Haifeng Machinery

Cummins QSZ13-G6 vs Perkins 2606CE13TAG2

The Cummins QSZ13-G6 and Perkins 2606CE13TAG2 are both diesel generator engines in a similar power class. Both are rated at roughly 450 kVA. Displacement is 13 L versus 12.9 L. The table below compares their full specifications side by side.

SpecificationCummins QSZ13-G6Perkins 2606CE13TAG2
Headline rating450 kVA450 kVA
Standby (50 Hz)360 kWe360 kWe
Prime (50 Hz)288 kWe320 kWe
Standby (60 Hz)388 kWe350 kWe
Prime (60 Hz)310 kWe320 kWe
Displacement13 L12.9 L
ConfigurationL6L6
Cylinders66
Rated speed1,500 / 1,800 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsChina National Stage III / UnregulatedU.S. EPA Tier 2
Dry weight
OriginChinaUnited States

Choosing between Cummins QSZ13-G6 and Perkins 2606CE13TAG2

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.