Haifeng Machinery

VMAN C10BP vs Yunnei D6S422-35CR

The VMAN C10BP and Yunnei D6S422-35CR are both diesel generator engines in a similar power class. Both are rated at roughly 319 kVA. Displacement is 10 L versus 9 L. The table below compares their full specifications side by side.

SpecificationVMAN C10BPYunnei D6S422-35CR
Headline rating319 kVA318 kVA
Standby (50 Hz)
Prime (50 Hz)254 kWe
Standby (60 Hz)255 kWe
Prime (60 Hz)232 kWe
Displacement10 L9 L
ConfigurationL6L6
Cylinders66
Rated speed1,800 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedChina National Stage III / Unregulated
Dry weight
OriginChinaChina

Choosing between VMAN C10BP and Yunnei D6S422-35CR

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 C10BP has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.