Caterpillar C175-20 vs MTU MTU 20V4000 G94S
The Caterpillar C175-20 and MTU MTU 20V4000 G94S are both diesel generator engines in a similar power class. Both are rated at roughly 3,913 kVA. Displacement is 107 L versus 95.4 L. The table below compares their full specifications side by side.
| Specification | Caterpillar C175-20 | MTU MTU 20V4000 G94S |
|---|---|---|
| Headline rating | 3,900 kVA | 3,926 kVA |
| Standby (50 Hz) | 3,120 kWe | — |
| Prime (50 Hz) | 2,800 kWe | — |
| Standby (60 Hz) | 3,900 kWe | 3,141 kWe |
| Prime (60 Hz) | 3,500 kWe | — |
| Displacement | 107 L | 95.4 L |
| Configuration | V20 | V20 |
| Cylinders | 20 | 20 |
| Rated speed | 1,500 / 1,800 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Stationary | Unregulated |
| Dry weight | — | — |
| Origin | United States | Germany |
Choosing between Caterpillar C175-20 and MTU MTU 20V4000 G94S
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. The MTU MTU 20V4000 G94S has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.