# How Much Do Trucks Weigh? | Attorney Brian White **Table of Contents***[*Expand*]* 1. Federal Truck Classifications by Weight 2. What Is Included in GVWR? 3. Categories of Truck Classes 4. How Much Does an 18-Wheeler Weigh? 5. Potential Dangers of Heavier Vehicles 6. Why Does Truck Weight Matter? 7. Contact a Houston Truck Accident Lawyer to Help You With Your Claim ![How Much Do Trucks Weigh?](https://attorneybrianwhite.com/wp-content/uploads/2025/09/How-Much-Do-Trucks-Weigh-300x200.jpg) Most small cars can weigh more than a ton. Given the fact that an 18-wheeler dwarfs cars, vans, and SUVs, you might wonder: How much does a truck weigh? Truck weight can vary considerably, and it’s regulated more tightly than many people realize. Take a closer look at how much trucks can weigh and why vehicle weight is an important consideration for everyone. ## Federal Truck Classifications by Weight Too-heavy trucks can strain bridges and highways and create hazards on the road. The federal government regulates truck weight and determines when a driver needs a commercial driver’s license (CDL) to operate the vehicle safely. There are eight separate truck classes by weight. However, a truck’s class isn’t determined by the weight of the truck itself (the vehicle’s “curb weight”). It’s determined by the [gross vehicle weight rating](https://attorneybrianwhite.com/blog/understanding-gross-vehicle-weight-rating/) (GVWR).  For a legal consultation call [(713) 500-5000](tel:+17135005000) ## What Is Included in GVWR? The GVWR is the maximum loaded weight of a given vehicle, and it includes all of the following: - The curb weight of the vehicle - Cargo - Fuel - Driver and passengers - Trailer tongue weight Trailer tongue weight is the total pressure a loaded trailer exerts on a vehicle’s hitch. The trailer itself is not included in a vehicle’s GVWR; each trailer has its own separate GVWR. ## Categories of Truck Classes Although there are eight truck classes, they are divided into [three main categories](https://afdc.energy.gov/data/10380): - **Light trucks (GVWR up to 14,000 pounds–class 1 and 2)**: Most light trucks are pickup trucks that aren’t used commercially, and you don’t need a CDL to drive one. - **Medium trucks (GVWR 14,001-26,000 pounds–class 3, 4, 5, and 6)**: Most medium trucks are used in commercial settings, but you typically do not need a CDL to drive one. - **Heavy trucks (GVWR over 26,000 pounds–class 7 and 8)**: Heavy trucks are what most people envision when they imagine commercial trucks. This group includes cement trucks and 18-wheelers, and you must have a CDL to drive a heavy truck. While light and medium trucks often fall outside CDL requirements, heavy trucks demand specialized training and licensing due to their size and potential risks on the road. [Click to contact](/contact-us/) us today ## How Much Does an 18-Wheeler Weigh? If you’ve ever seen the aftermath of a [truck accident](https://attorneybrianwhite.com/houston-tx/truck-accident-lawyer/) between a standard car and an 18-wheeler, you likely noticed that the smaller vehicle sustained much greater damage. That’s largely due to the significant weight difference between the two.  Federal law limits the [gross weight of an 18-wheeler](https://www.law.cornell.edu/uscode/text/23/127) to 80,000 pounds (or 40 tons). This limit includes the weight of the truck, the trailer, and all cargo. However, there are limited circumstances where a commercial truck may exceed the 80,000-pound limit. In some states, a trucking company may obtain a permit to transport heavier loads, but these permits are not absolute. Most restrict overweight trucks to certain routes. Complete a [Case Evaluation Form](/contact-us/) Now ## Potential Dangers of Heavier Vehicles Truck drivers undergo extensive training before taking 40-ton vehicles out on the road. However, heavy trucks still pose unique risks, including: - They have a [greater stopping distance](https://ops.fhwa.dot.gov/freight/sw/map21tswstudy/technical_rpts/hstcanalysis/03veh_stability.htm) than lighter trucks and cars - They have a higher risk of brake failure - They are more prone to tipping over - They cause more significant damage in accidents - They are harder to control on wet or icy roads These dangers highlight the importance of the 80,000-pound federal weight limit. A vehicle’s stopping distance increases with weight, so having a much heavier truck on the highway would dramatically increase the risk of [rear-end collisions](https://attorneybrianwhite.com/houston-tx/car-accident-lawyer/rear-end-collision/). ## Why Does Truck Weight Matter? Once you know how much trucks weigh, it becomes easier to understand just how devastating a truck accident can be. There’s no way to guarantee safety on the road, but when you drive defensively and remain mindful of the risks posed by heavier vehicles, you’re taking an important step to protect yourself and others. ## Contact a Houston Truck Accident