Sleeper Semi Trucks For Sale - New & Used 36-, 48-, 60-, 72- & 80-in Sleepers

Compare new and used Semi Trucks on MyLittleSalesman.com, with prices from $3,500 to $320,000. Filter by sleeper type, transmission, horsepower, mileage, and more to choose the best Sleeper Semi Truck.
MyLittleSalesman.com lists over 5,000 new and used sleeper semi trucks for sale from dealers, auctioneers, and owners across the U.S. and Canada. Whether you're an owner-operator looking for a mid-roof 60-inch sleeper for regional runs or outfitting a fleet with 72-inch or 80-inch stand-up condos for OTR teams, you can filter by make, sleeper type, transmission, horsepower, price, and location to zero in on the right truck. Every listing includes full specs and seller contact info, and many include financing estimates so you can compare total cost before you call.
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Showing 1 - 25 of 5,106 Sleeper Semi Truck Listings

1 - 25 of 5,106 listings
1 - 25 of 5,106 listings
Featured Item
2020 International LT625 Sleeper , 90Day Warranty Included , Cummins Engine , Financing For All Credit Types!!!

2020 International LT625 Sleeper , 90Day Warranty Included , Cummins Engine , Financing For All Credit Types!!!

Newly Listed
$38,950 USD
Ready to hit the road in a powerful and reliable workhorse? This 2020 International LT is powered by a Cummins X15 engine delivering a strong 425hp, paired with a smooth automatic...
Warranty
ConditionUsed
Usage465,000 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power425 HP
Engine ModelCummins X15, Signature
Drivetrain6x4
Transmission10 Speed Ultrashift Automatic
Sleeper TypeCondo Sleeper
Sleeper Size73"
Suspension4 Bag Air Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.64 ratio
Stock NumberU821561
MLS Number14263432
CategorySleeper Semi Trucks
Last Updated3/24/2026
Location
Springfield, MO, US
Sold By
Tri State Truck Center - Springfield, MO
Featured Item
Kenworth T800 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 600HP, 18 Speed Autoshift Amt

2008 Kenworth T800 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 600HP, 18 Speed Autoshift Amt

Price Drop $69,500 USD
2008 Kenworth T800W Wide Hood, 557,650 miles, Cummins ISX-600HP, Eaton Fuller 18 speed autoshift with clutch, 20,000 front axle, dual steering boxes, 20,000 steerable pusher axle, 46,000...
ConditionUsed
Usage557,650 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelCummins ISX600
Transmission18 Speed Autoshift Automated
Sleeper TypeRaised Roof Sleeper
Suspension8 Bag Air Ride
Rear AxleTandem Axle
Rear End46,000 lb 3.90 ratio
MLS Number11350123
CategorySleeper Semi Trucks
Last Updated3/20/2026
Location
Woodland, CA, US
Sold By
Western Trencher and Equipment
Featured Item
Kenworth T680 Tri Axle Sleeper Semi Truck - Mid Roof Sleeper, Cummins 500HP, 13 Speed Autoshift Amt

2022 Kenworth T680 Tri Axle Sleeper Semi Truck - Mid Roof Sleeper, Cummins 500HP, 13 Speed Autoshift Amt

$46,900 USD
Cummins X15 450 hp, 13 speed automatic transmission, air ride suspension, steerable pusher axle, dual tanks, stationary 5th wheel, 11R22.5 tires on aluminum wheels, fender mirrors, heated...
ConditionUsed
Usage643,614 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain8x4
Transmission13 Speed Autoshift Automated
Sleeper TypeMid Roof Sleeper
SuspensionAir Ride
Rear AxleTri Axle
Stock Number1202
MLS Number14092375
CategorySleeper Semi Trucks
Last Updated3/16/2026
Location
New Salem, ND, US
Sold By
Pedigree Truck and Trailer Sales, Inc.
Featured Item
Peterbilt 567 Sleeper Semi Truck - Flat Top Sleeper, Paccar 455HP, 10 Speed Ultrashift Automatic

