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 Chattanooga, Tennessee

Used 2021 Kenworth T680 Cummins X15 Semi Trucks / Tractors

$97,000

speed 203,151 mi

sell

Key features

X15
6x4

location_on

Penske Used Trucks

Mount Pleasant, PA (470.9 mi)

Used 2022 Freightliner Cascadia - photo 1

Used 2022 Freightliner Cascadia - photo 2

Used 2022 Freightliner Cascadia Detroit DD13 Day Cab Truck

$36,500

speed 601,098 mi

location_on

Penske Used Trucks

Mount Pleasant, PA (470.9 mi)

Used 2021 Kenworth T680 Cummins X15 Semi Trucks / Tractors

$90,250

speed 287,706 mi

sell

Key features

X15
6x4

location_on

Penske Used Trucks

Mount Pleasant, PA (470.9 mi)

Used 2022 Freightliner Cascadia Detroit DD15AT Sleeper Truck

$78,500

speed 509,689 mi

location_on

Penske Used Trucks

Mount Pleasant, PA (470.9 mi)

New 2027 Kenworth W900 Cummins GX Sleeper Truck

$245,865

location_on

MHC Internet Truck Sales

Columbia, MO (471.9 mi)

Used 2022 Freightliner Cascadia Detroit DD15AT Sleeper Truck

$81,500

speed 480,970 mi

location_on

Penske Used Trucks

Pittsburgh, PA (471.4 mi)

Used 2022 Freightliner Cascadia Detroit DD15AT Sleeper Truck

$74,500

speed 517,089 mi

location_on

Penske Used Trucks

Pittsburgh, PA (471.4 mi)

Used 2021 Peterbilt 579 Paccar MX/MX-13 Semi Trucks / Tractors

$39,950

speed 425,650 mi

sell

Key features

MX13 EPA21
6x4

location_on

MHC Internet Truck Sales

Columbia, MO (471.9 mi)

Used 2021 Peterbilt 579 Paccar MX/MX-13 Semi Trucks / Tractors

$39,950

speed 436,568 mi

sell

Key features

MX13 EPA21
6x4

location_on

MHC Internet Truck Sales

Columbia, MO (471.9 mi)

Used 2022 Volvo VNL Volvo D13 Semi Trucks / Tractors

$85,000

speed 467,310 mi

sell

Key features

D13
6x4

location_on

Penske Used Trucks

Sandston, VA (475.1 mi)

New 2027 Kenworth W900 Cummins GX Sleeper Truck

contact for price

location_on

MHC Internet Truck Sales

Springfield, MO (476.6 mi)

New 2027 Kenworth W900 Cummins GX Sleeper Truck

contact for price

location_on

MHC Internet Truck Sales

Springfield, MO (476.6 mi)

Used 2021 Freightliner Cascadia - photo 1

Used 2021 Freightliner Cascadia - photo 2

Used 2021 Freightliner Cascadia Detroit DD13 Day Cab Truck

$52,750

speed 440,950 mi

location_on

Penske Used Trucks

Springfield, MO (476.6 mi)

Used 2022 Freightliner Cascadia Detroit DD15AT Sleeper Truck

$69,750

speed 599,020 mi

location_on

Penske Used Trucks

Springfield, MO (476.6 mi)

Used 2025 Peterbilt 579 Cummins ISX/ISX15/X15 Sleeper Truck

$137,950

speed 161,630 mi

location_on

MHC Internet Truck Sales

Springfield, MO (476.6 mi)

Used 2023 Kenworth T680 Cummins ISX / X15 Semi Trucks / Tractors

$54,950

speed 699,971 mi

sell

Key features

X15
6x4

location_on

MHC Internet Truck Sales

Springfield, MO (476.6 mi)

Used 2023 Kenworth T680 Cummins ISX / X15 Semi Trucks / Tractors

$79,950

speed 368,500 mi

sell

Key features

X15
6x4

location_on

MHC Internet Truck Sales

Springfield, MO (476.6 mi)

Used 2020 Kenworth T680 Cummins ISX / X15 Semi Trucks / Tractors

$42,950

speed 696,886 mi

sell

Key features

X15
6x4

location_on

MHC Internet Truck Sales

Springfield, MO (476.6 mi)

Used 2020 Kenworth T680 Cummins ISX / X15 Semi Trucks / Tractors

$42,950

speed 685,537 mi

sell

Key features

X15
6x4

location_on

MHC Internet Truck Sales

Springfield, MO (476.6 mi)

Used 2024 International LT Cummins X15, Signature Sleeper Truck

$86,950

speed 233,993 mi

location_on

MHC Internet Truck Sales

Springfield, MO (476.6 mi)

