Concrete mixer firm Davino has introduced a Black Edition of its Delta4 self-loading concrete mixer, to mark the machine’s fifth anniversary. In striking black and orange livery, the Delta4 sits on an all-wheel drive, all-wheel steer chassis that affords two-wheel, four-wheel and crab-steering modes to boost on-site manoeuvrability. The machine’s upper structure carries a 4.5m3 mixer drum, engine and cab, and like an excavator, is able to rotate continuously through 360 degrees. This has the benefit of