TY JOUR TI DETERMINATIOM OF EFFECTIVE METHOD OF RUNNING-IN OF QUARRY PBX ENGINES KW QUARRY MOTOR TRANSPORT KW DUMP TRUCK KW ENGINE KW ENGINE RUNNING-IN KW METHODS OF LOADING THE ENGINE. JO Voronezh Scientific-Technical Bulletin AU Semykina, A.S. PY 2022 IS 4 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov