A method and control system for controlling the primary engine of a load transportation machine, in particular a forwarder. The load transportation machine is configured to be driven on the ground at least off-road, with and without a load in an alternatin...

A forwarder comprises a load space and a crane with a gripping assembly (6) for lifting timber pieces from the ground and placing them in the load space. The gripping assembly has gripping members (7, 8) and at least one additional gripping arm (13, 14). T...

A method and apparatus for identifying a number of diameters for a group of trees (206). An unmanned aerial vehicle (236) moves on a route (522) through the group of trees (206) at a height that is configured to allow measurement of the number of diameters...