NEW PRODUCTS AND INNOVATIONS New engine range reduces ventilation needs 28 Aug 2013
Atlas Copco News Release
A new range of low-emissions engine options on its underground loaders will provide Atlas Copco customers with greater fuel efficiency and reduce ventilation requirements.
Scooptram loaders feature new Cummins Tier 4i engines

Scooptram loaders feature new Cummins Tier 4i engines

The Swedish underground construction equipment manufacturer is introducing Cummins Tier 4 Interim (Tier 4i) engines as an option on five of its underground loaders, and one underground truck.
The Cummins Tier 4i engines will be available as an option on the underground loaders Scooptram ST7, ST7LP, ST1030, ST1030LP and ST14 as well as on the underground truck, the Minetruck MT2010.
"With the new Tier 4i engines you get lower emissions along with higher fuel efficiency," said Ben Thompson, Product Manager at Atlas Copco. "It means that you will reduce the fuel consumption, but also that you can cut down on the required ventilation and that will result in great savings to operating costs. In addition you will get a healthier working environment for all personnel in the tunnel."
The Tier 4i engines feature improved performance and torque response via variable geometry turbocharging and an enhanced fuel system. This can provide up to 5% greater efficiency than the equivalent Tier 3 engine.
The passive regeneration of the diesel particulate filter is automatic with no operator assistance while still maintaining high machine performance. In addition, no diesel exhaust fluid is required for the Cummins Tier 4i, which will also contribute to lower costs and fewer production stops.
Atlas Copco unveils new underground products - TunnelTalk, October 2012
Atlas Copco acquires GIA underground lines - TunnelTalk, December 2011
New division focuses on customer priorities - TunnelTalk, April 2011

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