Lawyer to Help You With Your Claim Our offices Houston — Greenway/Upper Kirby 3120 Southwest Freeway, Suite 350 Houston, TX 77098 Open 24 hours daily Call [(713) 364-1466](tel:+17133641466) [Directions](https://www.google.com/maps/dir/?api=1&destination=Attorney%20Brian%20White%20Personal%20Injury%20Lawyers%2C%203120%20Southwest%20Freeway%2C%20Suite%20350%2C%20Houston%2C%20TX%2077098) Houston — East Freeway 11811 East Freeway, Suite 630-06 Houston, TX 77029 Open 24 hours daily Call [(713) 609-1893](tel:+17136091893) [Directions](https://www.google.com/maps/dir/?api=1&destination=Attorney%20Brian%20White%20Personal%20Injury%20Lawyers%2C%2011811%20East%20Freeway%2C%20Suite%20630-06%2C%20Houston%2C%20TX%2077029) Houston — South Loop 2600 South Loop West, Suite 293 Houston, TX 77054 Open 24 hours daily Call [(713) 281-4904](tel:+17132814904) [Directions](https://www.google.com/maps/dir/?api=1&destination=Attorney%20Brian%20White%20Personal%20Injury%20Lawyers%2C%202600%20South%20Loop%20West%2C%20Suite%20293%2C%20Houston%2C%20TX%2077054) Houston — Katy Freeway 11511 Katy Fwy, Suite 515 Houston, TX 77079 Open 24 hours daily Call [(713) 909-7537](tel:+17139097537) [Directions](https://www.google.com/maps/dir/?api=1&destination=Attorney%20Brian%20White%20Personal%20Injury%20Lawyers%2C%2011511%20Katy%20Fwy%2C%20Suite%20515%2C%20Houston%2C%20TX%2077079) Houston — Clear Lake 1300 Bay Area Blvd, Suite B268 Houston, TX 77058 By appointment only Call [(936) 508-2854](tel:+19365082854) [Directions](https://www.google.com/maps/dir/?api=1&destination=Attorney%20Brian%20White%20Personal%20Injury%20Lawyers%2C%201300%20Bay%20Area%20Blvd%2C%20Suite%20B268%2C%20Houston%2C%20TX%2077058) The Woodlands 1776 Woodstead Ct, Ste. 203 The Woodlands, TX 77380 By appointment only Call [(281) 843-9777](tel:+12818439777) [Directions](https://www.google.com/maps/dir/?api=1&destination=Attorney%20Brian%20White%20Personal%20Injury%20Lawyers%2C%201776%20Woodstead%20Ct%2C%20Ste.%20203%2C%20The%20Woodlands%2C%20TX%2077380) --- ### About the Author ![About the Author](https://attorneybrianwhite.com/wp-content/uploads/2025/09/About-the-Author-241x300.png) [Attorney Brian White](https://attorneybrianwhite.com/about/our-attorneys/brian-white/) is the founding partner of Attorney Brian White Personal Injury Lawyers in [Houston](https://www.houstontx.gov/), [TX](https://www.texas.gov/). A graduate of [Texas A&M University](https://www.tamu.edu/index.html) and [South Texas College of Law](https://www.stcl.edu/), he is [Board Certified](https://attorneybrianwhite.com/resources/brian-white-is-board-certified-in-personal-injury-trial-law/) in Personal Injury Trial Law — a distinction held by only a small percentage of Texas attorneys, with years of experience handling a wide range of personal injury cases, including [car accidents](https://attorneybrianwhite.com/houston-tx/car-accident-lawyer/), truck accidents, [maritime injuries](https://attorneybrianwhite.com/houston-tx/maritime-injury-lawyer/), [wrongful death](https://attorneybrianwhite.com/houston-tx/wrongful-death-lawyer/), and [more](https://attorneybrianwhite.com/practice-areas/). He is dedicated to thorough preparation, strong advocacy, and helping accident victims secure the compensation they deserve. 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The [![Blind Spot 18-Wheeler Truck Accidents: Why They Happen and How to Avoid Them](https://attorneybrianwhite.com/wp-content/uploads/2021/06/Blind-Spot-18-Wheeler-Truck-Accidents-Why-They-Happen-and-How-to-Avoid-Them-300x189.jpg)](https://attorneybrianwhite.com/blog/blind-spot-18-wheeler-truck-accidents/) [Blind Spot 18-Wheeler Truck Accidents](https://attorneybrianwhite.com/blog/blind-spot-18-wheeler-truck-accidents/) Commercial truck drivers must meet many qualifications for a commercial driver’s license in Texas. Candidates must [![Types of Commercial Driver's Licenses in Texas](https://attorneybrianwhite.com/wp-content/uploads/2022/08/Types-of-Commercial-Drivers-Licenses-in-Texas-1-300x200.jpg)](https://attorneybrianwhite.com/blog/types-of-commercial-drivers-licenses-in-texas/) [Types of Commercial Driver's Licenses in Texas](https://attorneybrianwhite.com/blog/types-of-commercial-drivers-licenses-in-texas/) A commercial driver’s license (CDL) allows an individual to operate a commercial motor vehicle. Federal law gives [![A truck driver driving within hours-of-service rules.](https://attorneybrianwhite.com/wp-content/uploads/2026/09/A-truck-driver-driving-within-hours-of-service-rules-300x200.png)](https://attorneybrianwhite.com/blog/what-are-truck-driver-hours-of-service-rules/) [How Do Truck Driver Hours-of-Service Rules Affect Accident Cases?](https://attorneybrianwhite.com/blog/what-are-truck-driver-hours-of-service-rules/) Every year, fatigued truck drivers cause thousands of serious crashes on American highways. Many of these accidents --- Source: https://attorneybrianwhite.com/faqs/how-much-do-trucks-weigh/