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 Berkeley, California

Used 2022 Freightliner Cascadia - photo 1

Used 2022 Freightliner Cascadia - photo 2

Used 2022 Freightliner Cascadia Detroit DD15AT Sleeper Truck

$92,000

speed 404,228 mi

location_on

Penske Used Trucks

San Antonio, TX (1,487.2 mi)

Used 2022 Freightliner Cascadia Detroit DD15AT Sleeper Truck

$58,750

speed 661,765 mi

location_on

Penske Used Trucks

San Antonio, TX (1,487.2 mi)

Used 2022 Freightliner Cascadia Detroit DD15AT Sleeper Truck

$75,500

speed 547,708 mi

location_on

Penske Used Trucks

San Antonio, TX (1,487.2 mi)

Used 2020 Freightliner Cascadia - photo 1

Used 2020 Freightliner Cascadia - photo 2

Used 2020 Freightliner Cascadia Detroit DD13 Day Cab Truck

$44,750

speed 437,448 mi

location_on

Penske Used Trucks

Schertz, TX (1,487.4 mi)

Used 2020 Freightliner Cascadia Detroit DD13 Day Cab Truck

$46,000

speed 415,076 mi

location_on

Penske Used Trucks

Schertz, TX (1,487.4 mi)

Used 2020 Freightliner Cascadia Detroit DD13 Day Cab Truck

$44,750

speed 436,820 mi

location_on

Penske Used Trucks

Schertz, TX (1,487.4 mi)

New 2026 Freightliner Cascadia - photo 1

New 2026 Freightliner Cascadia - photo 2

$52,900

speed 521,593 mi

sell

Key features

X15
SBA 6x4
Sleeper Cab

location_on

Doggett Freightliner - San Antonio

San Antonio, TX (1,488.3 mi)

(830) 429-5002

Used 2022 Freightliner Cascadia Detroit DD13 Sleeper Truck

$71,900

speed 476,670 mi

location_on

Doggett Freightliner - San Antonio

San Antonio, TX (1,488.3 mi)

(830) 429-5002

Used 2023 Freightliner Cascadia Detroit DD15 Sleeper Truck

$82,900

speed 458,178 mi

location_on

Doggett Freightliner - San Antonio

San Antonio, TX (1,488.3 mi)

(830) 429-5002

Used 2022 International LT Cummins X15 Semi Trucks / Tractors

$54,900

speed 459,105 mi

sell

Key features

X15
SBA 6x4
Sleeper Cab

location_on

Doggett Freightliner - San Antonio

San Antonio, TX (1,488.3 mi)

(830) 429-5002

Used 2024 Freightliner Cascadia - photo 1

Used 2024 Freightliner Cascadia - photo 2

Used 2024 Freightliner Cascadia Cummins X15 Sleeper Truck

$64,900

speed 611,830 mi

location_on

Doggett Freightliner - Laredo

Laredo, TX (1,490.4 mi)

(956) 477-5995

Used 2021 Freightliner Cascadia Detroit DD15 Sleeper Truck

$52,900

speed 625,691 mi

location_on

Doggett Freightliner - Laredo

Laredo, TX (1,490.4 mi)

(956) 477-5995

Used 2025 Freightliner Cascadia - photo 1

Used 2025 Freightliner Cascadia - photo 2

Used 2025 Freightliner Cascadia Cummins X15 Sleeper Truck

$99,900

speed 430,862 mi

location_on

Doggett Freightliner - Laredo

Laredo, TX (1,490.4 mi)

(956) 477-5995

Used 2022 Kenworth T680 Cummins X15 Sleeper Truck

$62,900

speed 611,712 mi

location_on

Doggett Freightliner - Laredo

Laredo, TX (1,490.4 mi)

(956) 477-5995

Used 2024 Freightliner Cascadia Detroit DD15 Sleeper Truck

$79,900

speed 582,922 mi

location_on

Doggett Freightliner - Laredo

Laredo, TX (1,490.4 mi)

(956) 477-5995

Used 2024 Freightliner Cascadia Detroit DD15 Sleeper Truck

$79,900

speed 565,385 mi

location_on

Doggett Freightliner - Laredo

Laredo, TX (1,490.4 mi)

(956) 477-5995

Used 2022 International LT Cummins X15 Sleeper Truck

$52,900

speed 492,716 mi

location_on

Doggett Freightliner - Laredo

Laredo, TX (1,490.4 mi)

(956) 477-5995

Used 2024 Freightliner Cascadia Detroit DD15 Sleeper Truck

$69,900

speed 641,195 mi

location_on

Doggett Freightliner - Laredo

Laredo, TX (1,490.4 mi)

(956) 477-5995

Used 2022 International LT Cummins X15 Sleeper Truck

$54,900

speed 423,868 mi

location_on

Doggett Freightliner - Laredo

Laredo, TX (1,490.4 mi)

(956) 477-5995

Used 2022 International LT Cummins X15 Semi Trucks / Tractors

$54,900

speed 449,885 mi

sell

Key features

X15
SBA 6x4
Sleeper Cab

location_on

Doggett Freightliner - Laredo

Laredo, TX (1,490.4 mi)

(956) 477-5995

Semi Trucks for Sale near Berkeley, California

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Used 2022 Freightliner Cascadia Detroit DD15AT Sleeper Truck

Used 2022 Freightliner Cascadia Detroit DD15AT Sleeper Truck

Used 2022 Freightliner Cascadia Detroit DD15AT Sleeper Truck

Used 2020 Freightliner Cascadia Detroit DD13 Day Cab Truck

Used 2020 Freightliner Cascadia Detroit DD13 Day Cab Truck

Used 2020 Freightliner Cascadia Detroit DD13 Day Cab Truck

New 2026 Freightliner Cascadia Detroit DD13 Day Cab Truck

Used 2022 Freightliner Cascadia Detroit DD13 Sleeper Truck

Used 2022 Freightliner Cascadia Detroit DD15 Sleeper Truck

Used 2021 Freightliner Cascadia Detroit DD15 Sleeper Truck

Used 2022 Freightliner Cascadia Detroit DD13 Sleeper Truck

Used 2022 Freightliner Cascadia Detroit DD13 Sleeper Truck

Used 2023 Freightliner Cascadia Detroit DD15 Sleeper Truck

Used 2022 Freightliner Cascadia Detroit DD15 Sleeper Truck

Used 2020 Freightliner Cascadia Detroit DD15 Sleeper Truck

Used 2022 Freightliner Cascadia Cummins X12 Day Cab Truck

Used 2022 International LT Cummins X15 Semi Trucks / Tractors

Used 2022 Freightliner Cascadia Detroit DD13 Sleeper Truck

Used 2023 Freightliner Cascadia Detroit DD15 Sleeper Truck

Used 2022 International LT Cummins X15 Semi Trucks / Tractors

Used 2024 Freightliner Cascadia Cummins X15 Sleeper Truck

Used 2021 Freightliner Cascadia Detroit DD15 Sleeper Truck

Used 2025 Freightliner Cascadia Cummins X15 Sleeper Truck

Used 2022 Kenworth T680 Cummins X15 Sleeper Truck

Used 2024 Freightliner Cascadia Detroit DD15 Sleeper Truck

Used 2024 Freightliner Cascadia Detroit DD15 Sleeper Truck

Used 2022 International LT Cummins X15 Sleeper Truck

Used 2024 Freightliner Cascadia Detroit DD15 Sleeper Truck

Used 2022 International LT Cummins X15 Sleeper Truck

Used 2022 International LT Cummins X15 Semi Trucks / Tractors

Frequently Asked Questions about Semi Trucks / Tractors

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