12 Speed Automatic Tandem Axle Sleeper Semi Trucks For Sale

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

$54,999 USD

FEDEX SPEC CALL TIPTON CONQUEST FOR TRUCK AND TRAILER SALES!,

Condition	Used
Usage	474,000 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
MLS Number	13813860
Category	Sleeper Semi Trucks
Last Updated	12/22/2025
Location	Odenville, AL, US
Sold By	Used Truck and Trailer, Inc.

(844) 321-___ SHOW
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2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$85,900 USD

Balance of Detroit Diesel 5 Year/500K Mile Major Components (PARTS ONLY) Warranty and 5 Year/750K Mile Basic Transmission Warranty In Service: 09/19/2022, LEAD TRUCK,

Condition	Used
Usage	5,631 Hours
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
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	1718
MLS Number	14044092
Category	Sleeper Semi Trucks
Last Updated	12/31/2025
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

(844) 321-___ SHOW
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Featured Item

2024 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$95,900 USD

Balance of Detroit Diesel 5 Year/500K Mile Major Components (PARTS ONLY) Warranty and 5 Year/750K Mile Basic Transmission Warranty In Service: 03/06/2023,

Condition	Used
Usage	5,326 Hours
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
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	1714
MLS Number	14044040
Category	Sleeper Semi Trucks
Last Updated	12/31/2025
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

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2022 Volvo VNL64T760 Sleeper Semi Truck - 76" Raised Roof Sleeper, D13 455HP, 12 Speed I Shift Automatic

$69,900 USD

Manufacturer’s Engine Warranty: Balance of VOLVO 5 Year/500,000 Mile Plan 2 and Major Components Warranty. In Service: 3/17/2021,

Condition	Used
Usage	12,027 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Volvo D13
Drivetrain	6x4
Transmission	12 Speed I Shift Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	1712
MLS Number	14044011
Category	Sleeper Semi Trucks
Last Updated	12/31/2025
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

(844) 385-___ SHOW
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Featured Item

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

$43,000 USD

Condition	Used
Usage	943,871 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'21 455/1500
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.85 ratio
Stock Number	569523
MLS Number	14042329
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Kearny, NJ, US
Sold By	Ryder

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

Recently Updated

$53,750 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 449,288 miles, 455 HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle,...

Condition	Used
Usage	450,000 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	359301
MLS Number	13601643
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Chicopee, MA, US
Sold By	Penske Used Trucks

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

Recently Updated

$55,750 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 470,902 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	470,902 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	360419
MLS Number	14062514
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Anderson, SC, US
Sold By	Penske Used Trucks

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

Recently Updated

$40,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 658,953 miles, 455HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle,...

Condition	Used
Usage	658,953 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	360418
MLS Number	14062512
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Anderson, SC, US
Sold By	Penske Used Trucks

2020 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, 450HP, 12 Speed Automatic

Price Drop $31,750 USD

Used 2020 International LT625 Sleeper Semi Truck with 450HP A26 diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air ride suspension, 384,089...

Condition	Used
Usage	384,089 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 3.25 ratio
Stock Number	357086
MLS Number	13794414
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Houston, TX, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic

Recently Updated

$49,500 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 610,253 miles, 475HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle,...

Condition	Used
Usage	610,297 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 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	354729
MLS Number	14014091
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Goldsboro, NC, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic

Recently Updated

$52,500 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 554,191 miles, 475 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, 240-gallon fuel...

Condition	Used
Usage	554,239 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 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	354727
MLS Number	14014090
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Goldsboro, NC, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic

Recently Updated

$46,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 648,222 miles, 475HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	648,222 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 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	354726
MLS Number	14014089
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Goldsboro, NC, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic

Recently Updated

$35,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 793,004 miles, 475 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	793,051 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 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	354724
MLS Number	14014087
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Goldsboro, NC, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic

Recently Updated

$52,500 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 475 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	550,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 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	354722
MLS Number	14014086
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Goldsboro, NC, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 60" Integral Sleeper, 455HP, 12 Speed Automatic

Newly Listed

$64,250 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 375,364 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 60" integral sleeper, tandem rear axle,...

