Haifeng Machinery

Isuzu 6UZ1X vs Perkins 1506AE88TAG3

The Isuzu 6UZ1X and Perkins 1506AE88TAG3 are both diesel generator engines in a similar power class. Both are rated at roughly 283 kVA. Displacement is 9.839 L versus 8.8 L. The table below compares their full specifications side by side.

SpecificationIsuzu 6UZ1XPerkins 1506AE88TAG3
Headline rating282 kVA283 kVA
Standby (50 Hz)225.7 kWe226 kWe
Prime (50 Hz)205.2 kWe206 kWe
Standby (60 Hz)257.4 kWe256 kWe
Prime (60 Hz)234 kWe232 kWe
Displacement9.839 L8.8 L
ConfigurationL6L6
Cylinders66
Rated speed1,500 / 1,800 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsEuro Stage IIIA / U.S. EPA Tier 3Unregulated
Dry weight
OriginJapanUnited States

Choosing between Isuzu 6UZ1X and Perkins 1506AE88TAG3

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 Perkins 1506AE88TAG3 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.