Haifeng Machinery

Deutz F4L2011 vs Sida Power 4BWZ

The Deutz F4L2011 and Sida Power 4BWZ are both diesel generator engines in a similar power class. Both are rated at roughly 33 kVA. Displacement is 3.1 L versus 2.55 L. The table below compares their full specifications side by side.

SpecificationDeutz F4L2011Sida Power 4BWZ
Headline rating33 kVA33 kVA
Standby (50 Hz)26 kWe26 kWe
Prime (50 Hz)23.4 kWe24 kWe
Standby (60 Hz)29.9 kWe30 kWe
Prime (60 Hz)26.9 kWe28 kWe
Displacement3.1 L2.55 L
ConfigurationL4L4
Cylinders44
Rated speed1,500 / 1,800 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingOil-CooledLiquid-Cooled
EmissionsEuro Stage IIIAApplication-dependent
Dry weight—250 kg
OriginGermanyChina

Choosing between Deutz F4L2011 and Sida Power 4BWZ

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.