Used 12 Speed Sleeper Semi Trucks with Cummins Engines For Sale

(844) 216-___ SHOW
NUMBERCall Seller

29 1

2019 Peterbilt 579 Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 500HP, 12 Speed Endurant Automatic

$34,900 USD

671,000 Miles, Cummins X15 Engine, 500 H.P., Engine Brake, EEO-18F112C12 Transmission, (Automatic), 72 Inch Unibilt High Roof Sleeper, Upper Bunk, 40,000 Lb. Rear Ends, 2.79 Ratio, Low Air...

Condition	Used
Usage	671,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Pete Low Air Leaf
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	618272
MLS Number	13603412
Category	Sleeper Semi Trucks
Last Updated	6/28/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

19 2

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 500HP, 12 Speed Automatic

$124,950 USD

2023 FREIGHTLINER CASCADIA 126 – 500HP CUMMINS + DINETTE + APU, Only 185,637 miles – Located in Commerce City, CO This clean Cascadia is powered by a 500HP Cummins X15 and Eaton 12-speed...

Condition	Used
Usage	5,395 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
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	CO10375
MLS Number	13601225
Category	Sleeper Semi Trucks
Last Updated	7/1/2025
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

24 1

2021 Kenworth T680 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Price Drop

$62,950 USD

Experience the perfect blend of comfort, power, and efficiency with this 2021 Kenworth T680 Mid Roof Sleeper Truck. With 439,906 miles, this stunning maroon truck is ready to tackle long...

Condition	Used
Usage	13,072 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	MO10262
MLS Number	13537360
Category	Sleeper Semi Trucks
Last Updated	7/4/2025
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

(844) 900-___ SHOW
NUMBERCall Seller

39 1

2021 International LT Sleeper Semi Truck - 68" Raised Roof Sleeper, Cummins 450HP, Automatic

$42,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** AUTOMATIC!!! DEF, ENGINE BRAKE, SLIDING 5TH WHEEL, DEF, TRAILER BRAKE, SUSPENSION AIR DUMP Se Habla Español! NO CREDIT? BAD...

Condition	Used
Usage	514,310 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	68"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	B03341-DELIVERY 2 U
MLS Number	13352803
Category	Sleeper Semi Trucks
Last Updated	6/28/2025
Location	Bakersfield, CA, US
Sold By	Diamond Truck Sales Inc

(844) 823-___ SHOW
NUMBERCall Seller

33 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

$60,000 USD

Worry-Free Program AVAILABLE � 1 OR 2-Year Factory-Backed Engine Aftertreatment Warranty + Extended Vehicle Coverage Preventive Maintenance Service AVAILABLE. $0 Deductible. No Claim...

Inspection Report

Condition	Used
Usage	451,618 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.85 ratio
Stock Number	503118
MLS Number	13670983
Category	Sleeper Semi Trucks
Last Updated	7/2/2025
Location	Shreveport, LA, US
Sold By	International Motors, LLC

(855) 717-___ SHOW
NUMBERCall Seller

44 1

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

$44,900 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
Stock Number	N14789-DELIVERY 2 U
MLS Number	13327358
Category	Sleeper Semi Trucks
Last Updated	6/27/2025
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

23 0

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

$62,500 USD

Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	477,201 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	UPS235019
MLS Number	13669035
Category	Sleeper Semi Trucks
Last Updated	6/26/2025
Location	Brooklyn Park, MN, US
Sold By	Penske Used Trucks

23 0

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

$55,250 USD

Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	567,865 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	UPS235018
MLS Number	13669030
Category	Sleeper Semi Trucks
Last Updated	6/26/2025
Location	Brooklyn Park, MN, US
Sold By	Penske Used Trucks

25 0

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

Price Drop

$64,500 USD

Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	516,969 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	UPP235159
MLS Number	13599994
Category	Sleeper Semi Trucks
Last Updated	7/4/2025
Location	Greeley, CO, US
Sold By	Penske Used Trucks

36 2

2020 International LT Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed Amt

$38,950 USD

For Sale: 2020 International LT625 – Ready to Roll! Take the wheel of this reliable 2020 International LT625, featuring 516,210 miles of proven performance. Powered by a robust Cummins X-15...

Condition	Used
Usage	12,660 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	CS10450
MLS Number	13651999
Category	Sleeper Semi Trucks
Last Updated	7/1/2025
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

36 2

2020 International LT Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed Amt

$38,950 USD

For Sale: 2020 International LT625 – Ready to Roll! Take the wheel of this reliable 2020 International LT625, featuring 516,210 miles of proven performance. Powered by a robust Cummins X-15...

