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Cummins 4BT3.9-G2 vs Xinchai 4N28ZD

The Cummins 4BT3.9-G2 and Xinchai 4N28ZD are both diesel generator engines in a similar power class. Both are rated at roughly 50 kVA. Displacement is 3.9 L versus 2.8 L. The table below compares their full specifications side by side.

SpecificationCummins 4BT3.9-G2Xinchai 4N28ZD
Headline rating50 kVA50 kVA
Standby (50 Hz)40 kWe40 kWe
Prime (50 Hz)32 kWe35 kWe
Standby (60 Hz)45 kWe41 kWe
Prime (60 Hz)36 kWe38 kWe
Displacement3.9 L2.8 L
ConfigurationL4L4
Cylinders44
Rated speed1,500 / 1,800 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedUnregulated
Dry weight——
OriginChinaChina
Cummins 4BT3.9-G2 full specs →Xinchai 4N28ZD full specs →

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