Haifeng Machinery

Weichai WP2.3D41E201 vs Yanmar 4TNV98T-GGE

The Weichai WP2.3D41E201 and Yanmar 4TNV98T-GGE are both diesel generator engines in a similar power class. Both are rated at roughly 47 kVA. Displacement is 2.3 L versus 3.119 L. The table below compares their full specifications side by side.

SpecificationWeichai WP2.3D41E201Yanmar 4TNV98T-GGE
Headline rating46 kVA47 kVA
Standby (50 Hz)37.3 kWe
Prime (50 Hz)
Standby (60 Hz)37 kWe45.1 kWe
Prime (60 Hz)33 kWe
Displacement2.3 L3.119 L
ConfigurationL4L4
Cylinders44
Rated speed1,800 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsChina National Stage II / UnregulatedU.S. EPA Tier 2
Dry weight
OriginChinaJapan

Choosing between Weichai WP2.3D41E201 and Yanmar 4TNV98T-GGE

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 Yanmar 4TNV98T-GGE has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.