"a" legislation type - engine code
"b" identification marking
"c" production serial number
| legislation type | 4HX | 4HZ | 4HY |
|---|---|---|---|
| engine code | DW12TED4 /L4 with particle filter (*) | DW12TED4 /L4 without particle filter (*) | DW12 UTED /L4 without particle filter (*) |