Haifeng Machinery

MAN E 0834 E302 vs Yuchai YC4D90N-D30

The MAN E 0834 E302 and Yuchai YC4D90N-D30 are both natural gas generator engines in a similar power class. Both are rated at roughly 64 kVA. Displacement is 4.6 L versus 4.214 L. The table below compares their full specifications side by side.

SpecificationMAN E 0834 E302Yuchai YC4D90N-D30
Headline rating65 kVA63 kVA
Standby (50 Hz)——
Prime (50 Hz)52 kWe50 kWe
Standby (60 Hz)——
Prime (60 Hz)60 kWe—
Displacement4.6 L4.214 L
ConfigurationL4L4
Cylinders44
Rated speed1,500 / 1,800 RPM1,500 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedUnregulated
Dry weight——
OriginGermanyChina

Choosing between MAN E 0834 E302 and Yuchai YC4D90N-D30

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 MAN E 0834 E302 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.