Haifeng Machinery

Baudouin 4M09G1D4/5 vs Isuzu 4BG1T

The Baudouin 4M09G1D4/5 and Isuzu 4BG1T are both diesel generator engines in a similar power class. Both are rated at roughly 55 kVA. Displacement is 3.58 L versus 4.329 L. The table below compares their full specifications side by side.

SpecificationBaudouin 4M09G1D4/5Isuzu 4BG1T
Headline rating55 kVA55 kVA
Standby (50 Hz)44 kWe44 kWe
Prime (50 Hz)40 kWe40 kWe
Standby (60 Hz)52.8 kWe
Prime (60 Hz)48 kWe
Displacement3.58 L4.329 L
ConfigurationL4L4
Cylinders44
Rated speed1,500 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsChina IVUnregulated
Dry weight
OriginChinaJapan

Choosing between Baudouin 4M09G1D4/5 and Isuzu 4BG1T

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.