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Overview
The 3T Heavy-Duty is the 3 tonne model in the heavy-duty line of Siasun's customised mobile robot portfolio. It drives under parts that do not travel on a pallet, such as dies, welding fixtures, gearboxes and semi-finished machine bodies, lifts them and moves them between stations; the turntable and load surface on top are designed to the part. Lifting height is 100 mm, positioning accuracy ±10 mm and gradeability 3 percent. Navigation is chosen by site as SLAM, magnetic guidance or colour tape; in its heavy-duty robots Siasun uses natural contour, magnetic, inertial, laser, visual and base station navigation and combines several methods in complex environments. The wheel system balances load bearing with traction and protects the floor; the robot moves in every direction with no turning-radius constraint, carries without bumps under stable speed control and crosses obstacles. Safety hardware consists of an emergency stop, audible and visual alarms and non-contact anti-collision; heavy-duty designs follow ISO 3691-4 at PL d and e. In customised-product fashion, the body and auxiliary mechanisms are designed around the workpiece's centre of gravity, size limits, slope requirement and transfer method; piggyback, chain conveyor and turntable mechanisms are examples. Outdoor editions are protected against rain, snow and dust. The line scales from 3 to 120 tonnes and targets port and container logistics, new energy and energy storage, aerospace and shipbuilding, automotive and construction machinery manufacturing, and steel, metallurgy and heavy industry; references include high-speed train maintenance bases (2010-2015, more than 50 robots), press die transfer up to 60 t, heavy truck assembly since 2018 (10-20 t, dual-vehicle linkage), port container transfer since 2020 (65 t per robot) and energy storage editions in 2024. The robot switches seamlessly between multi-robot coordination and single-robot operation; the fleet layer is the IMRS 2.0 platform, whose TCS dispatch system connects to MES/ERP/WMS through VDA5050, OPC UA, Modbus and MQTT. Robotlar.org supplies the 3T Heavy-Duty to heavy industry and logistics projects in Turkey with enterprise supply, commissioning and engineering support.
3 tonnes, 100 mm
It drives under a three-tonne workpiece, lifts it 100 mm and carries it to the station; the turntable and load surface are designed to the part.
No turning radius
Omnidirectional motion: sideways, on the spot, diagonal. The wheel system spreads the load, keeps traction and protects the concrete.
Three navigation modes, ±10 mm
SLAM, magnetic guidance or colour tape; positioning ±10 mm in all three. Methods are combined on complex sites.
100 mm lift, ISO 3691-4
The lifting mechanism raises the load by 100 mm; emergency stop, audible and visual alarm, non-contact anti-collision. Heavy-duty designs follow ISO 3691-4 at PL d and e.
3T Heavy-Duty: Technical Analysis
It starts where the forklift ends
Three tonnes is far above standard warehouse AMRs and far below port and press line robots; in this range the workpiece is usually a die, a welding fixture, a gearbox or a semi-finished machine body, and it does not travel on a pallet. The 3T Heavy-Duty drives under the load, lifts it 100 mm and takes it to the station. The turntable and load surface on top are designed to the part. Omnidirectional motion and zero turning radius decide the case in halls where a forklift finds no room to manoeuvre between machines.
Its place in the heavy-duty line
The 3T Heavy-Duty is the smallest model of the Siasun heavy-duty line; the line scales to 120 tonnes through the 5T, 10T, 20T, 30T, 60T and 80T models. All models share the same navigation options, ±10 mm positioning, omnidirectional motion and safety hardware; the distinction is payload, lifting height (100 mm on the 3T) and the superstructure designed to the workpiece. Siasun is among the first Chinese manufacturers to enter heavy-duty mobile robots; between 2010 and 2015 it delivered more than 50 robots to high-speed train maintenance bases.
Wheel system and omnidirectional motion
Tens of tonnes crack concrete unless they are spread; in heavy-duty robots the wheel layout therefore matters as much as capacity. The wheel system of the Siasun heavy-duty line balances load bearing with traction and protects the floor; the line scales from 3 to 120 tonnes. The robot moves in every direction with no turning-radius constraint: a 3 t load slides sideways in narrow assembly halls, turns on the spot and travels diagonally. Stable speed control delivers both throughput and bump-free transport; obstacle crossing and bump resistance bring adaptation to different process sites. The lifting mechanism drives under the load, raises it and sets it down at the station.
Navigation and safety
Navigation is chosen by site: SLAM laser mapping, magnetic guidance or colour tape; positioning accuracy is ±10 mm in all three. In its heavy-duty robots Siasun uses natural contour, magnetic, inertial, laser, visual and base station navigation and combines several methods in complex environments; most of the navigation sensors are its own developments. Safety hardware consists of an emergency stop, audible and visual alarms and non-contact anti-collision; heavy-duty designs follow ISO 3691-4 with safety levels engineered to PL d and e, and brakes, stall protection and actuator safeguards are added. Gradeability is 3 percent.
