12 Speed 6x4 Sleeper Semi Trucks For Sale

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Freightliner Cascadia 125 Sleeper Semi Truck - Detroit 455HP, 12 Speed Automatic
4 0

2018 Freightliner Cascadia 125 Sleeper Semi Truck - Detroit 455HP, 12 Speed Automatic

$38,900 USD
Fleet maintained unit by TCI, One owner truck, Call Ed for more information or financing options
ConditionUsed
Usage531,810 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Automatic
Rear AxleTandem Axle
Rear End40,000 lb
Stock NumberL18407
MLS Number13127251
CategorySleeper Semi Trucks
Last Updated12/12/2024
Location
Phoenix, AZ, US
Sold By

TCI Transportation

Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Amt
13 0

2025 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Amt

$182,069 USD
Qualifies for Fed Ex Service. Bunk Heater,
ConditionNew
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelPaccar MX-13
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size76"
SuspensionAG 400L
Rear AxleTandem Axle
Rear End40,000 lb 2.79 ratio
Stock NumberSJ132712
MLS Number13089554
CategorySleeper Semi Trucks
Last Updated12/12/2024
Location
Hagerstown, MD, US
Sold By

Truck Enterprises Inc.

International LT625 Sleeper Semi Truck - 73" Hi Rise Sleeper, Cummins 400HP, 12 Speed
33 0

2020 International LT625 Sleeper Semi Truck - 73" Hi Rise Sleeper, Cummins 400HP, 12 Speed

$44,500 USD
Inspection Report
ConditionUsed
Usage437,255 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeHi Rise Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End40,000 lb 2.64 ratio
Stock Number499597
MLS Number13100964
CategorySleeper Semi Trucks
Last Updated12/12/2024
Location
Tampa, FL, US
Sold By

International Motors, LLC

Freightliner Cascadia 125 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, Amt
24 0

2016 Freightliner Cascadia 125 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, Amt

$20,000 USD
2016 Freightliner double bunk sleeper AC blows cold Excellent condition Fleet maintained Runs great, well maintained, Call Ed Gibbs,
ConditionUsed
Usage812,312 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Ultrashift Plus Automated
Sleeper TypeRaised Roof Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.23 ratio
Stock Number16436
MLS Number12731305
CategorySleeper Semi Trucks
Last Updated12/12/2024
Location
Phoenix, AZ, US
Sold By

TCI Transportation

International LT625 Sleeper Semi Truck - 73" Hi Rise Sleeper, Cummins 450HP, 12 Speed
33 0

2021 International LT625 Sleeper Semi Truck - 73" Hi Rise Sleeper, Cummins 450HP, 12 Speed

$52,000 USD
Inspection Report
ConditionUsed
Usage457,125 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeHi Rise Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End20,000 lb 2.64 ratio
Stock Number498466
MLS Number12970943
CategorySleeper Semi Trucks
Last Updated12/11/2024
Location
West Sacramento, CA, US
Sold By

International Motors, LLC

Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Cummins 500HP, 12 Speed Endurant Amt
10 0

2025 Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Cummins 500HP, 12 Speed Endurant Amt

$194,950 USD
New 2025 Kenworth T880 Sleeper Truck for Sale. Features: 40" Low Roof Sleeper, 90-Gallon Fuel Capacity, Stainless Steel Sunvisor, Tapered Aluminum Bumper, Stainless Steel Quarter Fenders,...
ConditionNew
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power500 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeFlat Top Sleeper
Sleeper Size40"
SuspensionAG 400L
Rear AxleTandem Axle
Rear End40,000 lb 3.25 ratio
Stock Number160951
MLS Number13279541
CategorySleeper Semi Trucks
Last Updated12/11/2024
Location
Coopersburg, PA, US
Sold By

Coopersburg & Liberty Kenworth

Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Cummins 500HP, 12 Speed Endurant Amt
10 0

2025 Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Cummins 500HP, 12 Speed Endurant Amt

