The Generator EngineEncyclopedia

Cummins C36N6 vs Yanmar CP35D1 Gas Engine

The Cummins C36N6 and Yanmar CP35D1 Gas Engine are both natural gas generator engines in a similar power class. Both are rated at roughly 45 kVA. Displacement is 2.4 L versus 3.3 L. The table below compares their full specifications side by side.

SpecificationCummins C36N6Yanmar CP35D1 Gas Engine
Headline rating45 kVA44 kVA
Standby (50 Hz)
Prime (50 Hz)
Standby (60 Hz)36 kWe
Prime (60 Hz)35 kWe
Displacement2.4 L3.3 L
ConfigurationL4L4
Cylinders44
Rated speed1,800 RPM1,800 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA StationaryU.S. EPA Stationary
Dry weight
OriginUnited StatesJapan

Choosing between Cummins C36N6 and Yanmar CP35D1 Gas Engine

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 Cummins C36N6 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.