PRODUCT FOCUS
suited to offer clients the expertise and
advice on the machinery requirements, to
offer a total solution with the inclusion of a
warranty on both machine and attachment,
making Maximum a one-stop shop for parts
and backup.
The HMK 490 LC HD complements the
Hidromek product range, which already
includes excavators from 14 tonne to 51
tonne, and includes the class-leading TLBs.
Maximum Equipment will also be
expanding their product range later in the
year with the launch of the new loader.
About Maximum Equipment
Maximum Equipment started operations in 1997 with the sale and marketing of
quality used equipment.
In 2005, Maximum Equipment expanded into the plant hire market, specialising
in excavators and attachments, most notably hydraulic hammers.
In 2006, Maximum Equipment secured the sole dealership for southern Africa
for the Komac brand of hydraulic attachments and hammers. Komac, based in
Korea, is a leading manufacturer of hydraulic breakers and attachments.
Later in 2006, Maximum Equipment added Torpedo, another quality Korean
attachment manufacturer to their range.
‘All-terrain’ conversion for Doosan
A new special ‘all-terrain’ conversion on a Doosan DX225LC-5 crawler excavator means tailor-made
efficiencies.
A new 22 tonne Doosan DX225LC-5
crawler excavator has been converted
into an ‘all-terrain’ machine for contracts
being carried out in the Wadden Sea in
Germany, by the company Sven Jacobs
Tief-, Garten- und Landschaftsbau,
based in Tating (Schleswig-Holstein).
The conversion of the Doosan excavator
supplied by local Doosan dealer, Atlas
Hamburg GmbH, was completed by
OLKO-Maschinentechnik GmbH from
Olfen (NRW).
The main application area for
the new all-terrain excavator is
the approximately 11.3km-long
Hindenburgdamm embankment, which
connects the island of Sylt with the
mainland in Germany. Around 8.1km
of the Hindenburg embankment runs
through the Wadden Sea.
To prevent the standard Doosan
22-tonne crawler excavator from sinking
into the water, a particularly low ground
pressure is required. For this purpose,
OLKO-Maschinentechnik was approached
to carry out the conversion needed.
OLKO has mounted the superstructure of
the Doosan DX225LC-5 on an all-terrain
undercarriage, not a standard pontoon,
to ensure that the full manoeuvrability of
the excavator has been maintained.
Jacobs has been using Doosan
excavators since 2014 and the new
machine is the fifth Doosan crawler
excavator they have purchased.
The DX225LC-5 features the same
new distinctive engine design that
characterises all the excavators in the
latest Doosan LC-5 generation and is
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MARCH 2019
a buoyancy of 580kN. It achieves a load
capacity of 18 tonnes and a maximum
speed of 4km/h.
In addition to the conversion
of the chassis, a number of other
modifications were made by OLKO. This
included fitting the crawler excavator
with a 9m boom and a dipper stick
6m in length. The extended reach
makes it possible to work underwater
without any problems. In addition,
a supplementary fuel tank and a
shelf for an anchor were installed.
To comply with environmental
regulations, the machine was converted
to biodegradable Panolin hydraulic
oil. OLKO ensured that the finished
machine is certified with the CE mark
and accompanied by the documentation
required by the EU Machinery Directive.
Individually adapted for
customer requirements
powered by the proven water-cooled
Doosan 6-cylinder DL06P turbo-charged
diesel engine that delivers 124kW
(168hp) at 1 800rpm. This provides more
than enough power and high torque at a
lower speed.
The OLKO undercarriage is designed
for difficult applications in adverse
conditions and on challenging surfaces,
such as those found in, for example,
wetlands, as well as performing
environmentally friendly work in
sensitive environments. It also makes
it possible to carry out work on lakes,
rivers, and coastal areas. The type
U/1800 undercarriage used on the
Doosan DX225LC-5 has a length of
10.80m, a width of 6.20m, and a height
of 2.35m. The undercarriage alone
weighs around 27 tonnes and produces
The main application area for the new all-terrain excavator is the approximately
11.3km-long Hindenburgdamm embankment, which connects the island of Sylt with
the mainland in Germany.
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