Drop Side Trailer

Are you finding the trailer to transport the cargo? If so, you definitely need to drop side trailers. Because it will help you to improve the efficiency of transport and unloading, save time and increase your profits.

We can customize your drop side semi trailer to suit your needs, with regular models including 60 ton drop side trailers for sale, 40ft drop side trailers for sale, 40 ton side wall trailers for sale, and drawbar drop side trailers for sale.

Drop Side Trailer

Video of Drop Side Trailer

Testimonials & Customers Review

base on 286 vote


Hart Jean Yann from Mauritius

post on 2022.2.28

Their factory is very professional because I have 5 years of experience in using and operating drop side trailer. When I put forward my opinion, they made detailed drawings according to my requirements and told me the pros and cons of doing so. Then provide a reasonable plan. This kind of service makes me very satisfied.


Mario Falero from Uruguay

post on 2022.2.18

I think you are very professional when I choose the drop side semi trailer. Thank you for helping me choose this drop side trailer that suits me best. Now that I have received the tri axle side wall trailer, I hope I can make more money.


Fahad from Oman

post on 2022.2.6

If you need a drop side trailer, PANDA’s side wall trailer is highly recommended. They are more familiar with our country’s laws than I do and recommend suitable configurations.

Beginner's Guide

Table of Contents

1. How to choose drop side trailer?

  • 1. Transport: We need to determine whether a side wall trailer can do our job. You can tell us the goods you need to transport. We will provide you with professional advice.
  • 2. Local laws and regulations: whether the local country has a weight limit or a weight limit, we can consider using some skeletal chassis trailer with smaller cargo or aluminum alloy.
  • 3. Roads: How are the roads in your you streets? For many inexperienced people who may not know, if the country’s road conditions are not good, we need to make adjustments to ensure that the skeletal chassis trailer can work better. In this regard, PANDA Mech does a good job and can always provide some professional advice.
  • 4. Long-term use: Some customers tell us in the communication that the work may only last for a while, then we will relatively recommend the use of some cost-effective configuration; if some need to be used for a long time, we will relatively recommend some better quality configuration, to ensure that the container chassis trailer life longer.

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2. How to choose a drop side trailer manufacturer?

  • 1. Whether it is a factory or not: this is an essential criterion, there are many traders in China, but if we buy a gooseneck skeletal chassis trailer from a trader, it will cost us more, we suggest you choose to buy directly from the factory, PANDA Mech is a factory direct sales, there is no intermediary to earn the price difference.
  • 2. Years of establishment: a company’s years of establishment can side reflect the strength of the company, PANDA Mech has been established for more than 20 years, technology has been at the forefront of the world, every year will invest a lot of human and material resources in research and development to improve.
  • 3. Look at the company’s significant customers: a company with major customers is a more well-known company in the industry; it also means that this company is trusted by major customers and that this company is very worthy of cooperation.
  • 4. Product videos: if a company puts a lot of effort into its product videos, it also means that it is willing to put more effort into its products, which is a trustworthy company.
  • 5. Staff: When communicating with the business, whether the other party is professional, the business level of a company’s personnel, is also a side understanding of whether this company is professional, if this company can provide you with professional services and advice on your problems, then it must be suitable to choose them.

So when you buy side wall trailers in China, PANDA Mech is the best choice for you. Request a Quote⇒


3. What is the drop side trailer?

Drop side trailers as known as side wall tarilers. Side wall trailers comprises the loading, unloading, and travel systems, including axle, tire, suspension, kingpin, line, side fender, toolbox, lights, etc.

The vehicle body is high-quality steel, advanced technology, and strict production. The vehicle has a reasonable structure, reliable performance, easy operation, and a beautiful appearance.

side wall trailer
drop side trailers for sale

Side Wall Trailer is used to load a variety of products and materials, such as bags, poultry, sand, bulk groceries, etc., and some bulk goods, currently one of the widest semi trailers in the transportation industry.

(Commonly used with the cargo trailer: flatbed trailer, fence trailer)


3.1 What types of Panda drop side trailers do?

Panda side wall trailer includes 2 axle drop side trailer, 3 axle dropside trailers, 4 axles high side trailer, drawbar side wall trailer. The side wall trailer is generally at 30-100 tons, we will provide you with the right configuration according to your needs.


4. Applications

The loading capacity of a wall trailer is large, suitable for pulling bulky goods more for furniture and building materials transport flatbed truck loading capacity is relatively large, ideal for transporting bulky goods, many not super high light throw goods will also choose to use the side wall trailer car, because in price compared to the van and warehouse car, the cost of the wall trailer is the most affordable, pull more.


