The Generator EngineEncyclopedia

John Deere 6090HFG85 vs SDEC 6DTAA8.9-G5E4.1

The John Deere 6090HFG85 and SDEC 6DTAA8.9-G5E4.1 are both diesel generator engines in a similar power class. Both are rated at roughly 347 kVA. Displacement is 9 L versus 8.9 L. The table below compares their full specifications side by side.

SpecificationJohn Deere 6090HFG85SDEC 6DTAA8.9-G5E4.1
Headline rating348 kVA346 kVA
Standby (50 Hz)
Prime (50 Hz)
Standby (60 Hz)278 kWe277 kWe
Prime (60 Hz)252 kWe252 kWe
Displacement9 L8.9 L
ConfigurationL6L6
Cylinders66
Rated speed1,800 RPM1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA Tier 3Euro Stage V
Dry weight
OriginUnited StatesChina