Last year, semi-trailers shipped $700.4 billion of merchandise in the United States. The estimated weight of these products is 10,000 tons. Most American homes rely on semi-trailers to deliver goods at supermarket booths. Many industries expect their products to be distributed nationwide. However, the trailers are not only used to transport essential goods and services. There are also other special features. Let's check the use of the semi-trailer and Semi-Trailers for Sale Near Me.
What is a semi-trailer?
As the name implies, the semi-trailer is a combination of a semi-trailer and a box-trailer. The semi-truck acts as a power unit, but the trailer box does not have a motor. The truck has a stud. This is where the trailer box coupling is installed. The kingpin controls the steering of the trailer box. The advantage of the trailer box is the absence of a front axle. Instead, there is a fifth semi-truck wheel to support the front weights. When removed from the semi-trailer, the trailer box has legs that can be used on its own.
Typical dimensions for American semi-trailers are 48 to 65 feet long, 8.5 feet wide, and 13.5 feet high. The maximum weight allowed it can carry is 80,000 lbs. However, there may be different restrictions on these dimensions from state to state.
What is the type of semi-trailer?
There are different types of trailers. The type depends on the load capacity and usage. Below are the most common types of trailers.
The dry truck is a semi-trailer with a closed trailer box. They are the most common shipping containers. They are commonly used to carry band equipment and instruments. Please note that the dry truck semi-trailer has no temperature control. Therefore, it is not suitable for transporting fresh food. However, the dry truck semi-trailer is weatherproof. These packs keep the material dry from the elements.
Flatbeds are the most common type of semi-trailer. They have an open bed and frame with pockets and rails. It can be set in several groups and lengths. Flatbed trailers are approximately 48-53 feet long. All sides of the flatbed semi-trailer are open. It is designed for hoist lifting and forklift side loads. It is ideal for carrying wood and steel coils.
The Lowboy is a semi-trailer with two shocks on the deck. The first is behind the neck of the goose and the second is in front of the wheel. The Lowboy semi-trailer is designed to carry heavy construction materials and oversized equipment.
Trailer power only
The powered-only trailer is an adjustable fifth-wheel semi-trailer. They are used in towing services. The fifth wheel helps match the truck to the dimensions and specifications of the towed vehicle.
The radiator is a semi-trailer with a closed trailer box with temperature control. Also called refrigerated semi-trailers. They are technically dry van semi-trailers with a cooling system. These cooling systems are ideal for transporting fresh foods such as frozen foods and medicines.
Step on deck
The stepped deck is a semi-trailer with an open bed and a flatbed-like frame. The main difference between them is that the load height of a semi-trailer with a rolling top cannot exceed 10 feet. They are designed to hold items that cannot be carried in flats due to size limitations. Stepped deck semi-trailers are commonly used to transport construction materials and large equipment.