These SI Siegenia tilt and turn drive gear mechanism's replace the old yellow coloured SI Siegenia drive gear mechanism's.


This SI Siegenia tilt and turn gearbox/mechanism has a 15mm backset comes in a few different sizes, to indentify the correct tilt and turn gearbox size you require you will notice markings stamped on the tilt and turn gearbox mechanism.

Gr.20 260-600

Printed on the mechanism is;

F / TGMK Gr. 20
FFH 260 - 600

Technical Diagram-