Haifeng Machinery

Weichai WP4.6ND120E310 vs Yunnei DEF47CZDA5

The Weichai WP4.6ND120E310 and Yunnei DEF47CZDA5 are both diesel generator engines in a similar power class. Both are rated at roughly 135 kVA. Displacement is 4.6 L versus 4.7 L. The table below compares their full specifications side by side.

SpecificationWeichai WP4.6ND120E310Yunnei DEF47CZDA5
Headline rating135 kVA135 kVA
Standby (50 Hz)108 kWe
Prime (50 Hz)99 kWe108 kWe
Standby (60 Hz)
Prime (60 Hz)
Displacement4.6 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 Weichai WP4.6ND120E310 and Yunnei DEF47CZDA5

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.