Luffing cranes
The jib raises and lowers, so the crane works tight city sites hemmed in by buildings, other cranes or a flight path.
6 luffing cranes, 8 to 25 tonnes.
MCH125
8 tonnes on a hydraulic luffing jib up to 50 metres. A compact luffer for tight sites next to other buildings.
MCH175A
10 tonnes on a hydraulic luffing jib up to 55 metres. Simpler to set up on a confined site than a rope luffer.
MCR225A
14 tonnes on a 55-metre rope luffing jib, for inner-city apartment and office builds.
MCR305A
25 tonnes on a luffing jib up to 60 metres, for tight city sites with heavy picks close in.
Side by side.
| Model | Capacity | Max jib | At jib end | Datasheet |
|---|---|---|---|---|
| MCH125 | 8 t | 50 m | 2 t | |
| MCH175A | 10 t | 54.9 m | 1.5 t | |
| MCR225A | 14 t | 55 m | 2.15 t | |
| MCR305A | 25 t | 60.1 m | 3 t | |
| MCR505 | 25 t | 65.1 m | 4.7 t | |
| MCR515 | 25 t | 65.1 m | 4.4 t |
Every figure is read from the Potain datasheet for that crane. Capacity is the most it lifts close in; the jib-end figure is what it lifts at the tip of its longest jib.
What these terms mean
- Luffing jib
- The jib (the arm) raises and lowers instead of staying flat. That lets the crane work tight city sites and swing its load clear of nearby buildings.
- Hydraulic luffing
- A luffing jib raised and lowered by a hydraulic ram rather than a rope winch. Compact, and quick to set up on a confined site.
- Rope luffing
- A luffing jib raised and lowered on wire rope by its own winch. This is how the heaviest luffing cranes are built.
- At jib end
- What the crane lifts at the very tip of the jib. That is the furthest reach, and the point where it carries the least.
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