- Award-winning Design offering Superb Performance and Operator Comfort - Doosan Infracore Europe has launched the company’s new ‘DL-7’ wheel loader range, introducing a complete line of next generation machines with an award-winning design, driven by powerful new Stage V compliant engines and providing higher productivity, increased fuel efficiency and a low cost of ownership, coupled with a fantastic environment and experience for the operator. In this first phase of the DL-7 range introduction, seven new models are being launched - the DL280-7, DL320-7, DL380-7, DL420-7, DL480-7, DL550-7 and DL580-7, with four more models - the DL200-7, DL220-7, DL250-7 and DL420CVT-7 being added in 2021.