Size: Flywheel rotating tool with 3 gear wheels. H: 120mm x 1/2" Drive
This tool is used to allow precise positioning of the crankshaft for timing purposes. It can be operated with sockets / wrenches.

Used on Mercedes truck is 900 eg: 904 and 906 Actros and Atego as well as for all MAN engines. MAN number: 80-99626-6006 (not for 12 cylinder engines)
MAN 5-6 and 8 cylinder engines - D25/28, Detroit DD13 & DD15