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Considered to be the parent range to tower cranes,
MD cranes have been around since the beginnings
of the Potain brand. This range is the pillar of all Potain
Constantly evolving to meet market expectations, these
cranes are equipped with the latest technological innovations and boast the best performance possible.
• Jib lengths of between 30 m and 80 m, per 5 m section.
• Max. load of 10 to 40 t.
• Hoisting power ranging from between 50 and
• The masts used are K400 (1.6 m), K600 (2 m),
K800 (2.45 m) and K850 (2.45 m, reinforced).
All the components of the MD range are designed
to minimize the total number of trucksrequired to
transport them between sites.
Reduced assembly time
Thanks to the factory-performed pre-reeving and the auxiliary winch
supplied as standard, assembly of the jib and counter-jib ties can be carried out
quickly and in total safety.
The mechanisms are always used at full power. When hoisting,
the speed is optimized according to the load and command
used. In distribution, progressive variation of speedand the
maximum speed are adapted to the weight of the load.
In orientation, there is controlled proportionalspeed
with optimal acceleration and deceleration in accordance
with the maximum admissible torque for the mast.
The auxiliary winch can be used on the derrick: this provides
users with the possibility of a motorized derrick at the base of
The jib-footDVF mechanism is easily accessible in total safety.
Progressive speed variation by proportional control.
The speed depends directly on the controls manipulated by the crane operator.
To make driving the crane easier, 2 hard spots integrated into the controlsprovide better pinpointing
of the speed.
With different mechanisms (33 to 150 LVF Optima
or 108 to 215 hp LBR), MD cranes are capable of high
working speeds through optimizing speed in accordance
with the load hoisted, allowing for gains in productivity.
• For the first increments (approach speed, sling tension,
etc.) hoisting of the load is controlled by the load security
device (a proving ring).
• For working speeds, the Optima system adapts the speed in
accordance with the load hoisted. This enables full power
of the motor to always be used for optimum productivity.
The LVF Optima provides a gain of around
25% in descending speed.
RVF + orientation
The RVF Optima + orientation enables
gentle rotating movements without
Fully integrated progressive control.
Driving adapts to the behavior of the
• Traditional driving thanks to
action controlled by stoppage of the
command. The slow-down phase of
the jib is managed by the frequency
variator in this case.
• Or by an inverted command
in the slow-down phase, called
a «counter-orientation» command.
As a result, the crane operator can
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