Haifeng Machinery

Daihatsu 6DK-36e vs Kohler KD103V20

The Daihatsu 6DK-36e and Kohler KD103V20 are both diesel generator engines in a similar power class. Both are rated at roughly 4,300 kVA. Displacement is 293 L versus 103.4 L. The table below compares their full specifications side by side.

SpecificationDaihatsu 6DK-36eKohler KD103V20
Headline rating4,225 kVA4,375 kVA
Standby (50 Hz)3,380 kWe3,500 kWe
Prime (50 Hz)3,109.6 kWe3,180 kWe
Standby (60 Hz)4,000 kWe
Prime (60 Hz)3,640 kWe
Displacement293 L103.4 L
ConfigurationL6V20
Cylinders620
Rated speed600 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedU.S. EPA Tier 2
Dry weight
OriginJapanFrance

Choosing between Daihatsu 6DK-36e and Kohler KD103V20

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 Kohler KD103V20 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.