Haifeng Machinery

Lovol 1004G vs Sida Power 4DEZ

The Lovol 1004G and Sida Power 4DEZ are both diesel generator engines in a similar power class. Both are rated at roughly 45 kVA. Displacement is 4.4 L versus 2.77 L. The table below compares their full specifications side by side.

SpecificationLovol 1004GSida Power 4DEZ
Headline rating45 kVA45 kVA
Standby (50 Hz)36 kWe36 kWe
Prime (50 Hz)32.8 kWe32 kWe
Standby (60 Hz)43.2 kWe38 kWe
Prime (60 Hz)39.4 kWe36 kWe
Displacement4.4 L2.77 L
ConfigurationL4L4
Cylinders44
Rated speed1,500 / 1,800 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedApplication-dependent
Dry weight—250 kg
OriginChinaChina

Choosing between Lovol 1004G and Sida Power 4DEZ

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.