12 Speed Tandem Axle Sleeper Semi Trucks For Sale

1176 - 1200 of 2,841 listings

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

$35,750 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck, 455HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride suspension, 200-gallon...

Condition	Used
Usage	767,149 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	291608
MLS Number	14094149
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Las Vegas, NV, US
Sold By	Penske Used Trucks

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2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$42,500 USD

CLEAN FLEET MAINTAINED FREIGHTLINER CASCADIA 126, DETROIT DD15,455HP, WITH 12 SPD AUTOMATIC,13,220 FAW, 40,000 # Rears! GREAT 22.5 RUBBER! AIRLINER SUSPENSION! THERMO KING APU! 72 INCH...

Condition	Used
Usage	526,342 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
Sleeper Size	72"
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	7101
MLS Number	13788490
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

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

$26,250 USD

Used 2019 International LT625 Sleeper Semi Truck for sale, 725,870 miles, 450 HP Cummins X15 diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	737,441 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 3.25 ratio
Stock Number	332753
MLS Number	14013540
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Kansas City, MO, US
Sold By	Penske Used Trucks

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

$39,250 USD

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

Condition	Used
Usage	670,923 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	226781
MLS Number	14053057
Category	Sleeper Semi Trucks
Last Updated	1/29/2026
Location	Fontana, CA, US
Sold By	Penske Used Trucks

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

$33,000 USD

Used 2019 Freightliner Cascadia 125 Sleeper Semi Truck for sale, 748,709 miles, 455HP DD15AT diesel engine, 250-gallon fuel capacity, 72" integral sleeper, 12-speed Detroit automatic...

Condition	Used
Usage	748,709 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	226775
MLS Number	14094086
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Fontana, CA, US
Sold By	Penske Used Trucks

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

$50,000 USD

TK APU, New Virgin Drives,

Condition	Used
Usage	436,695 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	454520
MLS Number	13401048
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales

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2021 International LT Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

$39,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, AUTOMATIC 12SPD!!! DEF, DIESEL, VIRGIN TIRES, FULL FAIRINGS, ENGINE BRAKES, 450HP!!! Se Habla Español! NO CREDIT? BAD CREDIT?...

Condition	Used
Usage	521,809 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	N14789-DELIVERY 2 U
MLS Number	13327358
Category	Sleeper Semi Trucks
Last Updated	2/10/2026
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

(855) 717-___ SHOW
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2020 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Condo Sleeper, 455HP, 12 Speed Automatic

$45,553 USD

Condition	Used
Usage	663,414 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	881521
MLS Number	14093553
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Miami, FL, US
Sold By	Ryder

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

$59,720 USD

Condition	Used
Usage	707,629 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	562951
MLS Number	14093550
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Miami, FL, US
Sold By	Ryder

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2020 International LT625 Sleeper Semi Truck - 72" Condo Sleeper, 450HP, 12 Speed Automatic

$38,896 USD

Condition	Used
Usage	577,318 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	X15 GHG'17 450/1800
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.36 ratio
Stock Number	273789
MLS Number	14093530
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Greenville, SC, US
Sold By	Ryder

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

$50,675 USD

Condition	Used
Usage	609,921 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	249591
MLS Number	14093528
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Bolingbrook, IL, US
Sold By	Ryder

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2020 Volvo VNR64T-640 Sleeper Semi Truck - 70" Mid Roof Sleeper, 425HP, 12 Speed Automatic

Price Drop $52,293 USD

Condition	Used
Usage	514,345 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	D13'17 425/2100
Transmission	12 Speed Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	70"
Suspension	Leaf Springs
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	243487
MLS Number	14093526
Category	Sleeper Semi Trucks
Last Updated	2/12/2026
Location	Kansas City, MO, US
Sold By	Ryder

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

$41,495 USD

Condition	Used
Usage	702,365 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	861576
MLS Number	13754140
Category	Sleeper Semi Trucks
Last Updated	1/21/2026
Location	Bolingbrook, IL, US
Sold By	Ryder

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

$40,495 USD

Condition	Used
Usage	722,805 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	873793
MLS Number	13600206
Category	Sleeper Semi Trucks
Last Updated	1/20/2026
Location	O'fallon, MO, US
Sold By	Ryder

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

$37,744 USD

Condition	Used
Usage	756,194 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	271027
MLS Number	13631456
Category	Sleeper Semi Trucks
Last Updated	1/21/2026
Location	Bolingbrook, IL, US
Sold By	Ryder

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2022 Volvo VNL860 Sleeper Semi Truck APU 9511 Engine Hours 455K Miles Free Warranty! Road Ready!

