SIASUN G-20-30X (G-20-30X)

In a railway marshalling yard, the heaviest work is done by shunting locomotives that never leave the site: they collect wagons, draw them to where they are needed and leave them there for the next stage. Most industrial campuses have exactly the same need but no rails, so the job falls to tractors, drivers and a good deal of waiting. The SIASUN G-20-30X (G-20-30X) applies the shunting principle to the roads between buildings. It is a driverless campus delivery robot for heavy-load towing that couples to its load trailer unaided, tows it across open ground using fused perception and releases it at the destination, so that material keeps moving through the night and through changing weather without a person in the cab.

Robots Middle East sells the SIASUN G-20-30X and supplies it to manufacturing, industrial and logistics sites across the Middle East. Our team prepares each quotation around the buyer's site, towing requirement and software environment, arranges delivery and customs clearance, and remains the point of contact for technical support once the robot is in service.

Background

SIASUN and its robotics heritage

SIASUN is a Chinese robotics and automation manufacturer based in Shenyang, with its origins in the research community of the Chinese Academy of Sciences. Over the years the company has built a broad portfolio that covers industrial robots, mobile robots and complete automation systems for factories and logistics operations. Its mobile robot family ranges from compact units that work under racks and carts indoors to large outdoor tractors such as the G-20-30X. Buyers can see how the model fits within that family on the Mobile Robots category page.

Heavy towing outside the factory walls

Indoor mobile robots work in a controlled world of smooth floors, constant lighting and fixed racking. The G-20-30X is aimed at the opposite environment: the roads, yards and open spaces of an industrial park, where conditions change by the hour. Two elements define its position. The first is navigation that does not depend on a single sensor, combining 3D lidar, satellite navigation, inertial navigation and vision sensing. The second is SIASUN's patented automatic hitch and unhitch technology, which allows the tractor and the load trailer to couple and separate without anyone on hand. Together they turn a manned towing task into a repeatable, schedulable transport service.

Technical Specifications

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

SIASUN has not published the dimensions, vehicle weight, battery capacity, battery type, runtime, charging method, IP rating, operating temperature, turning radius, the specific safety sensors or the contents of the delivery; these are confirmed with the quotation.

How does the SIASUN G-20-30X find its way outdoors?

Outdoor sites defeat simple navigation methods. Painted lines fade, magnetic tape cannot be laid across public-style roads, and reflectors are easily knocked or obscured. The G-20-30X instead relies on multi-sensor fusion. Its positioning combines 3D-SLAM, which builds and matches a three-dimensional map of the surroundings from lidar data, with an IMU that tracks the vehicle's own motion and RTK, which refines satellite positioning. Vision sensing adds a further layer of perception.

The value of this combination lies in redundancy. Where buildings or canopies weaken satellite reception, the lidar map and inertial data carry the position; where open yards offer few features for the lidar to recognise, satellite positioning fills the gap. SIASUN states that this fusion delivers precise positioning and intelligent path planning in complex, changing outdoor environments, which is precisely what an industrial campus presents from one shift to the next.

What does automatic hitching change for a towing operation?

A conventional tug or tractor still needs a person at each end of the journey: someone to reverse up to the trailer, connect the drawbar, and later disconnect it. On a busy site, those moments create queues and expose staff to moving heavy equipment. With SIASUN's patented automatic hitch and unhitch technology, the G-20-30X docks with and separates from its load trailer unmanned. Trailers can therefore be loaded independently of the tractor, staged at a dock and collected when the schedule calls for them, while the tractor moves straight on to its next task.

That decoupling of tractor and trailer is what makes the model suitable for continuous operation. SIASUN describes the robot as capable of 7*24H, all-weather running with fast, flexible and scalable deployment. Remote monitoring, sensor self-check, abnormal alarms and protection against abnormal operation support that continuity, while communication-based vehicle coordination and integration with management software allow several vehicles to work as a coordinated fleet rather than as isolated machines. Hydraulic power-assisted braking and rear-wheel drive complete a drivetrain designed for heavy towed loads.

