Heavy Duty Gray 12 Speed Sleeper Semi Trucks For Sale

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

Price Drop $48,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 526,888 miles, 455 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	528,153 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	389154
MLS Number	13717439
Category	Sleeper Semi Trucks
Last Updated	2/20/2026
Location	Greenville, SC, US
Sold By	Penske Used Trucks

(844) 624-___ SHOW
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2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Amt

Price Drop $72,950 USD

2022 Freightliner Cascadia – Fully Loaded Warranty Covered This 2022 Freightliner Cascadia is a dependable, driver-friendly truck built for efficiency, comfort, and long-haul performance....

Condition	Used
Usage	11,000 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	CO11110
MLS Number	14120276
Category	Sleeper Semi Trucks
Last Updated	2/19/2026
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

(844) 624-___ SHOW
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2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Amt

Price Drop $72,950 USD

2022 Freightliner Cascadia – Fully Loaded Warranty Covered This 2022 Freightliner Cascadia is a dependable, driver-friendly truck built for efficiency, comfort, and long-haul performance....

Condition	Used
Usage	11,000 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	CO11110
MLS Number	14120271
Category	Sleeper Semi Trucks
Last Updated	2/19/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

2022 Kenworth T680 Sleeper Semi Truck - Cummins 450HP, Automatic

2020 Volvo VNL64740 Sleeper Semi Truck - 70" Integral Sleeper, 455HP, 12 Speed Automatic

Newly Listed

$56,250 USD

Used 2020 Volvo VNL64740 Sleeper Semi Truck for sale, 490,075 miles, 455HP D13 diesel engine, 12-speed automatic transmission, 70" integral sleeper, tandem rear axle, 200-gallon fuel...

Condition	Used
Usage	490,075 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	D13
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	363606
MLS Number	14147121
Category	Sleeper Semi Trucks
Last Updated	2/17/2026
Location	White Deer, PA, US
Sold By	Penske Used Trucks

2020 Volvo VNL64740 Sleeper Semi Truck - 70" Integral Sleeper, 455HP, 12 Speed Automatic

Newly Listed

$55,750 USD

Used 2020 Volvo VNL64740 Sleeper Semi Truck for sale, 496,797 miles, 455 HP D13 diesel engine, 12-speed automatic transmission, 70" integral sleeper, tandem rear axle, air ride suspension,...

Condition	Used
Usage	496,797 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	D13
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	363605
MLS Number	14147120
Category	Sleeper Semi Trucks
Last Updated	2/17/2026
Location	White Deer, PA, US
Sold By	Penske Used Trucks

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

$68,250 USD

Used 2023 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 505HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	581,822 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 2.85 ratio
Stock Number	180674
MLS Number	14105610
Category	Sleeper Semi Trucks
Last Updated	2/14/2026
Location	Portland, OR, US
Sold By	Penske Used Trucks

(833) 986-___ SHOW
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2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 450HP

$83,900 USD

375346 Miles, Engine: CUMMINS X15, 450 HP, Fuel Type: Diesel, Drive: 6x4, 4 Bag Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 72, Wheel Base: 233, Tandem Rear Axles,...

Condition	Used
Usage	375,346 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	267986
MLS Number	14144566
Category	Sleeper Semi Trucks
Last Updated	2/14/2026
Location	Tampa, FL, US
Sold By	Southport Truck Group

(866) 530-___ SHOW
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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

2020 Volvo VNL64740 Sleeper Semi Truck - 70" Integral Sleeper, 455HP, 12 Speed Automatic

$57,000 USD

Used 2020 Volvo VNL64740 Sleeper Semi Truck for sale, Diesel D13 engine, 455HP, 12-speed automatic transmission, 70" integral sleeper, tandem rear axle, air ride suspension. Check it out.

Condition	Used
Usage	512,611 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	D13
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	363597
MLS Number	14134511
Category	Sleeper Semi Trucks
Last Updated	2/19/2026
Location	Moberly, MO, US
Sold By	Penske Used Trucks

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

$51,250 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 545,659 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	545,689 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	366135
MLS Number	13883315
Category	Sleeper Semi Trucks
Last Updated	2/19/2026
Location	Jessup, PA, US
Sold By	Penske Used Trucks

2020 Volvo VNL64760 Sleeper Semi Truck - 70" Integral Sleeper, 455HP, 12 Speed Automatic

$60,500 USD

Used 2020 Volvo VNL64760 Sleeper Semi Truck for sale, 493,122 miles, 455 HP D13 TC diesel engine, 70" integral sleeper, 12-speed automatic transmission, tandem rear axle, 25,000 lb...

