Engine Identification
Five typical construction features are used for identification.
| Petrol engine (example) | Diesel engine (example) |
| | | |
| X | Exhaust emissions limit | X | Exhaust emissions limit |
| 16 | Engine size | 17 | Engine size |
| X | Compression ratio | D | Carburetion system |
| E | Carburetion system | T | Specific version |
| L | Specific version | | |
| Exhaust emissions level | Carburetion system |
| none | : | ECE R 83 A (as R 15.04) | E | : | Injection |
| C 10) | : | ECE R 83 A (as R 15.04) | Z | : | Central Fuel Injection |
| X 10) | : | ECE R 83 A (as R 15.04) | V | : | Carburettor |
| C | : | EC 91/441/EEC | D | : | Diesel |
| X | : | 94/12/EC 11) | | | |
10.1.1 Engine Identification
| Engine size | Specific version (if required) |
| | | | | | | |
| Displacement in litres x 0.1 | A | : | Egypt |
| B | : | IBC |
| C | : | Corp. Ignition System |
| | | | | F | : | Vehicles for public authorities |
| H | : | High output/supercharged |
| | | | | I | : | Irmscher |
| | | | | J | : | Throttled output |
| | | | | K | : | Komprex |
| | | | | L | : | Low output/supercharged |
| Compression ratio ε | M | : | Middle East |
| | | | | P | : | High output |
| G | : | ε | ≤ | 8.5 : 1 | R | : | Increased output |
| L | : | ε | > | 8.5 � 9.0 : 1 | T | : | Turbo |
| N | : | ε | > | 9.0 � 9.5 : 1 | U | : | Uruguay |
| S | : | ε | > | 9.5 � 10.0 : 1 | V | : | Volume model |
| X | : | ε | > | 10.0 : 11.5 : 1 | W | : | Venezuela |
| Y | : | ε | > | 11.5 : 1 | 2 | : | Family I engine |