Haifeng Machinery

Ashok Leyland H4G4DE100 vs Cummins QSB5G4

The Ashok Leyland H4G4DE100 and Cummins QSB5G4 are both diesel generator engines in a similar power class. Both are rated at roughly 100 kVA. Displacement is 5 L versus 4.5 L. The table below compares their full specifications side by side.

SpecificationAshok Leyland H4G4DE100Cummins QSB5G4
Headline rating100 kVA100 kVA
Standby (50 Hz)80 kWe80 kWe
Prime (50 Hz)72 kWe73 kWe
Standby (60 Hz)90 kWe
Prime (60 Hz)82 kWe
Displacement5 L4.5 L
ConfigurationL4L4
Cylinders44
Rated speed1,500 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedU.S. EPA Tier 3 / EU Stage IIIA / China III
Dry weight
OriginIndiaUnited States / United Kingdom

Choosing between Ashok Leyland H4G4DE100 and Cummins QSB5G4

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.