What are the most popular brands of semi trucks in the US?

The most popular semi truck brands in the US, known for their reliability, performance, and widespread use, include: Freightliner: Explore our current Freightliner semi truck listings here. International: Find your next International semi truck here. Peterbilt: Browse all available Peterbilt semi trucks for sale. Kenworth: View our selection of Kenworth semi trucks. Volvo: Discover Volvo semi trucks currently available. Mack: See our inventory of Mack semi trucks.

How many miles is too many on a used semi truck?

A well-maintained semi truck engine is built to run 750,000 to over 1,000,000 miles before a major overhaul. Mileage alone isn't the right filter — service history, engine condition, and whether the truck has had any major powertrain work matter more. A 600,000-mile truck with documented maintenance and recent engine work can be a better buy than a 400,000-mile truck with no service records.

Should I buy a day cab or sleeper semi truck?

It depends on your operation. If your routes are regional or local and drivers return home nightly, a day cab is the more practical and cost-efficient choice — it's lighter, simpler, and less expensive to maintain. If you're running long-haul or OTR freight where drivers spend nights on the road, a sleeper provides the comfort and compliance with hours-of-service regulations that an OTR operation requires.

Can I search semi trucks by location on Comvoy?

Yes. Comvoy lets you filter semi truck listings by location so you can find trucks available near you or in a specific state — reducing transport costs and making it easier to inspect before you buy. You can also filter by make, model year, mileage, and price to narrow results to your exact spec.

How much weight can a semi truck carry?

The legal limit for a loaded semi-truck in the US is 80,000 pounds, though the actual capacity can vary depending on the truck and trailer configuration.

How many gears do semi trucks have?

They can have up to 18 gears, providing the necessary torque and power for hauling heavy loads efficiently.

How much fuel do semi trucks use?

Fuel efficiency varies depending on engine size, load weight, and driving conditions, but expect lower mpg than cars, typically around 5-8 mpg.

Do you need a special license to drive a semi truck?

Yes, a Commercial Driver's License (CDL) with specific endorsements is required to operate a semi-truck legally.

What are the challenges of being a truck driver?

Long hours on the road, loneliness, traffic congestion, and dealing with varying weather conditions are some of the challenges truck drivers face.

What kinds of trailers can semi trucks haul?

Semi trucks can haul many different types of trailers. The most commonly hauled trailers are dry vans, reefers, flatbeds, tankers, and lowboys.

Semi Trucks for Sale near Bethlehem, Pennsylvania

Used 2022 Freightliner Cascadia - photo 1

Used 2022 Freightliner Cascadia - photo 2

Used 2022 Freightliner Cascadia Detroit DD15AT Sleeper Truck

$75,250

speed 561,651 mi

location_on

Penske Used Trucks

Minneapolis, MN (962 mi)

(844) 572-5838

Used 2020 Freightliner Cascadia - photo 1

Used 2020 Freightliner Cascadia - photo 2

Used 2020 Freightliner Cascadia Cummins X15 Day Cab Truck

$55,000

speed 391,959 mi

location_on

Penske Used Trucks

Minneapolis, MN (962 mi)

(844) 572-5838

Used 2021 Freightliner Cascadia - photo 1

Used 2021 Freightliner Cascadia - photo 2

Used 2021 Freightliner Cascadia Detroit DD15AT Sleeper Truck

$73,500

speed 479,664 mi

location_on

Penske Used Trucks

Minneapolis, MN (962 mi)

(844) 572-5838

Used 2023 International LT Cummins X15 Semi Trucks / Tractors

$39,250

speed 803,719 mi

sell

Key features

X15
SBA 6x4

location_on

Penske Used Trucks

Minneapolis, MN (962 mi)

(844) 572-5838

Used 2016 Freightliner Cascadia - photo 1

Used 2016 Freightliner Cascadia - photo 2

Used 2016 Freightliner Cascadia Detroit DD13 Sleeper Truck

$39,000

speed 618,959 mi

location_on

Penske Used Trucks

Minneapolis, MN (962 mi)

(844) 572-5838

Used 2020 Freightliner Cascadia Detroit DD15AT Day Cab Truck

$49,500

speed 397,473 mi

location_on

Penske Used Trucks

Minneapolis, MN (962 mi)

