Haifeng Machinery

Deutz F4L912T vs SDEC 4ZT3.2-G12

The Deutz F4L912T and SDEC 4ZT3.2-G12 are both diesel generator engines in a similar power class. Both are rated at roughly 51 kVA. Displacement is 3.77 L versus 3.2 L. The table below compares their full specifications side by side.

SpecificationDeutz F4L912TSDEC 4ZT3.2-G12
Headline rating51 kVA51 kVA
Standby (50 Hz)40.5 kWe41 kWe
Prime (50 Hz)36.9 kWe38 kWe
Standby (60 Hz)46.8 kWe41 kWe
Prime (60 Hz)43.2 kWe38 kWe
Displacement3.77 L3.2 L
ConfigurationL4L4
Cylinders44
Rated speed1,500 / 1,800 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingAir-CooledLiquid-Cooled
EmissionsUnregulatedChina National Stage II / Unregulated
Dry weight
OriginGermanyChina

Choosing between Deutz F4L912T and SDEC 4ZT3.2-G12

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.