Modeling of the Rotary Mechanism of the Hydraulic Manipulator of a Timber Truck Journal title: Lesnoy Zhurnal (Russian Forestry Journal) Authors: Valeryi I. Posmetyev, Vadim O. Nikonov, Andrey Yu. Manukovskii, Viktor V. Posmetyev, Igor V. Kazakov Subject(s): Technology, Forestry