TY CONF TI ON THE PERSPECTIVE OF THE USE OF HYDROCYLINDERS IN THE ROTARY MECHANISM OF THE HYDRAULIC COLUMN MANIPULATOR OF THE TIMBER ROAD TRAIN KW timber complex KW energy recovery of the working fluid KW logging road train KW col-umn slewing mechanism KW hydraulic cylinder KW hydraulic manipulator KW timber loading and unloading process KW inertial loads JO Innovations in road transport AU Posmetev, V.I. AU Nikonov, V.O. AU Mihailov, A.A. AU Hrapov, I.O. PY 2022 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov