Used 6x4 Sleeper Semi Trucks with Detroit Engines For Sale

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2022 Freightliner Cascadia Sleeper Semi Truck - 72" Extra-Tall Roof, Detroit, Automatic, Battery Powered HVAC with Optimized Idle

$59,700 USD

Condition	Used
Usage	391,022 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD13 GHG 17
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Extra Tall Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	14067
MLS Number	14144210
Category	Sleeper Semi Trucks
Last Updated	2/17/2026
Location	Gary, IN, US
Sold By	Schneider

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$54,500 USD

Several Available!, Full 128 Point Inspection, 507,624 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals, Fleet...

Condition	Used
Usage	507,624 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	40,000 lb 3.08 ratio
Stock Number	LY5969
MLS Number	13916448
Category	Sleeper Semi Trucks
Last Updated	2/14/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$49,900 USD

Several Available!, Full 128 Point Inspection, 564,000 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals, Fleet...

Condition	Used
Usage	564,000 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	40,000 lb 3.08 ratio
Stock Number	LY5954
MLS Number	13916447
Category	Sleeper Semi Trucks
Last Updated	2/14/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$51,600 USD

Several Available!, Full 128 Point Inspection, 547,272 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals, Fleet...

Condition	Used
Usage	547,272 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	40,000 lb 3.08 ratio
Stock Number	LY5950
MLS Number	13916446
Category	Sleeper Semi Trucks
Last Updated	2/14/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

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Several Available!, Full 128 Point Inspection, 550,311 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals, Fleet...

Condition	Used
Usage	550,311 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	40,000 lb 3.08 ratio
Stock Number	LY5974
MLS Number	13916445
Category	Sleeper Semi Trucks
Last Updated	2/14/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

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Several Available!, Full 128 Point Inspection, 567,215 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals, Fleet...

Condition	Used
Usage	567,215 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	40,000 lb 3.08 ratio
Stock Number	LY5966
MLS Number	13916443
Category	Sleeper Semi Trucks
Last Updated	2/14/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$51,600 USD

Several Available!, Full 128 Point Inspection, 546,304 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals, Fleet...

Condition	Used
Usage	546,304 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	40,000 lb 3.08 ratio
Stock Number	LY5977
MLS Number	13916438
Category	Sleeper Semi Trucks
Last Updated	2/14/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

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Several Available!, Full 128 Point Inspection, 507,936 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals, Fleet...

Condition	Used
Usage	507,936 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	40,000 lb 3.08 ratio
Stock Number	LY5976
MLS Number	13916437
Category	Sleeper Semi Trucks
Last Updated	2/14/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

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Several Available!, Full 128 Point Inspection, 507,719 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals, Fleet...

Condition	Used
Usage	507,719 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	40,000 lb 3.08 ratio
Stock Number	LY5944
MLS Number	13916431
Category	Sleeper Semi Trucks
Last Updated	2/14/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

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Several Available!, Full 128 Point Inspection, 559,891 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals, Fleet...

Condition	Used
Usage	559,891 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	40,000 lb 3.08 ratio
Stock Number	LY5968
MLS Number	13916430
Category	Sleeper Semi Trucks
Last Updated	2/14/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$49,800 USD

Several Available!, Full 128 Point Inspection, 570,878 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals, Fleet...

Condition	Used
Usage	570,878 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	40,000 lb 3.08 ratio
Stock Number	LY5973
MLS Number	13916428
Category	Sleeper Semi Trucks
Last Updated	2/14/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$50,200 USD

Several Available!, Full 128 Point Inspection, 565,888 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals, Fleet...

Condition	Used
Usage	565,888 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	40,000 lb 3.08 ratio
Stock Number	LY5965
MLS Number	13916425
Category	Sleeper Semi Trucks
Last Updated	2/14/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(833) 478-___ SHOW
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2020 Freightliner Cascadia 116 Sleeper Semi Truck - 42" Flat Top Sleeper, Detroit 450HP, 12 Speed Dt12 Automatic

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2020 Freightliner Cascadia 116 – Fleet Maintained Ready to Roll Stock #6830 Super Light Super clean fleet-maintained Cascadia with great miles and all the right specs for a starter truck...

Condition	Used
Usage	513,791 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Flat Top Sleeper
Sleeper Size	42"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	6830
MLS Number	13879664
Category	Sleeper Semi Trucks
Last Updated	2/18/2026
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

(866) 530-___ SHOW
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2021 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$57,995 USD

2021 FREIGHTLINER CASCADIA 126, DETORIT DD15, DETROIT DT12 AUTOMATIC TRANSMISSION, 537,644 MILES, FLEET MAINTAINED FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON...

