Details of the crank mechanism:
A - engine «5201» with Kugetfischer fuel injection system; A1 - engine models «518», «520»; A2 - engine models «525», «528».
1 - piston pin; 2 - bushing of the upper head of the connecting rod; 3 - piston; 4 - connecting rod and connecting rod cover; 5 - flywheel of vehicles with manual transmission; 6 - flywheel and leading flange of automatic transmission «520A»; 7 - flange of the crankshaft; 8 - liners with cheeks of the middle main bearing.