(844) 572-5838

Used 2020 Freightliner Cascadia Cummins X15 Day Cab Truck

$60,500

speed 285,030 mi

location_on

Penske Used Trucks

Minneapolis, MN (962 mi)

(844) 572-5838

Used 2023 International LT Cummins X15 Semi Trucks / Tractors

$48,750

speed 688,992 mi

sell

Key features

X15
SBA 6x4

location_on

Penske Used Trucks

Minneapolis, MN (962 mi)

(844) 572-5838

Used 2023 International LT Cummins X15 Semi Trucks / Tractors

$43,750

speed 739,671 mi

sell

Key features

X15
SBA 6x4

location_on

Penske Used Trucks

Minneapolis, MN (962 mi)

(844) 572-5838

Used 2020 Freightliner Cascadia Detroit DD13 Day Cab Truck

$52,750

speed 458,787 mi

location_on

Penske Used Trucks

Pensacola, FL (965.2 mi)

(844) 572-5838

Used 2020 Freightliner Cascadia Detroit DD13 Day Cab Truck

$49,250

speed 450,569 mi

location_on

Penske Used Trucks

Pensacola, FL (965.2 mi)

(844) 572-5838

Used 2021 Freightliner Cascadia Cummins X15 Day Cab Truck

$43,750

speed 587,447 mi

location_on

Penske Used Trucks

Pensacola, FL (965.2 mi)

(844) 572-5838

Used 2021 Freightliner Cascadia Cummins X15 Day Cab Truck

$40,250

speed 622,720 mi

location_on

Penske Used Trucks

Pensacola, FL (965.2 mi)

(844) 572-5838

Used 2021 Freightliner Cascadia Cummins X15 Day Cab Truck

$38,750

speed 638,296 mi

location_on

Penske Used Trucks

Pensacola, FL (965.2 mi)

(844) 572-5838

Used 2021 Freightliner Cascadia Cummins X15 Day Cab Truck

$44,250

speed 583,633 mi

location_on

Penske Used Trucks

Pensacola, FL (965.2 mi)

(844) 572-5838

Used 2021 Freightliner Cascadia Cummins X15 Day Cab Truck

$45,750

speed 566,077 mi

location_on

Penske Used Trucks

Pensacola, FL (965.2 mi)

(844) 572-5838

Used 2021 Freightliner Cascadia Detroit DD13 Day Cab Truck

$49,250

speed 522,005 mi

location_on

Penske Used Trucks

Pensacola, FL (965.2 mi)

(844) 572-5838

Used 2020 Freightliner Cascadia Detroit DD15AT Sleeper Truck

$55,500

speed 701,819 mi

location_on

Penske Used Trucks

Pensacola, FL (965.2 mi)

(844) 572-5838

Used 2021 Freightliner Cascadia Cummins X15 Day Cab Truck

$45,250

speed 573,033 mi

location_on

Penske Used Trucks

Pensacola, FL (965.2 mi)

(844) 572-5838

Used 2019 Freightliner Cascadia - photo 1

Used 2019 Freightliner Cascadia - photo 2

Used 2019 Freightliner Cascadia Detroit DD13 Day Cab Truck

$33,750

speed 620,882 mi

location_on

Penske Used Trucks

Pensacola, FL (965.2 mi)

(844) 572-5838

Used 2020 Freightliner Cascadia Detroit DD13 Day Cab Truck

$48,000

speed 474,701 mi

location_on

Penske Used Trucks

Pensacola, FL (965.2 mi)

(844) 572-5838

Used 2022 Freightliner Cascadia Detroit DD15AT Sleeper Truck

$77,750

speed 521,938 mi

location_on

Penske Used Trucks

Pensacola, FL (965.2 mi)

(844) 572-5838

Used 2021 Freightliner Cascadia Cummins X15 Day Cab Truck

$39,250

speed 635,306 mi

location_on

Penske Used Trucks

Pensacola, FL (965.2 mi)

(844) 572-5838

Used 2021 Freightliner Cascadia Cummins X15 Sleeper Truck

$51,250

speed 745,469 mi

location_on

Penske Used Trucks

Pensacola, FL (965.2 mi)

