Haifeng Machinery

Caterpillar CG170B-12 vs Waukesha VHP L7044GSI

The Caterpillar CG170B-12 and Waukesha VHP L7044GSI are both natural gas generator engines in a similar power class. Both are rated at roughly 1,712 kVA. Displacement is 53.1 L versus 115.4 L. The table below compares their full specifications side by side.

SpecificationCaterpillar CG170B-12Waukesha VHP L7044GSI
Headline rating1,725 kVA1,699 kVA
Standby (50 Hz)——
Prime (50 Hz)1,380 kWe—
Standby (60 Hz)——
Prime (60 Hz)—1,359 kWe
Displacement53.1 L115.4 L
ConfigurationV12V12
Cylinders1212
Rated speed1,500 RPM1,440 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedUnregulated
Dry weight——
OriginGermanyUnited States

Choosing between Caterpillar CG170B-12 and Waukesha VHP L7044GSI

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 Caterpillar CG170B-12 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.