Haifeng Machinery

Sida Power 4FWZL1 vs Volvo Penta TAD551GE

The Sida Power 4FWZL1 and Volvo Penta TAD551GE are both diesel generator engines in a similar power class. Both are rated at roughly 115 kVA. Displacement is 3.6 L versus 5.1 L. The table below compares their full specifications side by side.

SpecificationSida Power 4FWZL1Volvo Penta TAD551GE
Headline rating115 kVA114 kVA
Standby (50 Hz)92 kWe91 kWe
Prime (50 Hz)90 kWe81 kWe
Standby (60 Hz)100 kWe101 kWe
Prime (60 Hz)96 kWe90 kWe
Displacement3.6 L5.1 L
ConfigurationL4L4
Cylinders44
Rated speed1,500 / 1,800 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsApplication-dependentEU Stage IIIA / EPA Tier 3
Dry weight370 kg—
OriginChinaSweden

Choosing between Sida Power 4FWZL1 and Volvo Penta TAD551GE

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 Sida Power 4FWZL1 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.