The Generator EngineEncyclopedia

Arrow A54E vs Cummins C45N6

The Arrow A54E and Cummins C45N6 are both natural gas generator engines in a similar power class. The Arrow A54E is the higher-output unit (60 kVA vs 56 kVA). Displacement is 5.4 L versus 5.9 L. The table below compares their full specifications side by side.

SpecificationArrow A54ECummins C45N6
Headline rating60 kVA56 kVA
Standby (50 Hz)
Prime (50 Hz)
Standby (60 Hz)48 kWe45 kWe
Prime (60 Hz)43 kWe
Displacement5.4 L5.9 L
ConfigurationL6L6
Cylinders66
Rated speed1,800 RPM1,800 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA StationaryU.S. EPA Stationary
Dry weight
OriginUnited StatesUnited States

Choosing between Arrow A54E and Cummins C45N6

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 Arrow A54E has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.