Haifeng Machinery

Cummins B6.7G17 vs John Deere 6068HFG20

The Cummins B6.7G17 and John Deere 6068HFG20 are both diesel generator engines in a similar power class. Both are rated at roughly 171 kVA. Displacement is 6.7 L versus 6.8 L. The table below compares their full specifications side by side.

SpecificationCummins B6.7G17John Deere 6068HFG20
Headline rating171 kVA171 kVA
Standby (50 Hz)137 kWe137 kWe
Prime (50 Hz)124 kWe125 kWe
Standby (60 Hz)155 kWe143 kWe
Prime (60 Hz)141 kWe130 kWe
Displacement6.7 L6.8 L
ConfigurationL6L6
Cylinders66
Rated speed1,500 / 1,800 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA Final Tier 4 / EU Stage VUnregulated
Dry weight
OriginUnited States / United KingdomUnited States

Choosing between Cummins B6.7G17 and John Deere 6068HFG20

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.