Caterpillar CG170-12 vs VMAN DT58
The Caterpillar CG170-12 and VMAN DT58 are both natural gas generator engines in a similar power class. Both are rated at roughly 1,500 kVA. Displacement is 53.1 L versus 57.2 L. The table below compares their full specifications side by side.
| Specification | Caterpillar CG170-12 | VMAN DT58 |
|---|---|---|
| Headline rating | 1,500 kVA | 1,500 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | 1,200 kWe | 1,200 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | 1,200 kWe | — |
| Displacement | 53.1 L | 57.2 L |
| Configuration | V12 | V12 |
| Cylinders | 12 | 12 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 RPM |
| Fuel | Natural Gas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | — | — |
| Origin | Germany | China |
Choosing between Caterpillar CG170-12 and VMAN DT58
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.