Haifeng Machinery

SDEC 4HTAA4.3-G33 vs Yunnei DEF47CZSA5

The SDEC 4HTAA4.3-G33 and Yunnei DEF47CZSA5 are both diesel generator engines in a similar power class. Both are rated at roughly 96 kVA. Displacement is 4.3 L versus 4.7 L. The table below compares their full specifications side by side.

SpecificationSDEC 4HTAA4.3-G33Yunnei DEF47CZSA5
Headline rating96 kVA95 kVA
Standby (50 Hz)77 kWe
Prime (50 Hz)70 kWe76 kWe
Standby (60 Hz)
Prime (60 Hz)
Displacement4.3 L4.7 L
ConfigurationL4L4
Cylinders44
Rated speed1,500 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsChina National Stage III / UnregulatedEuro Stage V
Dry weight
OriginChinaChina

Choosing between SDEC 4HTAA4.3-G33 and Yunnei DEF47CZSA5

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. The SDEC 4HTAA4.3-G33 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.