Freightliner 12 Speed Sleeper Semi Trucks For Sale

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 450HP, 12 Speed Automatic

$56,500 USD

Used 2023 Freightliner Cascadia 126 Sleeper Semi Truck with 72" integral sleeper, 450HP DD13 diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension,...

Condition	Used
Usage	612,149 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	DD13
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	168116
MLS Number	13854191
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Mount Pleasant, PA, US
Sold By	Penske Used Trucks

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

$63,250 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck with 72" integral sleeper, 505 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension....

Condition	Used
Usage	468,596 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 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 3.23 ratio
Stock Number	457241
MLS Number	13854163
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Fredericksburg, VA, US
Sold By	Penske Used Trucks

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

$57,500 USD

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

Condition	Used
Usage	534,001 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	464263
MLS Number	14015657
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	East Chicago, IN, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic

$59,250 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 485,605 miles, 400HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, 20,000 lb front axle, 40,000...

Condition	Used
Usage	485,606 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	EPES21268
MLS Number	14014952
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Greensboro, NC, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic

$55,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 527,877 miles, 400 HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle,...

Condition	Used
Usage	527,878 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	EPES21130
MLS Number	13671112
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Greensboro, NC, US
Sold By	Penske Used Trucks

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Price Drop $37,000 USD

Used 2019 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 694,778 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	695,051 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	326517
MLS Number	13867423
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Bensalem, PA, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Condo Sleeper, 455HP, 12 Speed Automatic

$48,198 USD

Condition	Used
Usage	646,355 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	265610
MLS Number	14068639
Category	Sleeper Semi Trucks
Last Updated	1/2/2026
Location	Knoxville, TN, US
Sold By	Ryder

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 71" Condo Sleeper, 455HP, 12 Speed Automatic

$61,259 USD

Condition	Used
Usage	542,515 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1900
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	71"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	271435
MLS Number	14068638
Category	Sleeper Semi Trucks
Last Updated	1/2/2026
Location	O'fallon, MO, US
Sold By	Ryder

2020 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Condo Sleeper, 400HP, 12 Speed Automatic

$57,063 USD

Condition	Used
Usage	604,220 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	DD15 GHG'17 400/1625
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.41 ratio
Stock Number	877575
MLS Number	14003577
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	Memphis, TN, US
Sold By	Ryder

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Integral Sleeper

$47,250 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 555,381 miles, 400 HP DD15AT engine, 12-speed automatic Detroit transmission, tandem rear axle, 72-inch integral sleeper, 200...

Condition	Used
Usage	555,381 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	718209
MLS Number	13562956
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Morristown, TN, US
Sold By	Penske Used Trucks

2019 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic

Price Drop $43,500 USD

Used 2019 Freightliner Cascadia 125 Sleeper Semi Truck with 400HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, and air ride suspension....

Condition	Used
Usage	586,089 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	717814
MLS Number	14016490
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Rockwall, TX, US
Sold By	Penske Used Trucks

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

$75,000 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 426,421 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle...

Condition	Used
Usage	426,421 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	394296
MLS Number	14067886
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Fontana, CA, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Price Drop $31,500 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 840,735 miles, 455HP DD15AT diesel engine, 72" integral sleeper, 12-speed automatic Detroit transmission, tandem rear axle....

Condition	Used
Usage	840,878 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	345134
MLS Number	14014926
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Moberly, MO, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$54,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck with 72" Integral Sleeper, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, and 240-gallon fuel...

Condition	Used
Usage	593,628 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	324669
MLS Number	14014889
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Kansas City, MO, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$60,000 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 555,243 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	561,678 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	324667
MLS Number	14030473
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Kansas City, MO, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$61,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 536,256 miles, 455 HP DD15AT engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle, air ride...

Condition	Used
Usage	543,506 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	324666
MLS Number	14014887
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Kansas City, MO, US
Sold By	Penske Used Trucks

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2018 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$57,900 USD

2018 Freightliner Cascadia 126 - 1 Owner, Fleet Maintained Cascadia! This truck came all the way from Road Island! Detroit DD15 Engine, Detroit DT12 Automatic Transmission, Condo Sleeper!...

Condition	Used
Usage	409,020 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.41 ratio
Stock Number	JY9630
MLS Number	13677808
Category	Sleeper Semi Trucks
Last Updated	1/1/2026
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 70" Condo Sleeper, 455HP, 12 Speed Automatic

$39,133 USD

Condition	Used
Usage	809,288 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	290743
MLS Number	14067404
Category	Sleeper Semi Trucks
Last Updated	12/31/2025
Location	Jacksonville, FL, US
Sold By	Ryder

2020 Freightliner Cascadia 125 Sleeper Semi Truck - 70" Condo Sleeper, 455HP, 12 Speed Automatic

$51,807 USD

Condition	Used
Usage	630,038 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	246738
MLS Number	14067393
Category	Sleeper Semi Trucks
Last Updated	12/31/2025
Location	Kansas City, MO, US
Sold By	Ryder

2020 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Condo Sleeper, 455HP, 12 Speed Automatic

$61,700 USD

Condition	Used
Usage	411,270 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	244442
MLS Number	13884271
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	Salisbury, MA, US
Sold By	Ryder

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Condo Sleeper, 455HP, 12 Speed Automatic

$50,383 USD

Condition	Used
Usage	673,269 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	242917
MLS Number	14067387
Category	Sleeper Semi Trucks
Last Updated	12/31/2025
Location	Oak Creek, WI, US
Sold By	Ryder

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Condo Sleeper, 455HP, 12 Speed Automatic

$53,114 USD

Condition	Used
Usage	632,884 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	242607
MLS Number	14067382
Category	Sleeper Semi Trucks
Last Updated	12/31/2025
Location	Oak Creek, WI, US
Sold By	Ryder

2020 Freightliner Cascadia 125 Sleeper Semi Truck - 70" Condo Sleeper, 455HP, 12 Speed Automatic

$56,569 USD

Condition	Used
Usage	475,050 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	894684
MLS Number	14067376
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	Davie, FL, US
Sold By	Ryder

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 36" Condo Sleeper, 455HP, 12 Speed Automatic

$56,457 USD

Condition	Used
Usage	502,837 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	36"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	880711
MLS Number	14067368
Category	Sleeper Semi Trucks
Last Updated	12/31/2025
Location	Altoona, IA, US
Sold By	Ryder