Engine OM 936 Special tools 81 Introduction of the New Truck Generation - The New Arocs (Model 964) i – This printout will not be recorded by the update service. Status: 01 / 2013 – Removal and installation tool Use For removing/installing the complete engine. Special tool number W 936 589 01 62 00 FG 01 Set B Category Mercedes-Benz Truck - Special Operation Note In combination with an engine hoist