Haifeng Machinery

Cummins M15-G8 vs Perkins 2506AE15TAG3

The Cummins M15-G8 and Perkins 2506AE15TAG3 are both diesel generator engines in a similar power class. Both are rated at roughly 563 kVA. Displacement is 15 L versus 15.2 L. The table below compares their full specifications side by side.

SpecificationCummins M15-G8Perkins 2506AE15TAG3
Headline rating563 kVA563 kVA
Standby (50 Hz)450 kWe
Prime (50 Hz)410 kWe
Standby (60 Hz)450 kWe450 kWe
Prime (60 Hz)410 kWe410 kWe
Displacement15 L15.2 L
ConfigurationL6L6
Cylinders66
Rated speed1,500 / 1,800 RPM1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedUnregulated
Dry weight
OriginChinaUnited States

Choosing between Cummins M15-G8 and Perkins 2506AE15TAG3

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.