$69,999 USD

2022 Volvo 860 Work Station Thermo King APU

Warranty

Condition	Used
Usage	455,293 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Volvo D13
Drivetrain	6x4
Transmission	12 Speed I Shift Automatic
Sleeper Type	Hi Rise Sleeper
Sleeper Size	77"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.25 ratio
Stock Number	272462
MLS Number	14093493
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Bolingbrook, IL, US
Sold By	Arrow Truck Sales - Chicago, IL

(855) 647-___ SHOW
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2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$43,750 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 624,909 miles, 455HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle,...

Condition	Used
Usage	636,315 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	280230
MLS Number	13612592
Category	Sleeper Semi Trucks
Last Updated	2/4/2026
Location	Garland, TX, US
Sold By	Penske Used Trucks

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2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$62,250 USD

Used 2023 Freightliner Cascadia 126 Sleeper Semi Truck, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, air ride suspension, 229"...

Condition	Used
Usage	672,867 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	469089
MLS Number	14092284
Category	Sleeper Semi Trucks
Last Updated	2/6/2026
Location	Fontana, CA, US
Sold By	Penske Used Trucks

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2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$63,750 USD

Used 2023 Freightliner Cascadia 126 Sleeper Semi Truck, 573,877 miles, 455HP DD15AT diesel engine, 72" integral sleeper, 12-speed automatic Detroit transmission, tandem rear axle, air ride...

Condition	Used
Usage	573,891 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	590235
MLS Number	14092275
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	East Chicago, IN, US
Sold By	Penske Used Trucks

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

$47,000 USD

Used 2022 International LT625 Sleeper Semi Truck for sale, 555,401 miles, Cummins X15 diesel engine with 450 HP, 73" integral sleeper, 12-speed Eaton automatic transmission, tandem rear axle...

Condition	Used
Usage	555,426 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 2.64 ratio
Stock Number	454894
MLS Number	14015960
Category	Sleeper Semi Trucks
Last Updated	2/6/2026
Location	San Antonio, TX, US
Sold By	Penske Used Trucks

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

$76,250 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 429,208 miles, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72\" integral sleeper, tandem rear axle,...

Condition	Used
Usage	429,208 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 2.85 ratio
Stock Number	436583
MLS Number	14092236
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Oklahoma City, OK, US
Sold By	Penske Used Trucks

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

$53,750 USD

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

Condition	Used
Usage	616,675 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 2.85 ratio
Stock Number	421957
MLS Number	14015741
Category	Sleeper Semi Trucks
Last Updated	2/5/2026
Location	Albuquerque, NM, US
Sold By	Penske Used Trucks

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

$67,000 USD

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

Condition	Used
Usage	437,247 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	394472
MLS Number	14015362
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Gulfport, MS, US
Sold By	Penske Used Trucks

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2022 Volvo VNL64760 Sleeper Semi Truck - 70" Integral Sleeper, 455HP, 12 Speed Automatic

Price Drop $55,250 USD

Used 2022 Volvo VNL64760 Sleeper Semi Truck for sale, 568,912 miles, 455 HP D13 engine, 12-speed automatic transmission, 70" integral sleeper, tandem rear axle, air ride suspension. Check it...

Condition	Used
Usage	575,289 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	387024
MLS Number	13744212
Category	Sleeper Semi Trucks
Last Updated	2/11/2026
Location	Gulfport, MS, US
Sold By	Penske Used Trucks

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2020 Freightliner Cascadia 113 Sleeper Semi Truck - 72" Integral Sleeper, 450HP, 12 Speed Automatic

$36,250 USD

Used 2020 Freightliner Cascadia 113 Sleeper Semi Truck, 661,688 miles, 450 HP DD13 diesel engine, 72" integral sleeper, 12-speed automatic Detroit transmission, tandem rear axle, air ride...

Condition	Used
Usage	661,688 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 3.23 ratio
Stock Number	352663
MLS Number	14091775
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Elkhart, IN, US
Sold By	Penske Used Trucks

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12 Speed Tandem Axle Sleeper Semi Trucks For Sale

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