Sep. 08, 2025
Have you ever seen a trailer carrying 150 tons or more? Have you ever considered how to transport large machinery, excavators, or cranes from one location to another? Would you like to learn more about a trailer that can transport such a heavy load?
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In this guide, you'll learn about the types of low bed trailers, how to choose the best low bed trailer for your business, and more.
Lowboy semi-trailers are usually used to transport various mechanical equipment, heavy equipment, road construction equipment, large tanks, power station equipment, and other heavy goods. Such as tractors, buses, special vehicles, etc., as well as rail vehicles, mining machinery, forestry machinery, and agricultural machinery (excavators, loaders, pavers, cranes, etc.).
Compared with the container flatbed semi-trailer, it has a lower center of gravity, better stability, and safety, so it has a better ability to pass overhead obstacles when transporting tall cargo.
There are three types of lowboy semi-trailers: flat, gooseneck, and recessed beam.
A common low bed semi trailer has a flatbed, ie the pallet is flatbed.
Trailers are used to transport general heavy cargo. It can't haul high-height cargo like other trailers. Due to the flatbed type, this type of trailer has a higher working platform than other low bed trailers.
The location of the working platform explains its limitations in transporting high-altitude cargo.
One of the benefits of using a regular low-bed trailer is that it is cost-effective. Trailers are cheaper than other heavy-duty trailers. Another advantage is the longer cargo platform. The lower half of the regular low bed trailer can be used as a cargo hold.
The plane of the cargo compartment is concave with the lowest load-bearing plane. It is usually suitable for transporting large or tall equipment.
The main advantage of a low loader trailer is high stability. The stair structure lowers the height of the cargo center, which improves stability during transportation. Trailers are often used to move heavy equipment and cargo at high heights. It is best suited for countries with strict height restrictions.
The RGN trailer has the same stair structure as the low loader trailer in the actual part. The main difference between these trailers is that the gooseneck can be removed. RGN trailers are used to transport heavy equipment and machinery. Heavy cargo is loaded from the rear when using a normal low chassis trailer. However, when using an RGN trailer, cargo is loaded from the front.
It is safer to load heavy loads from the front than from the rear or from the side.
Regular low bed trailers, RGN trailers, and low loader trailers have their pros and cons.
Choosing the right lowboy trailer is important because your cargo is safe. You want your shipments to always arrive at their destination in good condition. Any accident and damage on the road will result in huge losses.
Since lowboy trailers carry heavy and expensive cargo, any damage can have a huge impact on your business profits. If you run a trucking company, accidents and damage will ruin your business reputation.
Below are the main factors to consider when choosing the right model.
Always start the buying process with your budget in mind. Prices for low bed trailers vary based on their load capacity and performance.
If you're looking for a trailer that hauls heavy loads at the lowest possible cost, then a regular lowbed semi trailer is the way to go.
When choosing a trailer model, it is important to consider the size of the cargo. Consider width and height, especially if your country has height restrictions on transport vehicles.
If your cargo height is too high, choose a low loader, RGN trailer. These models allow you to lower the rear and lower the overall height of the cargo.
The correct model will depend on the maximum weight of your cargo. If you plan to transport more than 70 tons, consider purchasing a low loader, RGN trailer. Both models have high carrying capacity and can transport heavy cargo.
Loading heavy cargo on a trailer is often a challenge for many businesses. However, the process can be easier if you choose the right model. Loading heavy and bulky cargo on a trailer without a drop deck is a hassle.
Not only do you need a stair structure to lower the height of your cargo, but you also need to make loading easy. Trailers have different loading procedures.
While RGN lowboy trailers and lowbed loader trailers are good for loading heavy loads, if you have lifting equipment, a regular trailer is probably best. Most low-rider trailers are loaded from the front or rear.
1.11 years of history, integration of industry and trade, own factory, the price has certain flexibility under the same configuration.
2. Advanced technology, as well as hardware facilities, new workshops, production lines, and the development of soft power are all used in trailer technology.
3. BV certification, ISO, 3C, WMI certification, quality assurance.
4. Models can be designed according to customer suggestions and do our best to meet customer requirements.
What is the inclination direction of the low bed semi-trailer? The low-bed semi trailer is a commonly used semi-trailer, but the driving of the low-bed semi-trailer still needs to pay attention to many problems. Let's talk about how the low-bed semi-trailer tilts.
1. The vehicle deviation is mainly due to the different distances between the center of the traction pin and the corresponding points on both sides of the axle (three points are not isosceles triangles). If the deviation is not aligned, it may cause abnormal tire wear.
2. Detection and adjustment methods:
1) Park the low bed trailer on a level road without braking.
2) Take a point on the inner surface of the front hub of the front axle, and take a point on the left and right sides, and the positions are symmetrical.
3) Based on the center of the traction pin, measure the distance to the above two points, and the requirement is "L1-L2 3mm. If the deviation is not normal, adjust the front axle live pull rod until it meets the deviation requirements.
4) Before measurement, check the measurement value at the corresponding point of the rear axle hub, which requires 2m. If it exceeds the tolerance, adjust the rear axle to drive the tie rod to make the front and rear axles parallel until the deviation meets the requirements.
5) Tighten the fastening bolts on the front and rear tie rods.
