Haifeng Machinery

Perkins 1706J-E93TAG2 vs Yuchai YC6MK420-D30

The Perkins 1706J-E93TAG2 and Yuchai YC6MK420-D30 are both diesel generator engines in a similar power class. Both are rated at roughly 344 kVA. Displacement is 9.3 L versus 10.338 L. The table below compares their full specifications side by side.

SpecificationPerkins 1706J-E93TAG2Yuchai YC6MK420-D30
Headline rating344 kVA344 kVA
Standby (50 Hz)275 kWe275 kWe
Prime (50 Hz)249 kWe250 kWe
Standby (60 Hz)296 kWe
Prime (60 Hz)267 kWe
Displacement9.3 L10.338 L
ConfigurationL6L6
Cylinders66
Rated speed1,500 / 1,800 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsEuro Stage V / U.S. EPA Final Tier 4China National Stage III / Unregulated
Dry weight
OriginUnited KingdomChina

Choosing between Perkins 1706J-E93TAG2 and Yuchai YC6MK420-D30

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.