Haifeng Machinery

John Deere 3029HFG89 vs Yanmar 4TNV98CT-IYE

The John Deere 3029HFG89 and Yanmar 4TNV98CT-IYE are both diesel generator engines in a similar power class. Both are rated at roughly 49 kVA. Displacement is 2.9 L versus 3.119 L. The table below compares their full specifications side by side.

SpecificationJohn Deere 3029HFG89Yanmar 4TNV98CT-IYE
Headline rating49 kVA49 kVA
Standby (50 Hz)39.3 kWe
Prime (50 Hz)
Standby (60 Hz)39 kWe
Prime (60 Hz)35 kWe
Displacement2.9 L3.119 L
ConfigurationL3L4
Cylinders34
Rated speed1,800 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA Tier 3Euro Stage V
Dry weight
OriginUnited StatesJapan

Choosing between John Deere 3029HFG89 and Yanmar 4TNV98CT-IYE

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.