Haifeng Machinery

SDEC 4HTAA4.3-G23 vs Weichai WP4.1D113E200

The SDEC 4HTAA4.3-G23 and Weichai WP4.1D113E200 are both diesel generator engines in a similar power class. Both are rated at roughly 129 kVA. Displacement is 4.3 L versus 4.1 L. The table below compares their full specifications side by side.

SpecificationSDEC 4HTAA4.3-G23Weichai WP4.1D113E200
Headline rating130 kVA128 kVA
Standby (50 Hz)104 kWe102 kWe
Prime (50 Hz)95 kWe91 kWe
Standby (60 Hz)119 kWe108 kWe
Prime (60 Hz)108 kWe97 kWe
Displacement4.3 L4.1 L
ConfigurationL4L4
Cylinders44
Rated speed1,500 / 1,800 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsChina National Stage III / UnregulatedChina National Stage II / Unregulated
Dry weight
OriginChinaChina

Choosing between SDEC 4HTAA4.3-G23 and Weichai WP4.1D113E200

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-G23 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.