SIASUN Heavy Payload Mobile Robot

In most factories and terminals, the heaviest objects on site are also the most reluctant to move. Press dies, truck chassis, shipping containers and energy storage units have long depended on overhead cranes, drag chains and teams of people working with great care. The SIASUN Heavy Payload Mobile Robot reverses that logic. The facility is no longer built around fixed lifting gear. The load rides on a robot that navigates the site on its own and carries oversized and ultra-heavy items from one station to the next. Across the range, SIASUN covers payloads from several tons to hundreds of tons, and both the robot body and its auxiliary mechanisms are built around the client's process.

Robots Europa, based in Dublin, supplies the SIASUN Heavy Payload Mobile Robot to customers throughout the European Union and the DACH region. Each robot is configured for its application, so Robots Europa works on the project from the first enquiry. We clarify the load, the route and the site conditions with you and coordinate the specification with SIASUN. We then prepare a quotation covering supply, delivery and after-sales support.

Background

SIASUN and its heavy payload lineage

SIASUN's experience with heavy autonomous transport predates the current wave of warehouse robots. Between 2010 and 2015, the company supplied more than 50 heavy payload mobile robots of various types to high-speed train maintenance bases across China, where they were used for frame repair. That programme established SIASUN as one of China's pioneers in heavy payload mobile robotics. In 2018 the company introduced mobile robots for heavy truck assembly lines. Since 2020 its heavy payload robots have been supplied in large batches to the world's largest transshipment hub ports. The line now serves construction machinery, automotive and parts manufacturing, metal processing, aircraft production, port logistics and energy storage.

Navigation as the core technology

Moving a very large mass safely depends as much on knowing where the robot is as on the strength of its chassis. SIASUN's heavy payload mobile robots can use several navigation methods: natural contour navigation, magnetic guidance, inertial navigation, laser guidance, visual navigation and base station navigation. SIASUN developed many of the navigation sensors in these systems itself. This breadth matters in practice. A stamping hall, a truck assembly line and an open container yard offer very different references for localisation. A choice of methods lets the navigation be matched to the site, so the site does not have to be rebuilt around the robot.

Technical Specifications

Specifications as published by the manufacturer; they are confirmed against the datasheet at quotation.

SIASUN has not published the dimensions, weight, travel speed, battery type and capacity, charging method, positioning accuracy, gradeability, IP rating, software and fleet management, what is included in the delivery, or the payload of the energy storage and outdoor versions; these are confirmed at quotation.

Which SIASUN heavy payload version suits which application?

SIASUN does not offer one fixed machine. It offers a family of robots, each shaped by the job it does, and the figures belong to the version that carries them.

The heavy truck assembly line mobile robot uses dual-vehicle linkage technology to replace traditional drag chains. Two robots work in coordination to support truck chassis and complete vehicles as they progress through assembly, with a payload capacity of 10-20 tons. For a plant that wants to rebalance or extend its line, this removes the fixed conveyor from the floor.

The port logistics (container) mobile robot automates the transfer of shipping containers. Each robot is designed to handle a payload of 65 tons, and it is this version that SIASUN has supplied in large batches to major transshipment hubs since 2020.

In stamping workshops, the robots carry piggyback and chain conveyor mechanisms. These move dies and metal sheets between workstations and presses, and some of these robots have a 60-ton carrying capacity for die transportation.

The energy storage mobile robot combines a waterproof design, outdoor operability and an ultra-low profile capable of handling heavy loads. The outdoor heavy payload mobile robot is engineered to withstand rain, snow and dust, which makes it the natural choice for yards and open-air sites.

How does a heavy payload mobile robot stay safe around people?

An autonomous vehicle carrying tens of tons demands a rigorous safety concept. SIASUN's designs follow ISO3691-4, the international standard for driverless industrial trucks and their systems, with safety levels engineered to PLD&E classifications. On the vehicle, this concept takes the form of emergency stops and safety-certified contact and non-contact protective devices. Operational indicator lights and audio alarms tell people nearby what the robot is doing. Brakes, stall protection and actuator safeguards protect the load and the machine itself. For a European operator, the risk assessment for the complete installation remains part of the project, and Robots Europa coordinates the relevant documentation with SIASUN as the specification is defined.

