Closing Recommendation
When choosing between the Liebherr R 920 Litronic and the Volvo EC250D, consider the specific requirements of your project. If your priority is higher productivity with a larger bucket capacity and superior digging capabilities in various terrains, the Volvo EC250D would be a strong candidate. On the other hand, if a combination of technology, efficiency, and more moderate power suits your needs, and space constraints or slightly better speed matter, the Liebherr R 920 Litronic may be the preferred choice.