Haifeng Machinery

Lister Petter SA430G1 vs Yunnei DEF20CSA4

The Lister Petter SA430G1 and Yunnei DEF20CSA4 are both diesel generator engines in a similar power class. Both are rated at roughly 28 kVA. Displacement is 3 L versus 2 L. The table below compares their full specifications side by side.

SpecificationLister Petter SA430G1Yunnei DEF20CSA4
Headline rating28 kVA28 kVA
Standby (50 Hz)22 kWe
Prime (50 Hz)20 kWe22 kWe
Standby (60 Hz)24.2 kWe
Prime (60 Hz)22 kWe
Displacement3 L2 L
ConfigurationL4L4
Cylinders44
Rated speed1,500 / 1,800 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsEuro Stage IIEuro Stage V
Dry weight
OriginUnited KingdomChina

Choosing between Lister Petter SA430G1 and Yunnei DEF20CSA4

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.