SIASUN Heavy-Load Mobile Robot (Heavy-load mobile robot)

A press die, a vehicle body fixture or a stack of steel components rarely moves through a factory without ceremony. A crane is booked, a forklift crew is called and the line waits. The SIASUN Heavy-Load Mobile Robot removes much of that ceremony. It is a low, wheeled platform that carries loads measured in tonnes, travels forward, backward, sideways or spins on the spot, and parks within millimetres of its target. Where a conventional vehicle needs room to turn and an operator to judge the final approach, this robot needs a route and a destination.

Robots Europa, based in Dublin, supplies the SIASUN Heavy-Load Mobile Robot to industrial customers throughout the EU and the DACH region. Robots Europa prepares every quotation around the version your project calls for, and arranges delivery, commissioning support and after-sales service for sites in Ireland, continental Europe, Germany, Austria and Switzerland.

Background

SIASUN and its heavy-duty programme

SIASUN is an established robotics manufacturer whose portfolio spans industrial robot arms, cleaning robots and a broad family of mobile robots for logistics and assembly. Within that family, heavy-duty platforms have been a sustained priority: SIASUN has been actively researching and investing in heavy-duty mobile robots since 2009. That long programme matters to buyers. Heavy-load handling punishes shortcuts, and a manufacturer with years of experience in this niche has worked through problems that newcomers have yet to meet, from load distribution on the chassis to the behaviour of the wheels on an industrial floor.

SIASUN defines the category clearly. A mobile robot carrying a load of 5 tons or more is usually regarded as heavy-duty, and its heavy-duty designs can be built for loads of 10-120 tons, with a maximum loading capacity that can reach 200 tons. The range named in the sources includes the 3T, 5T, 20T and 60T Heavy-Duty Mobile Robot versions, so the same engineering approach scales from compact in-plant transport to very large assemblies.

Omnidirectional movement and millimetre parking

The defining technology of the platform is its freedom of movement. Most SIASUN heavy-duty mobile robots operate in all directions without needing a turning radius, and they can drive forward, backward and sideways as well as spin in place. For a large, heavy load, this changes how a factory floor can be planned: aisles no longer need to accommodate a turning circle, and a load can be shifted laterally into a bay rather than manoeuvred into it in several attempts.

Precision completes the picture. The series can achieve ± 5mm parking positioning accuracy, guided by magnetic navigation or laser navigation. The wheel system is engineered to meet the demands of both load-bearing capacity and driving force while not damaging the ground, an essential requirement where floors carry coatings, embedded tracks or sensitive surfaces. Travel speed is generally controlled at around 0.5m/s, a deliberate choice for safe handling of heavy payloads. Safety is designed in from the outset: SIASUN's designs adhere to ISO3691-4, with safety levels engineered to PLD&E classifications.

Technical Specifications

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

The manufacturer has not published the dimensions, weight, battery capacity, runtime, charging method, IP rating, power supply, wireless connectivity or box contents, nor version-specific figures for the 60T model; all of these are confirmed at quotation.

What makes a heavy-duty mobile robot different from a standard AGV?

A standard automated guided vehicle is usually designed around pallets and carts, and it behaves much like a small truck: it steers, it needs space to turn and it approaches a station along a fixed arc. The SIASUN Heavy-Load Mobile Robot starts from a different set of constraints. When the payload is a 20 t fixture or a multi-tonne mould, every manoeuvre carries risk, so the platform is built to move in any direction without a turning radius, to keep speed generally around 0.5m/s and to stop with ± 5mm parking positioning accuracy across the series.

The second difference lies underneath. A heavy load concentrates enormous force through a handful of wheels, and SIASUN specifies that the wheel system must deliver both load-bearing capacity and driving force without damaging the ground. Finally, the safety architecture is formal rather than improvised: designs adhere to ISO3691-4, the standard for driverless industrial trucks, with safety levels engineered to PLD&E. For a European buyer preparing a risk assessment and CE documentation, that is a meaningful starting point.

How do the 3T, 5T, 20T and 60T versions differ?

