Haifeng Machinery

Sida Power 4BMZL vs Yunnei DEF47CJA3

The Sida Power 4BMZL and Yunnei DEF47CJA3 are both diesel generator engines in a similar power class. Both are rated at roughly 85 kVA. Displacement is 3.8 L versus 4.7 L. The table below compares their full specifications side by side.

SpecificationSida Power 4BMZLYunnei DEF47CJA3
Headline rating85 kVA85 kVA
Standby (50 Hz)68 kWe—
Prime (50 Hz)64 kWe68 kWe
Standby (60 Hz)75 kWe—
Prime (60 Hz)72 kWe—
Displacement3.8 L4.7 L
ConfigurationL4L4
Cylinders44
Rated speed1,500 / 1,800 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsApplication-dependentEuro Stage IIIA
Dry weight400 kg—
OriginChinaChina

Choosing between Sida Power 4BMZL and Yunnei DEF47CJA3

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.