Keestrack shifts via e-drive to ZERO drive

“Keestrack has a strong reputation on innovative and cost-effective equipment with a relentless search on the best performance at the lowest cost per produced ton, while using the best drive system possible; today, this means going electric,” says Marcel Kerkhofs, Marketing Manager at Keestrack.

“A focus on sustainability is at the core of our company. Producing and recycling valuable raw materials is what mobile crushing and screening is all about, and urban mining is definitely having a positive impact on the ecological footprint,” says Frederik Hoogendoorn, VP - Sales & Marketing.

Keestrack is active in quarrying, mining, and aggregates industries – all of which are heavy-duty industries which need very powerful drive systems. Keestrack has kept on searching for alternative drive systems. From load sensing hydraulics to e-drives, it is now going to ZERO drives.

E-drive and drop-off engine
Keestrack introduced electric drives in 2012 by the e-drive; electric plug-in with onboard diesel/genset in case there is no electric plug-in available. The e-driven machines evolved to machines with a drop-off engine/genset unit which could be placed next to the machine, in less dusty and vibrant circumstances, or on the frame of the machine.

Zero drive
Keestrack introduced the ZERO-drive machines without any combustion engines on board. Electric motors drive most of the mobile crushing and screening equipment and power some necessary hydraulics systems. The following equipment is available in ZERO-drive:

H6e & H7e cone crushers
All impact crushers including I4e
All scalper screens except the K8
C6e classifier
All stackers
All jaw crushers except the B3
Tracked Apron feeder A6

“At this point electric drive systems are the greenest and most effective options on the market, as they are more efficient than conventional hydraulic systems. And they also make the end-user less dependent on a specific engine supplier. If there is no electric plug-in available, the end-user can choose his own genset or select one of Keestrack’s (tracked) engine/genset units,” informs Kees Hoogendoorn, President, Keestrack Group.

Compared to conventional diesel-hydraulic units, diesel-electric driven plants directly save up to 40% of fuel. While working in production trains, the attributable fuel consumption may even decrease by 70% when the hybrid screens and stackers are powered directly via the plug-out supply of an upstream or downstream electric crusher. When plugged into the grid, savings are even bigger (depending on the local electricity price), as operational costs and maintenance cost will decrease drastically.

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