Condition	Used
Usage	493,122 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	D13 TC
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	356752
MLS Number	14127117
Category	Sleeper Semi Trucks
Last Updated	2/12/2026
Location	Omaha, NE, US
Sold By	Penske Used Trucks

(833) 490-___ SHOW
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2019 International LT625 Sleeper , 384K MILES, APU , REMAINING FACTORY WARRANTY , AUTOMATIC , PASSING DOT , FINANCING AVALIABLE

$29,950 USD

🚨🚨🚨 STOP SCROLLING – Your Next Money-Maker is HERE! 🚨🚨🚨, Imagine locking in a 2019 International LT with ONLY 384,162 miles and factory warranty still active – that’s practically a...

Condition	Used
Usage	384,162 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	73"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	U539852
MLS Number	13976135
Category	Sleeper Semi Trucks
Last Updated	2/4/2026
Location	Springfield, MO, US
Sold By	Tri State Truck Center - Springfield, MO

(833) 986-___ SHOW
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Tri State Truck Center - Springfield, MO

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP

$76,900 USD

388265 Miles, Engine: DETROIT DD15, 455 HP, Fuel Type: Diesel, Drive: 6x4, 4 Bag Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 72, Wheel Base: 223, Tandem Rear Axles,...

Condition	Used
Usage	388,265 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Stock Number	267590
MLS Number	14124574
Category	Sleeper Semi Trucks
Last Updated	2/4/2026
Location	Tampa, FL, US
Sold By	Southport Truck Group

2022 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, 450HP, 12 Speed Automatic

$48,250 USD

Used 2022 International LT625 Sleeper Semi Truck for sale, 364,999 miles, 450HP A26 diesel engine, 73" integral sleeper, 12-speed Eaton automatic transmission, tandem rear axle, air ride...

Condition	Used
Usage	364,999 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	A26
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	410298
MLS Number	14120315
Category	Sleeper Semi Trucks
Last Updated	2/1/2026
Location	Katy, TX, US
Sold By	Penske Used Trucks

(855) 647-___ SHOW
NUMBERCall Seller

2022 Freightliner Cascadia Sleeper Semi Truck New Virgin Tires Free Warranty! Road Ready!

$54,999 USD

2022 Freightliner Cascadia. New Tires. Warranty!

Warranty

Condition	Used
Usage	520,013 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit Detroit Diesel DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Hi Rise Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.64 ratio
Stock Number	269815
MLS Number	14080588
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Bolingbrook, IL, US
Sold By	Arrow Truck Sales - Chicago, IL

(844) 321-___ SHOW
NUMBERCall Seller

2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

$79,900 USD

Automatic 12spd, Climate Control System Manufacture transmission warranty, 5yr/750k, In service date 4/30/2021 SPECIAL!!! - WAS $95,900 NOW $ 79,900, MUST GO,

Condition	Used
Usage	314,127 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.93 ratio
Stock Number	1632
MLS Number	14043561
Category	Sleeper Semi Trucks
Last Updated	1/24/2026
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

(844) 321-___ SHOW
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2020 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Automatic

$59,900 USD

Automatic 12SPD Endurant, X15 Efficiency Series Engine, 400 H.P, SPECIAL!!! - WAS $75,900 NOW $ 59,900 MUST GO,

Condition	Used
Usage	386,230 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	1600
MLS Number	14043560
Category	Sleeper Semi Trucks
Last Updated	1/24/2026
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

(844) 385-___ SHOW
NUMBERCall Seller

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

$46,227 USD

Condition	Used
Usage	690,268 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	2.79 ratio
Stock Number	279680
MLS Number	14095256
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Salisbury, MA, US
Sold By	Ryder

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

Price Drop $78,250 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 378,774 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	378,774 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	429006
MLS Number	14088090
Category	Sleeper Semi Trucks
Last Updated	2/15/2026
Location	Hammond, LA, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

$53,250 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck featuring a 72" integral sleeper, 505 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride...

Condition	Used
Usage	560,111 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 3.08 ratio
Stock Number	399673
MLS Number	13555674
Category	Sleeper Semi Trucks
Last Updated	2/22/2026
Location	Dallas, TX, US
Sold By	Penske Used Trucks

(833) 986-___ SHOW
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2024 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP

$137,900 USD

LOADED WITH WARRANTY EXTENDED DETROIT AND EXTENDED FREIGHTLINER WARRANTIES, CALL NOW, NICEST USED TRUCK IN THE MARKET

Warranty

Condition	Used
Usage	225,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	266348
MLS Number	14004794
Category	Sleeper Semi Trucks
Last Updated	12/14/2025
Location	Tampa, FL, US
Sold By	Southport Truck Group