Page 19 - Construction_Opportunities_September_2024

COVER STORY

the system is that it ensures more efficient compaction as the compaction in the tight jobsites. The Ammann ARX 10.1 StV
dynamic forces are optimized to suit the working conditions. features the Honda GX630 petrol engine rated at 15.5kW. This
The system ensures that the work is carried out to specification, reduces ownership costs and meets the latest Stage V/EPA Phase
without risking over-compaction. This reduces fuel consumption III emission regulations. The engine is more compact than the
as well as the number of passes the machine makes. diesel machine, allowing cooling from all sides and helping
Other key benefits of the seismic option include reduced performance in high ambient temperatures. Petrol is also
operating noise, less vibration for the machine (in turned less expensive than diesel, while there is no need for a diesel
reducing wear and tear and fatigue for the operator) and lower particulate filter (DPF) and maintenance of a petrol engine is
fuel consumption. According to the spokesperson, around 10% also less costly than for a diesel engine.
fuel savings can be achieved through this. Liebherr has carried out a public demonstration of its new
Coming to the market soon from BOMAG will be a novel braking hydrogen fuel technology during a trade event at its factory
system, which will be available on the ROBOMAG BW 154 asphalt in Bischofshofen. The world’s first large, wheeled loader to use
roller (as well as the ROBOMAG BW 177 soil compactor). The hydrogen as a fuel was presented to attendees, including
Emergency Brake Assist system scans the construction working representatives from politics and business.
environment in real time and identifies moving and static The L 566 H from Liebherr is the world’s first prototype large wheel
obstacles and objects. Objects that could be put at risk by the loader with a hydrogen engine. Following extensive studies,
machine’s movement are detected by the system. If a collision this groundbreaking technology was identified as the optimal
is imminent, the system slows the machine down to a complete solution for operating large vehicles that are difficult to electrify
stop. By averting potential hazards, the technology marks a without CO2 emissions. For smaller machines, battery-electric
significant milestone in enhancing on-site safety. solutions are often suitable. However, the situation is different
From Hamm comes a new development in the shape of its HD+ with larger machines with an operating weight of up to 40tonnes
120i V-VIO-2 HF. This innovative compactor offers the benefits of and high energy requirements, internal combustion engines
compaction by vibration and oscillation. While other machines fuelled by hydrogen offer many benefits.
(from Hamm and some competitors) have been able to offer this These hydrogen engines are manufactured at the engine
combination previously, they have been restricted to having one plant of Liebherr’s Components product segment in Bulle
drum for vibration and the other for oscillation. The new HD+ 120i (Switzerland). They enable zero emissions of greenhouse gases
V-VIO-2 however offers both vibration and oscillation on both from the tailpipe and almost no nitrogen oxides. They are
drums. This allows the operator to combine the compaction also highly efficient. Another advantage is that the interfaces
types, depending on the application. are comparable to those of a diesel engine - thermally and
Aimed at the rental market, Ammann’s new light tandem roller mechanically. This represents a significant step forward in the
is petrol-powered and features side-free drums that enable development of sustainable large-scale machinery.

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