$194,950 USD
New 2025 Kenworth T880 Sleeper Truck for Sale. Features: 40" Low Roof Sleeper, 90-Gallon Fuel Capacity, Stainless Steel Sunvisor, Tapered Aluminum Bumper, Stainless Steel Quarter Fenders,...
ConditionNew
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power500 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeFlat Top Sleeper
Sleeper Size40"
SuspensionAG 400L
Rear AxleTandem Axle
Rear End40,000 lb 3.25 ratio
Stock Number160950
MLS Number13279539
CategorySleeper Semi Trucks
Last Updated12/11/2024
Location
Coopersburg, PA, US
Sold By

Coopersburg & Liberty Kenworth

Kenworth T880 Sleeper Semi Truck - 52" Mid Roof Sleeper, Cummins 500HP, 12 Speed Endurant Amt
7 0

2025 Kenworth T880 Sleeper Semi Truck - 52" Mid Roof Sleeper, Cummins 500HP, 12 Speed Endurant Amt

$209,950 USD
New Kenworth T880 Mid-roof Sleeper for sale. Features: Dual Exhaust, 230-gallon Fuel Capacity, Espar Bunk Heater, Slate Gray Vantage Interior, Heated Leather Driver's Seat, Liftable Lower...
ConditionNew
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power500 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeMid Roof Sleeper
Sleeper Size52"
SuspensionAG 400L
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number180063
MLS Number13277860
CategorySleeper Semi Trucks
Last Updated12/10/2024
Location
Swedesboro, NJ, US
Sold By

Coopersburg & Liberty Kenworth

Volvo VNL740 Sleeper Semi Truck, Volvo D-13, Automatic
18 0

2016 Volvo VNL740 Sleeper Semi Truck, Volvo D-13, Automatic

Price Drop
$16,000 USD
ConditionUsed
Usage925,686 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power405 HP
Engine ModelVolvo D-13
Drivetrain6x4
Transmission12 Speed I Shift Automatic
Sleeper TypeMid Roof Sleeper
Sleeper Size61"
Rear End2.47 ratio
Stock Number351653
MLS Number12978305
CategorySleeper Semi Trucks
Last Updated2/12/2025
Location
LONDON, KY, US
Sold By

Schneider

Volvo VNL64T860 Sleeper Semi Truck - Raised Roof Sleeper, D13 455HP, 12 Speed I Shift Amt
17 0

2020 Volvo VNL64T860 Sleeper Semi Truck - Raised Roof Sleeper, D13 455HP, 12 Speed I Shift Amt

$59,900 USD
Well Maintained Fleet Truck ✅ , Fully Serviced ✅ , Work Station ✅, Road Ready ✅, ❌ STOP MAKING MONEY FOR OTHERS! ❌ Be your OWN BOSS, make your OWN money! If we can't...
ConditionUsed
Usage668,901 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelVolvo D13
Drivetrain6x4
Transmission12 Speed I Shift Automatic
Sleeper TypeRaised Roof Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number3654
MLS Number12071334
CategorySleeper Semi Trucks
Last Updated12/10/2024
Location
Donna, TX, US
Sold By

DeLucio USA

Volvo VNL740 Sleeper Semi Truck, Volvo D-13, Automatic
18 0

2016 Volvo VNL740 Sleeper Semi Truck, Volvo D-13, Automatic

Price Drop
$16,000 USD
ConditionUsed
Usage939,837 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power405 HP
Engine ModelVolvo D-13
Drivetrain6x4
Transmission12 Speed I Shift Automatic
Sleeper TypeMid Roof Sleeper
Sleeper Size61"
Rear End2.47 ratio
Stock Number351642
MLS Number12970677
CategorySleeper Semi Trucks
Last Updated2/12/2025
Location
LONDON, KY, US
Sold By

Schneider

Peterbilt 579 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Amt
5 0

2020 Peterbilt 579 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Amt

$34,000 USD
NICE TRUCK, CLEAN, LOW MILES, LEASE MAINTAINED!! runs and drives excellent, power windows, power mirrors, heated mirrors, double bunk, A/S 5th, differential lock, dump valve, tilt/tele, dual...
ConditionUsed
Usage446,483 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelPaccar MX-13
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size76"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb
Stock Number20MX446579
MLS Number13275747
CategorySleeper Semi Trucks
Last Updated12/7/2024
Location
Covington, TN, US
Sold By