5. Sidewall trailer video & images

The video and pictures below provide a better understanding of the side wall trailer.

side wall trailer video
drop side trailer video
side wall truck trailer
side wall truck trailer for sale
side wall trailer
drop side truck trailer for sale – side wall trailer for sale
A double side wall trailer
drawbar side wall truck semi trailer manufacturer



Overall dimensions: 12500mm*2500mm*3200mm (1000mm sidewall)

Loading capacity: 30-100 ton semi-trailer sidewall

Number of axles: 3 axles 

Tyres: 8/12

Material: Q345B steel

Suspension: Heavy duty mechanical spring suspension

Undercarriage: 3mm thick square plate

Central pin: 90#

Gear: JOST

Brake system: Wilburco

Electrical system: 24V, LED light



side wall drop side trailer for sale drawing


What is the side wall trailer consisting of any part?

  • 1. Frame is the main load-bearing part, it is composed of main beam, side beam, cross beam, and diagonal brace.
  • 2. Side wall: sidewall is divided into a flat plate and vertical corrugated plate, generally it is removable, if we want to be more solid, we can also directly weld the sidewall to death.
  • 3. Dropside trailer main pin: traction pin is an important part of connecting tractor and drop-side trailers, connected to the traction seat through the main pin.
  • 4. Outriggers: sometimes, the sidewall is not needed to work, but the tractor has other uses, this time, you can lower the outriggers, the tractor can be left, outriggers are divided into single-action and linkage.
  • 5. Axles and tires, axles are connected to the suspension, most of the force during the driving process needs axles and tires to bear.
  • 6. Suspension system, generally divided into air suspension and mechanical suspension, the mechanical suspension is generally more commonly used, relatively low cost, his role is used to support and absorb driving vibration and other functions.
  • 7. Brakes, drop side trailer brakes are generally dual-line pneumatic braking systems and equipped with an ABS braking systems.
  • 8. Electrical system, the electrical system needs to comply with compatible international standards to ensure that there will be no problems in the use of.



  1. 1. PANDA sidewall trailer high strength and lightweight, 1-2% increase in payload, can be used in many applications
  2. 2. High strength steel, submerged arc welding, and two coats of paint for longer service life
  3. 3. Longer tire life thanks to well-known brands of axles and braking systems
  4. 4. More payload creates more profit
  5. 5. Optional ABS for increased safety


Packaging and shipping

Many customers will choose container transport when transporting, sidewall trailer is still more suitable for container transport, his transport cost is relatively low, compared to other roll-on roll-off and bulk transport, relatively speaking is more suitable.

In the process of transportation, very vulnerable to seawater corrosion, so we generally spray a layer of wax on top of the side wall trailer, Panda will then add a waterproof tarpaulin.

side wall semi trailer for sale
drop side semi trailer manufacturer



I. Further maintenance of the lubrication system

The primary function of the lubrication system is to effectively lubricate the various parts of the sidewall trailer engine to prevent excessive wear and tear. Under normal circumstances, the sidewall trailer needs to be cleaned and maintained once every 5,000km-10,000km, or earlier when the engine noise is too loud, acceleration is weak, and the water temperature is too high. Clean the internal engine sludge and other accumulations to avoid the oxidation of oil thickening at high temperatures, reduce the wear and tear of engine components, extend engine life and improve engine power.


2. The cooling system cleaning and maintenance

In general, sidewall trailers in the winter and summer season should be cleaned and maintained once every day, driving every six months to 8 months cleaning and maintenance, or in case of high water temperature, water leakage, open pot cleaning, and maintenance. Clear the traces and scale that lead to engine overheating, prevent harmful corrosion, avoid and stop the leakage of seals and water tanks, and thoroughly replace the old coolant.


3. The fuel system cleaning maintenance (i.e., cleaning nozzles, valve carbon)

Under normal circumstances, the sidewall trailer needs to be cleaned and maintained once every 800km-1000km, or earlier when you find that the engine shudders, lags, and accelerates badly, emits black smoke, is powerless, and costs fuel. Clear the gum and carbon inside the system, prevent harmful corrosion, avoid and stop the leakage of seals and water tanks, and thoroughly replace the old coolant.


4. The brake system cleaning and maintenance

The sidewall trailer should be cleaned and maintained once every 800km or once when the ABS response is too early or too slow. Clear the harmful oil and mud varnish system, remove the risk of failure when working at ultra-high or ultra-low temperatures, effectively prevent the brake fluid from deteriorating and expiring, and thoroughly replace the old brake fluid.


5. Cleaning and maintenance of the power steering system

The sidewall trailer needs to be cleaned and maintained once every 1000km-2000km. In case of steering difficulties system leakage, it must also be cleaned and kept after replacing the power steering parts. Clear the harmful sludge and varnish in the system, clear the steering difficulties at low temperatures, stop and prevent power steering fluid leakage, clear the steering noise, and completely replace the old brake steering fluid.


Contact Us

If you have sidewall trailer needs or encounter any sidewall trailer problems, you can contact us at any time. We will reply to you as soon as we receive it.


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