6) After adjustment, drive a low-bed trailer for about one kilometer, park at the same place without braking, and check the above dimensions. If there are no changes, the adjustment is successful.
7) The adjustment process should make the tie rod in a working state, that is, once the tie rod rotates, the vehicle bearing moves, and the adjustment of the tie rod is normal.
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One of the factors to consider when purchasing a heavy-duty vehicle is the suspension system used in the vehicle. A semi-trailer’s suspension system determines its load capacity, maintenance needs, cost and stability.
The suspension system also affects the comfort and safety of the driver, especially when driving over rough terrain. The functionality and reliability of suspension systems vary by make or model.
Therefore, owners should consider installing a suspension system from a brand with high quality standards to avoid occasional failures.
The most common types of suspension systems found in semi-trailers include mechanical suspension, air suspension, rigid suspension and bogie. Each has its own unique advantages and disadvantages.
Suspension systems also differ in their components and design. Most trailer manufacturers consider the end use of the trailer when installing the suspension.
For example, a semi-trailer used for heavy loads has a suspension system with a high load capacity. In addition, the manufacturer can customize the suspension system to meet the owner’s specifications based on the intended use. The benefits of each suspension system are outlined below.
For more detailed information on low bed trailers and suspensions. Please read on.
Mechanical suspension systems have a number of advantages, including:
Improved ride comfort: Mechanical suspensions can provide better ride comfort by absorbing road shocks and vibrations, which can lead to a smoother ride for passengers.
Increased stability: Mechanical suspensions can improve the stability of vehicles, particularly when driving on uneven or bumpy roads. This can lead to better handling and reduced risk of accidents.
Reduced wear and tear: By absorbing shocks and vibrations, mechanical suspensions can help reduce wear and tear on other parts of the vehicle, such as tires, wheels, and chassis components.
Increased durability: Mechanical suspensions are generally more durable than other types of suspensions, such as air suspensions, because they have fewer components and are less prone to leaks and other issues.
Lower cost: Mechanical suspensions are generally less expensive than other types of suspensions, such as air suspensions, which can be important for cost-conscious consumers or businesses.
Mechanical Suspension For Vehicle
Air suspension is a more advanced suspension system that uses compressed air to support the trailer’s weight. It consists of air bags mounted between the trailer frame and the axles. The benefits of air suspension include:
Improved ride quality: Air suspension provides a smoother ride than leaf spring suspension, reducing the risk of damage to the cargo.
Reduced vibration: Air suspension absorbs more vibrations than leaf spring suspension, providing a more stable ride for the cargo.
Adjustable ride height: Air suspension allows the trailer’s ride height to be adjusted, which can be useful when loading and unloading heavy equipment.
Improved fuel efficiency: Air suspension can improve fuel efficiency by reducing the weight of the trailer and improving aerodynamics.
Heavy Duty Leaf Spring Type Air Suspension
Rigid suspension is a type of suspension system used in automobiles, motorcycles, and other vehicles. The advantages of rigid suspension include:
Better handling: Rigid suspension systems provide better handling and stability to the vehicle. They are less prone to body roll and other movements that can affect the vehicle’s performance.
Improved safety: Rigid suspension systems offer better safety than other types of suspension systems. They provide better stability and control, which can reduce the risk of accidents.
Low maintenance: Rigid suspension systems are simple in design and require less maintenance than other types of suspension systems. This can reduce the cost of ownership over the long term.
Enhanced performance: Rigid suspension systems can enhance the performance of a vehicle, especially in high-speed situations. They provide better stability and control, which can improve acceleration, braking, and cornering.
Longer lifespan: Rigid suspension systems are typically more durable than other types of suspension systems. They are less prone to wear and tear, which can extend their lifespan.
Rigid Suspension For Three Axle Trailer
Bogie
Bogie refers to a type of suspension system commonly used in heavy-duty vehicles, such as trucks, buses, and trains. Some advantages of bogie include:
Improved stability: Bogie offers better stability and control over the vehicle or train, especially at high speeds. This is because it distributes the weight of the vehicle more evenly across multiple axles, reducing the risk of tipping or swaying.
Increased load capacity: Bogie allows for a higher load capacity compared to other types of suspension systems. This is because it can support more weight on each axle, without compromising the vehicle’s stability.
Reduced vibration and noise: Bogie can help reduce vibrations and noise caused by uneven road surfaces or tracks. This is because it can absorb shocks and distribute them evenly across all the axles.
Improved maneuverability: Bogie can help improve the maneuverability of vehicles, especially those with a large turning radius. This is because it allows each wheel to move independently, which can help reduce the turning radius and make it easier to navigate through tight spaces.
High Mounting-Disc Wheel Bogies Series
Every suspension system has its advantages and disadvantages. The correct choice of suspension system depends on a variety of factors, including the type of cargo loaded on the semi-trailer and the most commonly used terrain.
The choice also depends on factors such as the maximum weight of the load, weight variation, the level of stability required and the frequency of cornering.
Therefore, drivers must consider the trailer’s purpose and operating hours when purchasing a semi-trailer. A suspension that is too light will cause impact damage and too stiff will cause fatigue.
The approach should be to obtain a suspension system that will keep the trailer and cargo stable and make the driver comfortable in all types of terrain.
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