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Crane TypeWall Travelling Crane (Cantilever Crane)
An auxiliary crane that feeds workstations lined up along a wall, without calling in the main crane.
What it's for
If a facility has only one overhead crane, every small lift along the wall ties up that crane and holds up the main work. A wall travelling crane solves this bottleneck: it runs independently on its own rail, freeing the main crane.
In machine shops and assembly lines with workstations lined up along a wall, it noticeably eases the main crane's cycle time.
Difference from a jib crane
A jib crane is fixed to a single point and serves a circular area. A wall travelling crane, by contrast, travels along its rail — it serves multiple stations with the same system.
Installing a single wall crane instead of separate jib cranes at each station is, in most cases, both more flexible and more economical.
What to watch for
| Topic | What to check |
|---|---|
| Structural loads | The jib load acts as a horizontal moment on the wall/column; a structural check is required |
| Jib length | Set by the working depth to be served |
| Runway | A single rail along the wall, supported on brackets |
| Overlap with the main crane | Working zones and heights are planned from the start |
| Tonnage | Generally low to moderate |
Technical terms
| Term | What it means |
|---|---|
| Cantilever | A supporting arm extending beyond its support. |
| Horizontal moment | The tipping effect of the jib load acting on the wall or column. |
| Working zone | The area a crane can actually serve. |
Frequently asked questions
Will it collide with the main crane?
Not if working zones and heights are planned from the start. Zone-restriction and anti-collision systems can also be added if needed.
Can it be mounted on my existing wall?
Yes, if the wall or columns are structurally verified to carry the horizontal moment. Non-reinforced-concrete or weak walls need a separate support structure.