Haifeng Machinery

Cummins B6.7G17 vs SDEC SC7H205D2

The Cummins B6.7G17 and SDEC SC7H205D2 are both diesel generator engines in a similar power class. Both are rated at roughly 171 kVA. Displacement is 6.7 L versus 7 L. The table below compares their full specifications side by side.

SpecificationCummins B6.7G17SDEC SC7H205D2
Headline rating171 kVA171 kVA
Standby (50 Hz)137 kWe137 kWe
Prime (50 Hz)124 kWe124 kWe
Standby (60 Hz)155 kWe
Prime (60 Hz)141 kWe
Displacement6.7 L7 L
ConfigurationL6L6
Cylinders66
Rated speed1,500 / 1,800 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA Final Tier 4 / EU Stage VChina National Stage II / Unregulated
Dry weight
OriginUnited States / United KingdomChina

Choosing between Cummins B6.7G17 and SDEC SC7H205D2

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.