Haifeng Machinery

John Deere 4045HF285 vs Yunnei DEF47CFA3

The John Deere 4045HF285 and Yunnei DEF47CFA3 are both diesel generator engines in a similar power class. Both are rated at roughly 102 kVA. Displacement is 4.5 L versus 4.7 L. The table below compares their full specifications side by side.

SpecificationJohn Deere 4045HF285Yunnei DEF47CFA3
Headline rating103 kVA101 kVA
Standby (50 Hz)
Prime (50 Hz)81 kWe
Standby (60 Hz)82 kWe
Prime (60 Hz)74 kWe
Displacement4.5 L4.7 L
ConfigurationL4L4
Cylinders44
Rated speed1,800 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA Tier 3Euro Stage IIIA
Dry weight
OriginUnited StatesChina

Choosing between John Deere 4045HF285 and Yunnei DEF47CFA3

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 4045HF285 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.