Customisation and outdoor use
The heavy-duty line is a customised product class: the body and auxiliary mechanisms are designed around the workpiece's centre of gravity, the robot's size limits, the slope requirement, the safety of oversized parts and the transfer and docking method; piggyback, chain conveyor and turntable mechanisms are examples. Outdoor editions are protected against rain, snow and dust, with safe outdoor navigation and charging part of the design; in 2024 waterproof, outdoor-capable, ultra-low-profile editions were developed for the energy storage sector. The robot switches seamlessly between multi-robot coordination and single-robot operation; the fleet layer is IMRS 2.0.
Applications
- Port and container logistics: container transfer at transhipment hubs (since 2020, 65 t class per robot).
- New energy and energy storage: moving containers and battery blocks in open yards.
- Aerospace and shipbuilding: large fuselage parts and structural steel.
- Automotive and construction machinery: press die transfer (up to 60 t), heavy truck chassis assembly (10-20 t, dual-vehicle linkage).
- Steel, metallurgy and heavy industry: coil, slab and heavy part handling.
- Rail maintenance: high-speed train frame maintenance bases (2010-2015, more than 50 robots).
Price and sourcing
The 3T Heavy-Duty is sourced for Turkey on a project basis; as a customised product, investment is set by corporate quotation against workpiece dimensions and centre of gravity, lifting and docking mechanism, navigation choice, outdoor protection, quantity, IMRS 2.0 scope and MES integration; import, commissioning and operator training are part of delivery. Request a quotation with the workpiece drawing, route plan and floor data.
3T Heavy-Duty Technical Specifications
| Parameter | Value |
|---|---|
| Robot type | Heavy-duty mobile robot (customised product) |
| Payload capacity | 3 t |
| Lifting height | 100 mm |
| Positioning accuracy | ±10 mm |
| Navigation methods | SLAM / magnetic guidance / colour-tape guidance |
| Gradeability | 3% |
| Motion | Omnidirectional; no turning-radius constraint |
| Safety protection | Emergency stop, audible and visual alarm, non-contact anti-collision |
| Family load range | 3-120 t |
| Fleet | Multi-robot coordination / single robot; IMRS 2.0 |
Summary
The 3T Heavy-Duty is the entry model that carries three-tonne dies and fixtures in every direction where a forklift cannot manoeuvre, localises to ±10 mm and gets a superstructure designed to the workpiece. For heavier parts the same line runs from 5 to 80 tonnes. Request a quotation with the workpiece drawing and route plan.
Details & Performance Parameters.
Physical Architecture
Dynamic Performance
Energy & Protection
Computing & Intelligence
SLAM / magnetic / colour-tape navigation; positioning ±10 mm; stable speed control
Non-contact anti-collision; emergency stop; audible and visual alarm
Omnidirectional motion with no turning-radius constraint; seamless switching between multi-robot coordination and single-robot operation; obstacle crossing and bump-free travel
IMRS 2.0 platform: TCS vehicle dispatch and traffic control (VDA5050, OPC UA, Modbus, MQTT), LWS warehouse management, SAS statistics, LPT layout planning, DTS digital twin, IoT; MES/ERP/WMS integration
Hardware & Materials
Lifting height 100 mm; piggyback, chain conveyor and turntable mechanisms; body customised to the workpiece
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- Technical feasibility against your project requirements
- Integration scope and engineering support
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About the Siasun 3T Heavy-Duty
3T Heavy-Duty Frequently Asked Questions
The most commonly asked questions and answers about 3T Heavy-Duty.
The 3 tonne entry model of the Siasun heavy-duty mobile robot line: it lifts the load 100 mm, localises to ±10 mm on SLAM, magnetic or colour-tape navigation, moves in every direction and is customised to the workpiece.
There are three options: SLAM laser mapping, magnetic guidance and colour tape; positioning is ±10 mm in all three. Magnetic or colour tape suits halls with fixed routes and uniform traffic, SLAM suits sites whose routes change; in complex environments the methods are combined.
Yes. The robot moves in every direction with no turning-radius constraint: it slides sideways, turns on the spot and travels diagonally. The wheel system spreads the load on the floor and keeps traction; gradeability is 3 percent.
Outdoor editions are protected against rain, snow and dust; safe outdoor navigation and charging are part of the design. Port deployments run editions built for high temperature, salt spray and uneven ground; site conditions are assessed at the survey.
Yes; the 3T Heavy-Duty is a customised product. The body and auxiliary mechanisms are designed around the workpiece's centre of gravity, size limits, slope requirement and transfer method; piggyback, chain conveyor and turntable options exist.
The 3T Heavy-Duty is sourced on a project basis: workpiece dimensions and centre of gravity, route plan, floor and grade data are worked out at the survey; import, commissioning and operator training are part of delivery. For a quotation, send the workpiece drawing, daily moves and the site plan.
