SIASUN G-40X (G-40X)

Many factories have automated almost every metre inside their halls, yet the open yard between press shop, assembly and warehouse still depends on a driver, a tractor and someone on foot to couple the trailer. The SIASUN G-40X (G-40X) is built for that stretch of tarmac. It is a heavy-load towing mobile robot that collects a loaded cart, tows it across the site and leaves it at its destination, coupling and uncoupling without anyone stepping between the vehicles. Indoor automation and outdoor transport, usually managed as two separate worlds, can then be planned as one continuous material flow.

Robots Europa, based in Dublin, supplies the SIASUN G-40X to manufacturers and logistics operators across the European Union and the DACH region. We prepare the quotation, coordinate delivery to your site and remain your point of contact for technical questions and after-sales support, so that a project involving outdoor heavy transport has one responsible partner in Europe.

Background

SIASUN and its robotics lineage

SIASUN is a Chinese robotics and automation manufacturer whose portfolio spans industrial robots, mobile robots and complete factory logistics systems. Its mobile robot range covers several transport principles, from under-ride lifting robots that slide beneath racks indoors to towing vehicles for long routes across a site. The G-40X sits at the heavy end of this range and is intended for plant-level transport, where loads move between buildings rather than between workstations.

Positioning: heavy towing with automatic hitching

The G-40X is a towing robot rather than a carrier: it does not lift the load onto itself but pulls a separate load cart. SIASUN describes it as a solution for plant-level heavy, efficient and flexible material transfer in automotive, lithium battery and 3C electronics manufacturing. Its distinguishing technology is SIASUN's patented automatic hitch and unhitch system, which lets the tractor and the load cart dock and separate without staff. Combined with multi-sensor fusion navigation designed for complex outdoor environments, this places the G-40X between conventional manned tractors and indoor automated guided vehicles.

Technical Specifications

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

The manufacturer has not published the dimensions, the vehicle weight, the battery type and capacity, the charging method, the positioning accuracy, the turning radius, the IP rating, the operating temperature range or the scope of delivery; these are confirmed at quotation.

How does the G-40X couple and uncouple without an operator?

In a conventional towing operation, the most hazardous moment is not the journey but the coupling: a person has to stand between tractor and trailer, align the hitch and secure it. The G-40X removes that step. SIASUN's patented automatic hitch and unhitch technology allows the tractor to dock with the load cart and separate from it without staff, so the robot can approach a waiting cart, couple, tow it to its destination and release it as one unattended sequence.

For operations planning, this changes what a towing robot can do. A vehicle that still needs a person at each end of its route saves driving time but not staffing. A vehicle that couples on its own can serve pick-up and drop-off points that are not permanently manned, and it can work through shifts when the yard is quiet. Together with the rated towing weight of 40000 kg, the hydraulic power-assisted service brake and the rear-wheel drive, the automatic hitch is what makes the G-40X a self-contained heavy transport link rather than a driverless tractor that still waits for help.

Why does the G-40X combine so many positioning sources?

Outdoors, no single sensor is reliable all the time. Satellite signals weaken close to tall buildings and under canopies, lidar sees structures but can be confused by open spaces with few landmarks, and vision depends on light and weather. The G-40X therefore fuses 3D lidar, satellite navigation, inertial navigation and vision sensing, and it positions itself using 3D SLAM combined with an IMU and RTK. Each source covers the weaknesses of the others, which supports precise localisation and intelligent path planning in changing, complex outdoor surroundings.

This sensor fusion also underpins the claim of 7*24H, all-weather operation. Safety functions complete the picture: remote monitoring, sensor self-check, fault alarms and protection against abnormal operation mean that the robot checks its own condition and reports problems, instead of continuing when something is wrong. Communication between vehicles enables coordination of several robots, and integration with management software links the fleet to the wider logistics process.

Who is the SIASUN G-40X for?

The G-40X is aimed at manufacturers whose heavy material flows leave the building. Automotive plants that move body parts, components or finished assemblies between halls, lithium battery producers that transfer heavy material between production and storage, and 3C electronics manufacturers with large sites are the industries SIASUN itself names. Common to all of them is a need for repeatable, heavy transport over outdoor routes that currently relies on manned tractors.

A second group comprises logistics and site operations managers who want to run transport around the clock. Because the robot couples automatically and is designed for continuous all-weather operation, it suits operations where night shifts or weekend production would otherwise need drivers who are hard to recruit.

Not every site needs a robot at this end of the range. Buyers whose transport stays indoors or involves lifting racks rather than towing carts can compare under-ride lifting robots such as the SIASUN P-T1000D or the SIASUN 2000 Kg Under-ride Lift Mobile Robot (P-T2000D). Other G-series models, including the SIASUN G-20-30X, carry their own figures on their pages, and the full range is gathered in the Mobile Robots category. Robots Europa is glad to help you match your load profile and routes to the right model.

What is the SIASUN G-40X used for?

1. Automotive inter-hall transport: towing heavy component carts between press shop, body shop and assembly across the open yard.
2. Lithium battery logistics: moving heavy material and products between production buildings and storage areas.
3. 3C electronics plants: linking separate production and warehouse buildings on large manufacturing campuses.
4. Warehouse-to-workshop shuttles: collecting loaded carts at storage and delivering them to the line without a driver.
5. Round-the-clock operation: keeping heavy outdoor transport running through night shifts and in changing weather.
6. Coordinated fleets: operating several vehicles together, integrated with the site's management software.

Pricing and Availability

The SIASUN G-40X is supplied on a quotation basis, because the configuration depends on your routes, load carts, site conditions and the software environment the robot is to join. Send us a description of your application and Robots Europa will prepare a quotation that reflects your project. Delivery, customs clearance and support are arranged together with the quotation. You can start your request for the SIASUN G-40X using the enquiry form available on this page.

Frequently Asked Questions

What is the rated towing weight of the G-40X?

The rated towing weight is 40000 kg. The travel speed is 2.2 m/s.

Can the G-40X operate outdoors?

Yes. It combines 3D lidar, satellite navigation, inertial navigation and vision sensing for positioning and path planning in complex outdoor environments, and it is designed for all-weather operation.

Does someone need to couple the load cart?

No. SIASUN's patented automatic hitch and unhitch technology allows the tractor and the load cart to dock and separate without staff.

How does the robot determine its position?

It uses multi-sensor fusion navigation, positioning with 3D SLAM combined with an IMU and RTK.

Which safety functions does the G-40X provide?

It offers remote monitoring, sensor self-check, fault alarms and protection against abnormal operation. Braking is hydraulic power-assisted.

What battery and charging method does it use?

The manufacturer has not published the battery type, capacity or charging method. Robots Europa confirms these details with the quotation.

Where can I buy the SIASUN G-40X and what does it cost?

You can buy the SIASUN G-40X from Robots Europa, which supplies it across the EU and the DACH region. The price depends on configuration and project scope and is provided in a personal quotation.

Summary

The yard between buildings is often the last part of a factory still run by hand, and the SIASUN G-40X is designed to close that gap. It tows loads up to its rated 40000 kg, finds its way outdoors through fused lidar, satellite, inertial and vision sensing, and couples and uncouples its load cart without anyone standing in between. Safety monitoring, fleet coordination and management software integration let it become part of a continuous, round-the-clock material flow rather than an isolated vehicle. If your heavy transport leaves the hall and you want it to run as reliably as your lines inside, this page is the starting point.