Don Baskin Truck Sales

Volvo VNL740 Sleeper Semi Truck, Volvo D-13, Automatic
18 0

2016 Volvo VNL740 Sleeper Semi Truck, Volvo D-13, Automatic

Price Drop
$16,000 USD
ConditionUsed
Usage932,941 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power405 HP
Engine ModelVolvo D-13
Drivetrain6x4
Transmission12 Speed I Shift Automatic
Sleeper TypeMid Roof Sleeper
Sleeper Size61"
Rear End2.47 ratio
Stock Number351622
MLS Number12970675
CategorySleeper Semi Trucks
Last Updated2/12/2025
Location
LONDON, KY, US
Sold By

Schneider

Kenworth W990 Sleeper Semi Truck - 40" Flat Top Sleeper, Cummins 500HP, 12 Speed Endurant Amt
5 0

2025 Kenworth W990 Sleeper Semi Truck - 40" Flat Top Sleeper, Cummins 500HP, 12 Speed Endurant Amt

$214,950 USD
New 2025 Kenworth W990 Sleeper Truck for Sale. Features: 40" Low-Roof Sleeper, 220-Gallon Fuel Capacity, Dual Exhaust Stacks, Stainless Steel Sunvisor, Chrome Bumper, Stainless Steel Quarter...
ConditionNew
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power500 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeFlat Top Sleeper
Sleeper Size40"
SuspensionAG 400L
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number174418
MLS Number13272913
CategorySleeper Semi Trucks
Last Updated12/6/2024
Location
Swedesboro, NJ, US
Sold By

Coopersburg & Liberty Kenworth

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed
33 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

Price Drop
$53,000 USD
Inspection Report
ConditionUsed
Usage398,073 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End20,000 lb 2.64 ratio
Stock Number500495
MLS Number13272576
CategorySleeper Semi Trucks
Last Updated2/22/2025
Location
Commerce City, CO, US
Sold By

International Motors, LLC

Freightliner Cascadia 113 Sleeper Semi Truck - Detroit 450HP, 12 Speed Dt12 Amt
24 0

2017 Freightliner Cascadia 113 Sleeper Semi Truck - Detroit 450HP, 12 Speed Dt12 Amt

$19,995 USD
2017 FREIGHTLINER FINANCING AVAILABLE WITH APPROVED CREDIT
ConditionUsed
Usage26,199 Hours
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelDetroit DD13
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automated
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.07 ratio
Stock NumberST972
MLS Number12949065
CategorySleeper Semi Trucks
Last Updated12/5/2024
Location
EDGEWATER, FL, US
Sold By

Florida Shores Truck Center

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed
1 0

2020 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

$44,500 USD
60-Day Truck Protect Promise with qualifying Retail Purchase. 1 2-Year Factory-Backed Engine Aftertreatment Warranty AVAILABLE. $0 Deductible. No Claim Maximum. Backed by Dealer Network of...
Inspection Report
ConditionUsed
Usage499,357 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End40,000 lb 2.64 ratio
Stock Number499878
MLS Number13268043
CategorySleeper Semi Trucks
Last Updated12/4/2024
Location
Joliet, IL, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed
33 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

Price Drop
$48,977 USD
Inspection Report
ConditionUsed
Usage450,383 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End20,000 lb 2.64 ratio
Stock Number500494
MLS Number13268029
CategorySleeper Semi Trucks
Last Updated2/12/2025
Location
Kansas City, MO, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 73" Hi Rise Sleeper, Cummins 400HP, 12 Speed
33 0

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

$49,500 USD
60-Day Truck Protect Promise with qualifying Retail Purchase. 1 2-Year Factory-Backed Engine Aftertreatment Warranty AVAILABLE. $0 Deductible. No Claim Maximum. Backed by Dealer Network of...
Inspection Report
ConditionUsed
Usage466,381 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeHi Rise Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End20,000 lb 2.64 ratio
Stock Number499423
MLS Number13268026
CategorySleeper Semi Trucks
Last Updated12/4/2024
Location
Joliet, IL, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 73" Hi Rise Sleeper, A26 450HP, 12 Speed
1 0

