Haifeng Machinery

Cummins KTA50-G8 vs Perkins 5012AC-E46TAG3

The Cummins KTA50-G8 and Perkins 5012AC-E46TAG3 are both diesel generator engines in a similar power class. Both are rated at roughly 1,652 kVA. Displacement is 50.3 L versus 46 L. The table below compares their full specifications side by side.

SpecificationCummins KTA50-G8Perkins 5012AC-E46TAG3
Headline rating1,650 kVA1,653 kVA
Standby (50 Hz)1,320 kWe1,322 kWe
Prime (50 Hz)1,100 kWe1,202 kWe
Standby (60 Hz)
Prime (60 Hz)
Displacement50.3 L46 L
ConfigurationV16V12
Cylinders1612
Rated speed1,500 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedEuro Stage II / China National Stage III
Dry weight
OriginChinaUnited Kingdom

Choosing between Cummins KTA50-G8 and Perkins 5012AC-E46TAG3

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 Perkins 5012AC-E46TAG3 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.