TY JOUR TI VALVE TIMING GEAR UPDATING FOR DIESEL LOCOMOTIVE ENGINES TO DECREASE SHOCK LOADS AND VIBRATION IN THEM KW diesel locomotive engines KW distributing gear KW DG KW vale timing gear KW VTG KW design updating KW operational re-liability JO Bulletin of Bryansk state technical university AU Slivinskiy, E.V. PY 2019 IS 2019 PB Bryansk State Technical University