Who is the SIASUN Heavy Payload Mobile Robot for?

The robot is built for organisations whose loads are too large, too heavy or too frequent to handle sensibly with cranes and manual methods. Automotive and parts manufacturers, and truck builders in particular, form an obvious group, as do metal processing plants running presses with heavy dies. Construction machinery manufacturers and aircraft producers also belong here, since they move large assemblies between stations. Port and terminal operators looking to automate container transfer form a further segment, alongside energy storage businesses that need a low, weatherproof vehicle for heavy units outdoors.

Because the body and auxiliary mechanisms are customised, the robot suits buyers who can describe their process precisely: the load, its interfaces, the route and the environment. Readers who are comparing dedicated models will find the SIASUN 80T Heavy-Duty Mobile Robot and the SIASUN Four-Lift Automotive Assembly Mobile Robot on their own pages. The wider range is gathered in the SIASUN category.

What is the SIASUN Heavy Payload Mobile Robot used for?

1. Die transport in stamping workshops: moving dies and metal sheets between workstations and presses with piggyback and chain conveyor mechanisms.
2. Heavy truck assembly: carrying truck chassis and complete vehicles through assembly in place of traditional drag chains.
3. Container transfer in ports: automating the movement of shipping containers at transshipment hubs.
4. Energy storage logistics: handling heavy units with a waterproof, ultra-low-profile robot that operates outdoors.
5. Construction machinery and aircraft production: transporting oversized assemblies between stations without fixed lifting gear.
6. Rail vehicle maintenance: supporting frame repair at train maintenance bases, the application where SIASUN built its early experience.

Pricing and Availability

Every SIASUN Heavy Payload Mobile Robot is configured for its application, so Robots Europa prepares an individual quotation rather than publishing a standard offer. To scope the project, we ask for the load and its interfaces, the route and floor conditions, the operating environment and the navigation references available on site. Delivery, customs and support are arranged with the quotation. You can request a quotation from Robots Europa through the enquiry option available on this page.

Frequently Asked Questions

What payload can the SIASUN Heavy Payload Mobile Robot carry?

Across the line, payloads range from several tons to hundreds of tons. The heavy truck assembly line version handles 10-20 tons, the port container version is designed for 65 tons per robot, and some stamping workshop robots carry 60 tons for die transportation.

Which navigation methods does it use?

SIASUN uses natural contour navigation, magnetic guidance, inertial navigation, laser guidance, visual navigation and base station navigation, and many of the sensors involved are SIASUN's own developments. The method is chosen to suit the site.

Can the robot operate outdoors?

Yes. The outdoor heavy payload robots are engineered to withstand rain, snow and dust, and the energy storage version has a waterproof design with outdoor operability.

Which safety standard does it follow?

SIASUN's designs adhere to ISO3691-4, with safety levels engineered to PLD&E classifications. The equipment includes emergency stops, safety-certified protective devices, indicator lights, audio alarms, brakes, stall protection and actuator safeguards.

Can the robot be adapted to our process?

Yes. The robot body and its auxiliary mechanisms are customised to client requirements so that they fit the existing manufacturing process. Robots Europa coordinates these requirements with SIASUN.

Does SIASUN have experience with large deployments?

Between 2010 and 2015, SIASUN supplied more than 50 heavy payload mobile robots to high-speed train maintenance bases for frame repair. Since 2020, it has supplied large batches to the world's largest transshipment hub ports.

Where can I buy the SIASUN Heavy Payload Mobile Robot and what does it cost?

Robots Europa supplies the robot across the EU and the DACH region. The cost depends on the configuration, so it is set out in an individual quotation that you can request on this page.

Summary

Heavy loads have always dictated the layout of the plants that handle them, through crane runways, chain conveyors and fixed transfer lines. The SIASUN Heavy Payload Mobile Robot frees the load from that infrastructure. It travels on an autonomous vehicle that SIASUN offers in versions for truck assembly, container ports, stamping workshops, energy storage and outdoor duty. The robots offer six navigation methods and are built to ISO3691-4. The company's track record runs from train maintenance bases to the world's largest transshipment hubs. Since every unit is configured for its task, the conversation about your load and your site comes first, and for buyers in the EU and the DACH region who want to begin that conversation with Robots Europa, this page is the starting point.