(844) 572-5838

Used 2021 Freightliner Cascadia Cummins X15 Day Cab Truck

$39,250

speed 634,390 mi

location_on

Penske Used Trucks

Pensacola, FL (965.2 mi)

(844) 572-5838

Used 2017 Freightliner Cascadia - photo 1

Used 2017 Freightliner Cascadia - photo 2

Used 2017 Freightliner Cascadia Detroit DD15 Sleeper Truck

$49,250

speed 676,813 mi

location_on

Penske Used Trucks

Pensacola, FL (965.2 mi)

(844) 572-5838

Used 2021 Freightliner Cascadia Detroit DD13 Day Cab Truck

$49,750

speed 516,669 mi

location_on

Penske Used Trucks

Pensacola, FL (965.2 mi)

(844) 572-5838

Used 2022 Freightliner Cascadia Detroit DD15AT Sleeper Truck

$80,250

speed 520,199 mi

location_on

Penske Used Trucks

Pensacola, FL (965.2 mi)

(844) 572-5838

Used 2021 Freightliner Cascadia Detroit DD15AT Day Cab Truck

$68,750

speed 265,566 mi

location_on

Penske Used Trucks

Pensacola, FL (965.2 mi)

(844) 572-5838

Used 2019 Freightliner Cascadia Detroit DD13 Semi Trucks / Tractors

$53,500

speed 238,277 mi

sell

Key features

DD13
6x4
Day Cab

location_on

Penske Used Trucks

Pensacola, FL (965.2 mi)

(844) 572-5838

Semi Trucks for Sale near Bethlehem, Pennsylvania

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Used 2022 Freightliner Cascadia Detroit DD15AT Sleeper Truck

Used 2020 Freightliner Cascadia Cummins X15 Day Cab Truck

Used 2021 Freightliner Cascadia Detroit DD15AT Sleeper Truck

Used 2023 International LT Cummins X15 Semi Trucks / Tractors

Used 2016 Freightliner Cascadia Detroit DD13 Sleeper Truck

Used 2020 Freightliner Cascadia Detroit DD15AT Day Cab Truck

Used 2020 Freightliner Cascadia Cummins X15 Day Cab Truck

Used 2023 International LT Cummins X15 Semi Trucks / Tractors

Used 2023 International LT Cummins X15 Semi Trucks / Tractors

Used 2020 Freightliner Cascadia Detroit DD13 Day Cab Truck

Used 2020 Freightliner Cascadia Detroit DD13 Day Cab Truck

Used 2021 Freightliner Cascadia Cummins X15 Day Cab Truck

Used 2021 Freightliner Cascadia Cummins X15 Day Cab Truck

Used 2021 Freightliner Cascadia Cummins X15 Day Cab Truck

Used 2021 Freightliner Cascadia Cummins X15 Day Cab Truck

Used 2021 Freightliner Cascadia Cummins X15 Day Cab Truck

Used 2021 Freightliner Cascadia Detroit DD13 Day Cab Truck

Used 2020 Freightliner Cascadia Detroit DD15AT Sleeper Truck

Used 2021 Freightliner Cascadia Cummins X15 Day Cab Truck

Used 2019 Freightliner Cascadia Detroit DD13 Day Cab Truck

Used 2020 Freightliner Cascadia Detroit DD13 Day Cab Truck

Used 2022 Freightliner Cascadia Detroit DD15AT Sleeper Truck

Used 2021 Freightliner Cascadia Cummins X15 Day Cab Truck

Used 2021 Freightliner Cascadia Cummins X15 Sleeper Truck

Used 2021 Freightliner Cascadia Cummins X15 Day Cab Truck

Used 2017 Freightliner Cascadia Detroit DD15 Sleeper Truck

Used 2021 Freightliner Cascadia Detroit DD13 Day Cab Truck

Used 2022 Freightliner Cascadia Detroit DD15AT Sleeper Truck

Used 2021 Freightliner Cascadia Detroit DD15AT Day Cab Truck

Used 2019 Freightliner Cascadia Detroit DD13 Semi Trucks / Tractors

Frequently Asked Questions about Semi Trucks / Tractors

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