2022 Peterbilt 567 Sleeper Semi Truck - Flat Top Sleeper, Paccar 455HP, 10 Speed Ultrashift Automatic

$83,500 USD
2022 Peterbilt 567 Flat Top Sleeper 218K miles, Paccar MX13 Engine, 455HP, Eaton Automatic Transmission, 52350lb GVW Excellent Shape ready for work,
ConditionUsed
Usage218,838 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelPaccar MX-13
Drivetrain6x4
Transmission10 Speed Ultrashift Automatic
Sleeper TypeFlat Top Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb
MLS Number14096949
CategorySleeper Semi Trucks
Last Updated2/13/2026
Location
Santa Rosa, CA, US
Sold By
Personal Asset Brokerage
Featured Item
2020 Peterbilt 579 Sleeper Sleeper Semi Truck, Over the Road, Delivery, Hauler, Day Cab, Tractor, Trucking, Tandem Axle, Over the Road

2020 Peterbilt 579 Sleeper Sleeper Semi Truck, Over the Road, Delivery, Hauler, Day Cab, Tractor, Trucking, Tandem Axle, Over the Road

$37,500 USD
2020 Peterbilt 579 Sleep Cab Tandem Axle Tractor Stock: 622917 VIN:1XPBDP9X3LD622917 Year:2020 Make:Peterbilt Model:579, Engine: Paccar MX-13 Mileage: 507815 Fuel type: Diesel Transmission:...
ConditionUsed
Usage507,815 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Engine ModelPaccar PX-9
Transmission13 Speed Manual
Sleeper TypeDouble Bunk
Suspension4 Bag Air Ride
Rear AxleTandem Axle
Rear End38,000 lb
Stock Number622917
MLS Number12754554
CategorySleeper Semi Trucks
Last Updated3/25/2026
Location
Elkton, MD, US
Sold By
Complete Recycling Group LLC
Featured Item
2021 International LT625 Sleeper, Affordable, Cummins X15 450hp, Dot Passing, Fresh Detail, Warranty Options , Zero Down Financing (WAC)

2021 International LT625 Sleeper, Affordable, Cummins X15 450hp, Dot Passing, Fresh Detail, Warranty Options , Zero Down Financing (WAC)

$39,950 USD
Grab this road-ready 2021 International LT before it’s gone—low-mileage Cummins X15 450HP powerhouse, butter-smooth 12-speed automatic, 215 WB, 2.79 rears with massive 200-gallon fuel...
Warranty
Quantity13
ConditionUsed
Usage497,005 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15, Signature
Drivetrain6x4
Transmission12 Speed Endurant Automatic
Sleeper TypeMid Roof Sleeper
Sleeper Size56"
Suspension4 Bag Air Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.00 ratio
Stock NumberU066841
MLS Number13999606
CategorySleeper Semi Trucks
Last Updated3/24/2026
Location
Springfield, MO, US
Sold By
Tri State Truck Center - Springfield, MO
Volvo VNL Sleeper Semi Truck

2014 Volvo VNL Sleeper Semi Truck

Price Drop $18,500 USD
G23C10737, 180882-811 STARTED, 06/07/23, RUNS DECENT, NO ISSUES, ECM 612113 2 FRT ALUMINUM 10 HUB PILOT WHEELS, 2 FRT TIRES 295 75 22.5 4/4 REAR ALUM STEEL 10 HUB PILOT WHEELS, 8...
ConditionUsed
Usage610,679 Miles
Engine ModelISX15 400 HP 79707710
Fits To Make(s)VOLVO
Fits To Model(s)VNL
Stock Number180882-811
MLS Number14063849
CategorySleeper Semi Trucks
Last Updated3/26/2026
Location
Toledo, OH, US
Sold By
LKQ Heavy Truck
Volvo VNL Sleeper Semi Truck

2012 Volvo VNL Sleeper Semi Truck

Recently Updated
$16,500 USD
G22G10315, 178182-811 DROVE IN, STARTED 07/19/22, RUNS OK FEW SMALL OIL LEAKS, BELT NEEDS REPLACED, SIGNS OF ANTIFREEZE FRT BUMPER LEFT DOOR, RT FUEL TANK ALL DAMAGED, VERY...
ConditionUsed
Usage681,385 Miles
Engine ModelD13H EPA 10 (MP8) 968790 H1
Fits To Make(s)VOLVO
Fits To Model(s)VNL
Stock Number178182-811
MLS Number12999602
CategorySleeper Semi Trucks
Last Updated3/26/2026
Location
Toledo, OH, US
Sold By
LKQ Heavy Truck
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

