension, 200-gallon fuel capacity...

Condition	Used
Usage	561,690 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	10 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	369463
MLS Number	14459177
Category	Day Cab Semi Trucks
Last Updated	7/11/2026
Location	Kansas City, MO, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Day Cab Truck - Cummins 400HP, 13 Speed Automatic

Recently Updated

$36,000 USD

Used 2020 Freightliner Cascadia 126 Day Cab Semi Truck with Cummins X15 400HP diesel engine, 13-speed Eaton automatic transmission, tandem rear axle, air ride suspension, 178" wheelbase, 160...

Condition	Used
Usage	597,392 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	400 HP
Engine Model	Cummins X15
Transmission	13 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	341296
MLS Number	14346948
Category	Day Cab Semi Trucks
Last Updated	7/11/2026
Location	Phoenix, AZ, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Day Cab Truck - Cummins 400HP, 13 Speed Automatic

Newly Listed

$39,500 USD

Used 2020 Freightliner Cascadia 126 Day Cab Truck for sale, 563,601 miles, Cummins X15 diesel engine, 400 HP, 13-speed automatic Eaton transmission, tandem rear axle, air ride suspension....

Condition	Used
Usage	563,601 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	400 HP
Engine Model	Cummins X15
Transmission	13 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	341291
MLS Number	14477902
Category	Day Cab Semi Trucks
Last Updated	7/11/2026
Location	Phoenix, AZ, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, Cummins 450HP, 13 Speed Automatic

Recently Updated

$69,750 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 435,328 miles, 450 HP Cummins X15 diesel engine, 72" integral sleeper, 13 speed Eaton automatic transmission, tandem rear...

Condition	Used
Usage	438,872 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	13 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	338705
MLS Number	14429687
Category	Sleeper Semi Trucks
Last Updated	7/11/2026
Location	Jackson, MS, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Day Cab Truck - Cummins 400HP, 13 Speed Automatic

Recently Updated

$41,500 USD

Used 2020 Freightliner Cascadia 126 Day Cab Truck for sale, 487,735 miles, Cummins X15 diesel engine with 400 HP, 13-speed Eaton automatic transmission, tandem rear axle, air ride suspension...

Condition	Used
Usage	497,666 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	400 HP
Engine Model	Cummins X15
Transmission	13 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	338400
MLS Number	14310218
Category	Day Cab Semi Trucks
Last Updated	7/11/2026
Location	Earth City, MO, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Day Cab Truck - Cummins 450HP, 10 Speed Automatic

Newly Listed

$33,750 USD

Used 2021 Freightliner Cascadia 126 Day Cab Semi Truck for sale, 647,390 miles, Cummins X15 diesel engine with 450 HP, 10-speed Eaton automatic transmission, tandem rear axle, air ride...

Condition	Used
Usage	647,390 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	10 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	369488
MLS Number	14476390
Category	Day Cab Semi Trucks
Last Updated	7/10/2026
Location	Pensacola, FL, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Day Cab Truck - Cummins 450HP, 10 Speed Automatic

Price Drop $32,250 USD

Used 2021 Freightliner Cascadia 126 Day Cab Truck for sale, 631,091 miles, Cummins X15 diesel engine with 450 HP, 10-speed Eaton automatic transmission, 12,000 lb front axle, 40,000 lb...

Condition	Used
Usage	632,106 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	10 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	369467
MLS Number	14437404
Category	Day Cab Semi Trucks
Last Updated	7/11/2026
Location	Kansas City, MO, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, Cummins 450HP, 10 Speed Automatic

Recently Updated

$47,250 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 710,175 miles, Cummins X15 450HP diesel engine, 10-speed Eaton automatic transmission, 72" integral sleeper, 240-gallon fuel...

Condition	Used
Usage	710,189 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	10 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	369453
MLS Number	14441694
Category	Sleeper Semi Trucks
Last Updated	7/10/2026
Location	Kansas City, MO, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Day Cab Truck - Cummins 400HP, 13 Speed Automatic

Recently Updated

$35,750 USD

Used 2020 Freightliner Cascadia 126 Day Cab Truck for sale, 593,506 miles, Cummins X15 diesel engine with 400 HP, 13-speed Eaton automatic transmission, tandem rear axle, air ride suspension...

Condition	Used
Usage	598,206 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	400 HP
Engine Model	Cummins X15
Transmission	13 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	341334
MLS Number	14295319
Category	Day Cab Semi Trucks
Last Updated	7/10/2026
Location	Phoenix, AZ, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Day Cab Truck - Cummins 400HP, 13 Speed Automatic

Recently Updated

$49,000 USD

Used 2020 Freightliner Cascadia 126 Day Cab Truck with Cummins X15 diesel engine, 400 HP, 13-speed Eaton automatic transmission, tandem rear axle, air ride suspension, 453,766 miles. Check...

