ECE electric Doosan DX165W and DX300LC
Digging deep Rory Jackson provides an in-depth report on how these heavy-duty excavators were converted to electric operation The construction industry is a major focus for many parties intent on fighting pollution and climate change, and with good reason: studies over the past few years estimate that construction contributes just shy of 40% of the […]
New metal cover with IP69K protection and push-pull locking
The RJ45 series Y-Con from Yamaichi Electronics is a modular and expandable product line that meets the requirements of protection ratings IP20, IP67, IP68 and IP69K, among others. Within the product line, the Y-Con Cover-40 has been replaced by a die-cast zinc cover called the Y-Con Cover-40 PP, which has push-pull locking. The cover automatically […]
Webasto swappable batteries power Staad electrified excavators
With many European cities now insisting that machinery such as excavators used on construction sites must not produce harmful emissions, the pressure on the industry to electrify them is growing (writes Peter Donaldson). In 2020, Staad, the Dutch importer of Doosan machinery, formed its Electric Construction Equipment (ECE) division to convert excavators and now offers […]
Liebherr ETM Series
Developing these all-electric cement mixer trucks has meant blending the bespoke with the off-the-shelf. Rory Jackson reports. The conventional cement truck is a diesel-powered vehicle that spends much of each working day at a standstill. However, whether it is having concrete...
Peter Donaldson canvasses some Tier 1 suppliers’ views on contemporary e-axle technology and the likely future trends in their design. Integrating a motor, gearing and power electronics into a compact, modular package that sits between a vehicle’s driven wheels creates a system that has come to be known as an e-axle. It is an increasingly attractive option for...
John Deere 944k Hybrid Wheel Loader
Peter Donaldson reports on the design and development of this bulk material mover, the first in its class to become commercially available. In construction and mining, wheel loaders move material in bulk, often scooping it from piles with a bucket and then lifting and dumping it into a truck or crusher. Most are powered by diesel engines coupled to...
Phi-Power PHI301 axial flux motor
Lawrence Butcher investigates the technology and engineering behind this compact but powerful motor design. Something of the new kid on the block in the world of electric machines is the axial flux motor. It is a topology which in recent years has seen increased adoption in many e-mobility applications, with the arrival of..