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 Santa Maria, California

Used 2020 Freightliner Cascadia - photo 1

Used 2020 Freightliner Cascadia - photo 2

Used 2020 Freightliner Cascadia Detroit Diesel DD15 Day Cab Truck

$57,082

speed 380,964 mi

location_on

Ryder Used Trucks

Oklahoma City, OK (1,281.1 mi)

(855) 459-6420

Used 2020 Kenworth T880 Cummins ISX / X15 Semi Trucks / Tractors

$84,950

speed 312,400 mi

sell

Key features

X15
6x4

location_on

MHC Internet Truck Sales

Oklahoma City, OK (1,281.1 mi)

(833) 865-7764

Used 2022 Peterbilt 579 Paccar MX/MX-13 Semi Trucks / Tractors

$66,950

speed 335,665 mi

sell

Key features

MX13 EPA21
6x4

location_on

MHC Internet Truck Sales

Oklahoma City, OK (1,281.1 mi)

(833) 865-7764

Used 2022 Kenworth T680 Paccar MX/MX-13 Semi Trucks / Tractors

$72,950

speed 376,348 mi

sell

Key features

MX13 EPA21
6x4

location_on

MHC Internet Truck Sales

Oklahoma City, OK (1,281.1 mi)

(833) 865-7764

Used 2022 Kenworth T680 Paccar MX/MX-13 Semi Trucks / Tractors

$72,950

speed 376,846 mi

sell

Key features

MX13 EPA21
6x4

location_on

MHC Internet Truck Sales

Oklahoma City, OK (1,281.1 mi)

(833) 865-7764

Used 2022 Kenworth T680 Paccar MX/MX-13 Semi Trucks / Tractors

$67,950

speed 456,801 mi

sell

Key features

MX13 EPA21
6x4

location_on

MHC Internet Truck Sales

Oklahoma City, OK (1,281.1 mi)

(833) 865-7764

Used 2024 Kenworth T880 Cummins ISX / X15 Semi Trucks / Tractors

$132,500

speed 177,900 mi

sell

Key features

X15
6x4

location_on

MHC Internet Truck Sales

Oklahoma City, OK (1,281.1 mi)

(833) 865-7764

Used 2024 Kenworth T880 Cummins ISX / X15 Semi Trucks / Tractors

$129,950

speed 203,600 mi

sell

Key features

X15
6x4

location_on

MHC Internet Truck Sales

Oklahoma City, OK (1,281.1 mi)

(833) 865-7764

Used 2022 Kenworth T680 Paccar MX/MX-13 Semi Trucks / Tractors

$72,950

speed 349,823 mi

sell

Key features

MX13 EPA21
6x4

location_on

MHC Internet Truck Sales

Oklahoma City, OK (1,281.1 mi)

(833) 865-7764

Used 2022 Peterbilt 579 Paccar MX/MX-13 Semi Trucks / Tractors

$62,950

speed 333,853 mi

sell

Key features

MX13 EPA21
6x4

location_on

MHC Internet Truck Sales

Oklahoma City, OK (1,281.1 mi)

(833) 865-7764

Used 2022 Kenworth T680 Paccar MX/MX-13 Semi Trucks / Tractors

$59,950

speed 436,575 mi

sell

Key features

MX13 EPA21
6x4

location_on

MHC Internet Truck Sales

Oklahoma City, OK (1,281.1 mi)

(833) 865-7764

Used 2020 Kenworth T370 Paccar PX-9 Semi Trucks / Tractors

$52,500

speed 152,560 mi

sell

Key features

PX-9
4x2

location_on

MHC Internet Truck Sales

Oklahoma City, OK (1,281.1 mi)

(833) 865-7764

$64,997

speed 381,427 mi

location_on

Premier Truck Rental Fort Worth

Fort Worth, TX (1,316.9 mi)

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 (1,320.3 mi)

(956) 477-5995

Semi Trucks for Sale near Santa Maria, California

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Used 2020 Freightliner Cascadia Detroit Diesel DD15 Day Cab Truck

Used 2020 Kenworth T880 Cummins ISX / X15 Semi Trucks / Tractors

Used 2022 Peterbilt 579 Paccar MX/MX-13 Semi Trucks / Tractors

Used 2022 Kenworth T680 Paccar MX/MX-13 Semi Trucks / Tractors

Used 2022 Kenworth T680 Paccar MX/MX-13 Semi Trucks / Tractors

Used 2022 Kenworth T680 Paccar MX/MX-13 Semi Trucks / Tractors

Used 2024 Kenworth T880 Cummins ISX / X15 Semi Trucks / Tractors

Used 2024 Kenworth T880 Cummins ISX / X15 Semi Trucks / Tractors

Used 2022 Kenworth T680 Paccar MX/MX-13 Semi Trucks / Tractors

Used 2022 Peterbilt 579 Paccar MX/MX-13 Semi Trucks / Tractors

Used 2022 Kenworth T680 Paccar MX/MX-13 Semi Trucks / Tractors

Used 2020 Kenworth T370 Paccar PX-9 Semi Trucks / Tractors

New 2027 Kenworth W900 Cummins GX Sleeper Truck

Used 2021 Freightliner Cascadia Detroit DD13 Sleeper Truck

Used 2022 Freightliner Cascadia Detroit DD13 Day Cab Truck

Used 2021 Freightliner Cascadia Detroit DD13 Sleeper Truck

Used 2024 Freightliner Cascadia Detroit DD15AT Sleeper Truck

Used 2021 Freightliner Cascadia Detroit DD13 Sleeper Truck

Used 2021 Freightliner Cascadia Detroit DD13 Day Cab Truck

Used 2021 Freightliner Cascadia Detroit DD13 Day Cab Truck

Used 2020 Freightliner Cascadia Detroit DD13 Day Cab Truck

Used 2021 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 2021 Freightliner Cascadia Detroit DD15AT Sleeper Truck

Used 2020 Freightliner Cascadia Detroit DD13 Day Cab Truck

Used 2020 Freightliner Cascadia Cummins X15 Day Cab Truck

Used 2016 Freightliner Cascadia Detroit DD15 Sleeper Truck

Used 2023 International LT International A26 Sleeper Truck

Used 2025 Freightliner Cascadia Cummins X15 Sleeper Truck

Frequently Asked Questions about Semi Trucks / Tractors

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