Who is the SIASUN G-20-30X for?

The G-20-30X suits organisations that move very heavy loads between separate buildings or zones on a single site. Large manufacturing campuses are an obvious example: heavy components, assemblies or materials must travel from production halls to finishing areas, warehouses or dispatch, frequently and on a fixed rhythm. Logistics parks and distribution complexes with yard traffic between buildings are another, as are process industries whose material flow runs continuously and cannot pause between shifts.

It also suits operations managers who already plan logistics through software and want transport to become a controllable part of that plan rather than a dependence on driver availability. Sites wishing to raise utilisation by running shuttles through the night will find the round-the-clock design particularly relevant.

Where the loads in question are lighter, or where the work takes place inside a building rather than across a campus, another member of the SIASUN range may be the better fit. Buyers can compare the SIASUN G-5-6X (G-5-6X), the SIASUN G-8-15X (G-8-15X) and the SIASUN G-40X (G-40X), or browse the wider Logistics Robots category; Robots Middle East will advise on which model matches the loads and routes of a given site.

What is the SIASUN G-20-30X used for?

1. Inter-building transfers – towing heavy trailers between production halls, warehouses and dispatch areas on one campus.
2. Trailer shuttle services – collecting pre-loaded trailers from staging points and delivering them on schedule without a driver.
3. Heavy component logistics – moving large parts and assemblies between manufacturing stages across open ground.
4. Night and weekend operations – keeping material flowing outside staffed hours thanks to continuous, all-weather running.
5. Yard logistics in industrial parks – handling recurring trailer movements in yards where conditions and traffic change constantly.
6. Coordinated fleet transport – running several vehicles in concert, linked to management software to streamline the logistics process.

Pricing and Availability

The SIASUN G-20-30X is supplied on quotation, because the appropriate towing rating, trailer interface, site mapping and software integration differ from one installation to another. Robots Middle East reviews the routes, loads and operating hours of each site before preparing an offer, and confirms the open specifications against the current manufacturer datasheet. Delivery, customs clearance and after-sales support are arranged together with the quotation. To begin the process, please submit your requirements through the quotation request available on this page.

Frequently Asked Questions

What kind of robot is the SIASUN G-20-30X?

It is a campus delivery mobile robot for heavy-load towing: a driverless tractor that couples to load trailers and tows them across outdoor industrial sites.

What towing weight is the G-20-30X rated for?

SIASUN lists a rated towing weight of 20000/25000/30000 kg. The rating suited to your application is confirmed with the quotation.

How does it navigate without a driver?

It uses multi-sensor fusion navigation, combining 3D-SLAM, IMU and RTK positioning with 3D lidar, satellite navigation, inertial navigation and vision sensing for precise positioning and path planning outdoors.

Does someone need to connect the trailer?

No. SIASUN's patented automatic hitch and unhitch technology lets the tractor dock with and separate from the load trailer unmanned.

Can it work continuously and in poor weather?

SIASUN designs the G-20-30X for 7*24H, all-weather operation, supported by remote monitoring, sensor self-check, abnormal alarms and abnormal-operation protection.

Can it be integrated with our logistics software?

The robot coordinates with other vehicles through communication and integrates with management software. The exact integration path for your systems is clarified during quotation.

Where can I buy the SIASUN G-20-30X and what does it cost?

The G-20-30X is sold by Robots Middle East across the Middle East. Its cost depends on the configuration and site requirements, so it is provided in a tailored quotation requested on this page.

Summary

A shunting locomotive earns its place by doing one heavy, repetitive job reliably and without fuss. The SIASUN G-20-30X (G-20-30X) offers the same discipline to industrial campuses that have roads instead of rails: it finds its way through fused lidar, satellite, inertial and vision sensing, couples and uncouples its trailer without staff, and runs around the clock as part of a coordinated, software-managed fleet. For sites where heavy loads must cross open ground every hour of every day, Robots Middle East can configure, deliver and support the robot, and this page is the starting point.