6
Fig. 1.4. Location of engine ZMZ-40906 identication number
I — descriptive part (VDS) consists of six characters. The rst ve characters (digits)
represent the engine model code. If a model code contains fewer than ve characters,
a zero shall be entered in the free space at the end of the identication. A zero shall
be entered in place of the sixth character. II — indicating part (VIS) consists of six
characters. The rst character (a letter or a digit) represents the conditional code of
the year of vehicle manufacture, the second character (digit) is the conditional code
of the engine manufacturing plant’s division, and the remaining characters (digits)
are the order number of the engine since the start of the year of engine manufacture.