Haifeng Machinery

John Deere 6090HFG84 vs Volvo Penta TAD842GE

The John Deere 6090HFG84 and Volvo Penta TAD842GE are both diesel generator engines in a similar power class. Both are rated at roughly 335 kVA. Displacement is 9 L versus 7.7 L. The table below compares their full specifications side by side.

SpecificationJohn Deere 6090HFG84Volvo Penta TAD842GE
Headline rating336 kVA334 kVA
Standby (50 Hz)269 kWe267 kWe
Prime (50 Hz)243 kWe243 kWe
Standby (60 Hz)278 kWe267 kWe
Prime (60 Hz)252 kWe243 kWe
Displacement9 L7.7 L
ConfigurationL6L6
Cylinders66
Rated speed1,500 / 1,800 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsEuro Stage IIIA / U.S. EPA Tier 3Euro Stage II / U.S. EPA Tier 2
Dry weight
OriginUnited StatesIndia

Choosing between John Deere 6090HFG84 and Volvo Penta TAD842GE

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 John Deere 6090HFG84 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.