Haifeng Machinery

Cummins 6ZTAA13-G3 vs FPT F3HC0685A*D

The Cummins 6ZTAA13-G3 and FPT F3HC0685A*D are both diesel generator engines in a similar power class. Both are rated at roughly 483 kVA. Displacement is 13 L versus 10.3 L. The table below compares their full specifications side by side.

SpecificationCummins 6ZTAA13-G3FPT F3HC0685A*D
Headline rating485 kVA481 kVA
Standby (50 Hz)388 kWe385 kWe
Prime (50 Hz)310 kWe350 kWe
Standby (60 Hz)388 kWe385 kWe
Prime (60 Hz)310 kWe350 kWe
Displacement13 L10.3 L
ConfigurationL6L6
Cylinders66
Rated speed1,500 / 1,800 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedUnregulated
Dry weight
OriginChinaChina

Choosing between Cummins 6ZTAA13-G3 and FPT F3HC0685A*D

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 Cummins 6ZTAA13-G3 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.