The Generator EngineEncyclopedia

MAN E 3872 LE201 vs Waukesha VGF P48GSI

The MAN E 3872 LE201 and Waukesha VGF P48GSI are both natural gas generator engines in a similar power class. The Waukesha VGF P48GSI is the higher-output unit (938 kVA vs 883 kVA). Displacement is 29.6 L versus 48 L. The table below compares their full specifications side by side.

SpecificationMAN E 3872 LE201Waukesha VGF P48GSI
Headline rating883 kVA938 kVA
Standby (50 Hz)
Prime (50 Hz)706 kWe
Standby (60 Hz)
Prime (60 Hz)750 kWe
Displacement29.6 L48 L
ConfigurationV12V16
Cylinders1216
Rated speed1,500 RPM1,800 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedUnregulated
Dry weight
OriginGermanyUnited States

Choosing between MAN E 3872 LE201 and Waukesha VGF P48GSI

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 Waukesha VGF P48GSI has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.