The Generator EngineEncyclopedia

Caterpillar C9 vs Perkins 1706D-E93TAG1

The Caterpillar C9 and Perkins 1706D-E93TAG1 are both diesel generator engines in a similar power class. Both are rated at roughly 328 kVA. Displacement is 8.8 L versus 9.3 L. The table below compares their full specifications side by side.

SpecificationCaterpillar C9Perkins 1706D-E93TAG1
Headline rating330 kVA326 kVA
Standby (50 Hz)264 kWe
Prime (50 Hz)240 kWe
Standby (60 Hz)300 kWe261 kWe
Prime (60 Hz)270 kWe237 kWe
Displacement8.8 L9.3 L
ConfigurationL6L6
Cylinders66
Rated speed1,500 / 1,800 RPM1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA Tier 3U.S. EPA Tier 3
Dry weight
OriginUSAUnited States