Haifeng Machinery

SDEC SC10E380D2 vs Yunnei D6S422-35CR

The SDEC SC10E380D2 and Yunnei D6S422-35CR are both diesel generator engines in a similar power class. Both are rated at roughly 317 kVA. Displacement is 10 L versus 9 L. The table below compares their full specifications side by side.

SpecificationSDEC SC10E380D2Yunnei D6S422-35CR
Headline rating315 kVA318 kVA
Standby (50 Hz)252 kWe
Prime (50 Hz)230 kWe254 kWe
Standby (60 Hz)
Prime (60 Hz)
Displacement10 L9 L
ConfigurationL6L6
Cylinders66
Rated speed1,500 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsChina National Stage II / UnregulatedChina National Stage III / Unregulated
Dry weight
OriginChinaChina

Choosing between SDEC SC10E380D2 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 Yunnei D6S422-35CR has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.