Haifeng Machinery

Guascor G-56SM vs MTU 8V4000 GS

The Guascor G-56SM and MTU 8V4000 GS are both natural gas generator engines in a similar power class. Both are rated at roughly 1,273 kVA. Displacement is 56.3 L versus 38.2 L. The table below compares their full specifications side by side.

SpecificationGuascor G-56SMMTU 8V4000 GS
Headline rating1,281 kVA1,265 kVA
Standby (50 Hz)——
Prime (50 Hz)1,025 kWe1,012 kWe
Standby (60 Hz)——
Prime (60 Hz)1,065 kWe—
Displacement56.3 L38.2 L
ConfigurationV16V8
Cylinders168
Rated speed1,500 / 1,800 RPM1,500 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedUnregulated
Dry weight——
OriginSpainGermany

Choosing between Guascor G-56SM and MTU 8V4000 GS

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 Guascor G-56SM has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.