Haifeng Machinery

Sida Power 4FWZL vs Yunnei DEF47CZSB5

The Sida Power 4FWZL and Yunnei DEF47CZSB5 are both diesel generator engines in a similar power class. Both are rated at roughly 95 kVA. Displacement is 3.6 L versus 4.7 L. The table below compares their full specifications side by side.

SpecificationSida Power 4FWZLYunnei DEF47CZSB5
Headline rating95 kVA95 kVA
Standby (50 Hz)76 kWe—
Prime (50 Hz)70 kWe—
Standby (60 Hz)90 kWe—
Prime (60 Hz)80 kWe76 kWe
Displacement3.6 L4.7 L
ConfigurationL4L4
Cylinders44
Rated speed1,500 / 1,800 RPM1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsApplication-dependentEuro Stage V
Dry weight370 kg—
OriginChinaChina

Choosing between Sida Power 4FWZL and Yunnei DEF47CZSB5

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.