Condition	Used
Usage	453,884 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	400 HP
Engine Model	Cummins X15
Transmission	13 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	338342
MLS Number	14437196
Category	Day Cab Semi Trucks
Last Updated	7/10/2026
Location	Stockton, CA, US
Sold By	Penske Used Trucks

2019 Freightliner Cascadia 126 Day Cab Truck - Cummins 400HP, 13 Speed Automatic

Price Drop $42,000 USD

Used 2019 Freightliner Cascadia 126 Day Cab Semi Truck with Cummins X15 diesel engine, 400 HP, 13-speed automatic Eaton transmission, tandem rear axle, air ride suspension, 191,200 miles....

Condition	Used
Usage	191,448 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	400 HP
Engine Model	Cummins X15
Transmission	13 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.42 ratio
Stock Number	270165
MLS Number	14454397
Category	Day Cab Semi Trucks
Last Updated	7/10/2026
Location	Reading, PA, US
Sold By	Penske Used Trucks

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Newly Listed

$48,500 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 806,308 miles, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, 72" integral sleeper, tandem air ride...

Condition	Used
Usage	806,308 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	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	427775
MLS Number	14474515
Category	Sleeper Semi Trucks
Last Updated	7/9/2026
Location	Greensboro, NC, US
Sold By	Penske Used Trucks

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, Cummins 400HP, 12 Speed Automatic

Recently Updated

$73,000 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 507,365 miles, 400 HP Cummins X15 engine, 12-speed Eaton automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	509,225 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	417027
MLS Number	14413470
Category	Sleeper Semi Trucks
Last Updated	7/11/2026
Location	Shreveport, LA, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Day Cab Truck - Cummins 450HP, 10 Speed Automatic

Recently Updated

$37,750 USD

Used 2021 Freightliner Cascadia 126 Day Cab Semi Truck with Cummins X15 diesel engine, 450 HP, 10-speed Eaton automatic transmission, tandem rear axle, air ride suspension, 606,783 miles....

Condition	Used
Usage	608,350 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	10 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	369476
MLS Number	14463325
Category	Day Cab Semi Trucks
Last Updated	7/11/2026
Location	Pensacola, FL, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, Cummins 450HP, 10 Speed Automatic

Recently Updated

$51,000 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 699,512 miles, 450 HP Cummins X15 diesel engine, 10-speed automatic Eaton transmission, 72" integral sleeper, tandem rear...

Condition	Used
Usage	705,923 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	10 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	369460
MLS Number	14446856
Category	Sleeper Semi Trucks
Last Updated	7/11/2026
Location	Kansas City, MO, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Day Cab Truck - Cummins 400HP, 13 Speed Automatic

Recently Updated

$38,750 USD

Used 2020 Freightliner Cascadia 126 Day Cab Truck with Cummins X15 diesel engine, 400 HP, 13-speed Eaton automatic transmission, tandem rear axle, 178" wheelbase, 160-gallon fuel capacity....

Condition	Used
Usage	553,789 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	400 HP
Engine Model	Cummins X15
Transmission	13 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	341295
MLS Number	14228468
Category	Day Cab Semi Trucks
Last Updated	7/11/2026
Location	Middlefield, OH, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Day Cab Truck - Cummins 400HP, 13 Speed Automatic

Recently Updated

$51,250 USD

Used 2020 Freightliner Cascadia 126 Day Cab Truck for sale, 356,374 miles, Cummins X15 diesel engine with 400 HP, 13-speed Eaton automatic transmission, tandem rear axle, air ride suspension...

Condition	Used
Usage	371,506 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	400 HP
Engine Model	Cummins X15
Transmission	13 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	341276
MLS Number	14128631
Category	Day Cab Semi Trucks
Last Updated	7/9/2026
Location	La Porte, IN, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, Cummins 450HP, 13 Speed Automatic

Recently Updated

$65,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 507,181 miles, Cummins X15 450HP diesel engine, 72" integral sleeper, 13-speed Eaton automatic transmission, tandem rear axle...

Condition	Used
Usage	514,008 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	13 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	338691
MLS Number	14399016
Category	Sleeper Semi Trucks
Last Updated	7/11/2026
Location	Jackson, MS, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, Cummins 450HP, 13 Speed Automatic

Recently Updated

$72,750 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck, 72" Integral Sleeper, Cummins X15 450HP diesel engine, 13-speed Eaton automatic transmission, tandem rear axle, air ride suspension....

Condition	Used
Usage	436,289 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	13 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	338612
MLS Number	14459091
Category	Sleeper Semi Trucks
Last Updated	7/10/2026
Location	Montgomery, AL, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Day Cab Truck - Cummins 400HP, 13 Speed Automatic

Recently Updated

$54,000 USD

Used 2020 Freightliner Cascadia 126 Day Cab Truck with Cummins X15 diesel engine, 400 HP, 13-speed automatic Eaton transmission, tandem rear axle, air ride suspension, 309,164 miles. Check...

Condition	Used
Usage	315,431 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	400 HP
Engine Model	Cummins X15
Transmission	13 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	338518
MLS Number	14292367
Category	Day Cab Semi Trucks
Last Updated	7/11/2026
Location	Sturtevant, WI, US
Sold By	Penske Used Trucks