Haifeng Machinery

Ashok Leyland ALGP 402 vs SDEC 4HT4.3-G21

The Ashok Leyland ALGP 402 and SDEC 4HT4.3-G21 are both diesel generator engines in a similar power class. Both are rated at roughly 63 kVA. Displacement is 6.54 L versus 4.3 L. The table below compares their full specifications side by side.

SpecificationAshok Leyland ALGP 402SDEC 4HT4.3-G21
Headline rating63 kVA63 kVA
Standby (50 Hz)50 kWe
Prime (50 Hz)50 kWe46 kWe
Standby (60 Hz)61 kWe
Prime (60 Hz)56 kWe
Displacement6.54 L4.3 L
ConfigurationL6L4
Cylinders64
Rated speed1,500 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedChina National Stage III / Unregulated
Dry weight
OriginIndiaChina

Choosing between Ashok Leyland ALGP 402 and SDEC 4HT4.3-G21

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.