| Model | 420 DG |
| Power (type) | 56, HP |
| RPM (type) | 1500 |
| Year of manufacturing | 1996 |
| Brand | Contrucciones Electro Mecanicas, Stamford |
| Serial number | 104.111 |
| Kva | 55, 87,5 |
| Voltage | V, 380 v, 380 / 220 v |
| Amps | A, 84 a, 133 a |
| Frequency | 50 hz |
| Phase | 3 |
| Starter | 1x24v |
| Governor | Mechnical |
| Exhaust system | Water cooled |
| Turbo | Dry |
| Cooling system | Keel cooled |
| Missing | Thermostat housing |
| Panel | No |
| Raw water pump | No |
| Skid | Yes, No |
| Soundproof box | No |
| LxWxH (cm) | 150x90x90, 185x80x125, 185x80x130 |
| Weight (kg) | 500, 1020, 1200 |