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Long Reach Excavator
The long reach
excavator or high reach excavator is a development of the excavator
with an especially long boom arm, that is primarily used for
demolition. Instead of excavating ditches, the long reach excavator
is designed to reach the upper stories of buildings that are being
demolished and pull down the structure in a controlled fashion.
Today it has largely replaced the wrecking ball as the primary tool
for demolition.
The most popular long
reach excavators include:
CASE 210
The Case excavators are ideally suited to light and medium duty
work, with excellent performance and reliability. They are available
in 15 to 17.5 metre reach, weighing in around 23 tonnes.
VOLVO 360
This excavator is available in 20 and 22 metre reach configuration,
weighing 40 tonnes with sufficient power to suit most applications.
Fitted with dual- circuit hydraulic pipework enables the use of many
dipper attachments.
CAT 330
Weighing 45 tonnes and capable of reaching out to 22 metres, the 330
is suitable for all applications. GPS underwater vision equipment is
fitted as standard to assist in particular with dredging operations.
CAT 345
These excavators are available in 20, 22 and 24m reach arrangement,
with the power to work effectively at maximum outreach and depth.
Weighing between 53 and 62 tonnes, this is the ideal power to weight
ratio for the machine to excavate a wide range of material. Designed
and built by Caterpillar, they are purpose built for long reach
applications.
CAT 375
This is one of the largest long reach excavators on the market.
Weighing 90 tonnes with an outreach of 26 metres, the 375 can handle
heavy duty work at maximum reach. GPS dig monitoring technology
makes it particularly suited for quarrying, coastal construction
work and marine dredging.
Dredging equipment
Modular pontoons with spudlegs, welfare facilities and safety
handrails enable the excavators to be used on water. Tugs and barges
can operate on both inland and coastal environments .
Attachments
Tilt and rotating quick hitch systems enable rapid fitment of
numerous hydraulic attachments, including tree/weed cutters,
hydraulic breakers, rotating rockwheels, grapples, grabs and
compactor plates. Mini excavators can support the long reach
machines in remote access situations, with slew and height
restrictors fitted for safety as standard. An amphibious
undercarriage can be fitted for use in deep silt and marshy
conditions.
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