| Model | Date of manufacture | Power, kWt | Power HP | Volume cc | Type of construction |
|---|---|---|---|---|---|
| MERCE O 403 O 403 SHD | 09.2003 - ... | 260 | 354 | 11967 | |
| MERCE O 403 O 403 SHD | 09.2003 - ... | 310 | 422 | 11967 | |
| MERCE O 403 O 403 SHD | 01.2003 - ... | 250 | 340 | 10964 | |
| MERCE O 403 O 403 RHD | 09.2003 - ... | 280 | 381 | 12763 | |
| MERCE O 403 O 403 RHD | 01.2003 - ... | 280 | 381 | 14618 |