Condition	Used
Usage	375,364 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	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	352781
MLS Number	14104544
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Evansville, IN, US
Sold By	Penske Used Trucks

2019 Volvo VNL64760 Sleeper Semi Truck - 70" Integral Sleeper, 455HP, 12 Speed Automatic

Newly Listed

$54,250 USD

Used 2019 Volvo VNL64760 Sleeper Semi Truck for sale, 514,507 miles, 455HP D13 diesel engine, 12-speed Volvo automatic transmission, 70" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	514,507 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 3.08 ratio
Stock Number	282499
MLS Number	14104497
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Boaz, AL, US
Sold By	Penske Used Trucks

2019 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Newly Listed

$44,250 USD

Used 2019 Freightliner Cascadia 125 Sleeper Semi Truck, 564,098 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	564,098 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	268814
MLS Number	14104492
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Ladson, SC, US
Sold By	Penske Used Trucks

2019 Freightliner Cascadia 116 Sleeper Semi Truck - 60" Integral Sleeper, 450HP, 12 Speed Automatic

Price Drop $47,000 USD

Used 2019 Freightliner Cascadia 116 Sleeper Semi Truck, 560,336 miles, 450HP DD13 diesel engine, 12-speed automatic Detroit transmission, 60" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	560,345 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	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	268895
MLS Number	14013534
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Phoenix, AZ, US
Sold By	Penske Used Trucks

2019 Volvo VNR64640 Sleeper Semi Truck - 61" Integral Sleeper, 425HP, 12 Speed Automatic

Recently Updated

$43,250 USD

Used 2019 Volvo VNR64640 Sleeper Semi Truck for sale, 512,870 miles, 425HP D13 engine, 12-speed Volvo automatic transmission, 61" integral sleeper, tandem rear axle, air ride suspension,...

Condition	Used
Usage	512,870 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	D13
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	61"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.47 ratio
Stock Number	268879
MLS Number	14091678
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Duluth, GA, US
Sold By	Penske Used Trucks

2019 Volvo VNR64640 Sleeper Semi Truck - 61" Integral Sleeper, 425HP, 12 Speed Automatic

Price Drop $51,000 USD

Used 2019 Volvo VNR64640 Sleeper Semi Truck for sale, 425 HP D13 diesel engine, 12-speed automatic transmission, 61" integral sleeper, tandem rear axle, air ride suspension, 197" wheelbase,...

Condition	Used
Usage	412,753 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	D13
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	61"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.47 ratio
Stock Number	268867
MLS Number	13629716
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Greensboro, NC, US
Sold By	Penske Used Trucks

2019 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Price Drop $43,000 USD

Used 2019 International LT625 Sleeper Semi Truck with 73" integral sleeper, Cummins X15 diesel engine, 450 HP, 12-speed Eaton automatic transmission, tandem rear axle, air ride suspension....

Condition	Used
Usage	375,102 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	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	332411
MLS Number	13775004
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Mebane, NC, US
Sold By	Penske Used Trucks

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

Recently Updated

$42,500 USD

Used 2019 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 634,014 miles, 455HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle....

Condition	Used
Usage	634,014 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	232196
MLS Number	14043707
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Mount Pleasant, PA, US
Sold By	Penske Used Trucks

2019 Freightliner Cascadia 113 Sleeper Semi Truck - 72" Integral Sleeper, 450HP, 12 Speed Automatic

Recently Updated

$37,500 USD

Used 2019 Freightliner Cascadia 113 Sleeper Semi Truck with 72" integral sleeper, 450HP DD13 diesel engine, 12-speed automatic transmission, tandem rear axle, air ride suspension. Check it...

Condition	Used
Usage	641,156 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 3.08 ratio
Stock Number	244801
MLS Number	14030184
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Suwanee, GA, US
Sold By	Penske Used Trucks

2019 Volvo VNL64760 Sleeper Semi Truck - 70" Integral Sleeper, 405HP, 12 Speed Automatic

Price Drop $55,250 USD

Used 2019 Volvo VNL64760 Sleeper Semi Truck for sale, 494,357 miles, 405HP D13 diesel engine, 70" integral sleeper, 12 speed automatic transmission, tandem rear axle, 250-gallon fuel...

Condition	Used
Usage	494,358 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	405 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 2.47 ratio
Stock Number	327966
MLS Number	13793923
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Lacey, WA, US
Sold By	Penske Used Trucks