The versions share the same omnidirectional concept but serve very different loads. The 3T and 5T Heavy-Duty Mobile Robots are rated at 3 t and 5 t payload respectively and suit in-plant transport of tooling, sub-assemblies and heavy racks. The 20T Heavy-Duty Mobile Robot carries 20 t, lifts its load by 80-100 mm, handles a gradeability of 3% and positions to ±10 mm; it is the version with the most complete published data. The 60T Heavy-Duty Mobile Robot is named in the sources, but no figures specific to it are published, so its configuration is defined with SIASUN at quotation. Each figure applies only to the version it belongs to, and the right choice depends on your heaviest regular load, your floor conditions and the precision your stations demand.

Who is the SIASUN Heavy-Load Mobile Robot for?

The platform suits manufacturers whose loads are too heavy, too large or too valuable for conventional forklifts. Automotive and commercial vehicle plants use heavy-duty mobile robots to carry body fixtures and chassis assemblies between stations. Heavy engineering, rail, shipbuilding and energy equipment producers move components that would otherwise depend on overhead cranes. Press shops and foundries shift dies and moulds between storage and machines. Logistics planners in large plants value the option of running the robot independently or tying it into a production management system.

If your loads sit at around ten tonnes, compare this range with the SIASUN 10,000 Kg Heavy-Duty Mobile Robot. Where the task is supporting an assembly line rather than pure transport, SIASUN's dedicated assembly platforms may fit better: see the SIASUN Axle Base Line Assisted Assembly Mobile Robot and the SIASUN Commercial Vehicle Assembly Mobile Robot. The full range is collected in the SIASUN category.

What is the SIASUN Heavy-Load Mobile Robot used for?

1. Die and mould changeovers: carrying heavy tooling between storage and presses or moulding machines without crane time.
2. Vehicle assembly: moving body fixtures and chassis sub-assemblies between stations with precise parking.
3. Heavy component transfer: shifting large machined parts, castings or frames between production halls.
4. Confined-space positioning: sliding loads sideways into bays where a turning vehicle could not fit.
5. Production line feeding: delivering heavy materials to the line as part of a production management system.
6. Plant reconfiguration: relocating heavy equipment and fixtures during layout changes with controlled, slow-speed movement.

Pricing and Availability

Every heavy-duty installation is specified around its loads, floor and safety concept, so Robots Europa prices the SIASUN Heavy-Load Mobile Robot by quotation. Tell us the version you are considering, your typical and maximum loads, the navigation method you prefer and the systems the robot must connect to, and we will prepare a tailored offer. Delivery, customs clearance and technical support are arranged together with the quotation. To begin, use the quotation request available on this page.

Frequently Asked Questions

What loads can the SIASUN Heavy-Load Mobile Robot carry?

The named versions are rated at 3 t, 5 t and 20 t, with a 60T version also listed. SIASUN states that its heavy-duty designs can achieve loads of 10-120 tons, with maximum loading capacity reaching 200 tons.

How accurately does it park?

The series can achieve ± 5mm parking positioning accuracy. The 20T version is specified at ±10 mm positioning accuracy.

Which navigation methods are available?

SIASUN heavy-duty mobile robots use magnetic navigation or laser navigation. The appropriate method for your site is agreed during quotation.

Does it need space to turn?

No. Most SIASUN heavy-duty mobile robots move in all directions without a turning radius, driving forward, backward, sideways and spinning in place.

Which safety standard does it follow?

SIASUN's designs adhere to ISO3691-4, with safety levels engineered to PLD&E classifications.

Can it connect to our production systems?

Yes. The robot can operate independently or be integrated into production management systems, and the integration scope is defined in the quotation.

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

Robots Europa supplies the SIASUN Heavy-Load Mobile Robot across the EU and the DACH region. Pricing depends on version and configuration, so please request a quotation on this page.

Summary

Heavy loads have long dictated the pace and layout of the factories that handle them, tying production to crane schedules and wide turning aisles. The SIASUN Heavy-Load Mobile Robot reverses that relationship. Backed by SIASUN's heavy-duty development since 2009, it moves in every direction without a turning radius, parks with millimetre accuracy, protects the floor beneath it and follows ISO3691-4 with safety levels engineered to PLD&E. With versions from 3T to 60T, the range scales to the load rather than the other way round. Supplied and supported by Robots Europa throughout the EU and the DACH region, it is a serious option for any plant where tonnes must arrive precisely, and for a tailored proposal this page is the starting point.