Mitsubishi 12KU30GSI vs Waukesha 275GL+ 16V
Compare Mitsubishi 12KU30GSI and Waukesha 275GL+ 16V by catalog output, operating duty, frequency and engine specifications. Their listed displacements are 322.3 L and 285 L, respectively. Start with the same duty and frequency, then check each model’s source and package conditions. These records alone do not establish interchangeability.
| Specification | Mitsubishi 12KU30GSI | Waukesha 275GL+ 16V |
|---|---|---|
| Standby electrical (50 Hz) | Not listed | Not listed |
| Prime electrical (50 Hz) | 3,800 kWe | 3,616 kWe |
| Standby electrical (60 Hz) | Not listed | Not listed |
| Prime electrical (60 Hz) | Not listed | Not listed |
| Other recorded mechanical power (duty unspecified) | 3,800 kW | 3,728 kW |
| Displacement | 322.3 L | 285 L |
| Configuration | L12 | V16 |
| Cylinders | 12 | 16 |
| Recorded engine speed | 750 RPM | 1,000 RPM |
| Fuel | Natural Gas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Recorded emissions classification | Not listed | Unregulated |
| Dry weight | 40,000 kg | Not listed |
| Origin | Japan | United States |
Compare matching ratings
Read across a row to compare the same operating duty and frequency. kWe is electrical output; mechanical kW is power at the engine shaft. kVA is apparent electrical power and is shown only when kWe is missing, without converting it. “Not listed” means the record lacks that rating, not zero output. Continuous and prime duties are kept separate. Check source documents, units and site conditions before comparing values.
An emissions classification in the catalog is not proof of certification for your engine or installation. Confirm the exact model, applicable documents and generator configuration.
Mitsubishi 12KU30GSI: Review the model record and available supporting documents
Waukesha 275GL+ 16V: Review the model record and available supporting documents
Choosing between Mitsubishi 12KU30GSI and Waukesha 275GL+ 16V
Use this comparison as an engineering shortlist, then confirm the complete generator package against load profile, voltage, 50/60 Hz frequency, duty class, emissions rules, cooling margin, altitude, ambient temperature, enclosure design, controller features, and alternator sizing.
