Haifeng Machinery

Perkins 5012C-E46TAG6 vs VMAN DE58B4

The Perkins 5012C-E46TAG6 and VMAN DE58B4 are both diesel generator engines in a similar power class. Both are rated at roughly 1,879 kVA. Displacement is 46 L versus 57.2 L. The table below compares their full specifications side by side.

SpecificationPerkins 5012C-E46TAG6VMAN DE58B4
Headline rating1,876 kVA1,881 kVA
Standby (50 Hz)
Prime (50 Hz)
Standby (60 Hz)1,501 kWe1,505 kWe
Prime (60 Hz)1,351 kWe1,368 kWe
Displacement46 L57.2 L
ConfigurationV12V12
Cylinders1212
Rated speed1,800 RPM1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA Tier 2Unregulated
Dry weight
OriginUnited StatesChina

Choosing between Perkins 5012C-E46TAG6 and VMAN DE58B4

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 VMAN DE58B4 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.