2021 International LT625 Sleeper Semi Truck - 73" Hi Rise Sleeper, A26 450HP, 12 Speed

$44,500 USD
60-Day Truck Protect Promise with qualifying Retail Purchase. 1 2-Year Factory-Backed Engine Aftertreatment Warranty AVAILABLE. $0 Deductible. No Claim Maximum. Backed by Dealer Network of...
Inspection Report
ConditionUsed
Usage460,324 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelInternational A26
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeHi Rise Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End20,000 lb 2.64 ratio
Stock Number499047
MLS Number13267994
CategorySleeper Semi Trucks
Last Updated12/4/2024
Location
Joliet, IL, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 73" Hi Rise Sleeper, Cummins 450HP, 12 Speed
1 0

2021 International LT625 Sleeper Semi Truck - 73" Hi Rise Sleeper, Cummins 450HP, 12 Speed

$53,500 USD
60-Day Truck Protect Promise with qualifying Retail Purchase. 1 2-Year Factory-Backed Engine Aftertreatment Warranty AVAILABLE. $0 Deductible. No Claim Maximum. Backed by Dealer Network of...
Inspection Report
ConditionUsed
Usage432,739 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeHi Rise Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End20,000 lb 2.64 ratio
Stock Number499041
MLS Number13267993
CategorySleeper Semi Trucks
Last Updated12/4/2024
Location
Joliet, IL, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed
33 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

$55,000 USD
Inspection Report
ConditionUsed
Usage426,918 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End20,000 lb 2.64 ratio
Stock Number500646
MLS Number13267990
CategorySleeper Semi Trucks
Last Updated12/4/2024
Location
Kansas City, MO, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, A26 400HP, 12 Speed
1 0

2020 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, A26 400HP, 12 Speed

$45,000 USD
60-Day Truck Protect Promise with qualifying Retail Purchase. 60-Day Truck Protect Promise Coverage INCLUDES Factory-Backed Engine Aftertreatment, Transmission and MORE.
Inspection Report
ConditionUsed
Usage298,505 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelInternational A26
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeHi Rise Sleeper
Sleeper Size56"
SuspensionAir Ride
Rear End40,000 lb 2.79 ratio
Stock Number498194
MLS Number13267988
CategorySleeper Semi Trucks
Last Updated2/3/2025
Location
Joliet, IL, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, A26 450HP, 12 Speed
1 0

2020 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, A26 450HP, 12 Speed

$44,500 USD
60-Day Truck Protect Promise with qualifying Retail Purchase. 1 2-Year Factory-Backed Engine Aftertreatment Warranty AVAILABLE. $0 Deductible. No Claim Maximum. Backed by Dealer Network of...
Inspection Report
ConditionUsed
Usage348,140 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelInternational A26
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End40,000 lb 2.79 ratio
Stock Number495938
MLS Number13267973
CategorySleeper Semi Trucks
Last Updated12/4/2024
Location
Joliet, IL, US
Sold By

International Motors, LLC

Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Paccar 455HP, 12 Speed Automatic
11 0

2025 Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Paccar 455HP, 12 Speed Automatic

$189,950 USD
New 2025 Kenworth T880 Sleeper for Sale. Features: 40" Flat-Top Sleeper, Dual Exhaust Stack, Tapered Aluminum Bumper, Stainless Steel Quarter Fenders, Stainless Steel Sunvisor, 120-Gallon...
ConditionNew
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelPaccar MX-13
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeFlat Top Sleeper
Sleeper Size40"
SuspensionAG 400L
Rear AxleTandem Axle
Rear End40,000 lb 3.25 ratio
Stock Number160646
MLS Number13261968
CategorySleeper Semi Trucks
Last Updated11/28/2024
Location
Coopersburg, PA, US
Sold By

Coopersburg & Liberty Kenworth

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