Manufacturers are rolling out sophisticated machines for the European, North American and Japanese markets - Mike Woof reports. This year has been a pivotal period for the development of advanced, low emission earthmoving machines. During 2011 an array of manufacturers have introduced new models designed to comply with the latest Stage IIIB/Tier 4 Interim emissions regulations introduced for
MAN has revealed two new ranges of off-highway engines that are said to lay the foundation of its EU Stage V emissions regulation strategy. The two ranges include a six-cylinder 15.26 litre engine offering outputs from 415-485kW and a larger 24.24 litre V12 engine with power outputs from 588-816kW. Both meet Tier 4 Final/EU Stage IV emissions and are also said to be EU Stage V ready. The six-cylinder engine, badged D3876 LE12x, uses variable geometry turbocharging and a 2,500 bar fuel injection pressure to
Excavators and wheeled loaders benefit from new engine technology - Mike Woof reports. Competition is tough in the market for crawler excavators and wheeled loaders. These production machines account for a significant percentage of the entire construction equipment market worldwide and the segment also has the widest array of competing manufacturers. In the past, European, Japanese and US manufacturers dominated this sector but in the last 20 years South Korean companies have built significant market shares
Driver comfort, more power and improved environmental credentials highlight some of the latest earthmoving equipment
Doosan Construction Equipment has launched a new version of the company’s DA30 30tonne class articulated dump truck (ADT), now in a new colour scheme. Most of the changes are for better operator comfort and controllability of the machine. But there are also changes in the driveline and electrical systems.
The most important development is an upgrade of the suspension to a hydro-gas self-lev