Price Drop $61,000 USD
Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 420,214 miles, 505 HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air...
ConditionUsed
Usage434,662 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.23 ratio
Stock Number280832
MLS Number14013634
CategorySleeper Semi Trucks
Last Updated3/26/2026
Location
Tacoma, WA, US
Sold By
Penske Used Trucks
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

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

Recently Updated
Contact for price
Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck, 739,483 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, 240-gallon...
ConditionUsed
Usage739,754 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number272693
MLS Number14063860
CategorySleeper Semi Trucks
Last Updated3/26/2026
Location
Las Vegas, NV, US
Sold By
Penske Used Trucks
Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 450HP, Automatic

2021 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 450HP, Automatic

Recently Updated
$56,900 USD
NICE! 2021 Peterbilt 579; Only 430k Miles! Cummins X15 Power with 450HP; 12 Speed Automatic Transmission; Air Slide 5th Wheel; Heated Mirrors; Hill Start Assist; Full Fairings and Knuckle...
ConditionUsed
Usage430,005 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
TransmissionAutomatic
Sleeper TypeRaised Roof Sleeper
Sleeper Size80"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.85 ratio
Stock Number8680083
MLS Number13825466
CategorySleeper Semi Trucks
Last Updated3/26/2026
Location
Wyoming, MI, US
Sold By
JX Truck Center
Peterbilt 579 Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 450HP, Automatic

2021 Peterbilt 579 Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 450HP, Automatic

Recently Updated
$60,900 USD
This 2021 only has 293k miles! This truck also has received a DOT Inspection; is equipped with a 450hp Cummins X15 Engine; 12 Speed Automatic Transmission; Adaptive Cruise Control: Lane...
ConditionUsed
Usage294,055 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
TransmissionAutomatic
Sleeper TypeRaised Roof Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.79 ratio
Stock Number8680070
MLS Number13825324
CategorySleeper Semi Trucks
Last Updated3/26/2026
Location
Indianapolis, IN, US
Sold By
JX Truck Center
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

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

Price Drop $44,250 USD
Used 2019 Freightliner Cascadia 126 Sleeper Semi Truck, 551,383 miles, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, air ride...
ConditionUsed
Usage554,518 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number241660
MLS Number14098846
CategorySleeper Semi Trucks
Last Updated3/26/2026
Location
Middlefield, OH, US
Sold By
Penske Used Trucks
Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 505HP, 13 Speed Dt12 Manual

2022 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 505HP, 13 Speed Dt12 Manual

Recently Updated
$69,000 USD
The 2022 Freightliner Cascadia 126 is a Class 8 highway tractor that stands out in the used truck market for its advanced performance, modern technology and driver comfort, making it an...
ConditionUsed
Usage15,801 Hours
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission13 Speed Detroit DT12 Manual
Rear AxleTandem Axle
Stock Number2600
MLS Number13749707
CategorySleeper Semi Trucks
Last Updated3/26/2026
Location
North Las Vegas, NV, US
Sold By
TCI Transportation
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

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

Recently Updated
$52,000 USD
Used 2019 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 481,833 miles, 455 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle,...
ConditionUsed
Usage483,998 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number235666
MLS Number13876455
CategorySleeper Semi Trucks
Last Updated3/26/2026
Location
Belcamp, MD, US
Sold By
Penske Used Trucks
Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

2022 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

Recently Updated
$69,000 USD
The 2022 Freightliner Cascadia 126 is a Class 8 highway tractor that stands out in the used truck market for its refined efficiency, advanced technology and driver focused comfort, making it...
ConditionUsed
Usage11,751 Hours
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
Engine ModelDetroit DD15
Transmission12 Speed Detroit DT12 Automated
Sleeper TypeRaised Roof Sleeper
Rear AxleTandem Axle
Stock Number2599
MLS Number13720478
CategorySleeper Semi Trucks
Last Updated3/26/2026
Location
North Las Vegas, NV, US
Sold By
TCI Transportation
Freightliner Cascadia 126 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

