| 3 | Equipment for cargo |
| 30 | Hatches, ports |
| 309 | Common hydraulic oil system for hatches/ports |
| 438 | Common hydraulic oil system for anchoring/mooring equipment |
| 439 | Common hydr. oil syst. for anchoring/mooring/cargo winches |
| 601 | Diesel engines |
| 651 | Motor aggregates |
| 83 | Special common hydraulic oil systems |