Freightliner Tandem Axle Cascadia Sleeper Semi 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

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

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

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 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 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

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

Recently Updated

$53,250 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 450 HP Cummins X15 engine, 10-speed Eaton automatic transmission, 72" integral sleeper, tandem rear axle, air ride suspension, 676,948...

Condition	Used
Usage	679,600 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	373884
MLS Number	14459204
Category	Sleeper Semi Trucks
Last Updated	7/11/2026
Location	Kansas City, MO, US
Sold By	Penske Used Trucks

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

Recently Updated

$61,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 556,651 miles, 450 HP Cummins X15 diesel engine, 13-speed Eaton automatic transmission, 72" integral sleeper, tandem rear...

Condition	Used
Usage	559,390 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 3.25 ratio
Stock Number	340998
MLS Number	14437252
Category	Sleeper Semi Trucks
Last Updated	7/11/2026
Location	Enid, OK, US
Sold By	Penske Used Trucks

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

Recently Updated

$60,500 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 567,760 miles, 450 HP Cummins X15 diesel engine, 13-speed Eaton automatic transmission, 72" integral sleeper, tandem rear...

Condition	Used
Usage	576,168 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	338708
MLS Number	14332439
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

$63,500 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 523,245 miles, Cummins X15 engine with 450 HP, 13-speed Eaton automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	532,371 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	338648
MLS Number	14429685
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

Newly Listed

$72,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 451,364 miles, 450 HP Cummins X15 diesel engine, 13-speed Eaton automatic transmission, 72" integral sleeper, tandem rear...

Condition	Used
Usage	451,364 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	338563
MLS Number	14470413
Category	Sleeper Semi Trucks
Last Updated	7/10/2026
Location	Montgomery, AL, US
Sold By	Penske Used Trucks

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

Recently Updated

$47,250 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 763,588 miles, 450 HP Cummins X15 diesel engine, 72" integral sleeper, 13-speed Eaton automatic transmission. Come see today.

Condition	Used
Usage	763,588 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	338570
MLS Number	14387723
Category	Sleeper Semi Trucks
Last Updated	7/9/2026
Location	Goldsboro, NC, US
Sold By	Penske Used Trucks

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

$59,250 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 507,939 miles, 450 HP Cummins X15 diesel engine, 72" integral sleeper, 13-speed Eaton automatic transmission, tandem rear...

Condition	Used
Usage	509,855 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	338700
MLS Number	14346944
Category	Sleeper Semi Trucks
Last Updated	7/8/2026
Location	Jackson, MS, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 60" Integral Sleeper, Cummins 450HP, 10 Speed Manual

$62,250 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck with 558,715 miles, Cummins X15 450HP diesel engine, 10-speed Eaton manual transmission, 60" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	558,715 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	10 Speed Manual
Sleeper Type	Integral Sleeper
Sleeper Size	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	382227
MLS Number	14408063
Category	Sleeper Semi Trucks
Last Updated	7/10/2026
Location	Mobile, AL, US
Sold By	Penske Used Trucks

(707) 849-___ SHOW
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2013 Freightliner Cascadia 125 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 400HP, Automatic

Price Drop $17,500 USD

Great Shape Automatic Transmission Cummins ISX 400ST Engine, 400HP, 779k Miles, Eaton Fuller Ultrashift Automatic Transmission, 230" Wheelbase, 3.42 Rear Axle Ratio, 12k front axle, 40k...

Condition	Used
Usage	779,078 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins ISX400ST
Drivetrain	6x4
Transmission	Ultrashift Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	12420216
Category	Sleeper Semi Trucks
Last Updated	7/2/2026
Location	Santa Rosa, CA, US
Sold By	Personal Asset Brokerage

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

$58,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 607,996 miles, 72" integral sleeper, Cummins X15 diesel engine with 450 HP, 10-speed Eaton automatic transmission, tandem...

Condition	Used
Usage	609,957 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	369458
MLS Number	14305035
Category	Sleeper Semi Trucks
Last Updated	7/9/2026
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

$56,000 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 626,756 miles, 450 HP Cummins X15 diesel engine, 10-speed Eaton automatic transmission, 72" integral sleeper, tandem rear...

Condition	Used
Usage	638,806 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	369456
MLS Number	14256796
Category	Sleeper Semi Trucks
Last Updated	7/9/2026
Location	Kansas City, MO, US
Sold By	Penske Used Trucks

(844) 321-___ SHOW
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2024 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Mid Roof Sleeper, Cummins 500HP, 13 Speed Manual

$119,900 USD

13 SPD Manual, 269" WB, Manufacturer’s Engine Warranty, Balance of Cummins 5 Year/500,000 Miles Protection Plan PLUS With Aftertreatment, In Service: 7/14/2023,

Condition	Used
Usage	4,256 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	1738
MLS Number	14422453
Category	Sleeper Semi Trucks
Last Updated	6/27/2026
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

(833) 300-___ SHOW
NUMBERCall Seller

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 62" Mid Roof Sleeper, Cummins 500HP, 18 Speed Manual

Contact for price

ESPAR, INVERTER: TRIPP-LITE 3000 WATTS,

Condition	Used
Usage	13,017 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15E
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	62"
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.58 ratio
Stock Number	C-37662
MLS Number	14442064
Category	Sleeper Semi Trucks
Last Updated	6/20/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

2020 Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, Cummins 450HP, 13 Speed Automatic

Price Drop $59,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 582,953 miles, Cummins X15 diesel engine with 450 HP, 13-speed automatic Eaton transmission, 72" integral sleeper, tandem...

Condition	Used
Usage	582,953 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	338735
MLS Number	12597879
Category	Sleeper Semi Trucks
Last Updated	7/1/2026
Location	Ocala, FL, US
Sold By	Penske Used Trucks

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

$65,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 511,366 miles, Cummins X15 diesel engine, 450 HP, 13-speed automatic Eaton transmission, 72" integral sleeper, tandem rear...

Condition	Used
Usage	511,421 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	338565
MLS Number	14374350
Category	Sleeper Semi Trucks
Last Updated	7/9/2026
Location	Jackson, MS, US
Sold By	Penske Used Trucks