TY JOUR TI STUDY OF THE CRANKSHAFT OF YAMZ-238D1 DIESEL ENGINE THAT FAILED DURING OPERATION KW engine KW crankshaft KW root neck KW research KW wear JO Transport engineering AU Elena V., L.V. AU Vashchishina, A.P. AU Shalygin, M.G. AU Osipov, T.I. PY 2025 IS 2025 PB Bryansk State Technical University