Used 2024 International LT Cummins X15, Signature Sleeper Truck

$83,950

speed 279,268 mi

location_on

MHC Internet Truck Sales

Springfield, MO (476.6 mi)

Used 2024 International LT Cummins X15, Signature Sleeper Truck

$83,950

speed 254,463 mi

location_on

MHC Internet Truck Sales

Springfield, MO (476.6 mi)

Used 2024 International LT Cummins X15, Signature Sleeper Truck

$83,950

speed 267,094 mi

location_on

MHC Internet Truck Sales

Springfield, MO (476.6 mi)

Used 2024 International LT Cummins X15, Signature Sleeper Truck

$79,950

speed 327,549 mi

location_on

MHC Internet Truck Sales

Springfield, MO (476.6 mi)

Used 2024 International LT Cummins X15, Signature Sleeper Truck

$79,950

speed 308,545 mi

location_on

MHC Internet Truck Sales

Springfield, MO (476.6 mi)

Used 2021 Kenworth T680 Cummins ISX / X15 Semi Trucks / Tractors

$39,950

speed 768,729 mi

sell

Key features

X15
6x4

location_on

MHC Internet Truck Sales

Springfield, MO (476.6 mi)

Used 2024 International LT Cummins X15, Signature Sleeper Truck

$86,950

speed 220,290 mi

location_on

MHC Internet Truck Sales

Springfield, MO (476.6 mi)

Used 2021 Kenworth T680 Cummins ISX / X15 Semi Trucks / Tractors

$45,950

speed 686,031 mi

sell

Key features

X15
6x4

location_on

MHC Internet Truck Sales

Springfield, MO (476.6 mi)

Used 2021 Kenworth T680 Cummins ISX / X15 Semi Trucks / Tractors

$42,950

speed 738,728 mi

sell

Key features

X15
6x4

location_on

MHC Internet Truck Sales

Springfield, MO (476.6 mi)

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

$59,950

speed 346,650 mi

sell

Key features

MX13 EPA21
6x4

location_on

MHC Internet Truck Sales

Springfield, MO (476.6 mi)

Semi Trucks for Sale near Chattanooga, Tennessee

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Used 2021 Kenworth T680 Cummins X15 Semi Trucks / Tractors

Used 2022 Freightliner Cascadia Detroit DD13 Day Cab Truck

Used 2021 Kenworth T680 Cummins X15 Semi Trucks / Tractors

Used 2022 Freightliner Cascadia Detroit DD15AT Sleeper Truck

New 2027 Kenworth W900 Cummins GX Sleeper Truck

Used 2022 Freightliner Cascadia Detroit DD15AT Sleeper Truck

Used 2022 Freightliner Cascadia Detroit DD15AT Sleeper Truck

Used 2021 Peterbilt 579 Paccar MX/MX-13 Semi Trucks / Tractors

Used 2021 Peterbilt 579 Paccar MX/MX-13 Semi Trucks / Tractors

Used 2022 Volvo VNL Volvo D13 Semi Trucks / Tractors

New 2027 Kenworth W900 Cummins GX Sleeper Truck

New 2027 Kenworth W900 Cummins GX Sleeper Truck

Used 2021 Freightliner Cascadia Detroit DD13 Day Cab Truck

Used 2022 Freightliner Cascadia Detroit DD15AT Sleeper Truck

Used 2025 Peterbilt 579 Cummins ISX/ISX15/X15 Sleeper Truck

Used 2023 Kenworth T680 Cummins ISX / X15 Semi Trucks / Tractors

Used 2023 Kenworth T680 Cummins ISX / X15 Semi Trucks / Tractors

Used 2020 Kenworth T680 Cummins ISX / X15 Semi Trucks / Tractors

Used 2020 Kenworth T680 Cummins ISX / X15 Semi Trucks / Tractors

Used 2024 International LT Cummins X15, Signature Sleeper Truck

Used 2024 International LT Cummins X15, Signature Sleeper Truck

Used 2024 International LT Cummins X15, Signature Sleeper Truck

Used 2024 International LT Cummins X15, Signature Sleeper Truck

Used 2024 International LT Cummins X15, Signature Sleeper Truck

Used 2024 International LT Cummins X15, Signature Sleeper Truck

Used 2021 Kenworth T680 Cummins ISX / X15 Semi Trucks / Tractors

Used 2024 International LT Cummins X15, Signature Sleeper Truck

Used 2021 Kenworth T680 Cummins ISX / X15 Semi Trucks / Tractors

Used 2021 Kenworth T680 Cummins ISX / X15 Semi Trucks / Tractors

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

Frequently Asked Questions about Semi Trucks / Tractors

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