Recently Updated
$50,500 USD
Several Available! Super Clean Units!, 8 New tires, 504,571 Miles, DD15 Detroit, 505 HP, Jakes, DT12 Automated, Collision Mitigation System, TriPac APU, Bunk Heater, 40,000# Rears, Air Ride...
ConditionUsed
Usage504,571 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automated
Sleeper TypeMid Roof Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock NumberLJ3608
MLS Number13712677
CategorySleeper Semi Trucks
Last Updated3/26/2026
Location
Monroe, GA, US
Sold By
AAA Trucks LLC
Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

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

Recently Updated
$32,750 USD
Used 2019 Freightliner Cascadia 125 Sleeper Semi Truck for sale, 768,084 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, 13300 lbs front...
ConditionUsed
Usage768,085 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number226783
MLS Number14087543
CategorySleeper Semi Trucks
Last Updated3/26/2026
Location
Fontana, CA, US
Sold By
Penske Used Trucks
Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

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

Recently Updated
$37,000 USD
Used 2019 Freightliner Cascadia 125 Sleeper Semi Truck for sale, 688,996 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...
ConditionUsed
Usage690,091 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number226770
MLS Number14087542
CategorySleeper Semi Trucks
Last Updated3/26/2026
Location
Fontana, CA, US
Sold By
Penske Used Trucks
Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 505HP, Automatic

2022 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 505HP, Automatic

Recently Updated
Contact for price
The 2022 Freightliner Cascadia 126 is a Class 8 highway tractor that stands out in the used truck market for its advanced efficiency, modern technology and driver comfort, making it a top...
ConditionUsed
Usage394,562 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
TransmissionAutomatic
SuspensionAir Ride
Rear AxleTandem Axle
Stock Number2610
MLS Number13630456
CategorySleeper Semi Trucks
Last Updated3/26/2026
Location
North Las Vegas, NV, US
Sold By
TCI Transportation
Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

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

Price Drop $52,500 USD
Used 2019 Freightliner Cascadia 125 Sleeper Semi Truck for sale, 370,176 miles, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle,...
ConditionUsed
Usage370,241 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number218940
MLS Number14219586
CategorySleeper Semi Trucks
Last Updated3/26/2026
Location
Tampa, FL, US
Sold By
Penske Used Trucks
Freightliner Cascadia 116 Single Axle Sleeper Semi Truck - 48" Integral Sleeper, 450HP, 12 Speed Automatic

2019 Freightliner Cascadia 116 Single Axle Sleeper Semi Truck - 48" Integral Sleeper, 450HP, 12 Speed Automatic

Price Drop $49,500 USD
Used 2019 Freightliner Cascadia 116 Sleeper Semi Truck for sale, 328,200 miles, 450 HP DD13 diesel engine, 12-speed Detroit automatic transmission, 48" integral sleeper, air ride suspension....
ConditionUsed
Usage328,360 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelDD13
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size48"
SuspensionAir Ride
Rear AxleSingle Axle
Rear End40,000 lb 3.08 ratio
Stock Number216273
MLS Number14023152
CategorySleeper Semi Trucks
Last Updated3/26/2026
Location
Poplar Bluff, MO, US
Sold By
Penske Used Trucks
1996 Freightliner FLD S/A Truck Tractor

1996 Freightliner FLD S/A Truck Tractor

Recently Updated
At auction Mar. 18
1996 Freightliner FLD120 S/A Truck Tractor, 430,125 miles Showing, Title Will Be Marked Miles Exempt, Cummins N14 6-cylinder turbo diesel engine, Eaton Fuller 10-speed transmission, Fontaine...
ConditionUsed
Stock NumberKD6966
MLS Number14231260
CategorySleeper Semi Trucks
Last Updated3/26/2026
Location
Wellsville, KS, US
Listed By
BigIron Auctions
2005 Western Star 4900EX T/A Truck Tractor

