How Much Do Semi-Trucks Weigh?

Updated: Jun 25

If you are wondering how much a semi-truck weighs, it really depends on several factors, such as weight differential, and the type of semi-truck. 1. Semi-trucks are able to haul up to 35,000 pounds. 2. Semi-trucks weigh upwards to 25,000 pounds. 3. 18 wheelers can legally weigh up to 80,000 pounds. What is the weight of a semi-truck?

The semi-tractor is the engine part of the vehicle and is usually considered the truck area. If you are wondering the weight of a semi-truck without a trailer/trailers connected, based on the type of truck, the weight could be anywhere from 15,000 pounds to 25,000 pounds. The trucks with larger sleeping areas, bigger fuel tanks, larger engines, and several gears will be the heaviest. Comparing this weight with the average weight of a car, weighing only 3,500 to 5,000 pounds, is eye-opening to the heaviness of semi-trailers. A semi-truck’s engine tends to weigh more than 6 times the average of a car’s engine weight. There are semi-truck engines that can weigh close to 3,500 pounds.

What is the weight of an 18 wheeler when hauling freight?

The weight for an 18 wheeler hauling freight can depend on the type of freight hauled and if it is a partial or full load. Typically, federal law allows 18 wheelers a top weight limit of 80,000 pounds, which is 40 tons. The Federal Highway Administration set this weight limit to avoid damaged streets, bridges, and it encompasses the truck, trailer, and load weight. Many times, specific licenses are issued to oversized or overweight freight loads.

What amount can a semi-truck haul?

The amount a semi-truck can haul depends on the type of semi-truck. Semi-trucks can be single and double axle. However, the law allows single axle semi-trucks to haul up to 20,000 pounds. Double axle semi-trucks are allowed to haul up to 34,000 pounds. Such weight limits include the freight truck and trailer weight, altogether.

Types of cargo carried by semi-trucks.

Below is a list of the types of cargo carried by semi-trucks. There are several varieties of semi-trucks for different types of cargo. For example, double-deck trailers tend to haul cars to commercial entities. Tankers tend to haul toxic liquids such as gas, chemicals, and petroleum. Flatbed trucks usually carry huge building and construction equipment.

1. Dry goods 2. Furniture 3. Motor vehicles 4. Ships/boats 5. Construction materials/equipment 6. Toxic gas/liquid solutions 7. Refrigerated goods What is a semi-truck's stopping distance?

As most are aware, due to larger size and weight, semi-trucks tend to take much time to stop than cars. It takes a normal car traveling at 65 miles per hour about 300 feet to stop. It takes a fully loaded semi-truck two times this amount of time. In terrible road conditions, such as rain, sleet, snow, and ice on the road, it takes semi-trucks even more time to stop. Due to semi-trucks’ large weight and size, they are much harder to steer than cars. As a result, to avoid car wrecks, it is vital that drivers NEVER cut in the path of semi-trucks and REGULARLY allow them the space they desire. What amount of semi-trucks drive in the United States? The US has a billion-dollar trucking industry since most goods in the country are delivered by semi-trucks. Roughly 2 million semi-tractors are in the US, and they drive more than 1 billion miles hauling goods each year. What leads to semi-truck wrecks? Several causes lead to semi-truck wrecks. Sometimes, other drivers on the highway can be the reason. It could also be driver fatigue, as semi-truck drivers are strained to meet rigid schedules and time constraints. Improper cargo loading also leads to semi-truck wrecks: Cargo loads without proper securing mechanisms slide and grow unstable. This can make it difficult to steer and causes rollover wrecks and jackknifes. Also, without proper securing mechanisms, the cargo will slide or fall from the trailer and onto the highway, causing wrecks. Cargo loads that are overweight are harder to stop and lead to fatal rear-end wrecks.


Overweight cargo also causes increased speeds downhill. Even more, tires can blow out due to overweight cargo loads, leading drivers to lose control and slam into other vehicles. Engine and mechanical problems can also stem from overweight loads, as too much strain is placed on the tractor-trailer.

Contact Us

Call a truck wreck attorney to assist with your case. To experience a wreck with a semi-truck is life-changing, and you may have extensive injuries and property damage. At the Bryant Law Firm, we are experienced in truck wreck claims and work tirelessly helping people whose lives have been altered by truck wrecks. Call our seasoned Alabama truck wreck law firm at (205)267-8561 for a free consultation.



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