Condition	Used
Usage	12,660 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	CS10450
MLS Number	13651975
Category	Sleeper Semi Trucks
Last Updated	7/1/2025
Location	Oklahoma City, OK, US
Sold By	Michelle Sells Trucks

23 0

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

$41,000 USD

Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	626,327 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	353500
MLS Number	13668349
Category	Sleeper Semi Trucks
Last Updated	6/27/2025
Location	Jessup, PA, US
Sold By	Penske Used Trucks

22 0

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

$55,750 USD

Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	412,746 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	353498
MLS Number	13668348
Category	Sleeper Semi Trucks
Last Updated	6/27/2025
Location	Jessup, PA, US
Sold By	Penske Used Trucks

(844) 216-___ SHOW
NUMBERCall Seller

24 0

2020 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

$54,500 USD

430,655 Miles, Cummins X15 100th Anniversary Edition, 450HP, 12 Speed Eaton Automatic, Double Bunk, Aluminum wheels, Battery APU, Collision Mitigation System, Inverter, Air Slide 5th Wheel,...

Condition	Used
Usage	430,655 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	399405
MLS Number	13586519
Category	Sleeper Semi Trucks
Last Updated	6/26/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(844) 307-___ SHOW
NUMBERCall Seller

2 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

$63,000 USD

APU, DOT, PM Available Factory Warranty!

Inspection Report

Condition	Used
Usage	421,900 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.85 ratio
Stock Number	503326
MLS Number	13668340
Category	Sleeper Semi Trucks
Last Updated	7/2/2025
Location	La Vergne, TN, US
Sold By	International Motors, LLC

(888) 758-___ SHOW
NUMBERCall Seller

33 0

2021 International LT625 Sleeper Semi Truck - 73" Hi Rise Sleeper, Cummins 400HP, 12 Speed

$55,000 USD

Inspection Report

Condition	Used
Usage	438,868 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Hi Rise Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.64 ratio
Stock Number	500118
MLS Number	13154794
Category	Sleeper Semi Trucks
Last Updated	7/11/2025
Location	Conley, GA, US
Sold By	International Motors, LLC

(844) 956-___ SHOW
NUMBERCall Seller

43 0

2019 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 500HP, 12 Speed Amt

$57,900 USD

New Transmission Dec 2023,,

Condition	Used
Usage	449,157 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	80"
Suspension	Flex Air
Rear Axle	Tandem Axle
Rear End	38,000 lb 3.08 ratio
Stock Number	C5299
MLS Number	13415829
Category	Sleeper Semi Trucks
Last Updated	6/26/2025
Location	West Sacramento, CA, US
Sold By	DeWald Equipment

23 0

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

$52,500 USD

MANAGERS SPECIAL Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing;...

Condition	Used
Usage	464,504 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	359600
MLS Number	12669295
Category	Sleeper Semi Trucks
Last Updated	7/9/2025
Location	Columbus, OH, US
Sold By	Penske Used Trucks

(844) 307-___ SHOW
NUMBERCall Seller

33 0

2021 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, Cummins 400HP, 12 Speed

$59,000 USD

Inspection Report

Condition	Used
Usage	317,200 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Hi Rise Sleeper
Sleeper Size	56"
Suspension	Air Ride
Rear End	20,000 lb 2.79 ratio
Stock Number	503200
MLS Number	13665028
Category	Sleeper Semi Trucks
Last Updated	7/2/2025
Location	Commerce City, CO, US
Sold By	International Motors, LLC

(888) 758-___ SHOW
NUMBERCall Seller

33 0

2021 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, Cummins 400HP, 12 Speed

$57,500 USD

Inspection Report

Condition	Used
Usage	325,376 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Hi Rise Sleeper
Sleeper Size	56"
Suspension	Air Ride
Rear End	20,000 lb 2.79 ratio
Stock Number	500701
MLS Number	13378648
Category	Sleeper Semi Trucks
Last Updated	7/11/2025
Location	Conley, GA, US
Sold By	International Motors, LLC

23 0

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

$69,500 USD

Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	448,400 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	UPS234977
MLS Number	13566775
Category	Sleeper Semi Trucks
Last Updated	7/13/2025
Location	Kansas City, MO, US
Sold By	Penske Used Trucks

23 0

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

$66,750 USD

Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	522,823 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	UPP235153
MLS Number	13560530
Category	Sleeper Semi Trucks
Last Updated	7/11/2025
Location	Torrance, CA, US
Sold By	Penske Used Trucks

23 0

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

$66,750 USD

Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	526,618 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	UPP235050
MLS Number	13557465
Category	Sleeper Semi Trucks
Last Updated	7/4/2025
Location	Torrance, CA, US
Sold By	Penske Used Trucks

23 0

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

$67,250 USD

Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	516,357 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	UPP235044
MLS Number	13560527
Category	Sleeper Semi Trucks
Last Updated	7/11/2025
Location	Torrance, CA, US
Sold By	Penske Used Trucks