2005 Western Star 4900EX T/A Truck Tractor

Newly Listed
At auction Apr. 1
2005 Western Star 4900EX T/A Truck Tractor, 1946 Hrs Showing, 515 hp, 985,373 miles Showing, Title Will Be Marked Miles Exempt, Detroit Series 60 14.0L Diesel Engine, Engine Brake, Eaton...
ConditionUsed
Stock NumberII7678
MLS Number14267415
CategorySleeper Semi Trucks
Last Updated3/26/2026
Location
Gillette, WY, US
Listed By
BigIron Auctions
1999 Peterbilt 378 T/A Truck Tractor

1999 Peterbilt 378 T/A Truck Tractor

Newly Listed
At auction Apr. 1
1999 Peterbilt 378 T/A Truck Tractor, 1,706,474 miles Showing, Title Will Be Marked Miles Exempt, 6-Cyl Turbo Diesel Engine, 13 Speed Transmission, 285/75R24.5 Tires on Aluminum Wheels,...
ConditionUsed
Stock NumberKD8924
MLS Number14267331
CategorySleeper Semi Trucks
Last Updated3/26/2026
Location
Mcpherson, KS, US
Listed By
BigIron Auctions

Why Choose a Sleeper Semi-Truck?

Sleeper tractors marry long-haul efficiency with on-board comfort. A 72-in or 80-in sleeper lets solo or team drivers log DOT rest periods without costly hotel stops, while integrated HVAC and auxiliary power units (APUs) keep fuel burn in check during overnight idle.

Spec Decisions That Drive Profit

  • Sleeper size: 36-in flat-top to 80-in high-roof—pick weight vs. comfort.
  • Axle configuration: 6×4 tandems handle 80K lb interstate loads; 6×2 lift-axle saves approximate 400 lb tare.
  • Transmission: automated 12-speed for fuel and driver pool; 13-/18-speed manual for heavy haul.
  • Engine rating: 400-500 hp sweet spot balances gradeability and MPG; 565 hp+ for mountains or bulk freight.
  • Aerodynamics & fairings: modern aero packages trim drag up to 7%, saving 900+ gal/year at 120K mi.

4 Things to Know Before You Buy

  1. Total cost of ownership: budget beyond purchase price—figure fuel, DEF, insurance, and maintenance reserve of $0.12-$0.16/mi.
  2. Match the truck to your lanes: spec gear ratios, wheelbase and fuel capacity to your typical terrain and load weight.
  3. Inspect thoroughly: pull ECM reports for idle hours, check frame rails for rust, and review DPF/DEF service records.
  4. Plan financing: weigh loan vs. TRAC lease; new models carry higher payments but lower downtime and tax benefits.

Used Sleeper Inspection Checklist

  • Check bunk HVAC and inverter—common failure points after 500K mi.
  • Inspect cab mounts & bushings for sag that can crack fairings.
  • Scan for after-treatment fault codes (DPF pressure, SCR efficiency).
  • Look for roof and corner cap leaks—water stains mean hidden mold.

Sleeper Semi-Truck Buyer FAQs

What counts as a sleeper semi-truck?

Any road tractor with an integrated berth—typically 60- to 80-in deep—so drivers can legally take DOT rest breaks without a motel.

Typical sleeper-truck prices (March 2026)

Used 2018-2022 sleepers list around $35,000 - $95,000. New 2024-2025 EPA-compliant models generally run $160,000 - $245,000. Heavy-haul or glider builds can exceed $300,000.

Mid-roof vs. high-roof sleeper—what’s better?

Mid-roofs (60-72 in) weigh less and clear most freight docks. High-roofs (72-80 in) add stand-up room, storage cabinets and bigger bunks for team drivers but cost 200-300 lb payload.

Is automatic better than manual?

Automated 12-speed gearboxes improve MPG up to 3% and widen your driver pool. Manuals give seasoned drivers torque control on mountain grades. Choose based on route terrain and driver preference.

How many miles is too many on a sleeper?

Modern 15-L diesels often exceed 1 million miles with proper maintenance. Validate oil-sample history, in-frame rebuilds and after-treatment repairs before purchasing high-milers.

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