Condition	Used
Usage	537,644 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 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	3342
MLS Number	14142908
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

(707) 849-___ SHOW
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2022 Freightliner Cascadia 116 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 470HP, 12 Speed Dt12 Amt

$57,500 USD

2022 Freightliner Cascadia 116 Mid Roof Sleeper New Wheels and Tires 404k Miles, DD13 Engine, 470HP, DT12 Transmission, 52500lb GVW, 218" Wheelbase, 3.08 Rear Axle Ratio Ready to work,

Condition	Used
Usage	404,244 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	470 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Mid Roof Sleeper
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
MLS Number	14096673
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Santa Rosa, CA, US
Sold By	Personal Asset Brokerage

(707) 849-___ SHOW
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2022 Freightliner Cascadia 116 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 470HP, 12 Speed Dt12 Amt

$57,500 USD

2022 Freightliner Cascadia 116 Mid Roof Sleeper New Wheels and Tires 420k Miles, DD13 Engine, 470HP, DT12 Transmission, 52500lb GVW, 206" Wheel Base, 3.08 Ratio Excellent Shape ready to...

Condition	Used
Usage	420,622 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	470 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Mid Roof Sleeper
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
MLS Number	14096649
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Santa Rosa, CA, US
Sold By	Personal Asset Brokerage

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	566,000 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	KP8069
MLS Number	14080360
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2018 Freightliner Cascadia 125 Sleeper Semi Truck - Detroit, 10 Speed Manual

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ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM. BOSE SEAT, HALO TIRE INFLATION SYSTEM, DISC BRAKES

Condition	Used
Usage	532,827 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	10 Speed Manual
Rear Axle	Tandem Axle
Stock Number	JK2147
MLS Number	14080350
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(707) 849-___ SHOW
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2022 Freightliner Cascadia 116 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 470HP, 12 Speed Dt12 Amt

$62,500 USD

2022 Freightliner Cascadia 116 Mid roof sleeper 394k miles, Dd13, 470hp, Dt12 transmission Brand new drive tires Well maintained ready to work,

Condition	Used
Usage	394,765 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	470 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Mid Roof Sleeper
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	14028828
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Santa Rosa, CA, US
Sold By	Personal Asset Brokerage

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2021 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$76,995 USD

2021 FREIGHTLINER CASCADIA 126, DETROIT DD15, DETROIT DT12 AUTOMATIC TRANSMISSION, 357,184 MILES, FLEET MAINTAINED FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON...

Condition	Used
Usage	357,184 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 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	6937
MLS Number	13794524
Category	Sleeper Semi Trucks
Last Updated	2/18/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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2024 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Battery Powered HVAC with Optimized Idle - Manager's Special!

$84,900 USD

Condition	Used
Usage	390,343 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15TCO 50 STATE
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.15 ratio
Stock Number	75897
MLS Number	13959993
Category	Sleeper Semi Trucks
Last Updated	2/18/2026
Location	PHOENIX, AZ, US
Sold By	Schneider

(833) 300-___ SHOW
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2022 Western Star 4900FA Sleeper Semi Truck - Detroit 600HP, 18 Speed Allison Hs Manual

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348940 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Allison HS Manual Transmission, Drive: 6x4, Air Ride Suspension, Wheels: All Aluminum, Wheel Base: 228, Tandem Rear...

Condition	Used
Usage	348,940 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	600 HP
Engine Model	Detroit DD16
Drivetrain	6x4
Transmission	18 Speed Allison HS Manual
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	C-37391
MLS Number	14140393
Category	Sleeper Semi Trucks
Last Updated	2/12/2026
Location	Champlain, NY, US
Sold By	Gamache Truck Center

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$55,300 USD

17 Matched Units Available!, 500k - 573k Miles, $49,500 - $57,600, Over 100 Cascadia Sleepers In Stock; 2018 Newer!, Fresh DOT, Full 128 Point Inspection, DD15 Detroit, 455 HP, DT12 HD...

Condition	Used
Usage	514,000 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	40,000 lb 3.08 ratio
Stock Number	CASCADIA-GROUP
MLS Number	14140340
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2019 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit

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

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Drivetrain	6x4
Rear Axle	Tandem Axle
Stock Number	KP8058
MLS Number	14092813
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC