As a leading Dropside Trailer Manufacturer, we specialize in designing robust, multi-functional transport solutions tailored to meet the dynamic demands of modern logistics. Our trailers feature a durable drop-side panel structure crafted from high-grade steel, enabling quick lateral loading and unloading of bulk cargo such as construction materials, agricultural products, and industrial equipment. The side panels can be easily lowered or removed, transforming the trailer into an open-top platform for oversized items, while reinforced corner posts and heavy-duty locking mechanisms ensure maximum security during transit.
Built with a focus on strength and adaptability, our 40FT drop side trailers incorporate a reinforced chassis with a low center of gravity to enhance stability, even when fully loaded. The trailers are engineered to support payloads up to 30-40 tons, depending on configuration, and are compatible with standard truck tractor units for seamless integration into existing fleets. Optional features include adjustable height settings, corrugated or smooth side panels, and corrosion-resistant coatings to withstand harsh environments.
With a commitment to quality, every trailer undergoes rigorous testing and adheres to international safety standards, ensuring reliability and longevity. Our manufacturing process combines advanced automation with skilled craftsmanship, delivering precision-engineered trailers that optimize operational efficiency, reduce turnaround times, and minimize maintenance costs. Whether for regional distribution or long-haul transportation, our 40FT drop side trailers empower businesses to streamline cargo handling and maximize productivity.
Partner with us to elevate your logistics capabilities with customizable, high-performance trailers designed to drive your success.
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Trailer Parameters |
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| Length | 12,400mm |
| Width | 2,500mm |
| Drop Side Height | 800mm |
| Kingpin location | 1,550mm from the front face of the front bolster |
| Axle spacer | 7650mm+1,310mm+1,310mm |
| Payload | 40,000kg |
| Tare weight | Approx. 7,500kg |
| G.V.W.R. | Approx. 47,500kg |
| Main beam | Material Q345B. Fabricated “H” beam height 500mm, Top flange thickness 14mm, Middle web thickness 8mm, Bottom flange thickness 16mm |
| Side beam | 16# channel steel |
| Platform | 3 mm thick chequer plate with supporting channel |
| Crossbeam | 10# channel steel |
| Kingpin | 2” SAE Kingpin, bolted in type |
| Twist lock | Not included, can be optioned |
| Welding standard | All welding is to be done by a qualified welder per the applicable national standard. |
| Painting | Shot blast at Standard SA 2.5 before application of primer, water paint top coat. Total DFT not less than 80um |
| Suspension | Standard mechanical suspension 10 pcs leaf spring 13mmx90mm |
| Axle | Mingyue brand axles, 3pcs*13ton capacity |
| Brake system | Dual line pneumatic brake, SAE hose, and connector |
| Brake chamber | 6 units T30/30 spring brake chambers |
| Air tank | 40L, 2 pcs, China |
| Emergency relay valve | WABCO relay valve |
| Tire | Linglong brand 12R22.5, 12 pcs |
| Rim | 9.00-22.5 steel disc wheel, 10 holes ISO,12 pcs. China |
| Landing gear | 28T two-speed telescopic manual landing gear |
| Voltage | 24 Volt |
| Receptacle | 7-way socket SAE standard, China |
| Lamp | WANAN brand LED |
| Mudguard | Steel mudguard |
| Spare wheel carriers | 1 pcs |
| Toolbox | 1 pc |
OUR FACTORY
SINOHENG Trailer Factory is an enterprise specializing in the production and sales of trailers, dedicated to providing customers with high-quality and high-performance trailer products. We use high-strength steel and optimized design to ensure that the products maintain high load-bearing capacity while being lightweight, meeting customers’ dual demands for transportation efficiency and cost control.
Our products are not only popular across the country but also exported in bulk to over 30 countries and regions in Southeast Asia, Africa, the Middle East, South America, etc., earning the trust of customers worldwide. Moreover, we offer comprehensive after-sales service to ensure you have no worries. Choosing SINOHENG means choosing quality, choosing professionalism, and choosing peace of mind.
