pointers - speed, hour, minute, second pointer, for all tachographs;
electronic board - for 028, 1314, 1318, 1319, EGK-100 tachographs;
gears - non return gear, clock rack, speed system rack, clutch rack, time group cam, counter powering gear, distance system powering rack; for all tachographs;
motor - speed motor, km motor; scribers motor; 12 or 24V;